WO2018191804A1 - Câmara de diluição e gotejamento - Google Patents
Câmara de diluição e gotejamento Download PDFInfo
- Publication number
- WO2018191804A1 WO2018191804A1 PCT/BR2018/050118 BR2018050118W WO2018191804A1 WO 2018191804 A1 WO2018191804 A1 WO 2018191804A1 BR 2018050118 W BR2018050118 W BR 2018050118W WO 2018191804 A1 WO2018191804 A1 WO 2018191804A1
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- WO
- WIPO (PCT)
- Prior art keywords
- dilution
- drip chamber
- lock terminal
- open
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
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- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16886—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body for measuring fluid flow rate, i.e. flowmeters
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Definitions
- This patent application describes an innovative dilution and drip chamber for use in conjunction with an open and close pouch, luer-lock infusion set and needle-free luer-lock syringe.
- This set now incorporated into this dilution and drip chamber, represents the modern approach to preparing and administering injectable solutions, revolutionizing the procedures involved.
- the dilution and drip chamber which is the subject of this patent application, respects the same operational concept, complementing this set of safe and fast devices for the preparation and administration of injectable pharmaceutical solutions.
- This dilution and drip chamber which is the subject of this patent application, supplants in terms of ease of use and safety the one normally attributed to a particular type of state-of-the-art hospital use device known as "burette equipment". , which is used for intermittent administration of pharmaceutical solutions by intravenous infusion (drip into the vein).
- injectable pharmaceutical solutions require preparation in clean environments, following aseptic techniques, taking care to avoid needle puncture accidents metal or plastic spikes (plastic piercing coupled to medical devices), and also particulate contamination that can come off when puncturing stoppers or membranes in plastic bags that hold injectable solutions.
- Patent of Invention and Patent Application the applicant continues to pursue the development of new products, always focusing on the practicality of use and the safety of the professional and the patient.
- the dilution and drip chamber which is the subject of this patent application, together with the aforementioned patented pouch and the luer-lock infusion set constitute the evolution that revolutionizes the preparation and administration of injectable solutions.
- Figures 1 to 4 will describe the traditional procedure for the preparation and administration of intravenous infusion pharmaceutical solutions using prior art devices (traditional intravenous solution plastic pouch, traditional infusion set, traditional burette and syringe with metallic needle).
- Figure 1 shows a schematic overview of a traditional plastic intravenous pouch 1 having two ports or ports, one inlet port 2 having a perforable membrane and one outlet port 3 also having pierceable membrane;
- Figure 1 also illustrates a traditional infusion set 4 positioned towards the outlet port 3 of the traditional intravenous plastic pouch 1, which has a perforation projection (plastic spike) 5 and a small drip chamber 6, from which part of a flexible tube section 7 which is intended for the patient's vein.
- a perforation projection plastic spike
- Figure 2 shows a schematic and general view of the same traditional plastic intravenous solution pouch 1 with the traditional infusion set 4 coupled to the outlet port 3.
- the traditional infusion set 4, partially illustrated in figure 1, is shown in full. 2 shows in the flexible tube sector 7 a male luer lock terminal 8, a "roller clamp” type device 9 for flow regulation and a plastic clamp 10 to be actuated when full closure of the flow.
- Figure 3 illustrates a perspective view of a traditional burette apparatus 11 having a central component which is a semi-rigid transparent plastic tube sector (which is the burette) 12 which at the front portion of its wall 13 has a graduated volume scale 14 (expressed in ml), while the rear portion of this wall 13 has a white background finish 15, in order to facilitate the visualization of the volume graduated scale 14 and to check for possible solution problems, such as particles.
- the upper and lower ends of the transparent and semi-rigid plastic tube sector 12 of the traditional burette apparatus 11 are closed by respective top caps 16 and bottom 17.
- the wall 18 of the top cap 16 incorporates: an air inlet 19 fitted with filter and lid; a liquid inlet port having a perforable membrane 20; a handle 21 allowing traditional burette equipment 11 to be hung; a fitting 22 for a flexible pipe sector 23, at the end of which a plastic spike 24 is positioned which will access the intravenous solution contained in a traditional plastic intravenous solution pouch 1 from which comes the desired volume diluent for the product contained in the burette 12.
- a plastic clamp 10 which, when necessary, completely obstructs the liquid flowing from the traditional intravenous plastic pouch 1 after the plastic spike is introduced into the pouch.
- the lower lid 17 of the traditional burette apparatus 11 has a liquid passage hole 36 shown in a dashed line in Figures 3 and 4; from the base 25 of this lid comes a small drip chamber 26 for the flow of the liquid contained in the burette 12; the small drip chamber 26 fuses with the burette 12 and is therefore an intrinsic part of the burette 12 itself; from the small drip chamber 26 departs a section of flexible tube (which is the apparatus) 27 for the flow of the liquid contained in the burette 12 towards the patient's vein.
- This flexible tubing sector (equipment) 27 has: a male luer lock terminal 8 for connection to the needle inserted into the patient's vein (needle not shown); a "roller clamp” type device 9 for flow regulation and a plastic clamp 10 to be actuated when full flow closure is desired.
- Figure 3 also shows schematically a syringe 28 with a metal needle 29 and a dashed line extending from the metal needle 29 to the pierceable membrane 20 of the burette 12, where the medicament is introduced to that burette 12.
- Figure 4 shows a schematic view of the coupling of the traditional burette device 11 in a traditional plastic bag for intravenous solutions 1.
- the medicine is inserted through a syringe 28, piercing with the metal needle 29 a membrane 20 of this burette 12;
- the burette 12 is coupled to a traditional plastic intravenous solution pouch 1 containing the desired diluent by piercing a membrane of said diluent pouch 1. by a plastic spike 5 which exists at the end of the plastic tube section 23 which exits from the top of the burette 12. From the lower end of the burette 12 there is a plastic tube (equipo) section 27 towards the patient's vein.
- the set shown in figure 4 is disconnected from the patient and the set shown in figure 2 is reconnected to the patient.
- TECHNICAL STATE PROBLEMS In view of the traditional procedures performed for the preparation and administration of pharmaceutical solutions by intravenous infusion using syringe 28 with metal needle 29, traditional plastic intravenous solution pouch 1 and traditional burette apparatus 11, all of which are prior art, it remains easy to understand whereas these membrane puncture procedures (by metal needles 29 or plastic spikes 5) can generate particles that contaminate solutions, and expose the practitioner to risks of puncture accidents and the patient to risks of particle embolization and contamination when these connection-disconnect procedures for bags, equipment, and vein access are repeated.
- This dilution and drip chamber which is the subject of this patent application, will be used in conjunction with this pouch (commercially identified by the "NC Bag” ® mark) and the luer-lock infusion set, dealt with in the Patent. PI1003460-9 and Patent Application BR 10 2016 016091-0, as well as with luerlock syringe, without needle.
- the dilution and drip chamber which is the subject of this patent application, is intended for dilution of injectable solutions and functions as a drip chamber for intravenous infusion of these solutions and is designed for use in conjunction with a plastic bag for intravenous solutions, with an innovative open-and-close valve mechanism, commercially identified by the brand name "NC Bag” ®, and with a male luer-lock (without plastic perforator) infusion set, treated in the Invented Patent PI1003460-9 and application of BR 10 2016 016091-0, and furthermore, using a needleless male luer-lock terminal syringe.
- the dilution and drip chamber which is the subject of this patent application, as well as the other mentioned devices, allows safe, fast manipulations without generating any and substantially reduces the possibility of contamination when preparing ineffable drug solutions.
- the dilution and drip chamber has its structure defined by a sector of plastic tube (burette), closed upper and lower by respective upper and lower caps.
- a tubular extension in addition to a filter-equipped air inlet, a tubular extension, at the end of which is incorporated a male luer-lock terminal, which allows the present dilution and drip chamber to be directly coupled to a plastic pouch for intravenous solutions provided with a valve with an open and close mechanism as dealt with in the patent application granted (PI1003460-9), owned by the applicant, as well as in the patent application (BR 10 2016) 016091-0) also owned by the applicant.
- the lower cover incorporates a tubular extension, at the end of which a valve with open and close mechanism is attached, as discussed in the aforementioned Patent Application PI1003460-9, as well as in the patent application (BR 10 2016 016091-0).
- This open-and-close valve has a female luer-lock terminal to which an infusion set equipped with a male luer-lock terminal can be coupled, as discussed in patent application PI1003460-9, as well as in the application. also owned by the applicant (BR 10 2016 016091-0), or coupled to a syringe, devoid of a metal needle, and provided with a male luer-lock terminal.
- the dilution and drip chamber has a lid to close its male luer-lock terminal; This same cap can be used for closing the male luer-lock terminal of the infusion set or for closing the male luer-lock terminal of the syringe.
- Figure 1 illustrates a schematic overview of a traditional plastic intravenous solution pouch and a (partially pictured) infusion set, both of which are prior art, and in that view the infusion set is depicted at a stage prior to coupled to the outlet port of the traditional plastic bag for intravenous solutions.
- Figure 2 illustrates a schematic overview of the traditional prior art plastic intravenous solution bag depicted in Figure 1 having attached to its outlet port the traditional infusion equipment, also belonging to the prior art, this traditional infusion equipment being fully illustrated.
- Figure 3 illustrates a perspective view of a typical example of a traditional burette equipment depicted in its entirety; the view also includes an equally schematic representation of a syringe having a metal needle; A dashed line indicates the insertion point of the metal needle into the perforable membrane of the burette's liquid inlet.
- Figure 4 illustrates a schematic view of the coupling of the traditional burette apparatus in a traditional plastic bag for intravenous solutions, both of which are prior art.
- Fig. 5 illustrates a top perspective overview of the dilution and drip chamber, object of this patent application.
- Figure 6 illustrates a top perspective view of the dilution and drip chamber which is the object of this Patent Application, pictured without its cover, which is shown separately below.
- Figure 7 illustrates a general and front view of the dilution and drip chamber, object of this patent application.
- Figure 8 illustrates the dilution and drip chamber, object of this patent application, along the cut-off line "A" - “A” shown in Figure 7;
- Figure 8 also illustrates a section of a floating shutter element (floating membrane) within the dilution and drip chamber, said floating shutter element pertaining to the state of the art.
- Figure 8A illustrates, in cross-sectional view, an isolated view of the lower lid of the dilution and drip chamber, where the valve with open and close mechanism is connected, as dealt with in Patent Application PI1003460-9 and Patent Application. BR 10 2016 016091-0; The valve with open and close mechanism has its cover in the closed position.
- Fig. 8B illustrates a view similar to that depicted in Fig. 8A, where the open and close valve is capped in the open position and the valve mechanism is closed, thereby blocking the flow of liquid.
- Fig. 8C illustrates a view similar to those depicted in Figs. 8A and 8B, where the open and close valve has its cap in the open position and the open and close mechanism is also open, allowing liquid to flow.
- Figure 9 illustrates a side view of the dilution and drip chamber, object of this patent application.
- Figure 10 illustrates an opposite side view of the dilution and drip chamber, object of this patent application.
- Figure 11 illustrates a rear view of the dilution and drip chamber, object of this patent application.
- Figure 12 illustrates a top view of the dilution and drip chamber, object of this patent application.
- Figure 13 shows a bottom view of the dilution and drip chamber, object of this patent application.
- Figure 14 shows an isolated perspective view of the lid comprising the dilution and drip chamber, object of this patent application;
- This cap is also compatible for use in both the luer-lock connection of the infusion set, which is dealt with in the patent invention PI1003460-9 and the patent application BR 10 2016 016091-0, as well as in the luer-lock terminal of a syringe belonging to the state of the art.
- Figure 15 illustrates a full sectional view of the lid of the dilution and drip chamber, object of this patent application, along the section line "B" - "B” indicated in Figure 14.
- Fig. 16 schematically illustrates an overview of a plastic bag model for intravenous solutions, and an infusion set, as set forth in granted Patent Application PI1003460-9 and BR 10 2016 016091-0;
- the infusion set can be closed with the same type of lid that integrates the dilution and drip chamber, object of this patent application.
- Figure 17 illustrates the plastic bag for intravenous solutions and the infusion set shown in Figure 16, properly coupled together.
- Figure 18 shows an overview of the dilution and drip chamber, object of this patent application.
- Invention positioned in relation to a luer-lock syringe, devoid of a metal needle; said view further illustrates two examples of the cap that equips the dilution and drip chamber, one for the dilution and drip chamber itself and the other for closing the luer-lock terminal of the syringe.
- Fig. 19 illustrates a side view of the dilution and drip chamber, object of this patent application; a luer-lock syringe (devoid of metal needle) is connected to the open and close valve as dealt with in patent application PI1003460-9, as well as in patent application BR 10 2016 016091-0 ; Figure 19 also shows separately the lid which equips the dilution and drip chamber.
- Figure 20 illustrates a view of sequentially and separately appearing a plastic pouch for intravenous solutions as set forth in Patent Application PI1003460-9 and Patent Application BR 10 2016 016091-0; a copy of the dilution and drip chamber, object of this patent application, and its respective cover; and a copy of the infusion set, as dealt with in the granted patent invention PI1003460-9 and patent application BR 10 2016 016091-0, which can be closed with the same lid of the dilution and drip chamber lid.
- Fig. 21 illustrates the dilution and drip chamber properly coupled to the plastic bag for intravenous solutions as set forth in Patent Application PI1003460-9 and Patent Application BR 10 2016 016091-0; the infusion set, as set forth in the granted patent application PI1003460-9 and the patent application BR 10 2016 016091-0, is illustrated herein on condition of non-coupling with the dilution and drip chamber; Figure 21 illustrates separately a copy of the same closure cap as shown in FIG. dilution and drip chamber, used here to close the male luer-lock terminal of the infusion set.
- Figure 22 shows an overview of the dilution and drip chamber properly coupled to a plastic intravenous solution pouch, dealt with in Patent Application PI1003460-9 and Patent Application BR 10 2016 016091-0, and an apparatus of male luer-lock terminal infusion, also dealt with in Patent Application PI1003460-9 and Patent Application BR 10 2016 016091-0.
- Figure 23 illustrates the assembly of the dilution and drip chamber, plastic pouch for intravenous solutions and infusion set following the "C" - "C” cut line shown in Figure 22.
- the dilution and drip chamber 30, which is the subject of this patent application, is not intended for use with traditional intravenous solution plastic bags 1 or traditional intravenous infusion equipment 4; it is designed to provide a safe means for the preparation and administration of injectable pharmaceutical solutions, in conjunction with the plastic intravenous solution pouch 31 with open-close valve 33 and infusion set 32 with male luer-lock terminal 8, treated in the invention patent granted PI1003460-9 and BR 10 2016 016091-0.
- the set consists of plastic intravenous solution pouch 31 with valve with open-and-close mechanism 33, infusion set 32 with male luer-lock terminal 8, dilution and drip chamber 30 with valve with open-and-close mechanism 33 and male luer-lock terminal 8 and syringe 28 without metal needle 29, represent the modern approach for preparing and administering injectable solutions, revolutionizing the procedures. This is not an expression of desire but reality, considering that the valve has already been industrially finalized and incorporated into solution pockets, which have already undergone laboratory stability processes and practical tests in referral hospitals.
- the dilution and drip chamber which is the subject of this patent application, incorporates the same operational concept, complementing the safe and fast devices for the preparation and administration of injectable pharmaceutical solutions.
- This set will thus ensure procedural safety, simplicity of execution and time saving, revolutionizing the operation of preparation and administration of these solutions, being the ideal response to streamline hospital drug preparation areas, and particularly to respond quickly and safely to demands in emergency situations in ambulances, tragedy areas and armed conflict areas.
- This operating set will also enable the pharmaceutical industry to be revolutionized by using modern filling devices which will be coupled to this set and which will merit further patent applications as these applications cannot be described.
- FIGS 5 to 8 and 9 to 13 illustrate views of the dilution and drip chamber 30 object of this patent application.
- Figures 8A, 8B and 8C illustrate, in isolation, the lower lid 17 of the dilution and drip chamber 30 and its association with the open and close mechanism valve 33.
- FIGs 14 and 15 illustrate the lid 34, which is an integral part of the dilution and drip chamber 30, for closing the male luer-lock terminal 8 of that chamber, as shown in Figure 8A; this cap 34 is designed to also close the male luer-lock terminal 8 of the infusion set 32 (as seen in figure 16), which is dealt with in patent patent PI1003460-9 and patent application BR 10 2016 016091-0, and also the male luer-lock terminal 8 of the syringe 28 (as seen in figure 18), thus avoiding a plethora of cover designs that create confusion when working with these medical devices.
- FIGS 16 through 23 illustrate the possible connections between the components of this new set for preparation and administration of injectable solutions.
- the dilution and drip chamber 30, as shown in Figure 5, comprises a semi-rigid transparent plastic tube section 12 which, at the front portion of its wall 13, has a graduated volume scale 14 (expressed in ml), and on the rear portion of the wall 13, it has a white background finish 15, in order to facilitate the visualization of the graduated volume scale 14 and to check for possible solution problems, such as particles.
- the dilution and drip chamber 30 is constructed of semi-rigid (non-self-priming) plastic, it meets technical standards for intravenous infusion devices incorporating a float ring 39 with a thin central membrane 40 and an air filter 19, belonging to to the prior art which will be described below.
- valve 33 incorporates into the dilution and drip chamber 30 through a tubular extension 37 departing from the base wall 25 of the lower lid 17 of that dilution and drip chamber 30.
- Such an open-and-close valve 33 of the dilution and drip chamber 30 is the same device as the outlet port 38 of the plastic intravenous solution pouch 31 embodied in accordance with EP 1003460-9. and in patent application BR 10 2016 016091 0, as can be seen from figures 16, 17, 20, 21, 22 and 23.
- the open-and-close valve 33 itself is not in itself a subject matter claimed in the present invention patent application, it is the one that allows the realization of this dilution and drip chamber 30, the object of this application. of Invention, transforming this dilution and drip chamber 30 into an innovative product with all the features to revolutionize the way they prepare and administer injectable pharmaceutical solutions.
- the dilution and drip chamber 30 also incorporates a float ring 39 with a thin central membrane 40 to close the hole once the entire solution has been drained from the dilution and drip chamber. of fluid passage 36 preventing the passage of air towards the patient's vein.
- the lid 34 which comprises the dilution and drip chamber 30, object of this patent application, as highlighted in figures 14 and 15, has an outer body 41 where, in its upper portion 42 there are radial ribs 43 to allow ease of use. handling at the moment of application (by rotating movement from left to right) and at the time of withdrawal (by rotating movement from right to left).
- a hollow plastic tube 44 In the central part of the cap 34 is a hollow plastic tube 44 that projects toward the base of the cap but extends slightly beyond that base and ends in a female luer-lock terminal shape 45. As can be seen from 6, this female luer-lock terminal 45 of cap 34 will close male luer-lock terminal 8 of the dilution and drip chamber 30.
- Such a cap design 34 may also close the male luer-lock terminal 8 of the infusion set 32 or the male luer-lock terminal 8 of the syringe 28.
- This lid design 34 therefore serves to prevent a profusion of lids on the pharmaceutical preparation tables. Its design encourages the trader to keep the lid 34 always attached to a device or lying on the desk and not supported vertically; when lying down, the outer body 41 protects the female luer-lock terminal 45 which will be connected to male luer-lock terminals 8 from the aforementioned medical devices.
- the infusion set 32 which is fully illustrated in Figures 22 and 23, has at the end of the flexible tube 7 a male luer-lock terminal 8 for connection to the patient's vein needle, and a roller clamp 9 for control of the liquid flow.
- Figures 8A, 8B and 8C illustrate, in isolation, the lower lid 17 of the dilution and drip chamber 30 and its association with the open and close mechanism valve 33.
- the open-and-close valve 33 has a tapered base 46 that narrows defining a tubular terminal 47 that fits into the tubular extension 37 of the lower lid 17 of the dilution and drip chamber 30. Liquid from the semi-rigid clear plastic pipe sector 12 shown in Figure 8 passes through the through hole 36 to the inner channel 48 of valve 33.
- a movable conical part 49 having a female luer-lock terminal 45 In the conical base 46 is inserted a movable conical part 49 having a female luer-lock terminal 45.
- the cap 50 fits into the end portion 51 of the conical base 46 to protect the female luer-lock terminal 45 from the movable conical part 49 and also to prevent this part from disconnecting from the open and close mechanism valve 33.
- the open-and-close valve 33 has two 0-ring seals, one larger in diameter 52 and one smaller in diameter 53.
- Larger diameter sealing ring 52 is mounted in groove 54 of movable conical part 49 establishing lateral sealing between said movable conical part 49 and conical base 46, while smaller diameter sealing ring 53, which is mounted at the bottom of the core 55 of the conical base 46, it ensures central obstruction of the liquid flow through the open and close valve 33 when it is in its closed condition.
- the movable conical part 49 has an annular edge 60 which maintains contact with the annular edge 61, which belongs to the conical base 46, whenever the valve with open and close mechanism 33 is closed.
- the plastic cap 50 has a tubular portion 62 which, on its inner face, has an annular groove 63, which fits the annular edge 61 of the conical base 46 to secure the cap 50 to said conical base 46.
- the plastic cap 50 has a flap 64 which interconnects its tubular portion 62 to the closure portion 65 which contains a radial flap 66 protruding from the closure portion 65.
- the flap 64 is folded in its mid region 67, thereby making with that flap 64 acts as a hinge 68 allowing the closing portion 65 to be angularly displaced from a closing position as shown in figure 8A to an opening position as illustrated in figures 8B and 8C.
- the female luer-lock terminal 45 inside is fully protected, while when said lid 50 is open, the female luer-lock terminal 45 may be accessed to engage an infusion set 32. with male luer-lock terminal 8 (as illustrated in figures 16, 17, 20, 21, 22 and 23), or a male luer-lock terminal 8 syringe without metal needle 29 (as shown in figures 18 and 19) .
- the male luer-lock terminal 8 of the infusion set 32 or the male luer-lock terminal 8 of the syringe 28 is connected to the female luer-lock terminal 45 of the valve with open-and-close mechanism 33, a pulling motion on the equipment or syringe (indicated by arrow "X" in figures 8C and 17) moves movable conical part 49 of open-close valve 33 allowing liquid to be released; movement in the opposite direction to that indicated by arrow "X" closes the valve with open and close mechanism 33.
- Open-and-close valve 33 incorporated into the dilution and drip chamber 30 is the same open-and-close valve 33 that incorporates the plastic intravenous solution pouch 31 whose opening mechanism has been previously described. Therefore, the open and close valve 33 of the dilution and drip chamber 30 also opens by traction exerted on the infusion set 32 or the syringe 28 coupled thereto; opposite movement closes the valve with open and close mechanism 33.
- arrows "Z" indicate the flow of liquid contained within the intravenous plastic pouch 31 into the dilution and drip chamber 30.
- the dilution and drip chamber 30 is thus intended for dilution of injectable solutions and functions as a drip chamber for intravenous infusion of these solutions and is designed, as already mentioned, for use in conjunction with the plastic intravenous solution bag 31 , with an open-and-close valve 33, commercially identified by the "NC Bag” ® mark, and with the male luer-lock terminal 8 infusion set 32, dealt with in Patent Application PI1003460-9 and patent application BR 10 2016 016091-0, and also using syringe 28 with male luer-lock terminal 8, without metal needle 29.
- a second, very practical possibility is to use the dilution and drip chamber 30 for preparation of injectable medications by introducing and withdrawing multiple doses of the products through a male luerlock terminal 8 syringe, without metal needle 29, through the valve. with open and close mechanism 33 of the dilution and drip chamber 30.
- the infusion set 32 with male luer-lock terminal 8 is used.
- infusion 32 is connected ( Figure 17) to the plastic bag for intravenous solutions (commercially identified by the "NC Bag” ® mark) 31 through left to right rotational movement (arrow "").
- the valve with mechanism open-and-close 33, incorporated into the plastic intravenous solution pouch 31, is opened allowing the intravenous solution to reach the patient through the lower end of the infusion set 32.
- the intermittent medication is inserted into the dilution and drip chamber 30 with syringe 28 with male luer-lock terminal 8 without metal needle 29.
- 28 syringe 28 will be coupled to the chamber open-and-close valve 33 of the chamber of dilution and drip 30 (figure 19) by rotating movement from left to right (arrow "W").
- the valve with open and close mechanism 33 of the dilution and drip chamber 30 is opened, allowing the intermittent medication to be inserted.
- this device is attached to a plastic intravenous solution pouch 31 (commercially identified by the "NC Bag” ® mark) (figure 21) where the diluent is to be used. Connects male luer-lock terminal 8 to the dilution and drip chamber
- the valve with open and close mechanism 33 is opened to allow the diluent to pass to the dilution and drip chamber 30 to the desired volume (the chamber is graduated in ml); The drug is thus diluted to the desired volume.
- the lower end of this device is connected to the male luer-lock terminal infusion set 32 ( Figures 22 and 23) by rotating from left to right. (arrow “W”); Pulling the body of the infusion set 32 opens the shut-off valve 33 integrated with the dilution and drip chamber 30 allowing the solution to flow into the patient's vein.
- a concentrated solution may be introduced into the dilution and drip chamber 30 with a male luer-lock terminal 8 syringe 8 without a metal needle 29 through the open-and-close valve 33 ( Figures 18 and 19).
- a male luer-lock terminal 8 syringe 8 without a metal needle 29 may be used to withdraw multiple doses of the diluted drug.
- the traditional burette equipment 11 which is coupled with traditional plastic intravenous solution pouches 1 with perforable membranes, because: - dispenses with the use of metal needle 29 for the introduction of solution for injection into it; the solution is transferred by the male 28 luer-lock terminal syringe 8;
- the dilution and drip chamber 30 securely and directly connects to the plastic intravenous solution pouch 31, freeing up space for any further patient bags needed and maintaining better support organization;
- the male 8 and female 45 luer-lock connections, and the open-close valve 33 allow easy coupling and decoupling of the system devices;
- - Infusion set 32 with male luer-lock terminal 8 also allows direct connection to a plastic bag for intravenous solutions (commercially identified by the "C" mark). Bag) containing diluent to prime (the initial infusion set of the diluent), for example avoiding prime with an antibiotic and risk of loss of medication and contamination of the environment where this product is prepared, events that may promote the development of resistant bacterial strains that increase the risk of nosocomial infections.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Pharmacology & Pharmacy (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18788232.9A EP3613400A4 (en) | 2017-04-20 | 2018-04-19 | THINNING AND DRIP CHAMBER |
| CN201880026030.6A CN110913823A (zh) | 2017-04-20 | 2018-04-19 | 稀释和滴注室 |
| US16/605,699 US20220062540A1 (en) | 2017-04-20 | 2018-04-19 | Dilution and drip chamber |
| CO2019011552A CO2019011552A2 (es) | 2017-04-20 | 2019-10-18 | Camara de dilución y goteo |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR102017008203-2A BR102017008203B1 (pt) | 2017-04-20 | 2017-04-20 | câmara de diluição e gotejamento |
| BRBR1020170082032 | 2017-04-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2018191804A1 true WO2018191804A1 (pt) | 2018-10-25 |
Family
ID=63856128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/BR2018/050118 Ceased WO2018191804A1 (pt) | 2017-04-20 | 2018-04-19 | Câmara de diluição e gotejamento |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20220062540A1 (pt) |
| EP (1) | EP3613400A4 (pt) |
| CN (1) | CN110913823A (pt) |
| BR (1) | BR102017008203B1 (pt) |
| CO (1) | CO2019011552A2 (pt) |
| LU (1) | LU100948B1 (pt) |
| WO (1) | WO2018191804A1 (pt) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798590A (en) * | 1983-11-22 | 1989-01-17 | Medical Technology Products, Inc. | Intravenous infusion pumping system including independent pump set |
| US5059173A (en) * | 1990-04-04 | 1991-10-22 | Sacco John J | IV apparatus |
| US5207661A (en) * | 1991-06-07 | 1993-05-04 | Smiths Industries Public Limited Company | Body fluid drainage assembly |
| US5616138A (en) * | 1995-08-29 | 1997-04-01 | Tri State Hospital Supply Corporation | Urine drainage and collection device |
| BRPI1003460A2 (pt) | 2010-09-29 | 2013-01-22 | Norival Caetano | "bolsa para acondicionamento, reconstituiÇço e/ou diluiÇço de produtos de uso injetÁvel e dispositivo de seguranÇa aplicÁvel em frasco de medicamento a ser reconstituÍdo e/ou diluido em uma bolsa para acondicionamento, reconstituiÇço e/ou diluiÇço de produtos de uso injetÁvel" |
| US20140216598A1 (en) * | 2003-11-19 | 2014-08-07 | Noble House Group Pty Ltd. | Sterile sampling methods and apparatus |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE790246A (fr) * | 1971-11-26 | 1973-02-15 | American Hospital Supply Corp | Appareil d'administration de liquides medicinaux en regimes debitmetrique et volumetrique |
| EP0508251B1 (en) * | 1991-04-11 | 1995-08-02 | NPBI Nederlands Produktielaboratorium voor Bloedtransfusieapparatuur en Infusievloeistoffen B.V. | Admixture container for connecting a syringe and method |
| US5405333A (en) * | 1992-12-28 | 1995-04-11 | Richmond; Frank M. | Liquid medicament bag with needleless connector fitting using boat assembly |
| US5423751A (en) * | 1993-02-18 | 1995-06-13 | Harrison; Samuel W. | Contrast media dispensing apparatus |
| US6206860B1 (en) * | 1993-07-28 | 2001-03-27 | Frank M. Richmond | Spikeless connection and drip chamber with valve |
| DE4338531A1 (de) * | 1993-11-11 | 1995-05-18 | Leica Lasertechnik | Vorrichtung zur Mehrfarbbeleuchtung von Präparaten |
| DE4338687C1 (de) * | 1993-11-12 | 1995-07-06 | Fresenius Ag | Urinmeßgerät und Verfahren zum Ermitteln der Dichte von Urin |
| US7316669B2 (en) * | 2002-08-22 | 2008-01-08 | Baxa Corporation | Protective cap for medical male luer fittings |
| EP1623735A1 (de) * | 2004-08-05 | 2006-02-08 | Gemü GmbH | Durchflussregelventil |
| ITTO20080381A1 (it) * | 2008-05-21 | 2009-11-22 | Industrie Borla Spa | Connettore valvolare per linee medicali |
| CN105233360A (zh) * | 2014-06-03 | 2016-01-13 | 徐州一佳医疗器械有限公司 | 一种带自动排气精密过滤器的一次性输液器 |
| BR102016016091B1 (pt) * | 2016-07-11 | 2019-05-14 | Norival Caetano | Válvula com mecanismo abre-e-fecha para bolsa utilizada para acondicionamento, reconstituição e/ou diluição de produtos de uso injetável |
-
2017
- 2017-04-20 BR BR102017008203-2A patent/BR102017008203B1/pt not_active IP Right Cessation
-
2018
- 2018-04-19 CN CN201880026030.6A patent/CN110913823A/zh active Pending
- 2018-04-19 LU LU100948A patent/LU100948B1/fr active IP Right Grant
- 2018-04-19 WO PCT/BR2018/050118 patent/WO2018191804A1/pt not_active Ceased
- 2018-04-19 EP EP18788232.9A patent/EP3613400A4/en not_active Withdrawn
- 2018-04-19 US US16/605,699 patent/US20220062540A1/en not_active Abandoned
-
2019
- 2019-10-18 CO CO2019011552A patent/CO2019011552A2/es unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4798590A (en) * | 1983-11-22 | 1989-01-17 | Medical Technology Products, Inc. | Intravenous infusion pumping system including independent pump set |
| US5059173A (en) * | 1990-04-04 | 1991-10-22 | Sacco John J | IV apparatus |
| US5207661A (en) * | 1991-06-07 | 1993-05-04 | Smiths Industries Public Limited Company | Body fluid drainage assembly |
| US5616138A (en) * | 1995-08-29 | 1997-04-01 | Tri State Hospital Supply Corporation | Urine drainage and collection device |
| US20140216598A1 (en) * | 2003-11-19 | 2014-08-07 | Noble House Group Pty Ltd. | Sterile sampling methods and apparatus |
| BRPI1003460A2 (pt) | 2010-09-29 | 2013-01-22 | Norival Caetano | "bolsa para acondicionamento, reconstituiÇço e/ou diluiÇço de produtos de uso injetÁvel e dispositivo de seguranÇa aplicÁvel em frasco de medicamento a ser reconstituÍdo e/ou diluido em uma bolsa para acondicionamento, reconstituiÇço e/ou diluiÇço de produtos de uso injetÁvel" |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3613400A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110913823A (zh) | 2020-03-24 |
| EP3613400A1 (en) | 2020-02-26 |
| EP3613400A4 (en) | 2021-01-13 |
| BR102017008203B1 (pt) | 2020-05-05 |
| US20220062540A1 (en) | 2022-03-03 |
| CO2019011552A2 (es) | 2019-10-31 |
| LU100948B1 (fr) | 2019-03-29 |
| LU100948A1 (fr) | 2018-11-27 |
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