CN107198822A

CN107198822A - A kind of disinfectant cap

Info

Publication number: CN107198822A
Application number: CN201610148468.4A
Authority: CN
Inventors: 董东生; 王茹; 杨东方; 张琳琳
Original assignee: BEIJING WANSHENG RENHE TECHNOLOGY Co Ltd
Current assignee: BEIJING WANSHENG RENHE TECHNOLOGY Co Ltd
Priority date: 2016-03-16
Filing date: 2016-03-16
Publication date: 2017-09-26
Anticipated expiration: 2036-03-16
Also published as: CN107198822B

Abstract

The present invention provides a kind of disinfectant cap, including cap body and sealing part, the cap body includes cap body connector, cap body bottom and cap body sidewall, the cap body bottom and cap body sidewall surround cap body inner chamber jointly, the cap body inner chamber stores volatile disinfectant, the sealing part closes cap body connector, the disinfectant of cap body inner cavity is prevented to volatilize, the technical problem that disinfectant flows out from cap body inner chamber during in order to solve to use, the Obstruct membrane of iris shape is provided with cap body connector, the Obstruct membrane is provided with the through hole for allowing medical connector to pass through, when cap body is tilted to horizontal direction, Obstruct membrane prevents disinfectant from being flowed out from cap body inner chamber.

Description

A kind of disinfectant cap

Technical field

The present invention relates to a kind of disinfectant cap, it is mainly used in the sterilizing of medical connector, belongs to technical field of medical instruments.

Background technology

In clinic, for infusing, transfusing blood, the medical connector of blood vessel interimage often by indwelling and be used for multiple times, in order to input different types of medicine into blood circulation of human body system.However, existing medical connector is not furnished with protective cap generally, it can be contaminated medical connector in the dirty air of hospital when medical connector is in disconnected state.At present, for the conventional disinfection way of medical connector sterilized repeatedly with Iodophor or cotton ball soaked in alcohol, but this kind of mode not only increases the workload of nursing staff, and it is not thorough in the presence of sterilizing, cause the hidden danger of secondary pollution.

To solve prior art problem, Chinese patent CN 200820006083.5 discloses a kind of Ruhr joint protective cap, including cap body and the sterilization plug for being adsorbed with volatile sterilant, and the sterilization plug is arranged in the cavity of cap body, is made up of sponge.In use, by protective cap rotation set on medical connector, the disinfectant volatilization that sterilization plug is included kills the microorganisms such as the bacterium in medical connector, so as to play the technique effect of sterilization.There is many technical problems in use in the protective cap：First, when protective cap is tilted to horizontal direction, it is easily caused disinfectant and is flowed out from cap body inner chamber, cause inconvenient for use；Secondly; the sterilization plug of the protective cap is made up of the sponge with adsorption function; easily produce tiny chip; the disinfectant of medical connector remained on surface is difficult complete volatilization during use; when the disinfectant and sponge chip of medical connector remained on surface enter blood circulation of human body system through medical connector, serious medical-risk is brought；In addition, the microorganism of attachment easily drops on medical connector surface outside the protective cap connector, cause medical connector secondary pollution.

In summary, traditional disinfectant cap does not simply fail to the completing to sterilize for medical connector of the task, and can bring serious medical-risk.Therefore, medicine equipment research staff needs a kind of safe and reliable medical connector chlorination equipment of research and development.

The content of the invention

The invention reside in providing a kind of safe and reliable medical connector disinfectant cap, the disinfectant cap can not only be carried out disinfection processing to medical connector, and the relatively low technical problem of security that traditional disinfection cap is present is solved again.

It is an object of the invention to provide a kind of disinfectant cap, for being carried out disinfection to medical connector, including cap body and sealing part, the cap body includes cap body connector, cap body bottom and cap body sidewall, the cap body connector includes cap body connector inner edge, the cavity that the cap body bottom and cap body sidewall are surrounded jointly is cap body inner chamber, the cap body inner chamber stores volatile disinfectant, the sealing part closes cap body connector, cap body inner chamber is prevented to be contacted with the external world, also include Obstruct membrane, the Obstruct membrane includes Obstruct membrane outer rim, Obstruct membrane is in integrally the shape of human body eye iris, at cap body connector, Obstruct membrane outer rim is connected with cap body connector inner edge, the barrier center membrane is provided with the through hole for allowing medical connector to pass through, when cap body is tilted to horizontal direction, the Obstruct membrane prevents disinfectant from being flowed out from cap body inner chamber.

The human body eye iris is a part for eye structure, and there are a circular open, referred to as pupil in iris center, and just as the aperture of adjusting among camera, the shape of the Obstruct membrane is just as human body eye iris shape.The medical connector includes clinical joint for respiratory device, indwelling adapter, infusion connector, hose coupling, hard pipe joint, monitor joint, female Luer etc., and above-mentioned joint external diameter is in 1-30 Between mm.The cap body is made of the injection of medical grade plastic material, and the cap body is in the cup-shaped of upper end open inner hollow；The Obstruct membrane is made of the vulcanization of medical-grade rubber material or is made of the injection of medical grade thermoplastic elastomer (TPE) material.The Obstruct membrane is overall to extend to cap body center position, minimum range is more than or equal to 1mm between the Obstruct membrane through hole neighboring and cap body connector inner edge, when cap body to horizontal direction angle of inclination when between 0 ° to 90 °, Obstruct membrane can effectively prevent disinfectant from cap body inner chamber flow out.The centrally disposed through-hole diameter of the Obstruct membrane is not less than 2 mm, and the disinfectant that larger through-hole diameter contributes on Obstruct membrane flows into cap body inner chamber by through hole, and medical connector is also beneficial to certainly and enters cap body inner chamber through through hole.The easily tore film that the sealing part can be made for a kind of medical grade composite, cap body connector top is sealed in using heat seal process or magnetic induction welding procedure, it can also be made for the injection of medical grade plastic material or medical-grade rubber material vulcanizes the part being made, be tightly connected with cap body connector.In use, first remove sealing part, a hand grips medical connector, and another hand grips cap body, and medical connector via through holes are inserted into cap body inner chamber, are infiltrated on inside disinfectant, its surface is carried out disinfection sterilization processing using disinfectant.Now, tilted if grasped by cap body to horizontal direction, angle of inclination is between 0 ° to 90 °, medical connector via through holes more smoothly can be inserted into cap body inner chamber, to make disinfectant can not be flowed out from cap body inner chamber, above-mentioned Obstruct membrane stops that disinfectant passes through at cap body connector, prevents disinfectant from being flowed out from cap body inner chamber.

The thickness of the Obstruct membrane is successively decreased from Obstruct membrane outer rim to center position, Obstruct membrane is to be easy to deformation part to cap body center position projection, when being easy to deformation part and being extruded by medical connector, it is easy to deformation part to bend to cap body bottom direction, when medical connector is detached from cap body inner chamber, it is easy to which deformation part is bent to the opposite direction of cap body bottom.The thickness of the Obstruct membrane outer rim resistivity diaphragm center position is thick, because thicker Obstruct membrane outer rim can support Obstruct membrane overall, it is set to stop that disinfectant passes through at cap body connector, and the Obstruct membrane of center is relatively thin, and medical connector can be made to pass through through hole insertion cap body inner chamber.The thickness of the Obstruct membrane is successively decreased from Obstruct membrane outer rim to center position, Obstruct membrane can be made integrally to have preferably restorative.After medical connector via through holes are detached from cap body inner chamber, it is easy to deformation part to restore to the original state by natural resiliency, the average wall thickness for being easy to deformation part is less than the average wall thickness of Obstruct membrane, help to be easy to the state that deformation part recovers to extend to cap body center position, prevent disinfectant from being flowed out from cap body inner chamber.When medical connector is detached from cap body inner chamber, but the two is not when separating, and the Obstruct membrane lower surface fits with medical connector surface, effectively prevents attached microbial outside cap body connector to drop on medical connector surface.

Radial direction of the Obstruct membrane along cap body connector is provided with least one tear line, and when medical connector via through holes enter cap body inner chamber, Obstruct membrane ftractures along tear line.The tear line surrounds the radial distribution in a ring of cap body center, the tear line can be the multiple circular holes or slot run through on Obstruct membrane, it is in line style after several circular hole or slot connections, when medical connector via through holes enter cap body inner chamber, Obstruct membrane is extruded by medical connector and ftractureed along the tear line of circular hole or slot formation, Obstruct membrane is divided into several piece by tear line, and the tear line is easy to medical connector to enter cap body inner chamber, reduces intake resistance.Certainly, the tear line can also be the multiple abnormity depressions not run through on Obstruct membrane, be in line style after abnormity depression connection, and Obstruct membrane is extruded the tear line formed that is recessed along abnormity by medical connector and ftractureed.

Radial direction of the Obstruct membrane along cap body connector is provided with least one weakness zone, and the wall thickness of the weakness zone is less than the average wall thickness of Obstruct membrane, and when medical connector enters cap body, Obstruct membrane weakness zone is softened.The weakness zone, which is that Obstruct membrane local wall thickness is thinning, to be formed, the weakness zone surrounds the radial distribution in cap body center, the area that weakness zone is covered broadens gradually from Obstruct membrane outer rim to center position, because the wall thickness of weakness zone is less than the average wall thickness of Obstruct membrane, so weakness zone is easier to deform upon, it is easy to medical connector to enter cap body inner chamber, reduces intake resistance.Specifically, when medical connector extrudes Obstruct membrane, it is necessary to during into cap body inner chamber, the weakness zone deforms first, medical connector is made to enter cap body inner chamber through through hole.

The Obstruct membrane is made up of multiple diaphragms, and the diaphragm surrounds cap body connector inner edge arranged distribution.The Obstruct membrane is uniformly distributed by multiple diaphragms around cap body connector inner edge annular, overall is in the shape of human body eye iris, when medical connector via through holes enter cap body inner chamber, the Obstruct membrane of multiple diaphragm compositions is easily separated, and is reduced medical connector and is entered the resistance run into during cap body inner chamber.

Gap is provided between described two adjacent diaphragms of Obstruct membrane, the gap is not more than 1mm.When the Obstruct membrane is made up of multiple diaphragms, gap can be set between two diaphragms, gap is conducive to the resistance run into when reducing medical connector into cap body inner chamber, but gap crosses conference and disinfectant is overflowed from gap, loses the effect that Obstruct membrane prevents disinfectant from being flowed out from cap body inner chamber.So, above-mentioned gap is generally no greater than 1mm, when cap body is tilted to horizontal direction, the disinfectant of cap body inner chamber can not overflow from the gap between two diaphragms, now the surface tension of disinfectant itself, Obstruct membrane to the support force of disinfectant, cap body to the adhesive force between adhesive force, disinfectant and the cap body between the support force, disinfectant and Obstruct membrane of disinfectant, the making a concerted effort of five power it is more than or equal to disinfectant self gravitation, in poised state.

Described two adjacent diaphragms marginal portions of Obstruct membrane are overlapped, and the overlapping part of diaphragm is bonded to each other, when cap body is tilted to horizontal direction, and the diaphragm prevents disinfectant from being flowed out from cap body inner chamber.The Obstruct membrane adjacent diaphragms marginal portion is overlapped, the form of another diaphragm is pushed down using a diaphragm, or a diaphragm pushes down the form of two adjacent diaphragms, when cap body to horizontal direction angle of inclination be 0 ° to 90 ° between when, disinfectant is because gravity flows to Obstruct membrane direction, the overlapping part of adjacent two diaphragm is closer by the extruding laminating of disinfectant gravity, and the prevention disinfectant for causing the Obstruct membrane of multiple diaphragm compositions stable flows out from cap body inner chamber.

The Obstruct membrane includes Obstruct membrane inner edge, and the Obstruct membrane inner edge is extended to cap body bottom direction, and overall is in funnel-form, contributes to the disinfectant of Obstruct membrane upper surface to flow into cap body inner chamber.On the one hand the Obstruct membrane of funnel shaped is conducive to preventing disinfectant from flowing out from cap body inner chamber, on the other hand, for cap body luminal perfusion disinfectant, or disinfectant be located at Obstruct membrane upper surface it is excessive when, cap body is upright, and the Obstruct membrane of funnel shaped contributes to disinfectant via through holes to flow back to cap body inner chamber.

The ventilated membrane of gas-permeable, liquid-impermeable is provided with the connected entrance that cap body inner chamber is connected by the cap body provided with least one with the external world, the connected entrance.The ventilated membrane can be connected using medical grade bonding agent with connected entrance, it can also be connected using welding procedure with connected entrance, it can also be fixed and be pressed on connected entrance using another part, on the one hand the ventilated membrane prevents extraneous bacterium, microorganism from entering cap body inner cavity, on the other hand can promote the volatilization of cap body inner chamber disinfectant.When specifically used, medical connector via through holes enter cap body inner chamber, inside the disinfectant for being infiltrated on cap body inner chamber, disinfectant carries out disinfection sterilization to medical connector, to make disinfectant not remain on medical connector excessively, disinfectant medical connector is carried out disinfection sterilization while, disinfectant itself also evaporate into the external world by connected entrance through ventilated membrane in vapour form, when disinfectant is finally all vapored away, medical connector is in environment that is sterile, drying, and disinfectant cap completes being sterilized for medical connector for task.Set above-mentioned ventilated membrane that the disinfectant of residual can be avoided to enter blood circulation of human body system through medical connector, realize the most important safety in utilization of disinfectant cap.

The disinfectant cap also includes guard block; the guard block is in the tubulose of both ends open inner hollow; outside ventilated membrane, the guard block is used to protect ventilated membrane, it is to avoid ventilated membrane is damaged; the guard block can be the extension of cap body outwards; can also be separate part, and part top is fixedly connected with cap body, component bottom ends are also provided with one layer of netted interlayer; the interlayer protects ventilated membrane, prevents ventilated membrane from damaging.

It is provided with the external sealedly seal member of ventilated membrane outside the ventilated membrane, the seal member prevents cap body inner chamber to be in communication with the outside by connected entrance through ventilated membrane.The seal member is the easily tore film that a kind of medical grade composite is made; it is sealed in using heat seal process or magnetic induction welding procedure on the connected entrance outside ventilated membrane; or the bottom of above-mentioned guard block is sealed in, specifically refer to be enclosed in outside ventilated membrane, prevent it from by disinfectant steam.Before disinfectant cap is not used, the disinfectant of cap body inner chamber can not be volatilized by the ventilated membrane of connected entrance.Certainly, the seal member can also be made of the injection of medical grade plastic material or the vulcanization of medical-grade rubber material is made, and be tightly connected with the connected entrance outside ventilated membrane, or be connected with above-mentioned guard block bottom end seal.

The seal member fractures after being provided with part easy to break, the seal member stress along part easy to break, cap body inner chamber is in communication with the outside by connected entrance through ventilated membrane.The part easy to break is thinning and formed by seal member local wall thickness, hand is somewhat firmly broken seal member, cap body inner chamber is set to be in communication with the outside by connected entrance through ventilated membrane, the setting of the part easy to break can facilitate medical personnel to use disinfectant cap, and the part-structure easy to break is simple, and processing cost is relatively low.

The disinfectant cap also includes seal washer, and the seal washer includes seal washer outer rim and seal washer inner edge, and the seal washer is in hollow and annular, and at cap body connector, seal washer inner edge is contacted with medical connector face seal.

The cap body includes storage tank inner surface provided with the storage tank for accommodating seal washer, the storage tank, and the seal washer outer rim and storage tank inner surface are in sealing contact.The seal washer is conformal to be sealingly fastened in inside storage tank, in order to strengthen the sealing between seal washer and storage tank, the surface that the storage tank is contacted with seal washer is additionally provided with annular protrusion, inside annular protrusion insertion seal washer, coordinates with seal washer interference seal.When medical connector enters cap body inner chamber, seal washer inner edge is contacted with medical connector face seal, prevents cap body inner chamber disinfectant from being flowed out between seal washer inner edge and medical connector.

The storage tank is that cap body side wall inner surfaces cave inward to form annular groove.The storage tank is arranged on cap body side wall inner surfaces, is formed by the ring-shaped depression of cap body side wall inner surfaces, and the seal washer is snapped fit onto inside storage tank, and the sealing formed between storage tank and seal washer coordinates.

The storage tank is that cap body upper surface caves inward to form annular groove.The storage tank is arranged on cap body upper surface, is formed by cap body upper end towards cap body bottom direction ring-shaped depression, and the seal washer is located inside storage tank.

The disinfectant cap also includes fixed component, and the fixed component is located at cap body connector, and at least a portion seal washer is fixed and clamped inside storage tank by fixed component, prevents seal washer from deviating from from cap body inner cavity.When seal washer is located inside the storage tank of cap body upper surface, it is necessary to which fixed component compresses seal washer, prevent seal washer from deviating from.Specifically, when medical connector passes in and out the cap body inner chamber of disinfectant cap, the external force for driving seal washer upper and lower displacement can be produced, sets fixed component to contribute to fixing seal packing ring, prevents seal washer from deviating from.

The Obstruct membrane is connected as a single entity with seal washer, and Obstruct membrane is extension of the seal washer inner peripheral surface to cap body lumen centers direction.The Obstruct membrane is integrated or vulcanized with the injection of both seal washers and is integrated, and connecting as one helps to reduce process in manufacture course of products, reduces cost of goods manufactured.

The Obstruct membrane upper surface and/or seal washer inner peripheral surface are provided with multiple micro-protrusions and/or miniature depression, and the micro-protrusions and/or miniature depression add the area that disinfectant is attached to Obstruct membrane upper surface and/or seal washer inner peripheral surface.The inner surface of the outer surface of the micro-protrusions or miniature depression is attached with disinfectant, the disinfectant plays sterilization to Obstruct membrane upper surface or seal washer inner peripheral surface, when medical connector passes in and out the cap body inner chamber of disinfectant cap, Obstruct membrane upper surface or seal washer inner peripheral surface are sterile, also can not just pollute the surface of medical connector or enter blood circulation of human body system through medical connector.

The cap body sidewall includes cap body side wall inner surfaces, and the cap body side wall inner surfaces are provided with the internal thread being connected with medical connector external screw thread.The internal thread is the outstanding part of cap body sidewall, and in sequential like or discontinuous form, being coordinated using screw thread can make the connection of disinfectant cap and medical connector even closer, reliable.

The cap body inner chamber is provided with partition member, the partition member is extension of the cap body side wall inner surfaces to cap body center position, cap body inner chamber is divided into cap body epicoele and cap body cavity of resorption by partition member, the cap body epicoele stores volatile disinfectant, the cap body cavity of resorption is in communication with the outside by the ventilated membrane on connected entrance, the partition member is provided with weak coupling part, when medical connector screws in cap body inner chamber, the weak coupling part of partition member is connected by external force extrusion fracture, cap body epicoele with cap body cavity of resorption.The weak coupling part is formed for partition member local wall thickness is thinning, and the partition member prevents disinfectant from directly being contacted with ventilated membrane, influences the gas permeability of ventilated membrane, it is to avoid volatilized by connected entrance through ventilated membrane using the prefilled disinfectant in preceding cap body inner chamber.In use, when medical connector via through holes screw in cap body inner chamber, partition member is extruded by medical connector and is broken along weak coupling part, and now disinfectant flows into cap body cavity of resorption by cap body epicoele, and disinfectant can be volatilized by connected entrance through ventilated membrane.

The partition member is oblique, and partition member is provided with weak coupling part close to one end of cap body connector.Due to the limitation of medical connector length, when medical connector via through holes screw in cap body inner chamber, partition member is extruded close to one end of cap body connector by medical connector, along weak coupling part fracture, and the one end of partition member away from cap body connector is not extruded by medical connector, it is connected intact with cap body side wall inner surfaces, the structure design not only increases storage volume of the cap body epicoele to disinfectant, and it is easy to medical connector to extrude partition member, prevent whole partition member from dropping.

The partition member is provided with the projection prominent to cap body connector direction, and the position that the projection is connected with partition member is provided with weak coupling part.Also due to the limitation of medical connector length, the partition member projection shortens distance between medical connector and partition member, when medical connector via through holes screw in cap body inner chamber, the projection is extruded by medical connector, along weak coupling part fracture, the structure design is easy to medical connector to extrude partition member.

The partition member projection is in the cup-shaped of top end opening inner hollow, prominent to cap body connector direction, memory capacity of the raised inner hollow increase cap body inner chamber to disinfectant.The cup-shaped partition member projection further increases the storage volume of disinfectant.

It is raised that the cap body sidewall and/or cap body bottom are extended with liquid storage to cap body center position, liquid storage projection includes liquid storage convex outer surface, the liquid storage convex outer surface and cap body side wall inner surfaces, liquid storage groove is provided between cap body bottom interior surface, the readily volatilized disinfectant of the liquid storage trench storage, when cap body is tilted to horizontal direction, liquid storage groove prevents disinfectant to be flowed out from cap body inner chamber, the now surface tension of disinfectant itself, adhesive force between disinfectant and liquid storage groove, adhesive force between disinfectant and cap body, the making a concerted effort of three power it is more than or equal to disinfectant self gravitation.The liquid storage projection is formed for the part of cap body side wall inner surfaces or cap body bottom interior surface to cap body inner chamber is prominent, naturally it is also possible to formed using depression.Gully between the liquid storage convex outer surface and cap body side wall inner surfaces, cap body bottom interior surface is liquid storage groove, the disinfectant is located at the liquid storage trench interiors, the spacing of the liquid storage groove is smaller to be more conducive to the storage of disinfectant, certainly, distance will be maintained in the range of can storing disinfectant, when cap body is tilted to horizontal direction, the liquid storage groove effectively prevents disinfectant from being flowed out from cap body inner chamber.

The liquid storage groove groove width, which is not more than between 0.8mm, liquid storage groove, to be interconnected.When irrigating disinfectant into liquid storage groove, the connectedness between liquid storage groove makes disinfectant be spread into each liquid storage groove, improves production efficiency.

Technique effect：

The cap body of the disinfectant cap utilizes the structure design of Obstruct membrane, effectively disinfectant is prevented to be flowed out from cap body inner chamber, instead of the effect of sponge in the prior art, it is to avoid sponge chip enters blood circulation of human body system through medical connector, the serious medical risk that chip is brought is eliminated；On the other hand, when medical connector is pulled out inside disinfectant cap, the Obstruct membrane is coated on medical connector surface, slowly delivers to medical connector and is completely disengaged from disinfectant cap, it can so prevent the microorganism of attachment outside cap body connector from dropping on medical connector surface, it is ensured that the sterilization effect of disinfectant cap.

Serious medical-risk can be produced because disinfectant enters blood circulation of human body system through medical connector, so the cap body of disinfectant cap is provided with the ventilative membrane structure of gas-permeable, liquid-impermeable, the ventilated membrane can make the disinfectant of cap body inner cavity evaporate into the external world by ventilated membrane in vapour form, being ordered in the complete situation of guarantee medical connector sterilization, disinfectant is whole to volatilize, the medical connector after sterilization is set to be in environment that is sterile, drying, avoid disinfectant from entering blood circulation of human body system through medical connector, eliminate the serious medical risk that disinfectant is brought.

The cap body inner chamber of the disinfectant cap sets liquid storage groove structure, instead of the liquid storage mode of sponge in the prior art, not only prevents disinfectant from being dripped from cap body inner chamber, and it is possible to prevente effectively from sponge chip enters blood circulation of human body system.

Brief description of the drawings

Fig. 1：Disinfectant cap cutting decomposition texture schematic diagram of the present invention；

Fig. 2：Disinfectant cap perspective cut-away structural representation Fig. 1 of the present invention；

Fig. 3：Disinfectant cap Obstruct membrane perspective cut-away structural representation Fig. 1 of the present invention；

Fig. 4：Disinfectant cap Obstruct membrane perspective cut-away structural representation Fig. 2 of the present invention；

Fig. 5：Disinfectant cap use state biopsy cavity marker devices structural representation Fig. 1 of the present invention；

Fig. 6：Disinfectant cap use state biopsy cavity marker devices structural representation Fig. 2 of the present invention；

Fig. 7：Disinfectant cap Obstruct membrane perspective cut-away structural representation Fig. 3 of the present invention；

Fig. 8：Disinfectant cap sectional perspective cutting decomposition texture schematic diagram 1 of the present invention；

Fig. 9：Disinfectant cap sectional perspective cutting decomposition texture schematic diagram 2 of the present invention；

Figure 10：Disinfectant cap cutting structural representation of the present invention；

Figure 11：Disinfectant cap sectional perspective cutting structural representation Fig. 1 of the present invention；

Figure 12：Disinfectant cap sectional perspective cutting decomposition texture schematic diagram 3 of the present invention；

Figure 13：Disinfectant cap perspective cut-away decomposition texture schematic diagram of the present invention；

Figure 14：Disinfectant cap Obstruct membrane perspective cut-away structural representation Fig. 4 of the present invention；

Figure 15：Disinfectant cap sectional perspective cutting structural representation Fig. 2 of the present invention；

Figure 16：Disinfectant cap perspective cut-away structural representation Fig. 2 of the present invention；

Figure 17：Disinfectant cap perspective cut-away structural representation Fig. 3 of the present invention；

Figure 18：Disinfectant cap perspective cut-away structural representation Fig. 4 of the present invention；

Figure 19：Disinfectant cap perspective cut-away structural representation Fig. 5 of the present invention；

Figure 20:Disinfectant cap perspective cut-away structural representation Fig. 6 of the present invention；

Figure 21:Disinfectant cap perspective cut-away structural representation Fig. 7 of the present invention；

Figure 22:Disinfectant cap structural representation of the present invention；

1. medical connector；11. external screw thread；2. cap body；21. cap body connector；211. cap body connector inner edges；22. cap body bottom；23. cap body sidewall；231. storage tank；2311. storage tank inner surface；2312. annular protrusion；232. cap body side wall inner surfaces；233. internal thread；24. cap body inner chamber；241. partition member；2411. weak coupling part；2412. it is raised；242. cap body epicoeles；243. cap body cavity of resorptions；25. connected entrance；26. liquid storage is raised；261. liquid storage convex outer surfaces；27. cap body upper surface；28. liquid storage groove；281. groove width；3. disinfectant；4. Obstruct membrane；41. through hole；411. through hole edges；42. tear line；43. gap；44. weakness zone；45. it is easy to deformation part；46. diaphragm；47. micro-protrusions；48. miniature depression；49a. Obstruct membrane outer rims；49b. Obstruct membranes inner edge；5. sealing part；51. pulling-on piece；6. ventilated membrane；61. guard block；611. interlayer；7. seal member；71. part easy to break；72. draw ring；8. seal washer；82a. seal washer outer rims；82b. seal washers inner edge；9. fixed component.

Embodiment

Embodiment 1：

As shown in Figure 1, a kind of disinfectant cap, for being carried out disinfection to medical connector 1, including cap body 2 and sealing part 5, the cap body 2 is made of high-density polyethylene material injection, overall is in the cup-shaped of upper end open inner hollow, including cap body connector 21, cap body bottom 22 and cap body sidewall 23, the cap body connector 21 includes cap body connector inner edge 211, the cap body bottom 22 and cap body sidewall 23 surround cap body inner chamber 24 jointly, the alcohol of volatile sterilant 3, specially 75% concentration is provided with cap body inner chamber 24.The sealing part 5 is made of the vulcanization of medical-grade rubber material, sealing part 5 relies on natural resiliency deformation, crush seal is formed with cap body connector inner edge 211, the sealing part 5 is additionally provided with the pulling-on piece 51 conformal with finger, the pulling-on piece 51 is the locally outside extension of the outer rim of sealing part 5.Another scheme, as shown in Fig. 2 the sealing part 5 is easily tears aluminium foil film, the top of cap body connector 21 is sealed in by magnetic induction welding procedure, the sealing part 5 is again provided with the pulling-on piece 51 for being easy to human hand to grip, tears sealing part 5 during convenient use.

As depicted in figs. 1 and 2, the disinfectant cap also includes Obstruct membrane 4, the Obstruct membrane 4 is made of medical grade thermoplastic elastomer (TPE), the overall shape in human body eye iris of Obstruct membrane 4, at cap body connector 21, including Obstruct membrane outer rim 49a and Obstruct membrane inner edge 49b, the center of Obstruct membrane 4 is provided with the through hole 41 for allowing medical connector 1 to pass through.Cap body upper surface 27 in the cap body 2 is caved inward to form ring-shaped groove, and the Obstruct membrane outer rim 49a is contained in groove, and Obstruct membrane outer rim 49a is tightly connected with groove.The Obstruct membrane inner edge 49b integrally extends in funnel-form to the direction of cap body bottom 22, when cap body 2 is in upright position, contributes to the via through holes 41 of disinfectant 3 of the upper surface of Obstruct membrane 4 to flow into cap body inner chamber 24.When using, sealing part 5 is removed, one hand grips medical connector 1, another hand grips cap body 2, cap body 2 is tilted to horizontal direction, when angle of inclination is between 0 ° to 90 °, Obstruct membrane 4 prevents disinfectant 3 from being flowed out from cap body inner chamber 24, then medical connector 1 is inserted inside the disinfectant 3 of cap body inner chamber 24, carries out sterilizing.The through hole 41 is rounded, including through hole edge 411, a diameter of 4mm of the through hole 41, and distance is 2mm between through hole edge 411 and cap body connector inner edge 211, it is adaptable to which external diameter is 6.0mm to 8.5mm medical connector 1.

Embodiment 2：

As shown in Figure 1, a kind of disinfectant cap, for being carried out disinfection to medical connector 1, including cap body 2 and sealing part 5, the cap body 2 is made of the injection of medical grade polypropylene material, overall is in the cup-shaped of upper end open inner hollow, including cap body connector 21, cap body bottom 22 and cap body sidewall 23, the cap body connector 21 includes cap body connector inner edge 211, the cap body sidewall 23 includes cap body side wall inner surfaces 232, the cap body bottom 22 and cap body sidewall 23 surround cap body inner chamber 24 jointly, volatile sterilant 3 is provided with cap body inner chamber 24, the specially isopropanol of 70% concentration.The sealing part 5 is sealed in the top of cap body connector 21 easily to tear aluminium foil film.As shown in Fig. 5, Fig. 6, Figure 12, the cap body side wall inner surfaces 232 are provided with the internal thread 233 being connected with the external screw thread 11 of medical connector 1, the internal thread 233 is in discontinuous form, connected and formed from multiple point-like portions that cap body sidewall 23 protrudes to the center position of cap body inner chamber 24, when the internal thread 233 of discontinuous form is connected with the external screw thread 11 of medical connector 1, desultory interval can be produced, the interval contributes to disinfectant 3 to carry out infiltration sterilization to the external screw thread 11 of medical connector 1.Certainly, the internal thread 233 can also be common sequential like internal thread 233.

As shown in figure 12, the disinfectant cap also includes seal washer 8, the seal washer 8 is made of the vulcanization of medical-grade rubber material, specially medical grade nitrile rubber material is made, the one kind of its shore hardness in 40HA, 60HA, 70HA, the seal washer 8 is in hollow and annular, at cap body connector 21, and seal washer 8 includes seal washer outer rim 82a and seal washer inner edge 82b.Cap body upper surface 27 in the cap body 2 caves inward to form the storage tank 231 of ring-shaped, the storage tank 231 includes storage tank inner surface 2311, the seal washer 8 is conformal to be contained in inside storage tank 231, and the seal washer outer rim 82a and storage tank inner surface 2311 are in sealing contact.The seal washer inner edge 82b relies on natural resiliency deformation, formed and be fitted close with the outer surface of medical connector 1, when medical connector 1 screws in cap body inner chamber 24, seal washer inner edge 82b prevents the disinfectant 3 of cap body inner chamber 24 to be flowed out between seal washer inner edge 82b and the outer surface of medical connector 1.In order to prevent seal washer 8 from deviating from from cap body inner chamber 24, the disinfectant cap also includes fixed component 9, the fixed component 9 is made of the injection of medical grade polypropylene material, overall is in hollow and annular, the lateral wall of fixed component 9 is raised provided with annular sidewall, the side wall of holding tank 231 is provided with the sidewall notches corresponding with projected side wall, and by the mutual male-female engagement of sidewall notches of the projected side wall and storage tank 231 of fixed component 9, seal washer 8 is fixed and clamped inside storage tank 231.The seal washer outer rim 82a upper surfaces cave inward to form the annular recessed circle of receiving fixed component 9.

As shown in Fig. 3 and Figure 12, the disinfectant cap also includes Obstruct membrane 4, the Obstruct membrane 4 is extension of the seal washer inner edge 82b surfaces to the center position of cap body inner chamber 24, the overall shape in human body eye iris of Obstruct membrane 4, including Obstruct membrane outer rim 49a and Obstruct membrane inner edge 49b, the center of Obstruct membrane 4 is provided with the through hole 41 for allowing medical connector 1 to pass through, the through hole 41 includes through hole edge 411, the Obstruct membrane inner edge 49b extends to the center position of cap body inner chamber 24, when cap body 2 tilts 0 ° to 90 ° to horizontal direction, Obstruct membrane 4 prevents disinfectant 3 from being flowed out from cap body inner chamber 24.As shown in fig. 7, the through hole 41 is in corrugated, the through hole edge 411 is similarly corrugated, a diameter of 5mm of the through hole 41, and distance is 1.5mm between through hole edge 411 and cap body connector inner edge 211, it is adaptable to which external diameter is 6.0mm to 8.5mm medical connector 1.

As shown in Figure 3, in order to reduce the resistance that the via through holes 41 of medical connector 1 enter cap body inner chamber 24, the Obstruct membrane 4 is made up of multiple diaphragms 46, the multiple diaphragm 46 surrounds the arranged distribution of cap body connector inner edge 211, overall is in the shape of human body eye iris, the Obstruct membrane 4 that multiple diaphragms 46 are constituted is easier to strut, and reduces intake resistance.Gap 43 is provided between described 4 two adjacent diaphragms 46 of Obstruct membrane, the gap 43 is 1mm.When cap body 2 tilts 0 ° to 90 ° to horizontal direction, due to the now surface tension of disinfectant 3 itself, Obstruct membrane 4 to the support force of disinfectant 3, cap body 2 to the adhesive force between adhesive force, disinfectant 3 and the cap body 2 between the support force, disinfectant 3 and Obstruct membrane 4 of disinfectant 3, the making a concerted effort of five power it is more than or equal to the self gravitation of disinfectant 3, so disinfectant 3 can not pass through in the middle of the gap 43 of Obstruct membrane 4.

Embodiment 3:

As shown in figure 13, a kind of disinfectant cap, for being carried out disinfection to medical connector 1, including cap body 2 and sealing part 5, the cap body 2 is made of medical grade polypropylene material injection, overall is in the cup-shaped of upper end open inner hollow, including cap body connector 21, cap body bottom 22 and cap body sidewall 23, the cap body connector 21 includes cap body connector inner edge 211, the cap body sidewall 23 includes cap body side wall inner surfaces 232, the cap body bottom 22 and cap body sidewall 23 surround cap body inner chamber 24 jointly, volatile sterilant 3 is provided with cap body inner chamber 24, the specially alcohol of 75% concentration or the isopropanol of 70% concentration, volatile sterilant 3 is accounted between the 30%-80% of the volume of cap body inner chamber 24.The sealing part 5 is easily to tear aluminium foil film, the top of cap body connector 21 is sealed in by magnetic induction welding procedure, sealing part 5 is gripped for the ease of human hand, the sealing part 5 is provided with the pulling-on piece 51 conformal with finger, and the pulling-on piece 51 is that the outer rim of sealing part 5 locally stretches out.As shown in figure 13, the cap body side wall inner surfaces 232 are provided with the internal thread 233 being connected with the external screw thread 11 of medical connector 1, cooperated, be fixed on using medical connector 1 inside cap body inner chamber 24 by external screw thread 11 and internal thread 233, prevent medical connector 1 from deviating from out of cap body inner chamber 24.For ease of gripping cap body 2, the outer surface of cap body sidewall 23 is provided with anti-slip veins, and the anti-slip veins are that the outer surface of cap body sidewall 23 increases the rough lines of frictional force.Do frosted or blasting treatment, the skid resistance of the outer surface of enhancing cap body sidewall 23 in another scheme, the outer surface of cap body sidewall 23.

As shown in figure 13, the disinfectant cap also includes seal washer 8, the seal washer 8 is made of the vulcanization of medical-grade rubber material, specially medical grade silicon rubber material is made, its shore hardness is a kind of in 30HA, 45HA, 60HA, the seal washer 8 is in hollow and annular, at cap body connector 21, and seal washer 8 includes seal washer outer rim 82a and seal washer inner edge 82b.Cap body upper surface 27 in the cap body 2 caves inward to form the storage tank 231 of ring-type, the storage tank 231 includes storage tank inner surface 2311, the seal washer 8 is conformal to be contained in inside storage tank 231, and seal washer outer rim 82a and storage tank inner surface 2311 are in sealing contact.The seal washer inner edge 82b relies on natural resiliency deformation, crush seal is formed with the outer surface of medical connector 1, when medical connector 1 screws in cap body inner chamber 24, the disinfectant 3 inside cap body inner chamber 24 is prevented to be flowed out between seal washer inner edge 82b and the outer surface of medical connector 1.In order to prevent seal washer 8 from deviating from from cap body inner chamber 24, the disinfectant cap also includes fixed component 9, the fixed component 9 is made of medical grade polypropylene material injection, overall is in hollow and annular, the lower surface of fixed component 9 is locally outwardly to form raised, the projection is provided with welding bar, welding bar angle is specially 45 °, 60 °, one kind in 90 ° or 120 °, the fixed component 9 is fixedly connected by ultrasonic welding process with the bottom surface of storage tank inner surface 2311, seal washer 8 is fixed and clamped inside storage tank 231, prevent seal washer 8 from deviating from from cap body inner chamber 24.The seal washer outer rim 82a upper surfaces cave inward to form ring-shaped groove, the fixed component 9 is contained in seal washer outer rim 82a grooves, and seal washer outer rim 82a channel bottoms are provided with the through hole for allowing the projection of fixed component 9 to pass through seal washer outer rim 82a.In order to strengthen sealing between seal washer 8 and storage tank 231, the bottom surface of storage tank inner surface 2311 is additionally provided with annular protrusion 2312, and the annular protrusion 2312 is coordinated with the lower surface of seal washer 8 using linear sealing form interference seal.

As shown in Figure 3, the disinfectant cap also includes Obstruct membrane 4, the Obstruct membrane 4 is extension of the seal washer inner edge 82b surfaces to the center position of cap body inner chamber 24, Obstruct membrane 4 is integrally formed with seal washer 8, the overall shape in human body eye iris of Obstruct membrane 4, including Obstruct membrane outer rim 49a and Obstruct membrane inner edge 49b, the center of Obstruct membrane 4 is provided with the through hole 41 for allowing medical connector 1 to pass through, the through hole 41 is in petal, including through hole edge 411, the a diameter of 5mm of the through hole 41, distance is 1.5mm between through hole edge 411 and cap body connector inner edge 211, suitable for the medical connector 1 that external diameter is 6.0mm to 8.5mm.

As shown in Fig. 5, Fig. 6, Fig. 7, the Obstruct membrane inner edge 49b integrally extends in funnel-form to the direction of cap body bottom 22, when cap body 2 is in upright position, contributes to the via through holes 41 of disinfectant 3 of the upper surface of Obstruct membrane 4 to flow into cap body inner chamber 24.The average thickness of the Obstruct membrane 4 is 0.3mm, the thickness of Obstruct membrane 4 is successively decreased from Obstruct membrane outer rim 49a to center position, Obstruct membrane 4 is to be easy to deformation part 45 to the center position projection of cap body 2, the wall thickness for being easy to deformation part 45 is less than the average wall thickness of Obstruct membrane 4, help to be easy to deformation part 45 to be deformed upon by the extruding of medical connector 1, the wall thickness of the Obstruct membrane outer rim 49a is more than the average wall thickness of Obstruct membrane 4, stretching is contributed to be easy to deformation part 45, the state for making it recover to extend to the center position of cap body 2.When using, sealing part 5 is removed, one hand grips medical connector 1, another hand grips cap body 2, cap body 2 is tilted to horizontal direction, angle of inclination is between 0 ° to 90 °, now Obstruct membrane 4 prevents disinfectant 3 from being flowed out from cap body inner chamber 24, when the via through holes 41 of medical connector 1 screw in cap body inner chamber 24, it is easy to which deformation part 45 is pressed against the direction of cap body bottom 22 by medical connector 1 and bent；When the via through holes 41 of medical connector 1 are screwed out from cap body inner chamber 24, drive and be easy to opposite direction bending of the deformation part 45 to cap body bottom 22, now the lower surface of Obstruct membrane 4 fits with the surface of medical connector 1, effectively prevents the outside attached microbial of cap body connector 21 to drop on the surface of medical connector 1；After the via through holes 41 of medical connector 1 are screwed out from cap body inner chamber 24, it is easy to which deformation part 45 restores to the original state by natural resiliency.

As shown in Fig. 3 and Figure 13, in order to reduce the resistance when via through holes 41 of medical connector 1 enter cap body inner chamber 24, the Obstruct membrane 4 is made up of multiple diaphragms 46, the multiple diaphragm 46 surrounds the arranged distribution of cap body connector inner edge 211, overall is in the shape of human body eye iris, the Obstruct membrane 4 that multiple diaphragms 46 are constituted is easier to strut, and reduces intake resistance.Gap 43 is provided between described 4 two adjacent diaphragms 46 of Obstruct membrane, the gap 43 is 1mm.When cap body 2 tilts 0 ° to 90 ° to horizontal direction, due to the now surface tension of disinfectant 3 itself, Obstruct membrane 4 to the support force of disinfectant 3, cap body 2 to the adhesive force between adhesive force, disinfectant 3 and the cap body 2 between the support force, disinfectant 3 and Obstruct membrane 4 of disinfectant 3, the making a concerted effort of five power it is more than or equal to the self gravitation of disinfectant 3, the disinfectant 3 can not flow out from the gap 43 of Obstruct membrane 4.Another scheme, as shown in Figure 4, the marginal portion of 4 two adjacent diaphragms 46 of Obstruct membrane is overlapped, the overlapping part of diaphragm 46 is bonded to each other, laminating type is specially that an edge upper surface of diaphragm 46 is fitted with the rim under surface of adjacent diaphragms 46, it can also be fitted for an edge one end upper surface of diaphragm 46 with the rim under surface of adjacent diaphragms 46, other end lower surface is fitted with the edge upper surface of adjacent diaphragms 46, when cap body connector 21 tilts 0 ° to 90 ° to horizontal direction, the Obstruct membrane 4 not only prevents disinfectant 3 from being flowed out from cap body inner chamber 24, the diaphragm 46 of Obstruct membrane 4 part overlapping with diaphragm 46 is closer by the extruding laminating of the gravity of disinfectant 3, further disinfectant 3 is prevented to be flowed out from cap body inner chamber 24.

As shown in figure 14, the upper surface of Obstruct membrane 4 is provided with multiple micro-protrusions 47 and miniature depression 48, the seal washer inner edge 82b surfaces are provided with multiple micro-protrusions 47 and miniature depression 48, the micro-protrusions 47 are the outwardly outwardly part in part and seal washer inner edge 82b surfaces in the upper surface of Obstruct membrane 4, the miniature depression 48 is the part that the part and seal washer inner edge 82b surfaces that the upper surface of Obstruct membrane 4 caves inward cave inward, the micro-protrusions 47, miniature depression 48 adds disinfectant 3 and is attached to the area of the upper surface of Obstruct membrane 4 and the area on seal washer inner edge 82b surfaces.When cap body 2 to horizontal direction angle of inclination more than 90 ° when, the via through holes 41 of disinfectant 3 inside cap body inner chamber 24 are flowed between the upper surface of Obstruct membrane 4 and sealing part 5 in lacuna；When cap body 2 is upright, now disinfectant 3 is back to the bottom of cap body inner chamber 24, part disinfectant 3 can be attached to the upper surface of Obstruct membrane 4 and seal washer inner edge 82b surfaces, sterilization is played to the upper surface of Obstruct membrane 4 and seal washer inner edge 82b surfaces, prevents the outside attached microbial of cap body connector 21 from dropping on the surface of medical connector 1.

As shown in Fig. 9 and Figure 13, the cap body bottom 22 is provided with the connected entrance 25 that cap body inner chamber 24 is connected with the external world, the ventilated membrane 6 of gas-permeable, liquid-impermeable is provided with the connected entrance 25, the ventilated membrane 6 is the PTFE film with specific coatings, it is fixedly connected using welding procedure with connected entrance 25, the disinfectant 3 that the ventilated membrane 6 can make cap body inner chamber 24 prefilled is volatilized by vapor form, medical connector 1 is set to be in sterile, dry environment, the ventilated membrane 6 prevents external microbe, bacterium from entering cap body inner chamber 24 in addition.In order to avoid ventilated membrane 6 is damaged; the disinfectant cap also includes guard block 61, and the guard block 61 is made of the injection of medical grade polypropylene material, in the tubulose of both ends open inner hollow; the top of guard block 61 is fixedly connected with cap body bottom 22, bottom opening.The top of guard block 61 is provided with welding bar, and welding bar angle is specially one kind in 45 °, 60 °, 90 ° or 120 °, and the top of guard block 61 is sealedly and fixedly connected with cap body bottom 22 using ultrasonic welding process.In addition, groove of the cap body bottom 22 provided with the welding bar for accommodating guard block 61, is easy to guard block 61 to assemble and position.In order to avoid being volatilized using the prefilled disinfectant 3 in preceding cap body inner chamber 24 by connected entrance 25 through ventilated membrane 6; the disinfectant cap also includes seal member 7; the seal member 7 is overall in elongate shape, and the specially bottom of guard block 61 is downwardly extending, can be by the bottom end closure of guard block 61.The seal member 7 is connected position with guard block 61 provided with part 71 easy to break, and the part 71 easy to break is formed for the local wall thickness of seal member 7 is thinning.When using, hand forces in seal member 7, and the seal member 7 can fracture along part 71 easy to break, cap body inner chamber 24 is in communication with the outside by connected entrance 25 through ventilated membrane 6, the disinfectant 3 of vapor form evaporate into the external world by connected entrance 25 through ventilated membrane 6, it is to avoid disinfectant 3 is remained on medical connector 1.

Embodiment 4:

As shown in Figure 2, a kind of disinfectant cap, for being carried out disinfection to medical connector 1, including cap body 2 and sealing part 5, the cap body 2 is made of medical grade polypropylene material injection, overall is in the cup-shaped of upper end open inner hollow, including cap body connector 21, cap body bottom 22 and cap body sidewall 23, the cap body connector 21 includes cap body connector inner edge 211, the cap body sidewall 23 includes cap body side wall inner surfaces 232, the cap body bottom 22 and cap body sidewall 23 surround cap body inner chamber 24 jointly, volatile sterilant 3 is provided with cap body inner chamber 24, the specially alcohol of 75% concentration or the isopropanol of 70% concentration, volatile sterilant 3 accounts for the 60% of the volume of cap body inner chamber 24.The sealing part 5 is easily tears aluminium foil film, and the sealing part 5 is sealed in the top of cap body connector 21, and sealing part 5 is provided with pulling-on piece 51.As shown in figure 12, the cap body side wall inner surfaces 232 are provided with the internal thread 233 being connected with the external screw thread 11 of medical connector 1.

As shown in figure 12, the disinfectant cap also includes seal washer 8, and the seal washer 8 is made of the vulcanization of medical grade silicon rubber material, and the seal washer 8 is in hollow and annular, at cap body connector 21, seal washer 8 includes seal washer outer rim 82a and seal washer inner edge 82b.The cap body upper surface 27 of the cap body 2 is provided with storage tank 231, and the seal washer 8 is conformal to be contained in inside storage tank 231, and seal washer outer rim 82a and storage tank inner surface 2311 are in sealing contact.The seal washer inner edge 82b is sealed with the outer surface of medical connector 1 to be coordinated, and when medical connector 1 screws in cap body inner chamber 24, prevents the disinfectant 3 of cap body inner chamber 24 to be flowed out between seal washer inner edge 82b and the outer surface of medical connector 1.In order to prevent seal washer 8 from deviating from from cap body inner chamber 24, the disinfectant cap also includes fixed component 9, the fixed component 9 is made of medical grade polypropylene material injection, overall is in hollow and annular, the fixed component 9 is fixedly connected with storage tank 231 by concave-convex fit structure, seal washer 8 is fixed and clamped in storage tank 231, prevents seal washer 8 from deviating from from the inside of cap body inner chamber 24.

The disinfectant cap also includes Obstruct membrane 4, the Obstruct membrane 4 is extension of the seal washer inner edge 82b surfaces to the center position of cap body inner chamber 24, Obstruct membrane 4 is integrally formed with seal washer 8, the overall shape in human body eye iris of Obstruct membrane 4, including Obstruct membrane outer rim 49a and Obstruct membrane inner edge 49b, the center of Obstruct membrane 4 is provided with the through hole 41 for allowing medical connector 1 to pass through, the a diameter of 6mm of the through hole 41, distance is 1.5mm between through hole edge 411 and cap body connector inner edge 211, it is adaptable to which external diameter is 6.0mm to 8.5mm medical connector 1.In use, by cap body 2 to horizontal direction tilt 0 ° to 90 ° between when, the Obstruct membrane 4 prevents disinfectant 3 from being flowed out from cap body inner chamber 24.

As shown in Figure 3, enter the resistance of cap body inner chamber 24 to reduce the via through holes 41 of medical connector 1, radial direction of the Obstruct membrane 4 along cap body connector 21 is provided with tear line 42, tear line 42 is distributed around the center annular of cap body 2, tear line 42 is the multiple miniature circular holes run through on Obstruct membrane 4, it is in line style after several miniature circular hole connections, when the via through holes 41 of medical connector 1 screw in cap body inner chamber 24, Obstruct membrane 4 is extruded by medical connector 1 and ftractureed along tear line 42,4 points by Obstruct membrane of tear line 42 is several piece, make Obstruct membrane 4 be easier to strut, reduce intake resistance.Another scheme, the tear line 42 is the multiple miniature slots run through on Obstruct membrane 4, is in line style after several miniature slot connections.

As shown in Fig. 8, Figure 10, the cap body bottom 22 is provided with the connected entrance 25 that cap body inner chamber 24 is connected with the external world, the ventilated membrane 6 of gas-permeable, liquid-impermeable is provided with the connected entrance 25, the ventilated membrane 6 is the PTFE film with specific coatings, is connected using welding procedure with connected entrance 25.In order to avoid ventilated membrane 6 is damaged, it is additionally provided with guard block 61, the guard block 61 is in the tubulose of both ends open inner hollow, for the extension that cap body bottom 22 is outside, in order to avoid being vapored away using the disinfectant 3 inside preceding cap body inner chamber 24 by connected entrance 25 through ventilated membrane 6, the outside of ventilated membrane 6 is provided with seal member 7 of the ventilated membrane 6 to outer closure, the seal member 7 is easily to tear aluminium foil film, the bottom of guard block 61 is sealed in by magnetic induction welding procedure, use for convenience, the seal member 7 and sealing part 5 are connected as one by draw ring 72, when using, pulling-on piece 51 only need to be pulled, sealing part 5 and seal member 7 are torn simultaneously, cap body inner chamber 24 is in communication with the outside by connected entrance 25, cap body connector 21 is opened, disinfectant cap can be used.

As shown in figure 15, in order to avoid passing through connected entrance 25 and the Long Term Contact of ventilated membrane 6 using the prefilled disinfectant 3 in preceding cap body inner chamber 24, influence the permeability of ventilated membrane 6, the cap body inner chamber 24 is provided with partition member 241, the partition member 241 is horizontal, the partition member 241 is extension of the cap body side wall inner surfaces 232 to the center position of cap body 2, cap body inner chamber 24 is divided into cap body epicoele 242 and cap body cavity of resorption 243 by partition member 241, the cap body epicoele 242 stores volatile disinfectant 3, the connected entrance 25 is located at cap body cavity of resorption 243, ventilated membrane 6 can make cap body cavity of resorption 243 be in communication with the outside.When using, for the ease of medical connector 1 by the extrusion fracture of partition member 241, cap body epicoele 242 is stored disinfectant 3 and flow into cap body cavity of resorption 243, the partition member 241 is provided with weak coupling part 2411, the weak coupling part 2411 is located at the center of partition member 241, is formed by the local wall thickness of partition member 241 is thinning.

Another scheme, in order to increase cap body epicoele 242 to the storage volume of disinfectant 3, make the smoothly extruding partition member 241 of medical connector 1, as shown in figure 16, the partition member 241 is oblique, partition member 241 is provided with weak coupling part 2411 close to one end of cap body connector 21, and the weak coupling part 2411, which is that the local wall thickness of partition member 241 is thinning, to be formed.When medical connector 1 screws in cap body inner chamber 24, because partition member 241 is nearer apart from medical connector 1 close to one end of cap body connector 21, it is first subjected to medical connector 1 to extrude, partition member 241 is broken along weak coupling part 2411, and disinfectant 3 flows into cap body cavity of resorption 243 by cap body epicoele 242；Due to partition member 241 away from the one end of cap body connector 21 apart from medical connector 1 farther out, medical connector 1 is not affected by extrude, partition member 241 is connected intact away from the one end of cap body connector 21 with cap body side wall inner surfaces 232, prevents whole partition member 241 from falling into cap body cavity of resorption 243.

Another scheme, in order to increase cap body epicoele 242 to the storage volume of disinfectant 3, make the smoothly extruding partition member 241 of medical connector 1, as shown in figure 17, the partition member 241 is provided with the projection 2412 prominent to the direction of cap body connector 21, described raised 2412 are located at the center of partition member 241, the projection 2412 is in the inverted cup-shaped that the upper surface of partition member 241 is protruded, the position that the projection 2412 is connected with partition member 241 is provided with weak coupling part 2411, and the weak coupling part 2411, which is that the local wall thickness of partition member 241 is thinning, to be formed.The projection 2412 of partition member 241 shortens distance between medical connector 1 and partition member 241, when medical connector 1 screws in cap body inner chamber 24, the projection 2412 is extruded by medical connector 1, partition member 241 is broken along weak coupling part 2411, and disinfectant 3 flows into cap body cavity of resorption 243 by cap body epicoele 242.As shown in figure 18, the cup-shaped of the described raised 2412 upright settings protruded in the upper surface of partition member 241, the cup chamber of upright cup-shaped is conducive to increasing the capacity that cap body epicoele 242 stores disinfectant 3.As shown in figure 19, described raised 2412 are the inverted cup-shaped of the upper surface of partition member 241 protrusion, and are provided with pit at cup bottom, and the pit can further increase cap body epicoele 242 to the storage volume of disinfectant 3.

Embodiment 5:

As shown in Figure 2, a kind of disinfectant cap, for being carried out disinfection to medical connector 1, including cap body 2 and sealing part 5, the cap body 2 is made of medical grade polypropylene material injection, overall is in the cup-shaped of upper end open inner hollow, including cap body connector 21, cap body bottom 22 and cap body sidewall 23, the cap body connector 21 includes cap body connector inner edge 211, the cap body sidewall 23 includes cap body side wall inner surfaces 232, the cap body bottom 22 and cap body sidewall 23 surround cap body inner chamber 24 jointly, volatile sterilant 3 is provided with cap body inner chamber 24, the specially alcohol of 75% concentration or the isopropanol of 70% concentration, volatile sterilant 3 accounts for the 70% of the volume of cap body inner chamber 24.The sealing part 5 is easily tears aluminium foil film, and the sealing part 5 is sealed in the top of cap body connector 21.As shown in figure 12, the cap body side wall inner surfaces 232 are provided with the internal thread 233 being connected with the external screw thread 11 of medical connector 1.

As shown in Figure 10, the disinfectant cap also includes seal washer 8, and the seal washer 8 is made of the vulcanization of medical grade silicon rubber material, and the seal washer 8 is in hollow and annular, at cap body connector 21.The inner surface of cap body sidewall 23 is caved inward to form the storage tank 231 of ring-shaped, and the seal washer 8 is contained in inside storage tank 231.There is certain interval between seal washer 8 and storage tank 231 in Figure 10, mainly for more obviously showing storage tank 231, seal washer 8 in figure, seal washer 8 should be interference type with storage tank 231 and be tightly connected in practice.

The disinfectant cap also includes Obstruct membrane 4, the overall shape in human body eye iris of Obstruct membrane 4, the center of Obstruct membrane 4 is provided with the through hole 41 for allowing medical connector 1 to pass through, the a diameter of 7mm of the through hole 41, distance is 1mm between through hole edge 411 and cap body connector inner edge 211, it is adaptable to which external diameter is 6.0mm to 8.5mm medical connector 1.In use, when cap body 2 is tilted between 0 ° to 90 ° to horizontal direction, the Obstruct membrane 4 prevents disinfectant 3 from being flowed out from cap body inner chamber 24.

As shown in Figure 3, radial direction of the Obstruct membrane 4 along cap body connector 21 is provided with weakness zone 44, weakness zone 44 is distributed around the center annular of cap body 2, the weakness zone 44 is formed by the local wall thickness of Obstruct membrane 4 is thinning, the wall thickness of weakness zone 44 is less than the average wall thickness of Obstruct membrane 4, and weakness zone 44 is easier to deform upon, when screwing in cap body inner chamber 24 so as to the via through holes 41 of medical connector 1, Obstruct membrane 4 is easily softened, and reduces the resistance entered.

As shown in figure 11, the cap body sidewall 23 is provided with the connected entrance 25 that cap body inner chamber 24 is connected with the external world, the ventilated membrane 6 of gas-permeable, liquid-impermeable is provided with the connected entrance 25, the ventilated membrane 6 is the PTFE film with specific coatings, is connected using welding procedure with connected entrance 25.In order to avoid ventilated membrane 6 is damaged, in addition to guard block 61, the guard block 61 is in the tubulose of both ends open inner hollow, and the one end of guard block 61 is fixedly connected with the outer surface of cap body sidewall 23 by concave-convex fit structure, other end opening.In order to further prevent ventilated membrane 6 from damaging, the described opening of guard block 61 one end is provided with netted interlayer 611, and the interlayer 611 can effectively prevent ventilated membrane 6 from damaging.In order to avoid being vapored away using the prefilled disinfectant 3 in preceding cap body inner chamber 24 by connected entrance 25 through ventilated membrane 6, the outside of ventilated membrane 6 is provided with seal member 7 of the ventilated membrane 6 to outer closure, and the seal member 7 is easily to tear aluminium foil film.

As shown in figure 11, in order to avoid passing through connected entrance 25 and the Long Term Contact of ventilated membrane 6 using the prefilled disinfectant 3 in preceding cap body inner chamber 24, influence the using effect of ventilated membrane 6 and function, the cap body inner chamber 24 is provided with partition member 241, the partition member 241 is horizontal, cap body inner chamber 24 is divided into cap body epicoele 242 and cap body cavity of resorption 243 by partition member 241, and the cap body epicoele 242 stores volatile disinfectant 3, and the connected entrance 25 is located at cap body cavity of resorption 243.

When cap body 2 to horizontal direction angle of inclination more than 90 ° when, in order to which secondary barrier film 4 prevents the disinfectant 3 of cap body inner chamber 24 from flowing out, as shown in figure 20, the cap body sidewall 23 and cap body bottom 22 are extended with multiple liquid storage projections 26 to the center position of cap body 2, the liquid storage projection 26 is the part that cap body side wall inner surfaces 232 and the inner surface of cap body bottom 22 protrude to the center of cap body 2, liquid storage projection 26 includes liquid storage convex outer surface 261, the liquid storage convex outer surface 261 and cap body side wall inner surfaces 232, liquid storage groove 28 is provided between the inner surface of cap body bottom 22, or liquid storage groove 28 is provided between two liquid storage convex outer surfaces 261.The groove width 281 of liquid storage groove 28 is 0.8mm, specifically, the groove width 281 of liquid storage groove 28 is distance most wide between two neighboring liquid storage convex outer surface 261, or be distance most wide between cap body side wall inner surfaces 232 and adjacent liquid storage convex outer surface 261, the readily volatilized disinfectant 3 of the memory storage of liquid storage groove 28.When cap body 2 to horizontal direction angle of inclination more than 90 ° when, due to the surface tension of itself of disinfectant 3, adhesive force between disinfectant 3 and liquid storage groove 28, adhesive force between disinfectant 3 and cap body 2, the making a concerted effort of three power it is more than or equal to the self gravitation of disinfectant 3, can effectively prevents disinfectant 3 to be flowed out from cap body inner chamber 24.Another scheme, as shown in figure 21, the cap body sidewall 23 is extended with multiple liquid storage projections 26 to the center position of cap body 2, the liquid storage projection 26 is the part that cap body side wall inner surfaces 232 are protruded to the center of cap body 2, disinfectant 3 can be stored between liquid storage projection 26 and the inner surface of cap body bottom 22, the liquid storage projection 26, which is formed, stops grid, prevents disinfectant 3 from being flowed out from cap body inner chamber 24.Liquid storage projection 26 includes liquid storage convex outer surface 261, liquid storage groove 28 is provided between the liquid storage convex outer surface 261 and cap body side wall inner surfaces 232, the inner surface of cap body bottom 22, the groove width 281 of liquid storage groove 28 is 0.8mm, the readily volatilized disinfectant 3 of the memory storage of liquid storage groove 28.As shown in figure 22, for the ease of irrigating volatile sterilant 3, the liquid storage projection 26 and the raised 26 spaced distributions of liquid storage to cap body inner chamber 24, make to be interconnected between liquid storage groove 28.When irrigating disinfectant 3 into cap body inner chamber 24, the disinfectant 3 of injection improves the production efficiency of disinfectant cap to each diffusion inside of liquid storage groove 28.

Claims

1. a kind of disinfectant cap, for medical connector（1）Carry out disinfection, including cap body（2）And sealing part（5）, the cap body（2）Including cap body connector（21）, cap body bottom（22）With cap body sidewall（23）, the cap body connector（21）Including cap body connector inner edge（211）, the cap body bottom（22）With cap body sidewall（23）The cavity surrounded jointly is cap body inner chamber（24）, the cap body inner chamber（24）Store volatile disinfectant（3）, the sealing part（5）Close cap body connector（21）, prevent cap body inner chamber（24）Contacted with the external world, it is characterised in that also including Obstruct membrane（4）, the Obstruct membrane（4）Including Obstruct membrane outer rim（49a）, Obstruct membrane（4）Overall is in the shape of human body eye iris, positioned at cap body connector（21）Place, Obstruct membrane outer rim（49a）With cap body connector inner edge（211）Connection, the Obstruct membrane（4）Center is provided with permission medical connector（1）The through hole passed through（41）, work as cap body（2）When being tilted to horizontal direction, the Obstruct membrane（4）Prevent disinfectant（3）From cap body inner chamber（24）Outflow.

2. disinfectant cap according to claim 1, it is characterised in that the Obstruct membrane（4）Thickness by Obstruct membrane outer rim（49a）Successively decrease to center position, Obstruct membrane（4）To cap body（2）Center position projection is to be easy to deformation part（45）, when being easy to deformation part（45）By medical connector（1）During extruding, it is easy to deformation part（45）To cap body bottom（22）Direction is bent, and works as medical connector（1）From cap body inner chamber（24）When detaching, it is easy to deformation part（45）To cap body bottom（22）Opposite direction bending.

3. disinfectant cap according to claim 2, it is characterised in that the Obstruct membrane（4）Along cap body connector（21）Radial direction be provided with least one tear line（42）, medical connector（1）Via through holes（41）Into cap body inner chamber（24）When, Obstruct membrane（4）Along tear line（42）Cracking.

4. disinfectant cap according to claim 2, it is characterised in that the Obstruct membrane（4）Along cap body connector（21）Radial direction be provided with least one weakness zone（44）, the weakness zone（44）Wall thickness be less than Obstruct membrane（4）Average wall thickness, medical connector（1）Into cap body（2）When, Obstruct membrane（4）Weakness zone（44）It is softened.

5. disinfectant cap according to claim 2, it is characterised in that the Obstruct membrane（4）By multiple diaphragms（46）Composition, the diaphragm（46）Around cap body connector inner edge（211）Arranged distribution.

6. disinfectant cap according to claim 5, it is characterised in that the Obstruct membrane（4）Two adjacent diaphragms（46）Between be provided with gap（43）, the gap（43）No more than 1mm.

7. disinfectant cap according to claim 5, it is characterised in that the Obstruct membrane（4）Two adjacent diaphragms（46）Marginal portion is overlapped, diaphragm（46）Overlapping part is bonded to each other, works as cap body（2）When being tilted to horizontal direction, the diaphragm（46）Prevent disinfectant（3）From cap body inner chamber（24）Outflow.

8. disinfectant cap according to claim 6, it is characterised in that the Obstruct membrane（4）Including Obstruct membrane inner edge（49b）, the Obstruct membrane inner edge（49b）To cap body bottom（22）Direction is extended, and overall is in funnel-form, contributes to Obstruct membrane（4）The disinfectant of upper surface（3）Flow into cap body inner chamber（24）.

9. according to any described disinfectant caps of claim 1-8, it is characterised in that the cap body（2）At least one is provided with by cap body inner chamber（24）The connected entrance being connected with the external world（25）, the connected entrance（25）Ventilated membrane of the place provided with gas-permeable, liquid-impermeable（6）.

10. disinfectant cap according to claim 9, it is characterised in that the ventilated membrane（6）Outside is provided with ventilated membrane（6）External sealedly seal member（7）, the seal member（7）Prevent cap body inner chamber（24）Pass through connected entrance（25）Through ventilated membrane（6）It is in communication with the outside.

11. disinfectant cap according to claim 10, it is characterised in that the seal member（7）It is provided with part easy to break（71）, the seal member（7）Along part easy to break after stress（71）Fracture, make cap body inner chamber（24）Pass through connected entrance（25）Through ventilated membrane（6）It is in communication with the outside.

12. disinfectant cap according to claim 11, it is characterised in that also including seal washer（8）, the seal washer（8）Including seal washer outer rim（82a）With seal washer inner edge（82b）, the seal washer（8）In hollow and annular, positioned at cap body connector（21）Place, seal washer inner edge（82b）With medical connector（1）Face seal is contacted.

13. disinfectant cap according to claim 12, it is characterised in that the cap body（2）Provided with receiving seal washer（8）Storage tank（231）, the storage tank（231）Including storage tank inner surface（2311）, the seal washer outer rim（82a）With storage tank inner surface（2311）It is in sealing contact.

14. disinfectant cap according to claim 13, it is characterised in that the storage tank（231）For cap body side wall inner surfaces（232）Cave inward to form annular groove.

15. disinfectant cap according to claim 13, it is characterised in that the storage tank（231）For cap body upper surface（27）Cave inward to form annular groove.

16. disinfectant cap according to claim 15, it is characterised in that also including fixed component（9）, the fixed component（9）Positioned at cap body connector（21）Place, fixed component（9）By at least a portion seal washer（8）It is fixed and clamped in storage tank（231）Inside, prevents seal washer（8）From cap body inner chamber（24）Inside abjection.

17. disinfectant cap according to claim 16, it is characterised in that the Obstruct membrane（4）With seal washer（8）It is connected as a single entity, Obstruct membrane（4）For seal washer inner edge（82b）Surface is to cap body inner chamber（24）The extension of center position.

18. disinfectant cap according to claim 17, it is characterised in that the Obstruct membrane（4）Upper surface and/or seal washer inner edge（82b）Surface is provided with multiple micro-protrusions（47）And/or miniature depression（48）, the micro-protrusions（47）And/or miniature depression（48）Add disinfectant（3）It is attached to Obstruct membrane（4）Upper surface and/or seal washer inner edge（82b）The area on surface.

19. disinfectant cap according to claim 18, it is characterised in that the cap body sidewall（23）Including cap body side wall inner surfaces（232）, the cap body side wall inner surfaces（232）It is provided with and medical connector（1）External screw thread（11）The internal thread of mating connection（233）.

20. disinfectant cap according to claim 19, it is characterised in that the cap body inner chamber（24）Provided with partition member（241）, the partition member（241）For cap body side wall inner surfaces（232）To cap body（2）The extension of center position, partition member（241）By cap body inner chamber（24）It is divided into cap body epicoele（242）With cap body cavity of resorption（243）, the cap body epicoele（242）Store volatile disinfectant（3）, the cap body cavity of resorption（243）Pass through connected entrance（25）On ventilated membrane（6）It is in communication with the outside, the partition member（241）Provided with weak coupling part（2411）, work as medical connector（1）Screw in cap body inner chamber（24）When, partition member（241）Weak coupling part（2411）By external force extrusion fracture, cap body epicoele（242）With cap body cavity of resorption（243）It is connected.

21. disinfectant cap according to claim 20, it is characterised in that the partition member（241）Obliquely, partition member（241）Close to cap body connector（21）One end be provided with weak coupling part（2411）.

22. disinfectant cap according to claim 20, it is characterised in that the partition member（241）Provided with to cap body connector（21）The projection that direction is protruded（2412）, the projection（2412）With partition member（241）The position being connected is provided with weak coupling part（2411）.

23. disinfectant cap according to claim 22, it is characterised in that the partition member（241）It is raised（2412）In the cup-shaped of top end opening inner hollow, to cap body connector（21）Direction is protruded, the projection（2412）Inner hollow increase cap body inner chamber（24）To disinfectant（3）Memory capacity.

24. according to any described disinfectant caps of claim 10-23, it is characterised in that the cap body sidewall（23）And/or cap body bottom（22）To cap body（2）It is raised that center position is extended with liquid storage（26）, liquid storage projection（26）Including liquid storage convex outer surface（261）, the liquid storage convex outer surface（261）With cap body side wall inner surfaces（232）, cap body bottom（22）Liquid storage groove is provided between inner surface（28）, the liquid storage groove（28）The readily volatilized disinfectant of storage（3）, work as cap body（2）When being tilted to horizontal direction, liquid storage groove（28）Prevent disinfectant（3）From cap body inner chamber（24）Flow out, now disinfectant（3）The surface tension of itself, disinfectant（3）With liquid storage groove（28）Between adhesive force, disinfectant（3）With cap body（2）Between adhesive force, the making a concerted effort of three power be more than or equal to disinfectant（3）Self gravitation.

25. disinfectant cap according to claim 24, it is characterised in that the liquid storage groove（28）Groove width（281）No more than 0.8mm, liquid storage groove（28）Between be interconnected.