CN203898838U - Self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus - Google Patents
Self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus Download PDFInfo
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- CN203898838U CN203898838U CN201420318470.8U CN201420318470U CN203898838U CN 203898838 U CN203898838 U CN 203898838U CN 201420318470 U CN201420318470 U CN 201420318470U CN 203898838 U CN203898838 U CN 203898838U
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- liquid
- exhaust
- dropping funnel
- aerofluxus
- bubble
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- Expired - Lifetime
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- 238000001802 infusion Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 57
- 239000012528 membrane Substances 0.000 claims abstract description 30
- 230000007704 transition Effects 0.000 claims description 20
- 239000003814 drug Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000002265 prevention Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Provided is a self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus. A self-exhaust device is arranged in a dripping bucket and comprises a self-exhaust tube and an air filtering membrane, the lower end of the self-exhaust tube is fixed to the bottom of the dripping bucket, an exhaust through hole communicating outside air to an inner cavity of the dripping bucket is formed in the self-exhaust tube, and the air filtering membrane is fixed to the top of the self-exhaust tube. A bubble prevention device is arranged on the inner side of the bottom end of the dripping bucket, the bubble prevention device is a hollow exhaust core, a liquid inlet groove is formed in the lateral wall of the exhaust core, an inner cavity of the exhaust core is communicated with a liquid outlet tube at the lower end of the dripping bucket, the exhaust core, the bottom end of the dripping bucket and the liquid outlet tube at the lower end of the dripping bucket are of an integrated structure, and a liquid stopping device is arranged on the upper portion of the exhaust core. When the self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus is used, the dripping bucket does not need to be inverted or extruded, a flow regulator does not need to be closed, operation is convenient, the air filtering membrane and the exhaust through hole enable air in the dripping bucket to be exhausted smoothly, the exhaust core, a liquid outlet and the exhaust core liquid inlet groove of the dripping bucket can prevent bubbles from being generated or accumulated, and gas in a gas-liquid mixture entering the dripping bucket can be exhausted.
Description
Technical field
This utility model relates to a kind of from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, belongs to medical instruments field.
Background technology
Transfusion is widely used Therapeutic Method in clinical treatment, and safety is the indispensable essential condition of transfusion.
When general infusion set herb liquid starts to enter dropping funnel, very easily form the mixture of gas and liquid, this gas-liquid mixture can enter rapidly in the infusion pipeline of dropping funnel below, bubble phenomenon while forming transfusion, the healthy of patient threatened, so medical personnel, when transfusion, infuse after the bubble in transfusion catheter must being discharged completely again.Conventionally the method adopting is, needle for inserting bottle is being thrust after transfusion bottle stopper, be inverted or extruding dropping funnel, medicinal liquid is entered in dropping funnel, in dropping funnel, be filled with half left and right liquid after rapidly dropping funnel is returned to normal operating condition again, nonetheless, on tube wall below dropping funnel, also often adsorb bubble, also need medical personnel to pinch bubble with finger bullet, this kind of operational approach is comparatively loaded down with trivial details, to medical personnel, brings great inconvenience.
After medicinal liquid is totally lost, if do not process in time, in pipeline, will enter air, and can threaten to the healthy of patient equally.For avoiding this kind of situation, during common clinical transfusion, need patient and medical personnel constantly to close injecting medical liquid surplus, taken very large energy, also patient is caused to larger mental pressure simultaneously, through the medicinal liquid of being everlasting, remain when more and just call medical personnel, easily cause doctor-patient relationship contradiction, be unfavorable for the carrying out of Rehabilitation and normal medical and nursing work.
Utility model content
According to above deficiency of the prior art, the technical problems to be solved in the utility model is: provide a kind of simple in structure, easy to use and safe from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set.
Described in the utility model from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, comprise needle for inserting bottle, infusion pipeline, dropping funnel, flow regulator, cone joint and venoclysis needle, automatic exhauster is set in dropping funnel, automatic exhauster comprises from exhaustor and air-filtering membrane, from exhaustor lower end, be fixed on dropping funnel bottom, in exhaustor, there is the exhaust hole that is communicated with dropping funnel inner chamber and ambient atmosphere, air-filtering membrane is fixed on from exhaustor top, the inner side of dropping funnel bottom arranges Anti-bubble device, Anti-bubble device is the aerofluxus core of hollow, the sidewall of aerofluxus core is provided with lead channel, aerofluxus in-core chamber communicates with the drain pipe of dropping funnel lower end, aerofluxus core, the drain pipe of dropping funnel bottom and dropping funnel lower end adopts integrative-structure, the top of aerofluxus core arranges only liquid device.
The port of export of described drain pipe adopts hole enlargement transition region, the internal diameter of hole enlargement transition region is greater than the internal diameter of epimere drain pipe, and hole enlargement transition region from top to bottom internal diameter increases gradually, avoid the drain pipe port of export and pipeline delivery position to occur significantly radially drop, prevent that gas from forming bubble herein because the areal pressure difference of the surface tension difference with medicinal liquid, delivery position accumulates in, get rid of bubble and with medicinal liquid, enter the hidden danger of dropping funnel below infusion pipeline, use safety, and without being inverted dropping funnel, easy to operate while using.Wherein, the length of hole enlargement transition region is not less than 1.5mm, and the top internal diameter of hole enlargement transition region and the difference of bottom internal diameter are not more than 0.6mm, and the difference of the bottom internal diameter of the port outside diameter of the drain pipe port of export and hole enlargement transition region is not more than 0.6mm.
Described only liquid device is a liquid medicine filtering membrane, liquid medicine filtering membrane is fixed on aerofluxus core top, this liquid medicine filtering membrane is the permeable filter membrane of choke, when dropping funnel inner liquid medicine flows to end, the permeable filter membrane of choke can play the effect that intercepts air, prevents from entering aerofluxus core and below infusion pipeline, finally reaches only liquid function.Due to rejection rate >=99% of this filter membrane to 5 μ m and above granule, can reach the effect of secondary filter medicinal liquid, so this transfusion device is without other configuration liquid medicine filter, dual-use material, provides cost savings.
Lead channel on described aerofluxus core sidewall is evenly equipped with three, and the horizontal sextant angle between adjacent lead channel is 120 °.In aerofluxus core, lead channel is uniformly distributed, and can make the uniform liquid that splashes into dropping funnel flow in the infusion pipeline of dropping funnel below, and be conducive to the liquid of the lead channel of flowing through to carry out aerofluxus.
The beneficial effect that this utility model compared with prior art had is:
This transfusion system structure advantages of simple, during use without being inverted or extruding dropping funnel, flow regulator is also without cutting out, easy to operate, air-filtering membrane and exhaust hole can be discharged the air in dropping funnel smoothly, the aerofluxus core of dropping funnel, liquid outlet and aerofluxus core lead channel can prevent the generation of bubble or accumulate, and the gas in the gas-liquid mixture entering in dropping funnel can be discharged; Only the liquid medicine filtering membrane in liquid device stops that the filter effect of liquid is outstanding, liquid dependable performance only, safe and convenient to use, fast reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram of dropping funnel bottom in Fig. 1.
In figure: 1, needle for inserting bottle; 2, infusion pipeline; 3, dropping funnel; 4, air-filtering membrane; 5, from exhaustor; 6, exhaust hole; 7, stop liquid device; 8, lead channel; 9, aerofluxus core; 10, drain pipe; 11, flow regulator; 12, cone joint; 13, venoclysis needle; 14, hole enlargement transition region; 15, the drain pipe port of export.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As Fig. 1, shown in 2, from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, comprise needle for inserting bottle 1, infusion pipeline 2, dropping funnel 3, flow regulator 11, cone joint 12 and venoclysis needle 13, in dropping funnel 3, automatic exhauster is set, automatic exhauster comprises from exhaustor 5 and air-filtering membrane 4, from exhaustor 5 lower ends, be fixed on dropping funnel 3 bottoms, in exhaustor 5, there is the exhaust hole 6 that is communicated with dropping funnel 3 inner chambers and ambient atmosphere, air-filtering membrane 4 is fixed on from exhaustor 5 tops, the inner side of dropping funnel 3 bottoms arranges Anti-bubble device, Anti-bubble device is the aerofluxus core 9 of hollow, the sidewall of aerofluxus core 9 is provided with lead channel 8, aerofluxus core 9 inner chambers communicate with the drain pipe 10 of dropping funnel 3 lower ends, aerofluxus core 9, the drain pipe 10 of dropping funnel 3 bottoms and dropping funnel 3 lower ends adopts integrative-structure, the top of aerofluxus core 9 arranges only liquid device 7.
Wherein: the port of export of drain pipe 10 adopts hole enlargement transition region 14, and the internal diameter of hole enlargement transition region 14 is greater than the internal diameter of epimere drain pipe, and hole enlargement transition region 14 from top to bottom internal diameter increase gradually, prevent that bubble from accumulating or entering dropping funnel 3 below infusion pipelines; The length of hole enlargement transition region 14 is not less than 1.5mm, and the top internal diameter of hole enlargement transition region 14 and the difference of bottom internal diameter are not more than 0.6mm, and the difference of the bottom internal diameter of the port outside diameter of the drain pipe port of export 15 and hole enlargement transition region 14 is not more than 0.6mm; Only liquid device 7 is a liquid medicine filtering membrane, and liquid medicine filtering membrane is fixed on aerofluxus core 9 tops, and this liquid medicine filtering membrane is the permeable filter membrane of choke; Lead channel 8 on aerofluxus core 9 sidewalls is evenly equipped with three, and the horizontal sextant angle between adjacent lead channel 8 is 120 °.
During operation, needle for inserting bottle 1 is inserted to infusion bottle, do not need to be inverted dropping funnel 3, do not need to close flow regulator 11 yet, medicinal liquid flows in dropping funnel 3 through infusion pipeline 2, air in dropping funnel 3 is discharged by air-filtering membrane 4 and steam vent, medicinal liquid flows in dropping funnel 3 and first splashes on the permeable filter membrane of choke, filtration buffering through the permeable filter membrane of choke touches aerofluxus core 9, surface tension and capillarity due to liquids and gases, first aerofluxus body, when liquid level continuation rising covers aerofluxus core 9, break through surface tension liquid and through the lead channel 8 of aerofluxus core 9, enter the inside of aerofluxus core 9 hollows, thereby flow in the drain pipe 10 of dropping funnel 3 belows, because thereby action of gravity liquid continues finally to flow in patient body through venoclysis needle 13 toward current downflow.
This utility model is simple in structure, by the lead channel 8 on aerofluxus core 9 sidewalls, the gas in the interior gas-liquid mixture of dropping funnel 3 can be discharged smoothly, and liquid flows in the drain pipe 10 of dropping funnel 3 lower ends by aerofluxus core 9; The hole enlargement transition region 14 that drain pipe 10 places arrange can prevent that bubble from accumulating or entering dropping funnel 3 below infusion pipelines, uses safety, and while using without being inverted dropping funnel 3, flow regulator 11 is also without cutting out, easy to operate; The top of aerofluxus core 9 arranges only liquid device 7 (being the permeable filter membrane of choke), when dropping funnel 3 inner liquid medicines flow to end, the permeable filter membrane of choke can play the effect that intercepts air, prevents from entering aerofluxus core 9 and below infusion pipeline, finally reach only liquid function, the permeable filter membrane of choke can also play the effect of secondary filter medicinal liquid simultaneously, without configuring in addition liquid medicine filter, realize dual-use material, provide cost savings.
Claims (5)
1. one kind from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, comprise needle for inserting bottle (1), infusion pipeline (2), dropping funnel (3), flow regulator (11), cone joint (12) and venoclysis needle (13), it is characterized in that: dropping funnel arranges automatic exhauster in (3), automatic exhauster comprises from exhaustor (5) and air-filtering membrane (4), from exhaustor (5) lower end, be fixed on dropping funnel (3) bottom, the exhaust hole (6) in exhaustor (5) with connection dropping funnel (3) inner chamber and ambient atmosphere, air-filtering membrane (4) is fixed on from exhaustor (5) top, the inner side of dropping funnel (3) bottom arranges Anti-bubble device, Anti-bubble device is the aerofluxus core (9) of hollow, the sidewall of aerofluxus core (9) is provided with lead channel (8), aerofluxus core (9) inner chamber communicates with the drain pipe (10) of dropping funnel (3) lower end, aerofluxus core (9), the drain pipe (10) of dropping funnel (3) bottom and dropping funnel (3) lower end adopts integrative-structure, the top of aerofluxus core (9) arranges only liquid device (7).
2. according to claim 1 from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, it is characterized in that: the port of export of described drain pipe (10) adopts hole enlargement transition region (14), the internal diameter of hole enlargement transition region (14) is greater than the internal diameter of epimere drain pipe, and hole enlargement transition region (14) from top to bottom internal diameter increase gradually.
3. according to claim 2 from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, it is characterized in that: the length of described hole enlargement transition region (14) is not less than 1.5mm, the top internal diameter of hole enlargement transition region (14) and the difference of bottom internal diameter are not more than 0.6mm, and the difference of the bottom internal diameter of the port outside diameter of drain pipe (10) port of export (15) and hole enlargement transition region (14) is not more than 0.6mm.
4. according to claim 1 from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set, it is characterized in that: described only liquid device (7) is a liquid medicine filtering membrane, and liquid medicine filtering membrane is fixed on aerofluxus core (9) top.
5. arbitrary described from aerofluxus Anti-bubble automatic liquid-stopping precision filter infusion set according to claim 1～4, it is characterized in that: the lead channel (8) on described aerofluxus core (9) sidewall is evenly equipped with three, and the horizontal sextant angle between adjacent lead channel (8) is 120 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318470.8U CN203898838U (en) | 2014-06-14 | 2014-06-14 | Self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus |
| PCT/CN2014/090237 WO2015188576A1 (en) | 2014-06-14 | 2014-11-04 | Self-venting, anti-bubble, automatic fluid checking, precision filtration, infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318470.8U CN203898838U (en) | 2014-06-14 | 2014-06-14 | Self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898838U true CN203898838U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318470.8U Expired - Lifetime CN203898838U (en) | 2014-06-14 | 2014-06-14 | Self-exhaust bubble-prevention automatic-liquid-stopping fine filtration infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898838U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001243A (en) * | 2014-06-14 | 2014-08-27 | 山东新华安得医疗用品有限公司 | Self-exhausting bubble prevention automatic liquid stopping precise filtering infusion apparatus |
| CN104399141A (en) * | 2014-12-16 | 2015-03-11 | 山东新华安得医疗用品有限公司 | Multi-functional slow-emptying and exhausting infusion apparatus |
| WO2015188576A1 (en) * | 2014-06-14 | 2015-12-17 | 山东新华安得医疗用品有限公司 | Self-venting, anti-bubble, automatic fluid checking, precision filtration, infusion apparatus |
-
2014
- 2014-06-14 CN CN201420318470.8U patent/CN203898838U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001243A (en) * | 2014-06-14 | 2014-08-27 | 山东新华安得医疗用品有限公司 | Self-exhausting bubble prevention automatic liquid stopping precise filtering infusion apparatus |
| WO2015188576A1 (en) * | 2014-06-14 | 2015-12-17 | 山东新华安得医疗用品有限公司 | Self-venting, anti-bubble, automatic fluid checking, precision filtration, infusion apparatus |
| CN104399141A (en) * | 2014-12-16 | 2015-03-11 | 山东新华安得医疗用品有限公司 | Multi-functional slow-emptying and exhausting infusion apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 255086 No. 999, Zunxian Road, high tech Zone, Zibo City, Shandong Province Patentee after: Shandong ande medical supplies Co.,Ltd. Address before: No.77, North Road, development zone, high tech Zone, Zibo City, Shandong Province Patentee before: SHINVA ANDE HEALTHCARE APPARATUS Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |