CN220025607U - Liquid medicine preparing tube - Google Patents
Liquid medicine preparing tube Download PDFInfo
- Publication number
- CN220025607U CN220025607U CN202321507753.2U CN202321507753U CN220025607U CN 220025607 U CN220025607 U CN 220025607U CN 202321507753 U CN202321507753 U CN 202321507753U CN 220025607 U CN220025607 U CN 220025607U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- puncture
- tip
- peristaltic pump
- liquid
- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 65
- 239000003814 drug Substances 0.000 title claims abstract description 33
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 29
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229920005594 polymer fiber Polymers 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 6
- 229930182555 Penicillin Natural products 0.000 abstract description 19
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 abstract description 19
- 229940049954 penicillin Drugs 0.000 abstract description 19
- 238000001914 filtration Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001802 infusion Methods 0.000 description 16
- 238000007789 sealing Methods 0.000 description 6
- 241000238631 Hexapoda Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229940093181 glucose injection Drugs 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a liquid medicine preparation tube, which relates to the technical field of medical appliances, and comprises a peristaltic pump tube and puncture outfits arranged at two ends of the peristaltic pump tube, wherein the puncture outfits comprise: a puncture part provided with a tip; the holding part is integrally formed at one end of the puncture part far away from the tip; the filtering ventilation valve is arranged in the holding part; a first pipeline and a second pipeline are arranged in the puncture outfit, one end of the first pipeline penetrates through the holding part, and the other end of the first pipeline penetrates through the tip of the puncture part; one end of the second pipeline is communicated with the peristaltic pump pipe, and the other end of the second pipeline penetrates through the tip of the puncture part; the filter vent valve is arranged in the first pipeline; the tip of the puncture part comprises four concave surfaces, and the first pipeline and the second pipeline penetrate through the two opposite concave surfaces. The utility model has the effect of reducing the negative pressure in the penicillin bottle.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a liquid medicine preparation tube.
Background
Intravenous infusion is an important medical treatment method, and the principle is to use the atmospheric pressure and hydrostatic pressure principles to introduce a large amount of sterile liquid, electrolyte and medicine into the body through veins. The liquid medicine used in the intravenous infusion method is usually prepared by dissolving and mixing physiological saline or glucose injection into the medicine. When the medicine is in powder form, a penicillin bottle is usually used for containing and storing, when the medicine is dispensed, physiological saline or glucose injection in an infusion bag (bottle) is firstly extracted and injected into the penicillin bottle, and after uniform shaking, mixed liquid is extracted and injected into the infusion bag (bottle), and the medicine is finally dispensed after uniform shaking again.
Along with the development of scientific technology, the medicine dispensing machine has developed, and the medicine dispensing machine comprises a liquid dispensing pipe and a peristaltic pump, wherein the two ends of the liquid dispensing pipe are respectively inserted into a penicillin bottle and an infusion bag (bottle), the peristaltic pump can be used for inputting liquid in the infusion bag (bottle) into the penicillin bottle by extruding the liquid dispensing pipe, and after the liquid medicine is uniformly mixed, the liquid in the penicillin bottle is returned to the infusion bag (bottle), so that the medicine dissolving and transferring are replaced by manpower, and the medicine dispensing machine is more convenient and sanitary.
In view of the above-mentioned related art, the inventor found that, because the penicillin bottle is usually made of glass, negative pressure in the bottle may be caused when the peristaltic pump sucks mixed liquid in the penicillin bottle, and the phenomenon that the liquid medicine cannot flow due to excessive negative pressure may possibly occur, which affects the liquid preparation work.
Disclosure of Invention
In order to reduce the negative pressure in the penicillin bottle, the utility model provides a liquid medicine preparation tube.
The utility model provides a liquid medicine preparation pipe which adopts the following technical scheme:
the utility model provides a liquid medicine is joined in marriage liquid pipe, includes peristaltic pump pipe and sets up the puncture ware at peristaltic pump pipe both ends, the puncture ware includes:
a puncture part provided with a tip;
the holding part is integrally formed at one end of the puncture part far away from the tip;
the filtering ventilation valve is arranged in the holding part;
a first pipeline and a second pipeline are arranged in the puncture outfit, one end of the first pipeline penetrates through the holding part, and the other end of the first pipeline penetrates through the tip of the puncture part; one end of the second pipeline is communicated with the peristaltic pump pipe, and the other end of the second pipeline penetrates through the tip of the puncture part; the filter vent valve is disposed within the first conduit.
Through adopting above-mentioned technical scheme, the puncture ware is used for penetrating the closing cap of xiLin bottle or infusion bag (bottle), hold in the palm the portion of holding and can be convenient for medical personnel to engage and move the puncture ware, the second pipeline forms the runner between xiLin bottle and infusion bag (bottle), when peristaltic pump's pump impeller extrusion peristaltic pump pipe, can realize the flow of liquid along two directions, when being taken out the liquid medicine and lead to producing negative pressure in xiLin bottle or the infusion bottle, outside air can get into first pipeline under the atmospheric pressure effect, get into the bottle after filtering through the filtration breather valve, alleviate the negative pressure condition in the bottle, and then make the liquid medicine in the liquid distribution pipe can flow the transfer more smoothly.
Optionally, the tip of the puncture part comprises four concave surfaces, and the first pipeline and the second pipeline penetrate through two opposite concave surfaces.
By adopting the technical scheme, the concave surface can ensure that the puncture part is easier to puncture into the sealing cover during puncture, the first pipeline and the second pipeline are respectively arranged on the two opposite concave surfaces, and after the sealing cover is punctured, the first pipeline is communicated with the upper area in the bottle, so that ventilation to the bottle is smoother; the second pipeline is communicated with the lower area in the bottle, and is not easy to interfere with the upper gas circuit when the liquid is sucked or discharged, so that the flow of the liquid is smoother.
Optionally, an expansion hole is formed in the opening of the first pipeline penetrating through the holding part, and the filtering ventilation valve is arranged in the expansion hole.
Through adopting above-mentioned technical scheme, the expansion hole can be convenient for install the filtration breather valve, also can play simultaneously and to the mounted position locate action of filtration breather valve.
Optionally, the puncture outfit further comprises a limiting ring arranged in the expansion hole.
Through adopting above-mentioned technical scheme, the spacing ring plays the limiting displacement to filtering the breather valve, with the inner wall common centre gripping of expansion hole with filtering the breather valve, makes and filters the breather valve be difficult for deviating working position when using.
Optionally, the puncture outfit further comprises a clamping ring fixedly connected outside the puncture part.
Through adopting above-mentioned technical scheme, the joint ring can be convenient for medical personnel fix the puncture ware in the dispensing machine mounted position that corresponds, and cooperation holding part can guarantee that puncture portion is last after penetrating the closing cap, and the second pipeline is under, makes puncture portion puncture back can normally work.
Optionally, the liquid dispensing tube further comprises a protective cover sleeved outside the puncture part.
By adopting the technical scheme, the protective cover is arranged when the liquid distribution pipe is not in use, the puncture part is protected from being directly knocked by other objects, meanwhile, the protective cover can also play a role in isolating insect prevention and sundries, and the sanitary state of the puncture part is maintained; after the liquid preparation tube is used, the protective cover is covered to prevent the liquid medicine adhered to the puncture part from polluting the surrounding environment.
Optionally, the puncture part is provided with a step convex ring which is matched with the inner diameter of the protective cover.
Through adopting above-mentioned technical scheme, the bulge loop can cooperate with the visor internal diameter, makes visor and puncture portion connect more firm, also can play the guard action that makes puncture portion pointed end and the contact of visor inner wall simultaneously.
Optionally, the filtering breather valve is made of polymer fiber wound.
Through adopting above-mentioned technical scheme, the filtration breather valve that polymer fiber winding was made can play and only can pass through gas, can not pass through the selectively permeable function of liquid, also can filter the gas of passing through simultaneously.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the puncture outfit is used for penetrating the seal cover of the penicillin bottle or the infusion bag (bottle), the holding part can facilitate medical staff to hold and move the puncture outfit, the second pipeline forms a flow channel between the penicillin bottle and the infusion bag (bottle), when the pump wheel of the peristaltic pump extrudes the peristaltic pump pipe, the liquid can flow along two directions, when the liquid medicine is pumped out of the penicillin bottle or the infusion bottle to generate negative pressure, the external air can enter the first pipeline under the action of atmospheric pressure, and the external air enters the bottle after being filtered by the filtering ventilation valve, so that the negative pressure condition in the bottle is relieved, and the liquid medicine in the liquid preparation pipe can flow and transfer more smoothly;
2. the concave surface can enable the puncture part to be easier to puncture into the sealing cover during puncture, the first pipeline and the second pipeline are respectively arranged on the two opposite concave surfaces, and after the sealing cover is punctured, the first pipeline is communicated with the upper area in the bottle, so that ventilation to the bottle is smoother; the second pipeline is communicated with the lower area in the bottle, so that the second pipeline is not easy to interfere with the upper gas circuit when the liquid is sucked or discharged, and the flow of the liquid is smoother;
3. the protective cover is arranged when the liquid distribution pipe is not in use, so that the puncture part is protected from being directly knocked by other objects, and meanwhile, the protective cover can also play a role in isolating insect and sundries and keep the sanitary state of the puncture part; after the liquid preparation tube is used, the protective cover is covered to prevent the liquid medicine adhered to the puncture part from polluting the surrounding environment.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic partial cross-sectional view of an embodiment of the present utility model;
in the figure, 1, peristaltic pump tube; 2. a puncture outfit; 21. a puncture part; 211. a stepped convex ring; 22. a pinching portion; 23. a filter vent valve; 24. a first pipeline; 241. expanding the hole; 25. a second pipeline; 26. a limiting ring; 27. a clamping ring; 3. and a protective cover.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1 to 2.
The utility model provides a liquid medicine preparation tube, which comprises a puncture outfit 2, a peristaltic pump tube 1 and a protective cover 3, and is characterized in that the liquid medicine preparation tube is shown in fig. 1 and 2. The puncture outfit 2 is provided with two sealing covers which respectively puncture the penicillin bottle and the infusion bag (bottle); the peristaltic pump tube 1 is connected between the two puncture outfits 2; the two protection covers 3 are respectively sleeved on the two puncture outfits 2. When the liquid medicine preparation work is carried out, the liquid preparation pipe is taken down, the protective cover 3 is arranged on the medicine preparation machine, the two puncture outfits 2 are communicated with the penicillin bottle and the infusion bag (bottle), and the peristaltic pump pipe 1 is extruded by the rotation of the pump wheel of the peristaltic pump of the medicine preparation machine, so that the liquid pumping flow at the two sides of the liquid preparation pipe can be realized.
The puncture instrument 2 includes a puncture portion 21 and a pinching portion 22. The puncture part 21 is cylindrical, one end of the puncture part is provided with a tip, and the tip is provided with four concave end faces along the circumferential direction, so that the seal cover can be punctured more easily; the other end of the puncture part 21 is provided with a circular tube with smaller diameter for being inserted into the peristaltic pump tube 1. The holding portion 22 is integrally formed on a circumferential side wall of the puncture portion 21, the holding portion 22 is rectangular parallelepiped, and a longitudinal direction thereof is parallel to a central axis of the puncture portion 21. The holding part 22 is used for facilitating the medical staff to hold the puncture outfit 2 by hand for installation. The puncture outfit 2 is made of ABS material.
The puncture outfit 2 is provided with a first pipeline 24 and a second pipeline 25. One end of the first pipeline 24 penetrates through the concave end face on one side of the tip, and the other end radially penetrates through the holding part 22 along the puncture part 21 to form a passage for communicating the bottle with the outside air. The first pipe 24 is provided with an expansion hole 241 at the opening of the grip 22, and the diameter of the expansion hole 241 is larger than that of the first pipe 24. The filter ventilation valve 23 is inserted into the expansion hole 241, the circumferential side wall of the filter ventilation valve 23 is attached to the inner wall of the expansion hole 241, and one end is abutted to the bottom of the expansion hole 241. The filtering breather valve 23 is made of PP material, is formed by winding and pressing a plurality of superfine filaments, has tiny holes, can pass through gas, is difficult to pass through liquid, can realize the function of selective permeation, and can filter the passing gas to remove impurities in the air entering the first pipeline 24. One side of the expansion hole 241 far away from the filter vent valve 23 is inserted with a limiting ring 26, the longitudinal section of the limiting ring 26 is rectangular, an ABS material is adopted, and the circumferential outer side wall is in interference fit with the inner wall of the expansion hole 241, so that the filter vent valve 23 is limited at the bottom of the expansion hole 241.
One end of the second pipeline 25 penetrates through the concave end face of the tip, and is arranged on the two opposite concave end faces separately from the first pipeline 24; the other end penetrates through the puncture part 21 and is far away from the tip end, and is communicated with the round tube. When the liquid dispensing tube is in use, liquid on both sides of the liquid dispensing tube flows into the peristaltic pump tube 1 through the second conduit 25.
After the liquid dispensing pipe is arranged on the dispensing machine, the first pipeline 24 is positioned at the upper side, the second pipeline 25 is positioned at the lower side, and after the puncture outfit 2 punctures the sealing cover, the first pipeline 24 is communicated with the upper area in the bottle and is ventilated into the bottle; the second pipeline 25 is communicated with the lower region in the bottle, is not easy to interfere with the upper gas path when the liquid is sucked or discharged, and enables the liquid to flow more smoothly.
The peristaltic pump tube 1 is a PVC hose, two ends of the peristaltic pump tube are respectively sleeved on the circular tubes of the two puncture outfits 2, the peristaltic pump tube is in interference fit with the circular tubes, and liquid in the peristaltic pump tube can flow directionally under the extrusion of the pump wheel of the peristaltic pump.
The circumferential side wall of the puncture part 21 is also integrally provided with a clamping ring 27, and the clamping ring 27 is connected with the holding part 22, so that the puncture outfit 2 can be conveniently installed on a dispensing machine. The side wall of the clamping ring 27 close to the tip is integrally formed with a stepped convex ring 211, and the stepped convex ring 211 is coaxial with the puncture part 21 and has a diameter larger than that of the puncture part 21.
The protective cover 3 is sleeved outside the tip of the puncture part 21, is in interference insertion connection with the circumferential side wall of the stepped convex ring 211, and is made of PE. The protective cover 3 is arranged when the liquid distribution pipe is not used, protects the puncture part 21 from being directly knocked by other objects, and can also play a role in isolating insect prevention and sundries and keep the sanitary state of the puncture part 21; after the liquid preparation tube is used, the protective cover 3 is covered to prevent the liquid medicine adhered to the puncture part 21 from polluting the surrounding environment.
The implementation principle of the embodiment of the utility model is as follows: when the mixed liquid in the penicillin bottle is pumped out, the peristaltic pump controls the liquid distribution pipe to suck out the mixed liquid in the penicillin bottle, negative pressure is generated in the penicillin bottle, external air can enter the first pipeline 24 through the filtering ventilation valve 23 under the action of atmospheric pressure, and then enter the penicillin bottle, so that the negative pressure in the penicillin bottle is relieved, and the mixed liquid is ensured to smoothly enter the infusion bag (bottle) from the liquid distribution pipe.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a liquid medicine liquid preparation pipe, includes peristaltic pump pipe (1) and sets up puncture ware (2) at peristaltic pump pipe (1) both ends, its characterized in that: the puncture outfit (2) comprises:
a puncture part (21) provided with a tip;
the holding part (22) is integrally formed at one end of the puncture part (21) far away from the tip;
a filter ventilation valve (23) arranged in the holding part (22);
a first pipeline (24) and a second pipeline (25) are arranged in the puncture outfit (2), one end of the first pipeline (24) penetrates through the holding part (22), and the other end penetrates through the tip of the puncture part (21); one end of the second pipeline (25) is communicated with the peristaltic pump pipe (1), and the other end of the second pipeline penetrates through the tip of the puncture part (21); the filter ventilation valve (23) is arranged in the first pipeline (24).
2. A medical fluid dispensing tube according to claim 1, wherein the tip of the piercing section (21) comprises four concave surfaces, and the first and second lines (24, 25) extend through two opposing concave surfaces.
3. A liquid medicine dispensing tube according to claim 1, wherein the first pipeline (24) is provided with an expansion hole (241) penetrating through the opening of the holding portion (22), and the filter ventilation valve (23) is arranged in the expansion hole (241).
4. A medical fluid dispensing tube according to claim 3, wherein the spike (2) further comprises a stop collar (26) arranged in the expansion hole (241).
5. A medical fluid dispensing tube according to claim 1, wherein the spike (2) further comprises a snap ring (27) fixedly connected to the outside of the spike (21).
6. A medical fluid dispensing tube according to claim 1, further comprising a protective cap (3) arranged over the puncture part (21).
7. A medical fluid dispensing tube according to claim 6, wherein the piercing portion (21) is provided with a stepped collar (211) adapted to the inner diameter of the protective cap (3).
8. A medical fluid dispensing tube according to claim 1, wherein the filter vent valve (23) is made of polymer fiber wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321507753.2U CN220025607U (en) | 2023-06-13 | 2023-06-13 | Liquid medicine preparing tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321507753.2U CN220025607U (en) | 2023-06-13 | 2023-06-13 | Liquid medicine preparing tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220025607U true CN220025607U (en) | 2023-11-17 |
Family
ID=88734016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321507753.2U Active CN220025607U (en) | 2023-06-13 | 2023-06-13 | Liquid medicine preparing tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220025607U (en) |
-
2023
- 2023-06-13 CN CN202321507753.2U patent/CN220025607U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |