CN201283136Y - Disposable fine-filtering infusion device - Google Patents
Disposable fine-filtering infusion device Download PDFInfo
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- CN201283136Y CN201283136Y CNU2008201334457U CN200820133445U CN201283136Y CN 201283136 Y CN201283136 Y CN 201283136Y CN U2008201334457 U CNU2008201334457 U CN U2008201334457U CN 200820133445 U CN200820133445 U CN 200820133445U CN 201283136 Y CN201283136 Y CN 201283136Y
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- transfusion
- gas phase
- puncture needle
- air
- transfusion device
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A disposal fine filtration transfusion system is a transfusion system for accurately filtering transfusion liquid medicine and air in a transfusion bottle, which is designed with a novel air filter, a cork puncture needle, a liquid medicine fine filter and an automatic air-releasing mechanism, and is characterized in that the air filter which is provided with a gas phase film is connected with the cork puncture needle through an air pipe, the cork puncture needle is connected with a transfusion needle after connecting with the liquid medicine fine filter which is provided with a liquid phase film and a gas phase film through a dripping bucket, a demodulator and a transfusion tube for accurately filtering harmful particles and germ in liquid medicine and air. The novel puncture needle reduces the rubber particles when puncturing a rubber stop, and the automatic air-releasing mechanism reduces the safety hidden dangers of entering air into blood. The disposal fine filtration transfusion system can filter insoluble particles which can block capillary vessel and be unabsorbable, solves the disadvantage of an existing disposal transfusion system, increases the safety thereof, improves the performance and quality of the disposal transfusion system, is an updating product of the existing disposal transfusion system, and has positive effects for increasing the curative effect of the transfusion and guaranteeing the medical health for thousands of citizens, and can be produced into series products suitable for chemotherapy, infants, critical patients, S A R S and infectious disease units as well as common patients.
Description
Affiliated technical field
This utility model relates to a kind of medical Transfusion device, particularly relates to being provided with the novel bottle stopper puncture needle that can reduce the plug microgranule, is provided with transfusion medicinal liquid and the air secondary filter that enters in the infusion bottle, and a kind of disposable fine straining transfusion device of automatic vent function is arranged.Be specially adapted to patients undergoing chemotherapy, infant, critical patient, SARS sars ward, lazaretto ward use, also be applicable to common patient or patient and the place high certainly the infusion filter prescription.
Background technology
In nursery work, venous transfusion is the most frequently used clinical treatment means.The problem that causes by transfusion, except by the known bacterial infection of people, the pyrogen reaction, particulate matter such as also can cause diseases, particularly patients undergoing chemotherapy such as rubescent, the numb tenderness of vein, congestion and swelling pain, streak blackening hardening even can cause that local skin festers at serious consequence in the transfusion; Therefore, particulate matter more and more causes people's attention in the transfusion.Microgranule in the transfusion is meant insoluble, the invisible material of naked eyes of sneaking in the transfusion, mainly contains plug microgranule, glass chip, cellulose, plastic particles, crystalline solid microgranule, transfusion environmental air grit etc.; In addition, Chinese medicine class injection is because also there is a large amount of insoluble microparticles in the shortcoming of purifying technique; These microgranules also comprise pathogenic bacteria, have plenty of to exist in medicine, the liquid, have plenty of that infusion set pollutes, and have plenty of to be polluted by the transfusion environmental air.If these particulates emissions can not get filtering in last pass of input human body, will work the mischief to human body.The diameter 6-8 μ m of the thinnest place of normal adult blood capillary is about infant 3 μ m; Bring in the infusion process in the blood circulation greater than the particle matter of blood capillary diameter as foreign body, can not be absorbed by body metabolism; When mean particle dia during greater than the blood capillary diameter, just may artery-clogging, cause lung granuloma, pulmonary edema, phlebitis, anaphylaxis, the reaction of pyrogen sample, local organization thromboembolism and necrosis, even cause tumor to form or diseases such as tumor sample reaction.At present, the aperture of the filter medium of common disposable transfusion device is substantially more than 10 μ m, to the effect of not damming substantially of the microgranule below the 10 μ m; Therefore, how making the particulates emission of disposable transfusion device energy filtering greater than the blood capillary diameter, is a problem, also relates to the big problem of ten million ordinary people's medical treatment ﹠ health.
During the SARS SARS, why are there so much nursing staff, medical worker and close exposed population group to infect SARS at the beginning? study carefully is not pay attention to viral aerial infection in fact, and about the little order of magnitude of SARS virus volume ratio common bacteria, therefore, but disposable transfusion device how to develop a kind of filtering SARS virus also is a problem.
In addition, common disposable transfusion device, retain, overflow, accumulate in the intrasystem gas of transfusion device is the problem of nursing staff's headache always, the careful tours of inspection of nurse's palpus, discovery has bubble just to have discharge in time: as untimely discharge, make gas enter blood and will cause potential safety hazard, and the intrasystem gas of common disposable transfusion device is difficult for discharging, this also is a difficult problem in the nursery work.
Summary of the invention
Based on the problems referred to above, the utility model proposes a kind of disposable fine straining transfusion device, can can in time discharge a kind of disposable fine straining transfusion device that retains, overflows, accumulates in the intrasystem gas of transfusion device again to transfusion medicinal liquid and the air secondary filter that enters in the infusion bottle.To adapt to patients undergoing chemotherapy, infant, critical illness human needs, also be applicable to common patient or patient and the place high certainly to the infusion filter prescription.
The technical scheme that its technical problem that solves this utility model adopts is: disposable fine straining transfusion device has air strainer, bottle stopper puncture needle, dropping funnel, demodulator, medicinal liquid fine filter, transfusion needle; It is characterized in that; The air strainer (5) that is provided with gas phase membrane (28) connects bottle stopper puncture needle (3) by trachea (6), and bottle stopper puncture needle (3) is connected transfusion needle (11) after being connected with the medicinal liquid fine filter (9) of liquid phase film (23) and gas phase membrane (21) by dropping funnel (2), demodulator (1), tube for transfusion (7) more again.Like this, this utility model by the air strainer fine straining air, again by medicinal liquid fine filter fine straining medicinal liquid, solved the fine straining problem of present disposable transfusion device; In time discharge by gas phase membrane (21) again and retain, overflow, accumulate in the intrasystem gas of transfusion device, solved the self-bleeding problem of nursing staff's headache.
This disposable fine straining transfusion device, described air strainer (5) has shell (31), gas outlet (26) is arranged at shell (31) bottom, ventilative grid (27) is arranged above the gas outlet (26), air strainer gas phase membrane (28) is arranged above the grid (27), gas phase membrane (28) is sealed on the sealing platform (32), is the middle square (29) that open-work (30) are arranged above the gas phase membrane (28).
The disposable fine straining transfusion device of wood, the gas phase membrane (28) of described air strainer (5), its effect is that filtering replenishes into interior airborne particulates emission of infusion bottle and pathogenic bacteria, gas phase membrane (28) can be a microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the gas phase membrane that the SARS SARS virus is selected＜0.1 μ m, selection＜3 μ m's that common infant uses, selection＜6 μ m's that common only normal adult uses, really, the more little filter effect in gas phase membrane aperture is good more, but also will consider the rate of filtration, cost, needs etc. are all multifactor.
This disposable fine straining transfusion device, described bottle stopper puncture needle (3) has puncture needle inlet opening (3-1) and the puncture needle venthole (3-2) on the face of cylinder under its circular cone inclined-plane, tip, the axis normal of the axis of inlet opening (3-1) and venthole (3-2) and puncture needle (3), this considers that mainly the perforate orientation reduces the sharp-pointed corner angle of puncture needle (3) as far as possible, and sharp-pointed corner angle are the main causes that cause the plug microgranule when the puncture plug; Inlet opening (3-1) is below venthole (3-2), and this considers that mainly pore is low at upward pressure, and aerofluxus is smooth and easy, and escape pipe is difficult for the feed liquor body; Venthole (3-2) communicates with air inlet (3-3), and inlet opening (3-1) communicates with liquid outlet (3-4).
This disposable fine straining transfusion device, described medicinal liquid fine filter (9) has shell (24), and interior pipe (20) in the middle is isolated with it; Medicinal liquid fine filter inlet (8) is arranged at interior pipe (20) top, and medicinal liquid fine filter liquid outlet (10) is arranged at the bottom, and there is dividing plate (15) centre, and liquid outlet (19) is arranged above the dividing plate (15), and some filtrate hole (13) are arranged below; Epicoele (22), cavity of resorption (14) are arranged in the shell (24); Epicoele (22) is gone up inwall the gas phase membrane (21) that is sealed in the gas phase membrane groove (17), and gas phase membrane (21) covers steam vent (18); The liquid phase film (23) that is sealed in the liquid phase film groove (25) is arranged in the cavity of resorption (14), and liquid phase film (23) is close to filtrate hole (13).
This disposable fine straining transfusion device, the liquid phase film (23) of described medicinal liquid fine filter (9), can be microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, needs to filter the liquid phase film that the SARS SARS virus is selected＜0.1 μ m, selection＜3 μ m's that common infant uses, selection＜6 μ m's that common normal adult is used, really, the more little filter effect of liquid phase membrane aperture is good more, but will consider that also the rate of filtration, cost, needs etc. are all multifactor.The gas phase membrane (21) of medicinal liquid fine filter (9), all identical with the material and the aperture of the gas phase membrane (28) of air strainer (5): the effect of gas phase membrane (21) is the gas that can in time discharge automatically in the transfusion device, and stops the external contamination air admission.
This disposable fine straining transfusion device has designed novel air fine filter, medicinal liquid fine filter, bottle stopper puncture needle, automatic vent mechanism; By the liquid phase film fine straining in the medicinal liquid fine filter medicinal liquid, particularly invisible airborne particulates emission of naked eyes and pathogenic bacteria that people paid attention to also carried out smart filtration by the gas phase membrane in the air strainer to not being; Like this, just solved the fine straining problem of present disposable transfusion device, and can select the different of liquid phase film and gas phase membrane aperture, made series of products, to satisfy various disease, different crowd, different needs according to different needs.
This disposable fine straining transfusion device, the puncture needle of its novel bottle stopper puncture needle and common disposable transfusion device is also different, the axis of its inlet opening and venthole and its axis normal, such perforate orientation, reduced the sharp corners of puncture pin hole, and sharp-pointed corner angle are main causes of making the plug microgranule when the puncture plug.
Gas in the common disposable transfusion device, transfusion system is nurse's tours of inspection, finds to have bubble just to exist and must in time discharge; And the automatic vent mechanism of this disposable fine straining transfusion device can make to retain, overflow, accumulate in the intrasystem gas of transfusion device and in time discharge, and has solved owing to make gas enter the potential safety hazard that blood causes accidentally, has improved the safety of disposable transfusion device.
In sum, this disposable fine straining transfusion device, adopted above multiple measure and structure, can filtering stop up the insoluble microparticle that blood capillary can not be absorbed by the body again, held last pass of particulates emission and pathogenic bacteria input human body, effectively solve current disposable transfusion device to the insoluble microparticle disadvantage removed of energy rate not, to diseases such as rubescent, the numb tenderness of the vein that particulate matter causes, congestion and swelling pain, streak blackening hardening, serious consequences such as the local skin that patients undergoing chemotherapy is caused owing to particulate matter festers all have its positive effect; To the injection quality of raising hospital and patient's therapeutic effect, its positive role is all arranged to ensureing ten million ordinary people medical treatment ﹠ health; Be specially adapted to patients undergoing chemotherapy, infant, critical patient, SARS sars ward, lazaretto ward use, also be applicable to common patient or patient and the place high certainly the infusion filter prescription.This utility model is promoted the performance of disposable transfusion device and quality, is the regeneration product of current disposable transfusion device, has remarkable economic efficiency and social benefit.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Figure of description 1 is the overall structure sketch map of this utility model embodiment.
Figure of description 2 is amplification assumption diagrams of air strainer in the accompanying drawing 1 (5).
Figure of description 3 is amplification assumption diagrams of bottle stopper puncture needle (3) in the accompanying drawing 1.
Figure of description 4 is amplification assumption diagrams of accompanying drawing 1 herb liquid fine filter (9).
Figure of description 5 is vertical views of accompanying drawing 4.
Among the figure: 1. demodulator, 2. dropping funnel, 3. bottle stopper puncture needle, 3-1. puncture needle inlet opening, 3-2. the puncture needle venthole, 3-3, puncture needle air inlet, 3-4. puncture needle liquid outlet, 4. bottle stopper Puncture needle sleeve, 5. air strainer, 6. trachea, 7. tube for transfusion, 8. medicinal liquid fine filter inlet, 9. medicinal liquid fine filter, 10. medicinal liquid fine filter liquid outlet, 11. transfusion needles, 12. the transfusion needle guard, 13. filtrate hole, 14. medicinal liquid fine filter cavity of resorptions, 15. dividing plate, 16. fluid passages, 17. gas phase membrane grooves, 18. steam vent, 19. liquid outlets, 20. interior pipes, 21. gas phase membrane, 22. medicinal liquid fine filter epicoeles, 23. liquid phase films, 24. medicinal liquid fine filter shell, 25. liquid phase film grooves, 26. air strainer gas outlets, 27. grid, 28. air strainer gas phase membranes, 29. squares, 30. the square open-work, 31. air strainer shells, 32. air strainer gas phase membranes sealing platform.
The specific embodiment
In the Figure of description 1, this disposable fine straining transfusion device has air strainer, bottle stopper puncture needle, dropping funnel, demodulator, medicinal liquid fine filter, transfusion needle; It is characterized in that: the air strainer (5) that is provided with gas phase membrane (28) connects bottle stopper puncture needle (3) by trachea (6), and bottle stopper puncture needle (3) is connected transfusion needle (11) after being connected with the medicinal liquid fine filter (9) of liquid phase film (23) and gas phase membrane (21) by dropping funnel (2), demodulator (1), tube for transfusion (7) more again.Like this this utility model by the air strainer fine straining air, again by medicinal liquid fine filter fine straining medicinal liquid, solved the fine straining problem of present disposable transfusion device.
Figure of description 2, it is the amplification assumption diagram of air strainer (5), among the figure, air strainer (5) has shell (31), gas outlet (26) is arranged at shell (31) bottom, and ventilative grid (27) is arranged above gas outlet (26), and air strainer gas phase membrane (28) is arranged above the grid (27), gas phase membrane (28) is sealed on the sealing platform (32), is the middle square (29) that open-work (30) are arranged above the gas phase membrane (28).
In the Figure of description 2, the gas phase membrane (28) of air strainer (5), can be microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the gas phase membrane that the SARS SARS virus is selected＜0.1 μ m, selection＜3 μ m's that common infant uses, selection＜6 μ m's that common normal adult is used.
Figure of description 3, it is the amplification assumption diagram of bottle stopper puncture needle (3), among the figure, bottle stopper puncture needle (3) has puncture needle inlet opening (3-1) and the puncture needle venthole (3-2) on the face of cylinder under its circular cone inclined-plane, tip, the axis normal of the axis of inlet opening (3-1) and venthole (3-2) and puncture needle (3), this considers that mainly the perforate orientation reduces the sharp-pointed corner angle of puncture needle (3) as far as possible, and sharp-pointed corner angle are the main causes that cause the plug microgranule when the puncture plug; Inlet opening (3-1) is below venthole (3-2), and this considers that mainly pore is low at upward pressure, and aerofluxus is smooth and easy, and escape pipe is difficult for the feed liquor body; Venthole (3-2) communicates with air inlet (3-3), and inlet opening (3-1) communicates with liquid outlet (3-4).
Figure of description 4 (in conjunction with seeing accompanying drawing 5) is the amplification assumption diagram of medicinal liquid fine filter (9), and among the figure, medicinal liquid fine filter (9) has shell (24), and interior pipe (20) in the middle is isolated with it; Medicinal liquid fine filter inlet (8) is arranged at interior pipe (20) top, and medicinal liquid fine filter liquid outlet (10) is arranged at the bottom, and there is dividing plate (15) centre, and liquid outlet (19) is arranged above the dividing plate (15), and filtrate hole (13) is arranged below; Epicoele (22), cavity of resorption (14) are arranged in the shell (24); Epicoele (22) is gone up inwall the gas phase membrane (21) that is sealed in the gas phase membrane groove (17), and gas phase membrane (21) covers steam vent (18); The liquid phase film (23) that is sealed in the liquid phase film groove (25) is arranged in the cavity of resorption (14), and liquid phase film (23) is close to filtrate hole (13).
In the Figure of description 4, the function of gas phase membrane (21) is that gas can pass through, and liquid can't pass; The effect here is to discharge the gas that retains, overflows, accumulates in the epicoele (22) automatically, and don't makes the air admission of external contamination; Common disposable transfusion device, gas in the transfusion system is nurse's tours of inspection, find to have bubble just to exist and must in time discharge, and wooden utility model has from degassing function, solved owing to make gas enter the potential safety hazard that blood causes accidentally, improved the safety of disposable transfusion device.
In the Figure of description 4, the liquid phase film (23) of medicinal liquid fine filter (9), can be microporous membrane, nucleopore membranes, nanometer film etc., its aperture can be selected 0.05--6 μ m as required, need to filter the liquid phase film that the SARS SARS virus is selected＜0.1 μ m, selection＜3 μ m's that common infant uses, selection＜6 μ m's that common normal adult is used.The gas phase membrane (21) of medicinal liquid fine filter (9) is all identical with the material and the aperture of the gas phase membrane (28) of air strainer (5).
Claims (7)
1. disposable fine straining transfusion device has air strainer, bottle stopper puncture needle, dropping funnel, demodulator, medicinal liquid fine filter, transfusion needle; It is characterized in that: the air strainer (5) that is provided with gas phase membrane (28) connects bottle stopper puncture needle (3) by trachea (6), and bottle stopper puncture needle (3) is connected transfusion needle (11) after being connected with the medicinal liquid fine filter (9) of liquid phase film (23) and gas phase membrane (21) by dropping funnel (2), demodulator (1), tube for transfusion (7) more again.
2. disposable fine straining transfusion device according to claim 1, it is characterized in that: air strainer (5) has shell (31), gas outlet (26) is arranged at shell (31) bottom, grid (27) is arranged above the gas outlet (26), air strainer gas phase membrane (28) is arranged above the grid (27), gas phase membrane (28) is sealed on the sealing platform (32), is the middle square (29) that open-work (30) are arranged above the gas phase membrane (28).
3. disposable fine straining transfusion device according to claim 1 is characterized in that: the gas phase membrane (28) of air strainer (5), its aperture are 0.05--6 μ m.
4. disposable fine straining transfusion device according to claim 1, it is characterized in that: bottle stopper puncture needle (3) has puncture needle inlet opening (3-1) and the puncture needle venthole (3-2) on the face of cylinder under its circular cone inclined-plane, tip, the axis of inlet opening (3-1) and venthole (3-2) and the axis normal of puncture needle (3); Inlet opening (3-1) is below venthole (3-2), and venthole (3-2) communicates inlet opening 3-1 with air inlet (3-3)) communicate with liquid outlet (3-4).
5. disposable fine straining transfusion device according to claim 1 is characterized in that: medicinal liquid fine filter (9) has shell (24), and interior pipe (20) in the middle is isolated with it; Medicinal liquid fine filter inlet (8) is arranged at interior pipe (20) top, and medicinal liquid fine filter liquid outlet (10) is arranged at the bottom, and there is dividing plate (15) centre, and liquid outlet (19) is arranged above the dividing plate (15), and filtrate hole (13) is arranged below; Epicoele (22), cavity of resorption (14) are arranged in the shell (24); Epicoele (22) is gone up inwall the gas phase membrane (21) that is sealed in the gas phase membrane groove (17), and gas phase membrane (21) covers steam vent (18); The liquid phase film (23) that is sealed in the liquid phase film groove (25) is arranged in the cavity of resorption (14), and liquid phase film (23) is close to filtrate hole (13).
6. disposable fine straining transfusion device according to claim 1 is characterized in that: the liquid phase film (23) of medicinal liquid fine filter (9), its aperture are 0.05--6 μ m.
7. disposable fine straining transfusion device according to claim 1 is characterized in that: the gas phase membrane (21) of medicinal liquid fine filter (9), its aperture are 0.05--6 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201334457U CN201283136Y (en) | 2008-09-20 | 2008-09-20 | Disposable fine-filtering infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201334457U CN201283136Y (en) | 2008-09-20 | 2008-09-20 | Disposable fine-filtering infusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201283136Y true CN201283136Y (en) | 2009-08-05 |
Family
ID=40948121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201334457U Expired - Fee Related CN201283136Y (en) | 2008-09-20 | 2008-09-20 | Disposable fine-filtering infusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201283136Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631733A (en) * | 2012-05-10 | 2012-08-15 | 浙江康泰医疗器械有限公司 | Automatic exhaust and liquid stop and anti-blood backflow high-speed precision intelligent security infusion set |
-
2008
- 2008-09-20 CN CNU2008201334457U patent/CN201283136Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102631733A (en) * | 2012-05-10 | 2012-08-15 | 浙江康泰医疗器械有限公司 | Automatic exhaust and liquid stop and anti-blood backflow high-speed precision intelligent security infusion set |
| CN102631733B (en) * | 2012-05-10 | 2014-04-30 | 浙江康泰医疗器械有限公司 | Automatic exhaust and liquid stop and anti-blood backflow high-speed precision intelligent security infusion set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20110920 |