CN107441582A - A kind of automatic liquid-stopping filtering dropping funnel, system and its method of work - Google Patents
A kind of automatic liquid-stopping filtering dropping funnel, system and its method of work Download PDFInfo
- Publication number
- CN107441582A CN107441582A CN201710677162.2A CN201710677162A CN107441582A CN 107441582 A CN107441582 A CN 107441582A CN 201710677162 A CN201710677162 A CN 201710677162A CN 107441582 A CN107441582 A CN 107441582A
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- China
- Prior art keywords
- liquid
- stopping
- dropping funnel
- automatic liquid
- filter
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 89
- 239000012528 membrane Substances 0.000 claims abstract description 32
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 230000037361 pathway Effects 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
- A61M2005/1652—Filter with duct, e.g. filtering element incorporated in a flow line, tube, duct
-
- 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
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
- A61M2005/1657—Filter with membrane, e.g. membrane, flat sheet type infusion filter
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/75—General characteristics of the apparatus with filters
- A61M2205/7527—General characteristics of the apparatus with filters liquophilic, hydrophilic
Abstract
The present invention relates to dropping funnel technical field, discloses a kind of automatic liquid-stopping filtering dropping funnel, including:Dropping funnel body and automatic liquid-stopping filter, dropping funnel body includes cavity, puncture outfit, air inlet, inlet channel and feed pathway, inlet channel and feed pathway connect with cavity, cavity lower end is provided with exhaust outlet and automatic liquid-stopping filter, automatic liquid-stopping filter is located inside cavity, and its top and bottom is respectively equipped with steam vent and exhaust outlet and liquid outlet, and the covering of steam vent upper end stops liquid air ventilation membrane, steam vent is connected with exhaust outlet, and liquid outlet passes cavity.The automatic liquid-stopping for including the present invention invention additionally discloses a kind of automatic liquid-stopping filtration system and its method of work filters dropping funnel, leads to the airproof characteristic of liquid using choke filter membrane, when liquid flow is net in body, due to the effect of fluid-tight, realizes the function of automatic liquid-stopping;Choke filter membrane has filtering function simultaneously;The dropping funnel body and automatic liquid-stopping filter of the present invention uses modularized design, simple in construction.
Description
Technical field
The present invention relates to medical instruments field, and dropping funnel, system and its work side are filtered more particularly to a kind of automatic liquid-stopping
Method.
Background technology
At present, when clinical vein is infused in medical field, generally used using disposable transfusion device, such transfusion device
Problems with journey be present:After the completion of transfusion, due to there is no automatic liquid-stopping function, need medical personnel change in time infusion bottle or
Transfusion needle is pulled out, otherwise air, which can enter in patient, causes aeroembolism, or other such as blood back unsafe factors, and these all can be straight
The working strength for adding medical personnel and heavy mental burden are connect, while when being critically ill patient in face of urgent transfusion and rescue,
Serious consequence will be caused.
The content of the invention
(1) technical problems to be solved
It is an object of the invention to provide a kind of automatic liquid-stopping filtering dropping funnel, system and its method of work, solves prior art
In disposable transfusion device without automatic liquid-stopping, automatic exhaust, automatic controlling liquid level height, anti-blood back function the defects of.
(2) technical scheme
In order to solve the above-mentioned technical problem, the present invention provides a kind of automatic liquid-stopping filtering dropping funnel, it is characterised in that including:
Dropping funnel body and automatic liquid-stopping filter, the dropping funnel body include cavity, puncture outfit, air inlet, inlet channel and feed liquor
Passage, the fluid hole and feed pathway of the inlet channel lower end connect with the cavity, and the cavity lower end is provided with exhaust
Mouth and automatic liquid-stopping filter, the automatic liquid-stopping filter are located at the inside cavity, the automatic liquid-stopping filtering dress
Put and be additionally provided with choke filter membrane, the top and bottom of the automatic liquid-stopping filter are respectively equipped with steam vent and liquid outlet, institute
To state the covering of steam vent upper end and stop liquid air ventilation membrane, the steam vent is connected with the exhaust outlet, and the liquid outlet passes the cavity,
For discharging liquid.
Wherein, one or more groups that are shaped as cylinder, cone and cuboid etc. of the automatic liquid-stopping filter
Close.
Wherein, the automatic liquid-stopping device is emptied for center section, and the choke filter membrane, which is wrapped in, described empties part.
Wherein, the inlet channel is additionally provided with head protector and sky crosses film.
Invention additionally discloses a kind of automatic liquid-stopping filtration system, include the automatic liquid-stopping of medicinal liquid bottle, adjuster and the present invention
Dropping funnel is filtered, the puncture outfit of the automatic liquid-stopping filtering dropping funnel inserts the medicinal liquid bottle, with automatic liquid-stopping filtering dropping funnel
The conduit of liquid outlet connection is provided with the adjuster.
Invention additionally discloses a kind of method of work of automatic liquid-stopping Filtration Filtration system, including:When fluid hole flow is more than
During liquid outlet, liquid enters dropping funnel from fluid hole;Air in dropping funnel is discharged through only liquid air ventilation membrane, steam vent, exhaust outlet, dropping funnel
Interior liquid level rises;The air in automatic liquid-stopping filter is discharged from liquid outlet simultaneously, is treated in automatic liquid-stopping filter
Liquid ability liquid outlet discharge after air emptying, so can be thoroughly the air emptying in automatic liquid-stopping filter;
When liquid level is higher than only liquid air ventilation membrane, the gas in dropping funnel can not discharge from steam vent, now dropping funnel internal gas
Pressure is more than external atmosphere pressure, makes the liquid of fluid hole can not flow out, and the liquid level in dropping funnel keeps constant;
When liquid liquid outlet is discharged, when liquid level is less than only liquid air ventilation membrane, dropping funnel internal gas pressure is less than ambient atmosphere
Pressure, liquid is set to be discharged from fluid hole mouth;
Choke due to choke filter membrane after emptying rate of liquid in dropping funnel body acts on, and intrinsic gas cannot be introduced into certainly
It is dynamic only its liquid is retained in automatic liquid-stopping filter in liquid filter.
(3) beneficial effect
A kind of automatic liquid-stopping filtering dropping funnel provided by the invention, leads to liquid using automatic liquid-stopping filter and choke filter membrane
Airproof characteristic, when liquid flows to end, due to the effect of fluid-tight, the air in cavity cannot be introduced into automatic liquid-stopping filter
Interior liquid is by area by realizing the function that automatic liquid-stopping filters;The dropping funnel body and automatic liquid-stopping filter of the present invention
It is simple in construction using modularized design.
Brief description of the drawings
Fig. 1 is the structural representation that a kind of automatic liquid-stopping of the present invention filters dropping funnel embodiment 1;
Fig. 2 is the left view of automatic liquid-stopping filter of the present invention;
Fig. 3 is the front view of automatic liquid-stopping filter of the present invention;
Fig. 4 is the simple function dropping funnel of the application of the present invention;
Fig. 5 is the simple function filter of the application of the present invention;
Fig. 6 is the schematic diagram applied in transfusion device of the present invention;
In figure, cavity (1);Inlet channel (2);Feed pathway (3);Sky crosses film (4);Fluid hole (5);Head protector (6);Enter
Gas port (7);Only liquid air ventilation membrane (8);Steam vent (9);Automatic liquid-stopping device (10);Choke filter membrane (11);Exhaust outlet (12);Go out
Liquid mouth (13);Medicinal liquid bottle (A);Automatic liquid-stopping dropping funnel (B);Adjuster (C).
Embodiment
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can
To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As shown in Figure 1, Figure 2 and Figure 3, the present invention discloses a kind of automatic liquid-stopping filtering dropping funnel, including:Dropping funnel body and automatic
Only liquid filter, the dropping funnel body include cavity 1, puncture outfit, air inlet 7, inlet channel 2 and feed pathway 3, it is described enter
The fluid hole 5 and feed pathway 3 of the lower end of gas passage 2 connect with the cavity 1, and the lower end of cavity 1 is provided with the He of exhaust outlet 12
Automatic liquid-stopping filter 10, the automatic liquid-stopping filter 10 is inside the cavity 1, the automatic liquid-stopping filtering dress
Put 10 and be additionally provided with choke filter membrane 11, the top and bottom of the automatic liquid-stopping filter 10 are respectively equipped with steam vent 9 and gone out
Liquid mouth 13, the upper end of steam vent 9 covering stop liquid air ventilation membrane 8, and the steam vent 9 is connected with the exhaust outlet 12, it is described go out liquid
Mouth 13 passes the cavity 1, for discharging liquid.Specifically, puncture outfit (not marked in figure) is used to penetrate medicinal liquid bottle.
Wherein, the one or more for being shaped as cylinder, cone and cuboid etc. of the automatic liquid-stopping filter 10
Combination.As shown in Figures 2 and 3, automatic liquid-stopping filter 10 is preferably cylinder.
Wherein, the automatic liquid-stopping filter 10 is emptied for center section, and the choke filter membrane 11 is wrapped in described
Empty part.Decoction is emptied from centre partially passes through choke filter membrane 11, and gas stops from the upper end of automatic liquid-stopping filter 10
Liquid air ventilation membrane 8 is by realizing from degassing function.
Wherein, the inlet channel 2 is additionally provided with head protector 6 and sky crosses film 4, is connected for dropping funnel with outside air, controls
Air pressure in dropping funnel is identical with the external world.
As shown in Figure 4 and Figure 5, it is simple function dropping funnel and simple function filter.
As shown in fig. 6, invention additionally discloses a kind of automatic liquid-stopping filtration system, including automatic liquid-stopping filtering dropping funnel, decoction
Bottle A, automatic liquid-stopping filtering dropping funnel B and adjuster C.
Invention additionally discloses a kind of method of work of automatic liquid-stopping filtration system, including:Puncture outfit is inserted in medicinal liquid bottle,
Head protector outside air is opened through air inlet by inlet channel to enter in cavity;Because atmospheric pressure effect decoction leads to through feed liquor
Road, fluid hole enter dropping funnel;Air in dropping funnel is discharged through only liquid air ventilation membrane, steam vent, exhaust outlet, on the liquid level in dropping funnel
Rise;
When liquid level is higher than only liquid air ventilation membrane, the gas in dropping funnel can not discharge now gas pressure and external atmosphere pressure phase
Together, the liquid level in dropping funnel is kept constant, realizes the function of control liquid level;
The liquid in adjuster dropping funnel is opened under gravity through choke filter membrane, automatic liquid-stopping filter hollow bulb
Divide and discharged from liquid outlet, the gas in liquid can not be discharged with liquid due to the choke function of choke filter membrane, formed
Gas-liquid separation, gas are discharged through only liquid air ventilation membrane, and liquid is discharged through choke filter membrane, do not have bubble generation in liquid, without doctor
Shield personnel first extrude dropping funnel, then go with wasting time and energy to discharge bubble, both ensure that the safety of patient, and have also mitigated medical personnel's
Working strength is realized from degassing function;
Due to the intrinsic gas of choke filter membrane after emptying rate of liquid in dropping funnel body, automatic liquid-stopping filtering cannot be introduced into
Its liquid is retained in automatic liquid-stopping device in device, play a part of only liquid.In the vein pressure of human body be 600~900 millimeters
Water column, blood, which can not just flow back, when suitable with human vein pressure when dropping funnel body height is higher than 600~900 millimeter of water plays
The function of return blood.
The foregoing is merely illustrative of the preferred embodiments of the present invention, be not intended to limit the invention it is new, it is all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvements made etc., should be included in protection scope of the present invention it
It is interior.
Claims (6)
1. a kind of automatic liquid-stopping filters dropping funnel, it is characterised in that including:Dropping funnel body and automatic liquid-stopping filter, the drop
Bucket body includes cavity (1), puncture outfit, air inlet (7), inlet channel (2) and feed pathway (3), under the inlet channel (2)
The fluid hole (5) and feed pathway (3) at end connect with the cavity (1), cavity (1) lower end be provided with exhaust outlet (12) and
Automatic liquid-stopping filter (10), the automatic liquid-stopping filter (10) is internal located at the cavity (1), the automatic liquid-stopping
Filter (10) is additionally provided with choke filter membrane (11), and the top and bottom of the automatic liquid-stopping filter (10) are respectively equipped with
Steam vent (9) and exhaust outlet (12) and liquid outlet (13), steam vent (9) the upper end covering stop liquid air ventilation membrane (8), the exhaust
Hole (9) is connected with the exhaust outlet (12), and the liquid outlet (13) passes the cavity (1), for discharging liquid.
2. automatic liquid-stopping as claimed in claim 1 filters dropping funnel, it is characterised in that the automatic liquid-stopping filter (10)
It is shaped as one or more geometric formats combination of cylinder, cone and cuboid etc..
3. automatic liquid-stopping as claimed in claim 1 filters dropping funnel, it is characterised in that the automatic liquid-stopping filter (10) is
Center section is emptied, and the choke filter membrane (11), which is wrapped in, described empties part.
4. automatic liquid-stopping as claimed in claim 1 filters dropping funnel, it is characterised in that the inlet channel (2) is additionally provided with protection
Cap (6) and sky cross film (4).
5. a kind of automatic liquid-stopping filtration system, it is characterised in that including in medicinal liquid bottle (A), adjuster (C) and claim 1-4
The automatic liquid-stopping filtering dropping funnel (B) of any one, the puncture outfit of the automatic liquid-stopping filtering dropping funnel (B) insert the medicinal liquid bottle
(A) conduit, connected with the liquid outlet (13) of automatic liquid-stopping filtering dropping funnel (B) is provided with the adjuster (C).
A kind of 6. method of work of automatic liquid-stopping filtration system, it is characterised in that including:
When the flow of fluid hole 5 is more than liquid outlet 13, liquid enters dropping funnel from fluid hole 5;Air in dropping funnel is through only liquid air ventilation membrane
8th, steam vent 9, exhaust outlet 12 are discharged, and the liquid level in dropping funnel rises;The air in automatic liquid-stopping filter 10 is from going out liquid simultaneously
Mouth 13 is discharged, and liquid could discharge from liquid outlet 13 after the air emptying in automatic liquid-stopping filter 10, so can be thoroughly
The air emptying in automatic liquid-stopping filter 10;
When liquid level is higher than only liquid air ventilation membrane, the gas in dropping funnel can not discharge from steam vent 9, now dropping funnel internal gas pressure
More than external atmosphere pressure, make the liquid of fluid hole 5 can not flow out, the liquid level in dropping funnel keeps constant;
When liquid liquid outlet 13 is discharged, when liquid level is less than only liquid air ventilation membrane, dropping funnel internal gas pressure is less than external atmosphere pressure,
Liquid is set to be discharged from fluid hole mouth 13;
Choke due to choke filter membrane after emptying rate of liquid in dropping funnel body acts on, and intrinsic gas cannot be introduced into auto-stopping
Its liquid is set to be retained in automatic liquid-stopping device in liquid filter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710677162.2A CN107441582B (en) | 2017-08-09 | 2017-08-09 | Automatic liquid stopping filtering dropping funnel, system and working method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710677162.2A CN107441582B (en) | 2017-08-09 | 2017-08-09 | Automatic liquid stopping filtering dropping funnel, system and working method thereof |
Publications (2)
Publication Number | Publication Date |
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CN107441582A true CN107441582A (en) | 2017-12-08 |
CN107441582B CN107441582B (en) | 2023-10-24 |
Family
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CN201710677162.2A Active CN107441582B (en) | 2017-08-09 | 2017-08-09 | Automatic liquid stopping filtering dropping funnel, system and working method thereof |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000066200A1 (en) * | 1999-05-03 | 2000-11-09 | Becton Dickinson Medizintechnik Gmbh & Co. Kg | Infusion apparatus |
CN203169747U (en) * | 2012-12-21 | 2013-09-04 | 江西三鑫医疗科技股份有限公司 | Automatic air exhausting and liquid stopping infusion set |
CN103301524A (en) * | 2013-06-14 | 2013-09-18 | 山东新华安得医疗用品有限公司 | Disposable infusion apparatus capable of stopping liquid and exhausting air automatically |
CN103495224A (en) * | 2013-09-26 | 2014-01-08 | 淮安市恒春医疗器材有限公司 | Liquid-stopping tank-type automatic exhaust liquid-stopping infusion apparatus |
CN104474603A (en) * | 2014-12-26 | 2015-04-01 | 北京伏尔特技术有限公司 | Self-exhausting, liquid-stopping and liquid-purifying infusion apparatus and safe infusion method thereof |
CN206045083U (en) * | 2016-07-19 | 2017-03-29 | 北京凯利尔医疗科技有限公司 | A kind of transfusion device |
CN208552692U (en) * | 2017-08-09 | 2019-03-01 | 北京凯利尔医疗科技有限公司 | A kind of automatic liquid-stopping filtering dropping funnel and its system |
-
2017
- 2017-08-09 CN CN201710677162.2A patent/CN107441582B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000066200A1 (en) * | 1999-05-03 | 2000-11-09 | Becton Dickinson Medizintechnik Gmbh & Co. Kg | Infusion apparatus |
CN203169747U (en) * | 2012-12-21 | 2013-09-04 | 江西三鑫医疗科技股份有限公司 | Automatic air exhausting and liquid stopping infusion set |
CN103301524A (en) * | 2013-06-14 | 2013-09-18 | 山东新华安得医疗用品有限公司 | Disposable infusion apparatus capable of stopping liquid and exhausting air automatically |
CN103495224A (en) * | 2013-09-26 | 2014-01-08 | 淮安市恒春医疗器材有限公司 | Liquid-stopping tank-type automatic exhaust liquid-stopping infusion apparatus |
CN104474603A (en) * | 2014-12-26 | 2015-04-01 | 北京伏尔特技术有限公司 | Self-exhausting, liquid-stopping and liquid-purifying infusion apparatus and safe infusion method thereof |
CN206045083U (en) * | 2016-07-19 | 2017-03-29 | 北京凯利尔医疗科技有限公司 | A kind of transfusion device |
CN208552692U (en) * | 2017-08-09 | 2019-03-01 | 北京凯利尔医疗科技有限公司 | A kind of automatic liquid-stopping filtering dropping funnel and its system |
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Publication number | Publication date |
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CN107441582B (en) | 2023-10-24 |
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