CN107198822B - Sterilizing cap - Google Patents

Sterilizing cap Download PDF

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Publication number
CN107198822B
CN107198822B CN201610148468.4A CN201610148468A CN107198822B CN 107198822 B CN107198822 B CN 107198822B CN 201610148468 A CN201610148468 A CN 201610148468A CN 107198822 B CN107198822 B CN 107198822B
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CN
China
Prior art keywords
cap body
cap
barrier film
disinfectant
disinfection
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CN201610148468.4A
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Chinese (zh)
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CN107198822A (en
Inventor
董东生
王茹
杨东方
张琳琳
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Beijing Winsunny Harmony Science And Technology Co ltd
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Beijing Winsunny Harmony Science And Technology Co ltd
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Priority to CN201610148468.4A priority Critical patent/CN107198822B/en
Publication of CN107198822A publication Critical patent/CN107198822A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/20—Closure caps or plugs for connectors or open ends of tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention provides a disinfection cap, which comprises a cap body and a sealing part, wherein the cap body comprises a cap body connecting port, a cap body bottom and a cap body side wall, the cap body bottom and the cap body side wall jointly enclose a cap body inner cavity, the cap body inner cavity stores a volatile disinfectant, the sealing part seals the cap body connecting port to prevent the disinfectant in the cap body inner cavity from volatilizing, and in order to solve the technical problem that the disinfectant flows out of the cap body inner cavity in use, an iris-shaped barrier film is arranged at the cap body connecting port and provided with a through hole for allowing a medical connector to pass through, and when the cap body is inclined to the horizontal direction, the barrier film prevents the disinfectant from flowing out of the cap body inner cavity.

Description

Sterilizing cap
Technical Field
The invention relates to a disinfection cap, which is mainly used for disinfecting medical joints and belongs to the technical field of medical appliances.
Background
In clinic, medical connectors for infusion, blood transfusion, and intravascular imaging are often left and used multiple times to facilitate the infusion of different types of drugs into the human blood circulation system. However, existing medical connectors are not typically equipped with protective caps and are exposed to hospital contaminated air when the medical connector is in a non-connected state, causing contamination of the medical connector. At present, the conventional disinfection mode for medical joints is repeated disinfection by using iodophor or alcohol cotton balls, but the mode not only increases the workload of nursing staff, but also has the hidden trouble of incomplete disinfection and secondary pollution.
In order to solve the problems in the prior art, chinese patent CN 200820006083.5 discloses a luer connector protective cap which comprises a cap body and a disinfection plug adsorbed with volatile disinfectant, wherein the disinfection plug is arranged in a cavity of the cap body and is composed of sponge. When in use, the protective cap is sleeved on the medical connector in a rotating way, and the disinfectant in the disinfection plug volatilizes, so that microorganisms such as bacteria in the medical connector are killed, and the technical effect of disinfection is achieved. The protective cap has a plurality of technical problems in the use process: firstly, when the protective cap is inclined to the horizontal direction, disinfectant is easy to flow out of the inner cavity of the cap body, so that the use is inconvenient; secondly, the disinfection plug of the protective cap is composed of sponge with an adsorption function, fine fragments are easy to generate, the disinfectant remained on the surface of the medical connector is difficult to volatilize completely in the use process, and when the disinfectant remained on the surface of the medical connector and the sponge fragments enter a human blood circulation system through the medical connector, serious medical risks are brought; in addition, the microorganism attached to the outside of the connector of the protective cap is very easy to drop on the surface of the medical connector, so that secondary pollution of the medical connector is caused.
In summary, the conventional disinfection cap cannot perform the task of disinfecting the medical connector, and serious medical risks are brought. For this reason, medical instrument developers need to develop a safe and reliable medical joint sterilizing apparatus.
Disclosure of Invention
The invention provides a safe and reliable medical connector disinfection cap which not only can disinfect a medical connector, but also solves the technical problem of lower safety of the traditional disinfection cap.
The invention aims to provide a disinfection cap for disinfecting a medical connector, which comprises a cap body and a sealing part, wherein the cap body comprises a cap body connecting port, the bottom of the cap body and the side wall of the cap body, the cap body connecting port comprises the inner edge of the cap body connecting port, a cavity formed by the bottom of the cap body and the side wall of the cap body in a surrounding mode is a cap body inner cavity, the cap body inner cavity stores volatile disinfectant, the sealing part seals the cap body connecting port, the cap body inner cavity is prevented from being contacted with the outside, the disinfection cap further comprises a blocking film, the blocking film comprises a blocking film outer edge, the blocking film is integrally in the shape of an iris of a human eye and is positioned at the cap body connecting port, the blocking film outer edge is connected with the inner edge of the cap body connecting port, a through hole allowing the medical connector to pass is formed in the center of the blocking film, and when the cap body is inclined horizontally, the blocking film prevents the disinfectant from flowing out of the cap body inner cavity.
The iris of the human eye is a part of the eye structure, the center of the iris is provided with a circular opening, which is called a pupil, as if the iris of the human eye is adjustable in size in a camera, and the shape of the barrier film is as if the iris of the human eye is. The medical connector comprises a clinical breathing connector, an indwelling needle connector, an infusion connector, a hose connector, a hard tube connector, a monitoring instrument connector, a luer connector and the like, and the outer diameter of the connector is 1-30 mm. The cap body is made of medical grade plastic material by injection molding, and is in a hollow cup shape with an opening at the upper end; the barrier film is vulcanized by medical grade rubber materials or injection molded by medical grade thermoplastic elastomer materials. The whole separation membrane extends to the cap body central direction, minimum distance is greater than or equal to 1mm between separation membrane through-hole peripheral edge and the cap body connector inner edge, and when the cap body to horizontal direction inclination be between 0 to 90, the separation membrane can effectively prevent disinfectant from flowing out from the cap body inner chamber. The diameter of the through hole arranged in the center of the barrier film is not smaller than 2 mm, and the larger diameter of the through hole is beneficial to the disinfectant on the barrier film to flow into the inner cavity of the cap body through the through hole, and is beneficial to the medical connector to pass through the through hole and enter the inner cavity of the cap body. The sealing part can be an easily torn film made of medical grade composite materials, is sealed at the top end of the cap body connecting port by adopting a heat sealing process or a magnetic induction welding process, and can also be a part made of medical grade plastic materials by injection molding or medical grade rubber materials by vulcanization, and is in sealing connection with the cap body connecting port. When the medical cap is used, the sealing part is firstly removed, the medical connector is held by one hand, the cap body is held by the other hand, the medical connector is inserted into the inner cavity of the cap body through the through hole and is soaked in the disinfectant, and the disinfectant is utilized to sterilize the surface of the medical connector. At this time, if the cap body is held to the horizontal direction slope, inclination is between 0 degrees to 90 degrees, can be more smooth insert the cap body inner chamber with medical joint through the through-hole, for making the disinfectant unable follow the internal chamber of cap outflow, above-mentioned barrier film stops the disinfectant at cap body connector department and passes through, prevents that the disinfectant from flowing out from the internal chamber of cap.
The thickness of the barrier film is gradually decreased from the outer edge of the barrier film to the central direction, the protruding portion of the barrier film in the central direction of the cap body is a portion easy to deform, when the portion easy to deform is extruded by the medical connector, the portion easy to deform is bent in the bottom direction of the cap body, and when the medical connector is pulled away from the inner cavity of the cap body, the portion easy to deform is bent in the opposite direction of the bottom of the cap body. The thickness of the outer edge of the barrier film is thicker than that of the central position of the barrier film, and the thicker outer edge of the barrier film can support the whole barrier film to prevent the disinfectant from passing through the cap body connecting port, and the barrier film at the central position is thinner, so that the medical connector can be smoothly inserted into the inner cavity of the cap body through the through hole. The thickness of the barrier film is gradually decreased from the outer edge of the barrier film to the center direction, so that the whole barrier film has good restorability. When the medical connector is pulled out from the inner cavity of the cap body through the through hole, the easy-to-deform part is elastically restored to the original state by itself, and the average wall thickness of the easy-to-deform part is smaller than that of the barrier film, so that the easy-to-deform part is facilitated to recover to the state of extending towards the center direction of the cap body, and the disinfectant is prevented from flowing out of the inner cavity of the cap body. When the medical connector is pulled out from the inner cavity of the cap body, but the medical connector and the cap body are not separated, the lower surface of the barrier film is attached to the surface of the medical connector, so that microorganisms attached to the outer part of the connecting port of the cap body are effectively prevented from falling on the surface of the medical connector.
The barrier film is provided with at least one tearing line along the radial direction of the cap body connecting port, and when the medical connector enters the inner cavity of the cap body through the through hole, the barrier film is cracked along the tearing line. The tearing line is radially distributed in a ring shape around the center of the cap body, the tearing line can be a plurality of round holes or rectangular holes penetrating through the blocking film, the round holes or rectangular holes are connected to form a line shape, when the medical connector enters the inner cavity of the cap body through the through hole, the blocking film is extruded by the medical connector to be cracked along the tearing line formed by the round holes or the rectangular holes, the tearing line divides the blocking film into a plurality of pieces, and the medical connector is convenient to enter the inner cavity of the cap body, so that the entering resistance is reduced. Of course, the tearing line can also be a plurality of special-shaped depressions which do not penetrate through the barrier film, the special-shaped depressions are connected to form a line, and the barrier film is extruded by the medical connector to be cracked along the tearing line formed by the special-shaped depressions.
The barrier film is provided with at least one weak area along the radial direction of the cap body connecting port, the wall thickness of the weak area is smaller than the average wall thickness of the barrier film, and when the medical connector enters the cap body, the weak area of the barrier film is expanded. The area covered by the weak area is gradually widened from the outer edge of the barrier film to the central direction, and the wall thickness of the weak area is smaller than the average wall thickness of the barrier film, so that the weak area is easier to deform, a medical connector can conveniently enter the inner cavity of the cap body, and the entering resistance is reduced. Specifically, when the medical connector squeezes the pressure-resistant diaphragm and needs to enter the inner cavity of the cap body, the weak area is deformed first, so that the medical connector passes through the through hole and enters the inner cavity of the cap body.
The barrier film is composed of a plurality of films which are distributed around the inner edge of the cap body connecting port. The barrier film is formed by a plurality of films which are evenly distributed around the inner edge of the cap body connecting port in a ring shape and are integrally in the shape of the iris of the human eye, when the medical connector enters the inner cavity of the cap body through the through hole, the barrier film formed by the films is easily separated, and the resistance encountered when the medical connector enters the inner cavity of the cap body is reduced.
A gap is arranged between two adjacent diaphragms of the barrier film, and the gap is not more than 1mm. When the barrier film is composed of a plurality of films, a gap can be arranged between the two films, the gap is favorable for reducing the resistance encountered when the medical connector enters the inner cavity of the cap body, but too large gap can overflow the disinfectant from the gap, and the effect of the barrier film in preventing the disinfectant from flowing out of the inner cavity of the cap body is lost. Therefore, the gap is generally not more than 1mm, when the cap body is inclined to the horizontal direction, the disinfectant in the inner cavity of the cap body cannot overflow from the gap between the two diaphragms, at the moment, the surface tension of the disinfectant, the supporting force of the barrier film on the disinfectant, the supporting force of the cap body on the disinfectant, the adhesive force between the disinfectant and the barrier film and the adhesive force between the disinfectant and the cap body are greater than or equal to the gravity of the disinfectant, and the resultant force of the five forces is in a balanced state.
The edge parts of two adjacent films of the barrier film are mutually overlapped, the overlapped parts of the films are mutually attached, and when the cap body is inclined to the horizontal direction, the films prevent disinfectant from flowing out of the inner cavity of the cap body. The edge parts of the adjacent films of the barrier film are overlapped with each other, one film presses the other film, or one film presses the two adjacent films, when the inclination angle of the cap body to the horizontal direction is between 0 and 90 degrees, the disinfectant flows to the direction of the barrier film due to gravity, and the overlapped parts of the two adjacent films are pressed and attached tightly by the gravity of the disinfectant, so that the barrier film formed by the films stably prevents the disinfectant from flowing out of the inner cavity of the cap body.
The barrier film comprises a barrier film inner edge which extends towards the bottom of the cap body and is integrally funnel-shaped, so that disinfectant on the upper surface of the barrier film can flow into the inner cavity of the cap body. The funnel-shaped barrier film is beneficial to preventing the disinfectant from flowing out of the inner cavity of the cap body on one hand, and on the other hand, when the disinfectant is poured into the inner cavity of the cap body or the disinfectant is positioned on the upper surface of the barrier film too much, the cap body is erected, and the funnel-shaped barrier film is beneficial to the disinfectant flowing back to the inner cavity of the cap body through the through hole.
The cap body is provided with at least one communication port for communicating the inner cavity of the cap body with the outside, and the communication port is provided with a breathable film which is breathable and impermeable to liquid. The breathable film can be connected with the communication port by adopting a medical-grade adhesive, can also be connected with the communication port by adopting a welding process, and can be fixedly pressed on the communication port by adopting another part. When the medical connector is specifically used, the medical connector enters the inner cavity of the cap body through the through hole and is soaked in the disinfectant in the inner cavity of the cap body, the disinfectant disinfects and sterilizes the medical connector, so that the disinfectant excessively remains on the medical connector, the disinfectant volatilizes to the outside through the ventilation membrane in a communication port in a steam mode when the disinfectant is disinfected and sterilized on the medical connector, and when the disinfectant finally volatilizes completely, the medical connector is in a sterile and dry environment, and the disinfection cap completes the task of disinfecting the medical connector. The breathable film can prevent residual disinfectant from entering the human body blood circulation system through the medical connector, and the most important use safety of the disinfection cap is realized.
The disinfection cap further comprises a protection part, the protection part is hollow tubular in the opening at two ends and is positioned outside the breathable film, the protection part is used for protecting the breathable film and preventing the breathable film from being damaged, the protection part can be an outwards extending cap body and can be an independent part, the top end of the part is fixedly connected with the cap body, a meshed interlayer can be further arranged at the bottom end of the part, and the interlayer protects the breathable film and prevents the breathable film from being damaged.
The outside of the breathable film is provided with a sealing part for sealing the breathable film to the outside, and the sealing part prevents the inner cavity of the cap body from being communicated with the outside through the breathable film through the communication opening. The sealing component is an easy-tearing film made of medical grade composite materials, and is sealed on a communication port outside the breathable film by adopting a heat sealing process or a magnetic induction welding process, or is sealed at the bottom end of the protecting component, in particular to the sealing component which is sealed outside the breathable film, so that the sealing component cannot pass through disinfectant steam. Before the disinfection cap is not used, the disinfectant in the inner cavity of the cap body cannot volatilize through the breathable film of the communication port. Of course, the sealing component can also be made of medical grade plastic material by injection molding or medical grade rubber material by vulcanization, and is in sealing connection with a communication port outside the ventilation membrane or in sealing connection with the bottom end of the protection component.
The sealing component is provided with a frangible part, and the sealing component is broken along the frangible part after being stressed, so that the inner cavity of the cap body is communicated with the outside through the communication opening and the breathable film. The easy-to-fold part is formed by thinning the local wall thickness of the sealing part, the sealing part can be broken by slightly applying force to the hand, so that the inner cavity of the cap body is communicated with the outside through the communication opening and the ventilation film, the easy-to-fold part can be convenient for medical staff to use the disinfection cap, and the easy-to-fold part has simple structure and lower processing cost.
The disinfection cap also comprises a sealing gasket, wherein the sealing gasket comprises a sealing gasket outer edge and a sealing gasket inner edge, the sealing gasket is in a hollow ring shape and is positioned at the cap body connecting port, and the sealing gasket inner edge is in sealing contact with the surface of the medical connector.
The cap body is provided with a containing groove for containing the sealing gasket, the containing groove comprises an inner surface of the containing groove, and the outer edge of the sealing gasket is in sealing contact with the inner surface of the containing groove. The sealing gasket is fixed in the accommodating groove in a conformal sealing way, and in order to strengthen the sealing performance between the sealing gasket and the accommodating groove, an annular bulge is further arranged on the surface, which is in contact with the sealing gasket, of the accommodating groove, and the annular bulge is inserted into the sealing gasket to be in interference sealing fit with the sealing gasket. When the medical connector enters the inner cavity of the cap body, the inner edge of the sealing gasket is in sealing contact with the surface of the medical connector, so that the disinfectant in the inner cavity of the cap body is prevented from flowing out from between the inner edge of the sealing gasket and the medical connector.
The accommodating groove is an annular groove formed by inwards recessing the inner surface of the side wall of the cap body. The accommodating groove is formed in the inner surface of the side wall of the cap body and is formed by an annular recess in the inner surface of the side wall of the cap body, and the sealing gasket is clamped into the accommodating groove to form sealing fit between the accommodating groove and the sealing gasket.
The containing groove is an annular groove formed by inwards sinking the upper end face of the cap body. The accommodating groove is formed in the upper end face of the cap body in an annular concave manner from the upper end face of the cap body to the bottom of the cap body, and the sealing gasket is located in the accommodating groove.
The disinfection cap further comprises a fixing part, the fixing part is positioned at the cap body connecting port, and the fixing part fixedly compresses at least a part of the sealing gasket inside the accommodating groove to prevent the sealing gasket from falling out of the inner cavity of the cap body. When the sealing gasket is positioned in the accommodating groove on the upper end surface of the cap body, the fixing part is required to press the sealing gasket, so that the sealing gasket is prevented from falling off. Specifically, when the medical connector enters and exits the inner cavity of the cap body of the disinfection cap, external force for driving the sealing gasket to move up and down is generated, and the fixing part is arranged to help fix the sealing gasket and prevent the sealing gasket from falling off.
The blocking film and the sealing gasket are connected into a whole, and the inner edge surface of the sealing gasket extends towards the center direction of the inner cavity of the cap body. The separation membrane and the sealing gasket are integrally molded or vulcanized, and the connection is beneficial to reducing procedures in the manufacturing process of the product and reducing the manufacturing cost of the product.
The upper surface of the barrier film and/or the inner edge surface of the sealing gasket are provided with a plurality of micro-protrusions and/or micro-depressions, and the micro-protrusions and/or micro-depressions increase the area of the disinfectant attached to the upper surface of the barrier film and/or the inner edge surface of the sealing gasket. The disinfectant is adhered to the outer surface of the miniature bulge or the inner surface of the miniature recess, and has a disinfecting and sterilizing effect on the upper surface of the barrier film or the inner edge surface of the sealing gasket.
The cap body side wall comprises a cap body side wall inner surface, and an inner thread which is connected with the external thread of the medical connector in a matching way is arranged on the cap body side wall inner surface. The internal thread is a part of the side wall of the cap body protruding outwards, is continuous or discontinuous, and can enable the connection between the disinfection cap and the medical connector to be more compact and reliable by adopting threaded fit.
The medical connector is characterized in that a separation part is arranged in the inner cavity of the cap body and extends towards the center direction of the cap body, the separation part separates the inner cavity of the cap body into an upper cavity of the cap body and a lower cavity of the cap body, the upper cavity of the cap body stores volatile disinfectant, the lower cavity of the cap body is communicated with the outside through a breathable film on a communication port, the separation part is provided with a weak connection part, and when the medical connector is screwed into the inner cavity of the cap body, the weak connection part of the separation part is extruded and broken by external force, and the upper cavity of the cap body is communicated with the lower cavity of the cap body. The weak connection part is formed by thinning the local wall thickness of the separation part, the separation part prevents the disinfectant from directly contacting with the breathable film, the ventilation property of the breathable film is affected, and the disinfectant pre-filled in the inner cavity of the cap body before use is prevented from volatilizing through the breathable film through the communication opening. When the medical connector is screwed into the inner cavity of the cap body through the through hole, the separation part is extruded by the medical connector to be broken along the weak connection part, and at the moment, the disinfectant flows into the lower cavity of the cap body from the upper cavity of the cap body, and the disinfectant can volatilize through the ventilation film through the communication port.
The separation part is inclined, and one end of the separation part, which is close to the cap body connecting port, is provided with a weak connecting part. Because of the limitation of the length of the medical connector, when the medical connector is screwed into the inner cavity of the cap body through the through hole, one end of the separation part, which is close to the cap body connecting port, is extruded by the medical connector and is broken along the weak connecting part, while one end of the separation part, which is far away from the cap body connecting port, is not extruded by the medical connector and is connected with the inner surface of the side wall of the cap body well.
The separation part is provided with a protrusion protruding towards the direction of the cap body connection port, and a weak connection part is arranged at the connection position of the protrusion and the separation part. Also because of the limitation of the length of the medical connector, the distance between the medical connector and the separation part is shortened by the protrusion of the separation part, when the medical connector is screwed into the inner cavity of the cap body through the through hole, the protrusion is extruded by the medical connector and is broken along the weak connecting part, and the separation part is extruded by the medical connector conveniently due to the structural design.
The separation part bulge is in a hollow cup shape with an opening at the top end and protrudes towards the direction of the cap body connecting port, and the hollow inside of the bulge increases the storage capacity of the cap body inner cavity for disinfectant. The cup-shaped partition member projections further increase the storage capacity of the disinfectant.
The cap body lateral wall and/or cap body bottom extend to cap body central direction has the stock solution protruding, and this stock solution protruding includes stock solution protruding surface, be equipped with the stock solution slot between stock solution protruding surface and cap body lateral wall internal surface, the cap body bottom internal surface, the stock solution slot stores the easy volatile disinfectant, and when the cap body was inclined to the horizontal direction, the stock solution slot prevented disinfectant from flowing from the internal chamber of cap, and the surface tension of disinfectant self this moment, adhesive force between disinfectant and the stock solution slot, adhesive force between disinfectant and the cap body, the resultant force of three power is greater than or equal to disinfectant self gravity. The liquid storage protrusion is formed by protruding part of the inner surface of the side wall of the cap body or the inner surface of the bottom of the cap body to the inner cavity of the cap body, and can be formed by adopting a concave way. The gap between the outer surface of the liquid storage bulge and the inner surface of the side wall of the cap body and the inner surface of the bottom of the cap body is a liquid storage groove, the disinfectant is located inside the liquid storage groove, the smaller the gap of the liquid storage groove is, the more favorable for storing the disinfectant, of course, the distance is kept in a range capable of storing the disinfectant, and when the cap body is inclined to the horizontal direction, the liquid storage groove effectively prevents the disinfectant from flowing out of the inner cavity of the cap body.
The width of the liquid storage groove is not more than 0.8mm, and the liquid storage grooves are communicated with each other. When disinfectant is poured into the liquid storage grooves, connectivity among the liquid storage grooves enables the disinfectant to diffuse into each liquid storage groove, and production efficiency is improved.
The technical effects are as follows:
the cap body of the disinfection cap utilizes the structural design of the barrier film to effectively prevent the disinfectant from flowing out of the inner cavity of the cap body, replaces the function of sponge in the prior art, avoids sponge fragments from entering the blood circulation system of a human body through the medical connector, and eliminates serious medical risks caused by the fragments; on the other hand, when the medical connector is pulled out from the inside of the disinfection cap, the barrier film is coated on the surface of the medical connector and is slowly conveyed to the medical connector to be completely separated from the disinfection cap, so that microorganisms attached to the outside of the cap body connector can be prevented from falling on the surface of the medical connector, and the disinfection and sterilization effects of the disinfection cap are ensured.
Because the disinfectant can produce serious medical risk through medical joint entering human blood circulation system, so be equipped with ventilative impermeable ventilated membrane structure on the cap body of disinfection cap, this ventilated membrane can make the disinfectant of cap body inner chamber inside volatilize to the external world through ventilated membrane with steam form, makes the disinfectant totally volatilize under the circumstances of guaranteeing medical joint disinfection completion, makes the medical joint after the disinfection be in aseptic, dry environment, avoids the disinfectant to get into human blood circulation system through medical joint, eliminates the serious medical risk that the disinfectant brought.
The inner cavity of the cap body of the disinfection cap is provided with a liquid storage groove structure, replaces a liquid storage mode of sponge in the prior art, not only prevents disinfectant from dripping from the inner cavity of the cap body, but also can effectively avoid sponge fragments from entering a human body blood circulation system.
Drawings
Fig. 1: the disinfection cap of the invention is a schematic diagram of a split and disassembled structure;
fig. 2: the three-dimensional cut-away structure schematic diagram 1 of the disinfection cap of the invention;
fig. 3: the three-dimensional cut-away structure schematic diagram 1 of the barrier film of the disinfection cap of the invention;
fig. 4: the three-dimensional cut-away structure of the barrier film of the disinfection cap is shown in a schematic drawing 2;
fig. 5: the use state of the disinfection cap is partially cut into a structural schematic diagram 1;
fig. 6: the use state of the disinfection cap is partially cut-away and structured as shown in the schematic drawing 2;
fig. 7: the three-dimensional cut-away structure of the barrier film of the disinfection cap is shown in a schematic drawing 3;
fig. 8: the partial three-dimensional sectioning and resolving structure schematic diagram 1 of the disinfection cap of the invention;
fig. 9: the partial three-dimensional sectioning and resolving structure schematic diagram 2 of the disinfection cap of the invention;
fig. 10: the disinfection cap of the invention is a schematic diagram of the cut-away structure;
fig. 11: the partial three-dimensional cutaway structure schematic diagram 1 of the disinfection cap of the invention;
fig. 12: the partial three-dimensional sectioning and resolving structure of the disinfection cap is shown in a schematic drawing 3;
fig. 13: the three-dimensional sectioning and resolving structure schematic diagram of the disinfection cap is provided;
Fig. 14: the three-dimensional cut-away structure of the barrier film of the disinfection cap is shown in a schematic drawing 4;
fig. 15: the partial three-dimensional cutaway structure of the disinfection cap of the invention is schematically shown in figure 2;
fig. 16: the three-dimensional cut-away structure of the disinfection cap is shown in a schematic diagram 2;
fig. 17: the three-dimensional cut-away structure of the disinfection cap of the invention is shown in a schematic diagram 3;
fig. 18: the three-dimensional cut-away structure of the disinfection cap of the invention is shown in the schematic diagram 4;
fig. 19: the three-dimensional cut-away structure of the disinfection cap is shown in a schematic diagram 5;
FIG. 20 is a schematic view of a three-dimensional cutaway structure of the disinfection cap of the present invention 6;
FIG. 21 is a schematic view of a three-dimensional cutaway structure of the disinfection cap of the present invention 7;
FIG. 22 is a schematic view of the structure of the disinfection cap of the present invention;
1. a medical connector; 11. an external thread; 2. a cap body; 21. a cap body connection port; 211. the inner edge of the cap body connecting port; 22. the bottom of the cap body; 23, the side wall of the cap body; 231. a receiving groove; 2311. the inner surface of the accommodating groove; 2312. an annular protrusion; 232. the inner surface of the side wall of the cap body; 233. an internal thread; 24. an inner cavity of the cap body; 241. a partition member; 2411. a weak connection portion; 2412. a protrusion; 242. a cap upper cavity; 243. a cap lower cavity; 25. a communication port; 26. a liquid storage protrusion; 261. the outer surface of the liquid storage bulge; 27. the upper end surface of the cap body; 28. a liquid storage groove; 281. the groove width; 3. a disinfectant; 4. a barrier film; 41. a through hole; 411. the edge of the through hole; 42. a tear line; 43. a gap; 44. a weakened area; 45. an easily deformable portion; 46. a membrane; 47. a micro-protrusion; 48. a micro-recess; 49a, the outer edge of the barrier film; 49b, inner edge of barrier film; 5. a sealing member; 51. a pull tab; 6. a breathable film; 61. a protection member; 611. an interlayer; 7. a sealing member; 71. an easy-to-fold portion; 72. a pull ring; 8. a sealing gasket; 82a, sealing the outer edge of the gasket; 82b, sealing the inner edge of the gasket; 9. a fixing member.
Detailed Description
Example 1:
as shown in fig. 1, the disinfection cap is used for disinfecting a medical connector 1 and comprises a cap body 2 and a sealing part 5, wherein the cap body 2 is made of high-density polyethylene material by injection molding, is hollow and cup-shaped in the whole with an opening at the upper end, and comprises a cap body connecting port 21, a cap body bottom 22 and a cap body side wall 23, the cap body connecting port 21 comprises a cap body connecting port inner edge 211, the cap body bottom 22 and the cap body side wall 23 jointly enclose a cap body inner cavity 24, and the cap body inner cavity 24 is internally provided with volatile disinfectant 3, in particular 75% alcohol. The sealing part 5 is vulcanized and made of medical rubber materials, the sealing part 5 forms extrusion sealing with the inner edge 211 of the cap body connecting port by means of self elastic deformation, the sealing part 5 is further provided with a pull tab 51 which is in shape fit with fingers of a person, and the pull tab 51 extends outwards locally at the outer edge of the sealing part 5. In another scheme, as shown in fig. 2, the sealing part 5 is an easily torn aluminum foil film, and is sealed at the top end of the cap body connection port 21 through a magnetic induction welding process, and the sealing part 5 is also provided with a pull tab 51 which is convenient for a user to hold, so that the sealing part 5 is torn off when the sealing part is convenient to use.
As shown in fig. 1 and 2, the disinfection cap further comprises a barrier film 4, the barrier film 4 is made of medical thermoplastic elastomer, the whole barrier film 4 is in the shape of an iris of a human eye, and is positioned at the cap body connecting port 21, and comprises a barrier film outer edge 49a and a barrier film inner edge 49b, and a through hole 41 allowing the medical connector 1 to pass is arranged in the center of the barrier film 4. The upper end surface 27 of the cap body 2 is recessed inwards to form an annular groove, the outer edge 49a of the barrier film is accommodated in the groove, and the outer edge 49a of the barrier film is connected with the groove in a sealing way. The inner edge 49b of the barrier film extends in a funnel shape toward the bottom 22 of the cap body, and when the cap body 2 is in the upright position, the disinfectant 3 on the upper surface of the barrier film 4 is facilitated to flow into the inner cavity 24 of the cap body through the through hole 41. When the medical cap is used, the sealing part 5 is removed, the medical connector 1 is held by one hand, the cap body 2 is held by the other hand, the cap body 2 is inclined to the horizontal direction, when the inclination angle is between 0 and 90 degrees, the barrier film 4 prevents the disinfectant 3 from flowing out of the inner cavity 24 of the cap body, and then the medical connector 1 is inserted into the disinfectant 3 of the inner cavity 24 of the cap body for sterilization. The through hole 41 is circular and comprises a through hole edge 411, the diameter of the through hole 41 is 4mm, the distance between the through hole edge 411 and the inner edge 211 of the cap body connecting port is 2mm, and the medical connector 1 is suitable for medical connectors with the outer diameter of 6.0mm to 8.5 mm.
Example 2:
as shown in fig. 1, the disinfection cap is used for disinfecting a medical connector 1 and comprises a cap body 2 and a sealing part 5, wherein the cap body 2 is made of medical polypropylene material by injection molding, is hollow and cup-shaped in the whole with an opening at the upper end, and comprises a cap body connecting port 21, a cap body bottom 22 and a cap body side wall 23, the cap body connecting port 21 comprises a cap body connecting port inner edge 211, the cap body side wall 23 comprises a cap body side wall inner surface 232, the cap body bottom 22 and the cap body side wall 23 jointly enclose a cap body inner cavity 24, and a volatile disinfectant 3, specifically isopropanol with the concentration of 70%, is arranged in the cap body inner cavity 24. The sealing part 5 is an easy-to-tear aluminum foil film and is sealed at the top end of the cap body connecting port 21. As shown in fig. 5, 6 and 12, the inner surface 232 of the sidewall of the cap body is provided with an internal thread 233 which is cooperatively connected with the external thread 11 of the medical connector 1, the internal thread 233 is formed by connecting a plurality of point-shaped parts protruding from the sidewall 23 of the cap body to the central direction of the inner cavity 24 of the cap body, and when the discontinuous internal thread 233 is connected with the external thread 11 of the medical connector 1, intermittent intervals are generated, and the intervals are helpful for the disinfectant 3 to infiltrate and disinfect the external thread 11 of the medical connector 1. Of course, the internal thread 233 may be a normal continuous internal thread 233.
As shown in fig. 12, the disinfection cap further includes a sealing gasket 8, the sealing gasket 8 is made of a medical grade rubber material by vulcanization, specifically a medical grade nitrile rubber material, the shore hardness of which is selected from one of 40HA, 60HA and 70HA, the sealing gasket 8 is in a hollow ring shape and is located at the cap body connection port 21, and the sealing gasket 8 includes a sealing gasket outer edge 82a and a sealing gasket inner edge 82b. The upper end surface 27 of the cap body 2 is recessed inwards to form a ring-shaped accommodating groove 231, the accommodating groove 231 comprises an inner surface 2311 of the accommodating groove, the sealing gasket 8 is accommodated in the accommodating groove 231 in a conformal manner, and the outer edge 82a of the sealing gasket is in sealing contact with the inner surface 2311 of the accommodating groove. The inner edge 82b of the sealing gasket is elastically deformed by the inner edge 82b of the sealing gasket to form a tight fit with the outer surface of the medical connector 1, and when the medical connector 1 is screwed into the cap inner cavity 24, the inner edge 82b of the sealing gasket prevents the disinfectant 3 in the cap inner cavity 24 from flowing out from between the inner edge 82b of the sealing gasket and the outer surface of the medical connector 1. In order to prevent the sealing washer 8 from falling out of the inner cavity 24 of the cap body, the disinfection cap further comprises a fixing part 9, the fixing part 9 is made of medical polypropylene by injection molding, the disinfection cap is hollow and annular as a whole, the outer side wall of the fixing part 9 is provided with an annular side wall bulge, the side wall of the containing groove 231 is provided with a side wall groove corresponding to the side wall bulge, and the sealing washer 8 is fixedly pressed inside the containing groove 231 by mutually concave-convex matching of the side wall bulge of the fixing part 9 and the side wall groove of the containing groove 231. The upper surface of the outer edge 82a of the sealing gasket is recessed inwards to form an annular concave ring for accommodating the fixing part 9.
As shown in fig. 3 and 12, the disinfection cap further comprises a barrier film 4, the surface of the inner edge 82b of the barrier film 4 is an extension of the inner edge 82b of the sealing gasket towards the central direction of the inner cavity 24 of the cap body, the barrier film 4 is in the shape of an iris of a human eye, the whole body of the disinfection cap comprises a barrier film outer edge 49a and a barrier film inner edge 49b, the center of the barrier film 4 is provided with a through hole 41 for allowing the medical connector 1 to pass through, the through hole 41 comprises a through hole edge 411, the inner edge 49b of the barrier film extends towards the central direction of the inner cavity 24 of the cap body, and when the cap body 2 is inclined towards the horizontal direction by 0-90 degrees, the barrier film 4 prevents the disinfectant 3 from flowing out of the inner cavity 24 of the cap body. As shown in fig. 7, the through hole 41 is corrugated, the edge 411 of the through hole is corrugated, the diameter of the through hole 41 is 5mm, the distance between the edge 411 of the through hole and the inner edge 211 of the cap body connecting opening is 1.5mm, and the medical connector 1 is suitable for medical connectors 1 with external diameters of 6.0mm to 8.5 mm.
As shown in fig. 3, in order to reduce the resistance of the medical connector 1 entering the cap body cavity 24 through the through hole 41, the barrier film 4 is composed of a plurality of membranes 46, the plurality of membranes 46 are distributed around the inner edge 211 of the cap body connection port, the whole is in the shape of the iris of the human eye, and the barrier film 4 composed of the plurality of membranes 46 is easier to open, so that the entering resistance is reduced. A gap 43 is provided between two adjacent membranes 46 of the barrier film 4, the gap 43 being 1mm. When the cap body 2 is inclined by 0 ° to 90 ° in the horizontal direction, the resultant force of the five forces is greater than or equal to the self gravity of the disinfectant 3 due to the surface tension of the disinfectant 3 itself, the supporting force of the barrier film 4 against the disinfectant 3, the supporting force of the cap body 2 against the disinfectant 3, the adhesion force between the disinfectant 3 and the barrier film 4, and the adhesion force between the disinfectant 3 and the cap body 2, so that the disinfectant 3 cannot pass through the gap 43 of the barrier film 4.
Example 3:
as shown in fig. 13, a disinfection cap is used for disinfecting a medical connector 1, and comprises a cap body 2 and a sealing part 5, wherein the cap body 2 is made of medical polypropylene material by injection molding, is hollow and cup-shaped in the whole with an opening at the upper end, and comprises a cap body connecting port 21, a cap body bottom 22 and a cap body side wall 23, the cap body connecting port 21 comprises a cap body connecting port inner edge 211, the cap body side wall 23 comprises a cap body side wall inner surface 232, the cap body bottom 22 and the cap body side wall 23 jointly enclose a cap body inner cavity 24, a volatile disinfectant 3 is arranged in the cap body inner cavity 24, specifically 75% alcohol or 70% isopropanol is arranged in the cap body inner cavity 24, and the volatile disinfectant 3 accounts for 30% -80% of the volume of the cap body inner cavity 24. The sealing part 5 is an easy-to-tear aluminum foil film and is sealed at the top end of the cap body connecting port 21 through a magnetic induction welding process, in order to facilitate the holding of the sealing part 5 by a human hand, the sealing part 5 is provided with a pull tab 51 which is in shape with the human finger, and the pull tab 51 extends outwards locally for the outer edge of the sealing part 5. As shown in fig. 13, the inner surface 232 of the side wall of the cap body is provided with an internal thread 233 which is in fit connection with the external thread 11 of the medical connector 1, and the medical connector 1 is fixed inside the inner cavity 24 of the cap body by the mutual fit of the external thread 11 and the internal thread 233, so as to prevent the medical connector 1 from falling out of the inner cavity 24 of the cap body. In order to facilitate holding the cap body 2, the outer surface of the cap body side wall 23 is provided with anti-skid patterns, wherein the anti-skid patterns are uneven patterns for increasing friction force on the outer surface of the cap body side wall 23. Alternatively, the outer surface of the cap sidewall 23 is frosted or sandblasted, so as to enhance the anti-skid property of the outer surface of the cap sidewall 23.
As shown in fig. 13, the disinfection cap further includes a sealing gasket 8, the sealing gasket 8 is made of a medical grade rubber material by vulcanization, specifically a medical grade silicone rubber material, the shore hardness of which is selected from one of 30HA, 45HA and 60HA, the sealing gasket 8 is in a hollow ring shape and is located at the cap body connection port 21, and the sealing gasket 8 includes a sealing gasket outer edge 82a and a sealing gasket inner edge 82b. The upper end surface 27 of the cap body 2 is recessed inwards to form an annular accommodating groove 231, the accommodating groove 231 comprises an inner surface 2311 of the accommodating groove, the sealing gasket 8 is accommodated in the accommodating groove 231 in a conformal manner, and the outer edge 82a of the sealing gasket is in sealing contact with the inner surface 2311 of the accommodating groove. The inner edge 82b of the sealing gasket forms extrusion sealing with the outer surface of the medical connector 1 by virtue of self elastic deformation, and when the medical connector 1 is screwed into the cap body inner cavity 24, the disinfectant 3 in the cap body inner cavity 24 is prevented from flowing out from between the inner edge 82b of the sealing gasket and the outer surface of the medical connector 1. In order to prevent the sealing washer 8 from falling out of the inner cavity 24 of the cap body, the disinfection cap further comprises a fixing part 9, the fixing part 9 is made of medical polypropylene material by injection molding, the whole disinfection cap is hollow and annular, the part of the lower surface of the fixing part 9 protrudes outwards to form a bulge, a welding rib is arranged on the bulge, the angle of the welding rib is one of 45 DEG, 60 DEG, 90 DEG or 120 DEG, the fixing part 9 is fixedly connected with the bottom surface of the inner surface 2311 of the accommodating groove through an ultrasonic welding process, the sealing washer 8 is fixedly pressed inside the accommodating groove 231, and the sealing washer 8 is prevented from falling out of the inner cavity 24 of the cap body. The upper surface of the outer edge 82a of the sealing gasket is recessed inwards to form an annular groove, the fixing part 9 is accommodated in the groove of the outer edge 82a of the sealing gasket, and a through hole allowing the fixing part 9 to protrude through the outer edge 82a of the sealing gasket is formed in the bottom of the groove of the outer edge 82a of the sealing gasket. In order to enhance the tightness between the sealing gasket 8 and the accommodating groove 231, an annular protrusion 2312 is further provided on the bottom surface of the inner surface 2311 of the accommodating groove, and the annular protrusion 2312 is in interference sealing fit with the lower surface of the sealing gasket 8 in a line sealing manner.
As shown in fig. 3, the disinfection cap further includes a barrier film 4, the surface of the inner edge 82b of the barrier film 4 is an extension of the inner edge 82b of the sealing gasket toward the central direction of the inner cavity 24 of the cap body, the barrier film 4 and the sealing gasket 8 are integrally formed, the whole barrier film 4 is in the shape of an iris of a human eye, the disinfection cap includes a barrier film outer edge 49a and a barrier film inner edge 49b, a through hole 41 allowing the medical connector 1 to pass through is arranged in the center of the barrier film 4, the through hole 41 is petal-shaped and includes a through hole edge 411, the diameter of the through hole 41 is 5mm, the distance between the through hole edge 411 and the inner edge 211 of the cap body is 1.5mm, and the disinfection cap is suitable for the medical connector 1 with an outer diameter of 6.0mm to 8.5 mm.
As shown in fig. 5, 6 and 7, the inner edge 49b of the barrier film extends in a funnel shape toward the bottom 22 of the cap body, and when the cap body 2 is in the upright position, the disinfectant 3 on the upper surface of the barrier film 4 is facilitated to flow into the inner cavity 24 of the cap body through the through hole 41. The average thickness of the barrier film 4 is 0.3mm, the thickness of the barrier film 4 is gradually reduced from the outer edge 49a of the barrier film to the central direction, the convex part of the barrier film 4 to the central direction of the cap body 2 is an easy-deformation part 45, the wall thickness of the easy-deformation part 45 is smaller than the average wall thickness of the barrier film 4, the easy-deformation part 45 is helped to be extruded by the medical connector 1 to deform, the wall thickness of the outer edge 49a of the barrier film is larger than the average wall thickness of the barrier film 4, and the easy-deformation part 45 is helped to be stretched, so that the easy-deformation part 45 is recovered to be in a state of extending to the central direction of the cap body 2. When the medical connector is used, the sealing part 5 is removed, the medical connector 1 is held by one hand, the cap body 2 is held by the other hand, the cap body 2 is inclined to the horizontal direction, the inclination angle is between 0 and 90 degrees, the blocking film 4 prevents the disinfectant 3 from flowing out of the inner cavity 24 of the cap body, and when the medical connector 1 is screwed into the inner cavity 24 of the cap body through the through hole 41, the deformation part 45 is easily extruded by the medical connector 1 to be bent towards the bottom 22 of the cap body; when the medical connector 1 is screwed out from the inner cavity 24 of the cap body through the through hole 41, the easily deformed part 45 is driven to bend in the opposite direction of the bottom 22 of the cap body, at the moment, the lower surface of the barrier film 4 is attached to the surface of the medical connector 1, and microorganisms attached to the outside of the cap body connecting port 21 are effectively prevented from falling on the surface of the medical connector 1; when the medical connector 1 is screwed out from the cap body cavity 24 through the through hole 41, the deformation part 45 is elastically restored by itself.
As shown in fig. 3 and 13, in order to reduce the resistance when the medical connector 1 enters the cap cavity 24 through the through hole 41, the barrier film 4 is composed of a plurality of membranes 46, the plurality of membranes 46 are distributed around the inner edge 211 of the cap connection port, the whole is in the shape of the iris of the human eye, and the barrier film 4 composed of the plurality of membranes 46 is easier to open, so that the entering resistance is reduced. A gap 43 is provided between two adjacent membranes 46 of the barrier film 4, the gap 43 being 1mm. When the cap body 2 is inclined 0 to 90 degrees to the horizontal direction, the resultant force of the five forces is greater than or equal to the gravity of the disinfectant 3 itself because of the surface tension of the disinfectant 3 itself, the supporting force of the barrier film 4 to the disinfectant 3, the supporting force of the cap body 2 to the disinfectant 3, the adhesive force between the disinfectant 3 and the barrier film 4, and the adhesive force between the disinfectant 3 and the cap body 2, and the disinfectant 3 cannot flow out from the gap 43 of the barrier film 4. Alternatively, as shown in fig. 4, the edge portions of two adjacent membranes 46 of the barrier film 4 overlap each other, the overlapping portions of the membranes 46 are attached to each other, and the attaching mode may be that the upper surface of the edge of one membrane 46 is attached to the lower surface of the edge of the adjacent membrane 46, or that the upper surface of one end of the edge of one membrane 46 is attached to the lower surface of the edge of the adjacent membrane 46, and the lower surface of the other end is attached to the upper surface of the edge of the adjacent membrane 46, when the cap connecting port 21 is inclined by 0 ° to 90 ° in the horizontal direction, the barrier film 4 not only prevents the disinfectant 3 from flowing out of the cap cavity 24, but also prevents the disinfectant 3 from flowing out of the cap cavity 24 due to the fact that the overlapping portions of the membrane 46 and the membrane 46 are pressed and attached more tightly by the gravity of the disinfectant 3.
As shown in fig. 14, the upper surface of the barrier film 4 is provided with a plurality of micro-protrusions 47 and micro-recesses 48, the surface of the inner edge 82b of the sealing gasket is provided with a plurality of micro-protrusions 47 and micro-recesses 48, the micro-protrusions 47 are the outwards protruding part of the upper surface of the barrier film 4 and the outwards protruding part of the inner edge 82b of the sealing gasket, the micro-recesses 48 are the inwards recessed part of the upper surface of the barrier film 4 and the inwards recessed part of the inner edge 82b of the sealing gasket, and the micro-protrusions 47 and the micro-recesses 48 increase the area of the disinfectant 3 attached to the upper surface of the barrier film 4 and the area of the inner edge 82b of the sealing gasket. When the inclination angle of the cap body 2 to the horizontal direction exceeds 90 degrees, the disinfectant 3 in the inner cavity 24 of the cap body flows into the cavity gap between the upper surface of the barrier film 4 and the sealing part 5 through the through hole 41; when the cap body 2 is erected, the disinfectant 3 flows back to the bottom of the inner cavity 24 of the cap body, part of the disinfectant 3 can be adhered to the upper surface of the barrier film 4 and the surface of the inner edge 82b of the sealing gasket, and the disinfectant can perform a disinfecting and sterilizing function on the upper surface of the barrier film 4 and the surface of the inner edge 82b of the sealing gasket, so that microorganisms attached to the outside of the cap body connecting port 21 are prevented from falling on the surface of the medical connector 1.
As shown in fig. 9 and 13, the bottom 22 of the cap body is provided with a communication port 25 for communicating the inner cavity 24 of the cap body with the outside, the communication port 25 is provided with a breathable film 6 which is breathable and impermeable to liquid, the breathable film 6 is a PTFE film with a special coating and is fixedly connected with the communication port 25 by adopting a welding process, the breathable film 6 can volatilize the disinfectant 3 pre-filled in the inner cavity 24 of the cap body in a steam mode, the medical connector 1 is in a sterile and dry environment, and in addition, the breathable film 6 prevents external microorganisms and bacteria from entering the inner cavity 24 of the cap body. In order to avoid the damage of ventilated membrane 6, disinfection cap still includes protection component 61, protection component 61 adopts medical level polypropylene material to mould plastics and makes, is the inside hollow tubular of both ends opening, protection component 61 top and cap body bottom 22 fixed connection, the bottom is open to the outside. The top end of the protective component 61 is provided with a welding rib, the welding rib angle is one of 45 degrees, 60 degrees, 90 degrees or 120 degrees, and the top end of the protective component 61 is fixedly connected with the bottom 22 of the cap body in a sealing manner by adopting an ultrasonic welding process. In addition, the bottom 22 of the cap body is provided with a groove for accommodating the welding rib of the protecting member 61, so that the assembling and positioning of the protecting member 61 are facilitated. In order to avoid volatilization of the disinfectant 3 pre-filled in the inner cavity 24 of the front cap body through the ventilation membrane 6 by the communication port 25, the disinfection cap further comprises a sealing component 7, wherein the sealing component 7 is in an elongated shape as a whole, specifically, the bottom end of the protection component 61 is formed by extending downwards, and the bottom end of the protection component 61 can be closed. The seal member 7 and the protection member 61 are provided with a frangible portion 71 at a position where the seal member 7 is connected, and the frangible portion 71 is formed by thinning a part of the wall thickness of the seal member 7. When in use, the hand applies force to the sealing component 7, and the sealing component 7 can be broken along the frangible part 71, so that the inner cavity 24 of the cap body is communicated with the outside through the ventilation membrane 6 by the communication port 25, and the disinfectant 3 in the form of steam volatilizes to the outside through the ventilation membrane 6 by the communication port 25, thereby avoiding the disinfectant 3 from remaining on the medical connector 1.
Example 4:
as shown in fig. 2, the disinfection cap is used for disinfecting the medical connector 1 and comprises a cap body 2 and a sealing part 5, the cap body 2 is made of medical polypropylene material by injection molding, is hollow and cup-shaped in the whole with an opening at the upper end, and comprises a cap body connecting port 21, a cap body bottom 22 and a cap body side wall 23, the cap body connecting port 21 comprises a cap body connecting port inner edge 211, the cap body side wall 23 comprises a cap body side wall inner surface 232, the cap body bottom 22 and the cap body side wall 23 jointly enclose a cap body inner cavity 24, a volatile disinfectant 3 is arranged in the cap body inner cavity 24, specifically 75% alcohol or 70% isopropanol, and the volatile disinfectant 3 accounts for 60% of the volume of the cap body inner cavity 24. The sealing part 5 is an easy-to-tear aluminum foil film, the sealing part 5 is sealed at the top end of the cap body connecting port 21, and the sealing part 5 is provided with a pull tab 51. As shown in fig. 12, the inner surface 232 of the sidewall of the cap body is provided with an internal thread 233 which is cooperatively connected with the external thread 11 of the medical connector 1.
As shown in fig. 12, the disinfection cap further comprises a sealing gasket 8, the sealing gasket 8 is made of medical grade silicon rubber material through vulcanization, the sealing gasket 8 is in a hollow ring shape and is positioned at the cap body connecting port 21, and the sealing gasket 8 comprises a sealing gasket outer edge 82a and a sealing gasket inner edge 82b. The upper end surface 27 of the cap body 2 is provided with a containing groove 231, the sealing gasket 8 is accommodated in the containing groove 231 in a conformal manner, and the outer edge 82a of the sealing gasket is in sealing contact with the inner surface 2311 of the containing groove. The inner edge 82b of the sealing gasket is in sealing fit with the outer surface of the medical connector 1, and when the medical connector 1 is screwed into the cap inner cavity 24, the disinfectant 3 in the cap inner cavity 24 is prevented from flowing out from between the inner edge 82b of the sealing gasket and the outer surface of the medical connector 1. In order to prevent the sealing gasket 8 from falling out of the inner cavity 24 of the cap body, the disinfection cap further comprises a fixing part 9, the fixing part 9 is made of medical polypropylene material by injection molding, the whole disinfection cap is hollow and annular, the fixing part 9 and the accommodating groove 231 are fixedly connected through a concave-convex matching structure, the sealing gasket 8 is fixedly pressed in the accommodating groove 231, and the sealing gasket 8 is prevented from falling out of the inner cavity 24 of the cap body.
The disinfection cap further comprises a barrier film 4, the surface of the inner edge 82b of the barrier film 4 is an extension of the inner edge 82b of the sealing gasket towards the central direction of the inner cavity 24 of the cap body, the barrier film 4 and the sealing gasket 8 are integrally formed, the whole barrier film 4 is in the shape of the iris of the human eye, the disinfection cap comprises a barrier film outer edge 49a and a barrier film inner edge 49b, a through hole 41 allowing the medical connector 1 to pass through is arranged in the center of the barrier film 4, the diameter of the through hole 41 is 6mm, the distance between the edge 411 of the through hole and the inner edge 211 of the cap body is 1.5mm, and the disinfection cap is suitable for the medical connector 1 with the outer diameter of 6.0mm to 8.5 mm. In use, the barrier film 4 prevents the disinfectant 3 from flowing out of the cap cavity 24 when the cap 2 is tilted between 0 ° and 90 ° horizontally.
As shown in fig. 3, in order to reduce the resistance of the medical connector 1 entering the cap inner cavity 24 through the through hole 41, the separation membrane 4 is provided with a tearing line 42 along the radial direction of the cap connecting port 21, the tearing line 42 is annularly distributed around the center of the cap 2, the tearing line 42 is a plurality of micro round holes penetrating through the separation membrane 4, the micro round holes are connected to form a line shape, when the medical connector 1 is screwed into the cap inner cavity 24 through the through hole 41, the separation membrane 4 is extruded by the medical connector 1 to crack along the tearing line 42, and the separation membrane 4 is divided into a plurality of blocks by the tearing line 42, so that the separation membrane 4 is easier to open, and the entering resistance is reduced. Alternatively, the tear line 42 is a plurality of micro rectangular holes penetrating through the barrier film 4, and the plurality of micro rectangular holes are connected and then are linear.
As shown in fig. 8 and 10, the bottom 22 of the cap body is provided with a communication port 25 for communicating the inner cavity 24 of the cap body with the outside, the communication port 25 is provided with a breathable film 6 which is breathable and impermeable to liquid, and the breathable film 6 is a PTFE film with a special coating and is connected with the communication port 25 by adopting a welding process. In order to avoid the ventilated membrane 6 damage, still be equipped with protection component 61, this protection component 61 is the inside hollow tubulose of both ends opening, for the outside extension of cap body bottom 22, in order to avoid using the inside disinfectant 3 of cap body inner chamber 24 to volatilize through the ventilated membrane 6 of front cap body, ventilated membrane 6 outside is equipped with the sealed component 7 to outer confined with ventilated membrane 6, sealed component 7 is the easy tearing aluminium foil membrane, seals in protection component 61 bottom through magnetic induction welding technology, for convenient to use, sealed component 7 and sealed component 5 are connected as an organic wholely through pull ring 72, during the use, only need pulling pull tab 51, sealed component 5 and sealed component 7 are torn simultaneously, and the inside cavity 24 of cap body is opened through intercommunication mouth 25 and external world, and the disinfection cap can be used.
As shown in fig. 15, in order to avoid the long-term contact between the disinfectant 3 pre-filled in the inner cavity 24 of the cap body and the breathable film 6 through the communication port 25 and affect the breathability of the breathable film 6, the inner cavity 24 of the cap body is provided with a partition member 241, the partition member 241 is horizontal, the partition member 241 is an extension of the inner surface 232 of the side wall of the cap body toward the center direction of the cap body 2, the partition member 241 partitions the inner cavity 24 of the cap body into an upper cavity 242 of the cap body and a lower cavity 243 of the cap body, the upper cavity 242 of the cap body stores the volatile disinfectant 3, the communication port 25 is positioned in the lower cavity 243 of the cap body, and the breathable film 6 can enable the lower cavity 243 of the cap body to be communicated with the outside. In use, in order to facilitate the medical connector 1 to crush and break the partition member 241, the cap upper cavity 242 stores the disinfectant 3 and flows into the cap lower cavity 243, the partition member 241 is provided with a weak connection portion 2411, and the weak connection portion 2411 is positioned at the center of the partition member 241 and is formed by thinning the local wall thickness of the partition member 241.
Alternatively, in order to increase the storage capacity of the disinfectant 3 in the upper cavity 242 of the cap body, the medical connector 1 smoothly presses the partition member 241, as shown in fig. 16, the partition member 241 is inclined, one end of the partition member 241 near the cap body connection port 21 is provided with a weak connection portion 2411, and the weak connection portion 2411 is formed by thinning the local wall thickness of the partition member 241. When the medical connector 1 is screwed into the cap inner cavity 24, as one end of the partition part 241, which is close to the cap connecting port 21, is nearer to the medical connector 1, the partition part 241 is firstly extruded by the medical connector 1, the partition part 241 is broken along the weak connecting portion 2411, and the disinfectant 3 flows into the cap lower cavity 243 from the cap upper cavity 242; because the end of the partition part 241, which is far away from the cap body connection port 21, is far away from the medical connector 1 and is not extruded by the medical connector 1, the end of the partition part 241, which is far away from the cap body connection port 21, is well connected with the inner surface 232 of the cap body side wall, and the whole partition part 241 is prevented from falling into the cap body lower cavity 243.
Alternatively, in order to increase the storage capacity of the disinfectant 3 in the upper cavity 242 of the cap body, the medical connector 1 smoothly presses the partition member 241, as shown in fig. 17, the partition member 241 is provided with a protrusion 2412 protruding toward the cap body connection port 21, the protrusion 2412 is located at the center of the partition member 241, the protrusion 2412 is in an inverted cup shape protruding from the upper surface of the partition member 241, a weak connection portion 2411 is provided at a position where the protrusion 2412 is connected to the partition member 241, and the weak connection portion 2411 is formed by thinning a partial wall thickness of the partition member 241. The separation member 241 has a protrusion 2412 which shortens the distance between the medical connector 1 and the separation member 241, and when the medical connector 1 is screwed into the cap inner cavity 24, the protrusion 2412 is pressed by the medical connector 1, the separation member 241 is broken along the weak connection portion 2411, and the disinfectant 3 flows into the cap lower cavity 243 from the cap upper cavity 242. As shown in fig. 18, the protrusions 2412 are formed in an upright cup shape protruding from the upper surface of the partition 241, and the cup cavity of the upright cup shape is advantageous in increasing the capacity of the upper cavity 242 of the cap body for storing the disinfectant 3. As shown in fig. 19, the protrusion 2412 is an inverted cup shape protruding from the upper surface of the partition 241, and has a recess at the bottom of the cup, which can further increase the storage capacity of the upper cavity 242 of the cap for the sterilizing agent 3.
Example 5:
as shown in fig. 2, the disinfection cap is used for disinfecting the medical connector 1 and comprises a cap body 2 and a sealing part 5, wherein the cap body 2 is made of medical polypropylene material by injection molding, is hollow and cup-shaped in the whole with an opening at the upper end, and comprises a cap body connecting port 21, a cap body bottom 22 and a cap body side wall 23, the cap body connecting port 21 comprises a cap body connecting port inner edge 211, the cap body side wall 23 comprises a cap body side wall inner surface 232, the cap body bottom 22 and the cap body side wall 23 jointly enclose a cap body inner cavity 24, a volatile disinfectant 3 is arranged in the cap body inner cavity 24, specifically 75% alcohol or 70% isopropanol, and the volatile disinfectant 3 accounts for 70% of the volume of the cap body inner cavity 24. The sealing part 5 is an easy-to-tear aluminum foil film, and the sealing part 5 is sealed at the top end of the cap body connecting port 21. As shown in fig. 12, the inner surface 232 of the sidewall of the cap body is provided with an internal thread 233 which is cooperatively connected with the external thread 11 of the medical connector 1.
As shown in fig. 10, the disinfection cap further comprises a sealing gasket 8, the sealing gasket 8 is made of medical grade silicon rubber material through vulcanization, and the sealing gasket 8 is in a hollow ring shape and is positioned at the cap body connecting port 21. The inner surface of the side wall 23 of the cap body is recessed inwards to form a ring-shaped accommodating groove 231, and the sealing gasket 8 is accommodated in the accommodating groove 231. In fig. 10, there is a certain gap between the sealing gasket 8 and the accommodating groove 231, and mainly for the purpose of showing the accommodating groove 231 and the sealing gasket 8 more clearly in the drawing, in practice, the sealing gasket 8 and the accommodating groove 231 should be in interference type sealing connection.
The disinfection cap further comprises a barrier film 4, the whole shape of the barrier film 4 is the shape of the iris of the human eye, a through hole 41 allowing the medical connector 1 to pass through is arranged in the center of the barrier film 4, the diameter of the through hole 41 is 7mm, the distance between the edge 411 of the through hole and the inner edge 211 of the cap body connector is 1mm, and the disinfection cap is suitable for the medical connector 1 with the outer diameter of 6.0mm to 8.5 mm. In use, when the cap 2 is tilted between 0 ° and 90 ° to the horizontal, the barrier film 4 prevents the disinfectant 3 from flowing out of the cap cavity 24.
As shown in fig. 3, the barrier film 4 is provided with weakened areas 44 along the radial direction of the cap body connecting port 21, the weakened areas 44 are annularly distributed around the center of the cap body 2, the weakened areas 44 are formed by thinning the wall thickness of a part of the barrier film 4, the wall thickness of the weakened areas 44 is smaller than the average wall thickness of the barrier film 4, and the weakened areas 44 are easier to deform, so that when the medical connector 1 is screwed into the cap body inner cavity 24 through the through hole 41, the barrier film 4 is easily spread, and the resistance to entering is reduced.
As shown in fig. 11, the side wall 23 of the cap body is provided with a communication port 25 for communicating the inner cavity 24 of the cap body with the outside, a breathable film 6 which is breathable and impermeable to liquid is arranged at the communication port 25, and the breathable film 6 is a PTFE film with a special coating and is connected with the communication port 25 by adopting a welding process. In order to avoid the damage of the ventilated membrane 6, the protective member 61 further comprises a protective member 61, wherein the protective member 61 is in a hollow tubular shape with two open ends, one end of the protective member 61 is fixedly connected with the outer surface of the side wall 23 of the cap body through a concave-convex matching structure, and the other end of the protective member is open to the outside. In order to further prevent the damage to the air-permeable membrane 6, the protecting member 61 is provided with a net-shaped barrier 611 at an outer open end, and the barrier 611 can effectively prevent the damage to the air-permeable membrane 6. In order to avoid using the disinfectant 3 pre-filled in the inner cavity 24 of the front cap body to volatilize through the ventilation membrane 6 through the communication port 25, a sealing part 7 for sealing the ventilation membrane 6 outside is arranged outside the ventilation membrane 6, and the sealing part 7 is an easy-to-tear aluminum foil membrane.
As shown in fig. 11, in order to avoid long-term contact between the disinfectant 3 pre-filled in the inner cavity 24 of the cap body and the breathable film 6 through the communication port 25 and influence the use effect and function of the breathable film 6 before use, the inner cavity 24 of the cap body is provided with a partition member 241, the partition member 241 is horizontal, the partition member 241 partitions the inner cavity 24 of the cap body into an upper cavity 242 of the cap body and a lower cavity 243 of the cap body, the upper cavity 242 of the cap body stores the volatile disinfectant 3, and the communication port 25 is positioned in the lower cavity 243 of the cap body.
When the inclination angle of the cap body 2 to the horizontal direction exceeds 90 degrees, in order to assist the barrier film 4 to prevent the disinfectant 3 in the cap body inner cavity 24 from flowing out, as shown in fig. 20, the cap body side wall 23 and the cap body bottom 22 extend toward the center direction of the cap body 2, the liquid storage protrusions 26 are the protruding parts of the inner surface 232 of the cap body side wall and the inner surface 22 of the cap body toward the center of the cap body 2, the liquid storage protrusions 26 comprise liquid storage protrusion outer surfaces 261, and liquid storage grooves 28 are arranged between the liquid storage protrusion outer surfaces 261 and the inner surface 232 of the cap body side wall and between the inner surfaces of the cap body bottom 22, or liquid storage grooves 28 are arranged between the two liquid storage protrusion outer surfaces 261. The groove width 281 of the liquid storage groove 28 is 0.8mm, specifically, the groove width 281 of the liquid storage groove 28 is the widest distance between the outer surfaces 261 of two adjacent liquid storage protrusions, or the widest distance between the inner surface 232 of the side wall of the cap body and the outer surfaces 261 of the adjacent liquid storage protrusions, and the volatile disinfectant 3 is stored in the liquid storage groove 28. When the inclination angle of the cap body 2 to the horizontal direction exceeds 90 degrees, the adhesive force between the disinfectant 3 and the liquid storage groove 28 is generated due to the surface tension of the disinfectant 3, the adhesive force between the disinfectant 3 and the cap body 2 is larger than or equal to the gravity of the disinfectant 3, and the disinfectant 3 can be effectively prevented from flowing out of the inner cavity 24 of the cap body. Alternatively, as shown in fig. 21, the side wall 23 of the cap body extends toward the center of the cap body 2, the liquid storage protrusion 26 is a portion of the inner surface 232 of the side wall of the cap body protruding toward the center of the cap body 2, the disinfectant 3 can be stored between the liquid storage protrusion 26 and the inner surface of the bottom 22 of the cap body, and the liquid storage protrusion 26 forms a blocking grid to prevent the disinfectant 3 from flowing out of the inner cavity 24 of the cap body. The liquid storage bulge 26 comprises a liquid storage bulge outer surface 261, a liquid storage groove 28 is arranged between the liquid storage bulge outer surface 261 and the inner surface 232 of the side wall of the cap body and the inner surface of the bottom 22 of the cap body, the groove width 281 of the liquid storage groove 28 is 0.8mm, and the disinfectant 3 which is easy to volatilize is stored in the liquid storage groove 28. As shown in fig. 22, in order to facilitate the filling of the volatile disinfectant 3 into the inner cavity 24 of the cap body, the liquid storage protrusions 26 and the liquid storage protrusions 26 are arranged at intervals, so that the liquid storage grooves 28 are communicated with each other. When the disinfectant 3 is poured into the inner cavity 24 of the cap body, the poured disinfectant 3 diffuses into each liquid storage groove 28, and the production efficiency of the disinfection cap is improved.

Claims (23)

1. A disinfection cap for disinfecting a medical connector (1), comprising a cap body (2) and a sealing part (5), wherein the cap body (2) comprises a cap body connecting port (21), a cap body bottom (22) and a cap body side wall (23), the cap body connecting port (21) comprises a cap body connecting port inner edge (211), a cavity defined by the cap body bottom (22) and the cap body side wall (23) is a cap body inner cavity (24), the cap body inner cavity (24) stores a volatile disinfectant (3), the sealing part (5) seals the cap body connecting port (21) and prevents the cap body inner cavity (24) from contacting the outside, the disinfection cap is characterized by further comprising a blocking film (4), the blocking film (4) comprises a blocking film outer edge (49 a), the blocking film (4) is in the shape of an eye iris of a human body, the blocking film (4) is positioned at the cap body connecting port (21), the blocking film outer edge (49 a) is connected with the cap body inner edge (211), a through hole (41) allowing the medical connector (1) to pass through is arranged in the center of the blocking film (4), when the cap body (2) inclines to the cap body inner cavity (24) and is communicated with at least one cap body (24) from the cap body inner cavity (24) to the outside, the breathable film (6) which is breathable and impermeable to liquid is arranged at the communication port (25), a sealing component (7) which seals the breathable film (6) outwards is arranged outside the breathable film (6), the sealing component (7) prevents the inner cavity (24) of the cap body from being communicated with the outside through the breathable film (6) through the communication port (25), and the sealing component (7) can be broken or torn off easily.
2. The disinfection cap according to claim 1, wherein the thickness of the barrier film (4) decreases from the outer edge (49 a) of the barrier film to the central direction, the protrusion of the barrier film (4) to the central direction of the cap body (2) is an easy-deformation portion (45), when the easy-deformation portion (45) is extruded by the medical connector (1), the easy-deformation portion (45) is bent to the bottom (22) of the cap body, and when the medical connector (1) is pulled out from the inner cavity (24) of the cap body, the easy-deformation portion (45) is bent to the opposite direction of the bottom (22) of the cap body.
3. A disinfection cap as claimed in claim 2, wherein the barrier film (4) is provided with at least one tear line (42) in the radial direction of the cap body connection opening (21), and the barrier film (4) is ruptured along the tear line (42) when the medical connector (1) enters the cap body cavity (24) via the through hole (41).
4. A disinfection cap as claimed in claim 2, wherein the barrier film (4) is provided with at least one region of weakness (44) in the radial direction of the cap body connection opening (21), the wall thickness of the region of weakness (44) being smaller than the average wall thickness of the barrier film (4), the region of weakness (44) of the barrier film (4) being spread apart when the medical connector (1) is introduced into the cap body (2).
5. A disinfection cap as claimed in claim 2, wherein said barrier film (4) is composed of a plurality of membranes (46), said membranes (46) being arranged around the inner edge (211) of the cap body connection opening.
6. A disinfection cap as claimed in claim 5, wherein a gap (43) is provided between two adjacent membranes (46) of said barrier film (4), which gap (43) is not more than 1mm.
7. A disinfection cap as claimed in claim 5, wherein said barrier film (4) has two adjacent film pieces (46) with their edge portions overlapping each other, the overlapping portions of the film pieces (46) being in abutment with each other, the film pieces (46) preventing the disinfectant (3) from flowing out of the cap body cavity (24) when the cap body (2) is tilted in a horizontal direction.
8. A disinfection cap as claimed in claim 6, wherein said barrier film (4) comprises a barrier film inner edge (49 b), said barrier film inner edge (49 b) extending in the direction of the cap body bottom (22) and being generally funnel-shaped to facilitate the flow of disinfectant (3) from the upper surface of the barrier film (4) into the cap body cavity (24).
9. A disinfection cap as claimed in any one of claims 1-8, wherein said sealing member (7) is provided with a frangible portion (71), and said sealing member (7) is broken along said frangible portion (71) upon application of a force to cause said cap body cavity (24) to communicate with the outside through said communication port (25) via said breathable membrane (6).
10. A disinfection cap as claimed in claim 9, and comprising a sealing gasket (8), said sealing gasket (8) comprising a sealing gasket outer edge (82 a) and a sealing gasket inner edge (82 b), said sealing gasket (8) being hollow and annular and being located at the cap body connection opening (21), said sealing gasket inner edge (82 b) being in sealing contact with the surface of the medical connector (1).
11. A disinfection cap as claimed in claim 10, wherein said cap body (2) is provided with a receiving groove (231) for receiving a sealing gasket (8), said receiving groove (231) comprising a receiving groove inner surface (2311), said sealing gasket outer edge (82 a) being in sealing contact with said receiving groove inner surface (2311).
12. A disinfection cap as claimed in claim 11, wherein said receiving groove (231) is an inwardly concave annular groove formed in the inner surface (232) of the cap body side wall.
13. A disinfection cap as claimed in claim 11, wherein said receiving groove (231) is an annular groove formed by an inward depression of the cap body upper end surface (27).
14. A disinfection cap as claimed in claim 13, and further comprising a fixing member (9), the fixing member (9) being located at the cap body connection opening (21), the fixing member (9) fixedly pressing at least a part of the sealing gasket (8) inside the accommodation groove (231) to prevent the sealing gasket (8) from coming out from the inside of the cap body inner cavity (24).
15. A disinfection cap as claimed in claim 14, wherein said barrier film (4) is integral with the sealing gasket (8), the barrier film (4) being an extension of the inner edge (82 b) surface of the sealing gasket in the direction of the centre of the inner cavity (24) of the cap body.
16. A disinfection cap as claimed in claim 15, wherein the upper surface of said barrier film (4) and/or the surface of the inner edge (82 b) of the sealing gasket is provided with a plurality of micro-protrusions (47) and/or micro-recesses (48), which micro-protrusions (47) and/or micro-recesses (48) increase the area of the adhesion of the disinfection agent (3) to the upper surface of the barrier film (4) and/or the surface of the inner edge (82 b) of the sealing gasket.
17. A disinfection cap as claimed in claim 16, wherein said cap body side wall (23) comprises a cap body side wall inner surface (232), said cap body side wall inner surface (232) being provided with internal threads (233) for mating connection with external threads (11) of a medical connector (1).
18. The disinfection cap as claimed in claim 17, wherein said cap body inner cavity (24) is provided with a partition member (241), the partition member (241) is an extension of the cap body side wall inner surface (232) toward the center direction of the cap body (2), the partition member (241) partitions the cap body inner cavity (24) into a cap body upper cavity (242) and a cap body lower cavity (243), said cap body upper cavity (242) stores a volatile disinfectant (3), said cap body lower cavity (243) is communicated with the outside through a ventilation membrane (6) on the communication port (25), said partition member (241) is provided with a weak connection portion (2411), when the medical joint (1) is screwed into the cap body inner cavity (24), the weak connection portion (2411) of the partition member (241) is crushed by an external force, and said cap body upper cavity (242) is communicated with the cap body lower cavity (243).
19. The sterilizing cap according to claim 18, wherein the partition member (241) is inclined, and a weak connection portion (2411) is provided at an end of the partition member (241) adjacent to the cap body connection port (21).
20. The sterilizing cap according to claim 18, wherein the partition member (241) is provided with a protrusion (2412) protruding toward the cap body connection port (21), and a weak connection portion (2411) is provided at a position where the protrusion (2412) is connected to the partition member (241).
21. The sterilizing cap according to claim 20, wherein the protrusion (2412) of the partition member (241) has a cup shape with an open top and a hollow interior, protruding toward the cap body connection port (21), and the hollow interior of the protrusion (2412) increases the storage capacity of the cap body inner cavity (24) for the sterilizing agent (3).
22. A disinfection cap as claimed in any one of claims 10-21, wherein said cap body side wall (23) and/or cap body bottom (22) extends towards the centre of the cap body (2) with a liquid storage protrusion (26), said liquid storage protrusion (26) comprising a liquid storage protrusion outer surface (261), a liquid storage groove (28) being provided between said liquid storage protrusion outer surface (261) and the cap body side wall inner surface (232) and between said cap body bottom (22) inner surface, said liquid storage groove (28) storing a readily volatilizable disinfectant (3), and when the cap body (2) is tilted horizontally, the liquid storage groove (28) preventing the disinfectant (3) from flowing out of the cap body inner cavity (24), when the disinfectant (3) itself has a surface tension, an adhesion between the disinfectant (3) and the liquid storage groove (28), an adhesion between the disinfectant (3) and the cap body (2), and a resultant of the three forces being greater than or equal to the disinfectant (3) itself's gravity.
23. A disinfection cap as claimed in claim 22, wherein said liquid storage channels (28) have a channel width (281) of not more than 0.8mm, and wherein said liquid storage channels (28) are interconnected.
CN201610148468.4A 2016-03-16 2016-03-16 Sterilizing cap Active CN107198822B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116808428A (en) 2018-04-10 2023-09-29 贝克顿·迪金森公司 Universal disposable cover for male and female connectors
CN110124147B (en) * 2019-05-17 2022-05-03 深圳安特医疗股份有限公司 Protective cap and method for sterilizing infusion tube by using protective cap

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CN201179249Y (en) * 2008-01-31 2009-01-14 Amsino医疗集团控股有限公司 Ruhr joint protective cap
CN102686253A (en) * 2009-10-30 2012-09-19 凯斯特连接公司 Disinfecting caps and systems and associated methods
CN103260696A (en) * 2010-10-20 2013-08-21 弗雷泽纽斯卡比德国有限公司 Protective Covers for Connectors
CN205549223U (en) * 2016-03-16 2016-09-07 北京万生人和科技有限公司 Disinfectant cap

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Publication number Priority date Publication date Assignee Title
US8523830B2 (en) * 2007-01-16 2013-09-03 Catheter Connections Disinfecting caps for medical female luer connectors
US9039989B2 (en) * 2013-02-13 2015-05-26 Becton, Dickinson And Company Disinfection cap for disinfecting a male luer end of an infusion therapy device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201179249Y (en) * 2008-01-31 2009-01-14 Amsino医疗集团控股有限公司 Ruhr joint protective cap
CN102686253A (en) * 2009-10-30 2012-09-19 凯斯特连接公司 Disinfecting caps and systems and associated methods
CN103260696A (en) * 2010-10-20 2013-08-21 弗雷泽纽斯卡比德国有限公司 Protective Covers for Connectors
CN205549223U (en) * 2016-03-16 2016-09-07 北京万生人和科技有限公司 Disinfectant cap

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