CN104274886A - Precise automatic liquid-stopping air-bubble-proof infusion device - Google Patents
Precise automatic liquid-stopping air-bubble-proof infusion device Download PDFInfo
- Publication number
- CN104274886A CN104274886A CN201310321915.8A CN201310321915A CN104274886A CN 104274886 A CN104274886 A CN 104274886A CN 201310321915 A CN201310321915 A CN 201310321915A CN 104274886 A CN104274886 A CN 104274886A
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- China
- Prior art keywords
- liquid
- stopping
- bubble
- transfusion
- dropping
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/38—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/40—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using low-level float-valve to cut off media flow from reservoir
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M2005/1401—Functional features
- A61M2005/1406—Minimizing backflow along the delivery catheter track
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a precise automatic liquid-stopping air-bubble-proof infusion device which comprises an infusion tube, a flow adjuster, a puncture device, a drip bucket, a Luer taper and an infusion needle, wherein a flow guide tube used for preventing liquid drops from falling and forming air bubbles is arranged in the drip bucket; an air-bubble-proof valve is mounted on the flow guide tube; an automatic liquid-stopping layer is arranged in the drip bucket; a precise filtering film is used for automatically stopping liquid. During an infusion process, the precise automatic liquid-stopping air-bubble-proof infusion device can prevent the liquid drops from forming the air bubbles in the drip bucket; when the liquid is completely infused, the liquid can be automatically stopped under the effect of the hydrophily of the precise filtering film; the negative phenomenon, such as blood return, is avoided; the safety during the infusion process is ensured.
Description
Technical field
The present invention relates to medical instruments field, particularly relate to a kind of precision automatic liquid stopping function bubble-proof transfusion device.
Background technology
At present, the medical disposable infusion set for transfusion, when infusing as medicinal liquid be totally lost after blood can produce refluence, when to change bottle, not aerofluxus is dangerous, but drains gas and bother very much.Some transfusion device is equipped with the self-closing valve of all styles of at dropping funnel mouth place, although medicinal liquid can close guarantor's liquid after being totally lost automatically, changes a bottle valve opening difficulty, troublesome poeration.Blood capillary diameter in human body on average only has 7 μm ~ 9 μm, and minimum is 4 μm.If often infused, in medicinal liquid, the microgranule of diameter more than 4 μm will be accumulated in the blood capillaries such as the heart, liver, lung, brain, kidney, muscle, skin.Larger microgranule directly can cause capillary embolism, causes local blood supply insufficiency, histanoxia and cause edema and inflammation.Less microgranule may be eaten by macrophage, causes macrophage to increase, and forms granuloma.These changes in body tissue, especially can occur in lungs.In addition, microgranule also directly can cause exothermic reaction.At present in infusion process, infusion reaction happens occasionally, and except germ contamination reaction, pyrogen reaction, the particle contamination reaction that particulate matter causes also more and more is subject to people's attention.
Summary of the invention
The present invention, in order to solve the above-mentioned deficiency of prior art, proposes a kind of precision automatic liquid stopping function bubble-proof transfusion device.
In order to solve the problems of the technologies described above, the present invention is by the following technical solutions: a kind of precision automatic liquid stopping function bubble-proof transfusion device, comprise tube for transfusion and be enclosed within the flow regulator on tube for transfusion, throughly on described tube for transfusion be connected with perforator, dropping funnel, female Luer and transfusion needle, the outlet of described dropping funnel protrudes upward a mozzle, and described mozzle tube wall is provided with a pair opening flowed into for dropping liquid; The mouth of pipe of described mozzle is stamped an Anti-bubble valve, described Anti-bubble valve comprises: a Guan Gai and stretch out coupling from Guan Gai bottom and insert valve body in described mozzle, and described valve body valve wall is provided with a pair hook corresponding to described opening.
In one embodiment, the top of described mozzle is provided with the auto-stopping liquid layer be laterally fixed on dropping funnel inwall, and this auto-stopping liquid layer is integrally formed by multi-layer precise filter membrane is superimposed; Described secondary filter film has hydrophilic, and film surface distributed multiple micropore, secondary filter film contact dropping liquid, and micropore opens, and dropping liquid is through auto-stopping liquid layer; Secondary filter film departs from dropping liquid, and micropore closes, and isolated air passes through, and the dropping funnel cavity below auto-stopping liquid layer forms negative pressure, stops transfusion.
The upper end of described dropping funnel is also provided with an exhaustor, and described exhaustor is with pipe cap.
Compared with prior art, the mozzle that the present invention is arranged and Anti-bubble valve are worked as dropping liquid and are entered in dropping funnel, Anti-bubble valve upwards hikes up and allows dropping liquid opening from the side enter mozzle, infuse again, prevent and in dropping liquid process, form bubble in dropping funnel cause harmful effect, and utilize the hydrophilic of secondary filter film, when the dropping liquid height in dropping funnel is higher than auto-stopping liquid layer, micropore on accurate overanxious film all opens, and dropping liquid, through auto-stopping liquid layer, is infused; When dropping liquid height is lower than auto-stopping liquid layer, dropping liquid departs from secondary filter film, and the micropore of secondary filter film is closed automatically, prevents air from entering, and dropping liquid just can not continue dirty, stops transfusion; The anti-backflow device being arranged on female Luer further prevents the backflow in tube for transfusion of dropping liquid, prevents in infusion process and occurs blood back phenomenon.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A enlarged drawing of the present invention;
Fig. 3 is the installation diagram of mozzle of the present invention and Anti-bubble valve.
Detailed description of the invention
Below in conjunction with drawings and Examples, invention is described in detail.
As shown in Figure 1, the precision automatic liquid stopping function blood return preventing infusion device that the present invention proposes, the flow regulator 2 comprising tube for transfusion 1 and be enclosed within tube for transfusion, also throughly on tube for transfusion 1 be connected with perforator 3, dropping funnel 4, female Luer 5 and transfusion needle 6, outlet in dropping funnel 4 protrudes upward a mozzle 7, mozzle 7 tube wall is provided with the opening 71 that a row flows into for dropping liquid, the mouth of pipe of mozzle 7 is stamped an Anti-bubble valve 8, Anti-bubble valve comprises pipe lid 81 and stretches out the valve body 82 in coupling insertion mozzle 7 from pipe lid 81 bottom, valve body 82 valve wall is provided with a pair hook 83 corresponding to described opening 71.
The top of mozzle 7 is also provided with the auto-stopping liquid layer 9 be laterally fixed on dropping funnel 4 inwall, and this auto-stopping liquid layer 9 is integrally formed by multi-layer precise filter membrane is superimposed; The upper end of dropping funnel 4 is also provided with an exhaustor 10, and exhaustor is with pipe cap.
During concrete transfusion, dropping liquid flowing presses down air, and due to back-pressure effect, air is flowed out by exhaustor 10, achieves automatic vent, without the need to being exhausted pipe tedious work, can not cause the drug contamination of section office, having liberated manpower, save the time.
Dropping liquid is dirty enters into dropping funnel 4, passes through, and is dropped on auto-stopping liquid layer 9, auto-stopping liquid layer 9 contacts dropping liquid, so the micropore on secondary filter film opens, allows dropping liquid pass through, in normal infusion process, dropping liquid floods Anti-bubble valve 8, because pipe cap 81 is subject to buoyancy, upwards pulls valve body 82, finally link up with 83 barbs on opening 71, dropping liquid just passes through from the opening 71 of mozzle 7, and the dropping liquid height in dropping funnel is higher than auto-stopping liquid layer, and the micropore on secondary filter film all opens always infuses; At the end of transfusion slowly, dropping liquid height in dropping funnel fall until lower than auto-stopping liquid layer time, dropping liquid departs from secondary filter film, the micropore of secondary filter film is closed automatically, prevent air from entering, below such auto-stopping liquid layer, dropping funnel cavity forms a negative pressure, and dropping liquid just can not continue dirty, has accomplished automatic termination transfusion; Anti-bubble valve 8, when dropping funnel 4 dropping liquid falls, also can achieve valve-closing action because of gravity.
In the present invention, auto-stopping liquid layer 8 is by the design of the secondary filter film of multilamellar, greatly improve medicinal liquid purity, effectively prevent monolayer secondary filter film transfusion device from holding susceptible to plugging problem at injection such as infusion Chinese patent medicine, fat milks, two-layer filter membrane is overlapping, reduce filter area, improve the effect of filtration.
Above-described embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, patent of the present invention and protection domain should be as the criterion with appended claims.
Claims (4)
1. a precision automatic liquid stopping function bubble-proof transfusion device, comprise tube for transfusion (1) and be enclosed within the flow regulator (2) on tube for transfusion, throughly on described tube for transfusion be connected with perforator (3), dropping funnel (4), female Luer (5) and transfusion needle (6), it is characterized in that: the outlet of described dropping funnel (4) protrudes upward a mozzle (7), described mozzle (7) tube wall is provided with a pair opening (71) flowed into for dropping liquid; The mouth of pipe of described mozzle (7) is stamped an Anti-bubble valve (8), described Anti-bubble valve comprises: a pipe lid (81) and stretch out coupling from Guan Gai (81) bottom and insert valve body (82) in described mozzle (7), and described valve body (82) valve wall is provided with a pair hook (83) corresponding to described opening (71).
2. precision automatic liquid stopping function bubble-proof transfusion device as claimed in claim 1, it is characterized in that: the top of described mozzle (7) is provided with the auto-stopping liquid layer (9) be laterally fixed on dropping funnel (4) inwall, and this auto-stopping liquid layer is integrally formed by multi-layer precise filter membrane is superimposed; Described secondary filter film has hydrophilic, and film surface distributed multiple micropore, secondary filter film contact dropping liquid, and micropore opens, and dropping liquid is through automatic liquid-stopping (9) layer; Secondary filter film departs from dropping liquid, and micropore closes, and isolated air passes through, and the dropping funnel cavity of auto-stopping liquid layer (9) below forms negative pressure, stops transfusion.
3. precision automatic liquid stopping function bubble-proof transfusion device as claimed in claim 1, is characterized in that: the upper end of described dropping funnel (4) is also provided with an exhaustor (10), and described exhaustor is with pipe cap.
4. precision automatic liquid stopping function bubble-proof transfusion device as claimed in claim 1, is characterized in that: the below of described dropping funnel (4) is also provided with the valve for preventing reverse-flow (11) of a duckbill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321915.8A CN104274886B (en) | 2013-07-29 | 2013-07-29 | A kind of precision automatic liquid stopping function bubble-proof transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321915.8A CN104274886B (en) | 2013-07-29 | 2013-07-29 | A kind of precision automatic liquid stopping function bubble-proof transfusion device |
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| Publication Number | Publication Date |
|---|---|
| CN104274886A true CN104274886A (en) | 2015-01-14 |
| CN104274886B CN104274886B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310321915.8A Active CN104274886B (en) | 2013-07-29 | 2013-07-29 | A kind of precision automatic liquid stopping function bubble-proof transfusion device |
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| CN (1) | CN104274886B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310437A (en) * | 2016-08-29 | 2017-01-11 | 苏州林华医疗器械股份有限公司 | Infusion set drip chamber with automatic exhausting and liquid-stopping functions and intravenous infusion set comprising infusion set drip chamber |
| CN108785794A (en) * | 2018-08-06 | 2018-11-13 | 江西丽华鑫朗药业科技有限公司 | A kind of double medium filtration stops liquid Anti-bubble multifunctional transfusion system |
Citations (9)
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|---|---|---|---|---|
| WO2000067823A1 (en) * | 1999-05-10 | 2000-11-16 | Reifi Ltd. | Device for complete injection of antimitotic, antibiotic products or blood platelets when administered by slow intravenous perfusion |
| CN201727806U (en) * | 2009-12-24 | 2011-02-02 | 谢世庚 | Precision filtering infusion apparatus capable of automatically stopping infusion |
| CN201949452U (en) * | 2011-01-21 | 2011-08-31 | 河南曙光健士医疗器械集团有限公司 | Automatic liquid medicine closing valve |
| CN102350014A (en) * | 2011-09-09 | 2012-02-15 | 浙江康泰医疗器械有限公司 | Infusion set |
| CN202654497U (en) * | 2012-06-26 | 2013-01-09 | 广东康尔美医疗器械有限公司 | Automatic-stop blood-return resistant precise filter transfusion apparatus |
| CN202699724U (en) * | 2012-04-29 | 2013-01-30 | 山东凯利医疗器械有限公司 | Liquid-stopping-type drip bucket of infusion set |
| CN202751644U (en) * | 2012-08-15 | 2013-02-27 | 江西锦胜医疗器械集团有限公司 | Infusion set drop tube component capable of automatically stopping liquid and slowly emptying remained medicine liquid |
| US8480635B2 (en) * | 2010-03-04 | 2013-07-09 | Hsien-Tsung Wang | Automatic intravenous fluid flow control device |
| CN203400367U (en) * | 2013-07-29 | 2014-01-22 | 江西丽华鑫朗药业科技有限公司 | Precision infusion apparatus capable of automatically stopping liquid and preventing bubbles |
-
2013
- 2013-07-29 CN CN201310321915.8A patent/CN104274886B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000067823A1 (en) * | 1999-05-10 | 2000-11-16 | Reifi Ltd. | Device for complete injection of antimitotic, antibiotic products or blood platelets when administered by slow intravenous perfusion |
| CN201727806U (en) * | 2009-12-24 | 2011-02-02 | 谢世庚 | Precision filtering infusion apparatus capable of automatically stopping infusion |
| US8480635B2 (en) * | 2010-03-04 | 2013-07-09 | Hsien-Tsung Wang | Automatic intravenous fluid flow control device |
| CN201949452U (en) * | 2011-01-21 | 2011-08-31 | 河南曙光健士医疗器械集团有限公司 | Automatic liquid medicine closing valve |
| CN102350014A (en) * | 2011-09-09 | 2012-02-15 | 浙江康泰医疗器械有限公司 | Infusion set |
| CN202699724U (en) * | 2012-04-29 | 2013-01-30 | 山东凯利医疗器械有限公司 | Liquid-stopping-type drip bucket of infusion set |
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| CN202751644U (en) * | 2012-08-15 | 2013-02-27 | 江西锦胜医疗器械集团有限公司 | Infusion set drop tube component capable of automatically stopping liquid and slowly emptying remained medicine liquid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106310437A (en) * | 2016-08-29 | 2017-01-11 | 苏州林华医疗器械股份有限公司 | Infusion set drip chamber with automatic exhausting and liquid-stopping functions and intravenous infusion set comprising infusion set drip chamber |
| CN108785794A (en) * | 2018-08-06 | 2018-11-13 | 江西丽华鑫朗药业科技有限公司 | A kind of double medium filtration stops liquid Anti-bubble multifunctional transfusion system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104274886B (en) | 2016-09-07 |
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