CN101954135A - Automatic exhaust blood-return-resistant infusion apparatus - Google Patents
Automatic exhaust blood-return-resistant infusion apparatus Download PDFInfo
- Publication number
- CN101954135A CN101954135A CN201010293593.7A CN201010293593A CN101954135A CN 101954135 A CN101954135 A CN 101954135A CN 201010293593 A CN201010293593 A CN 201010293593A CN 101954135 A CN101954135 A CN 101954135A
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- dropping funnel
- air
- needle
- liquid medicament
- venting
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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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/165—Filtering accessories, e.g. blood filters, filters for infusion liquids
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- Health & Medical Sciences (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)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention discloses an automatic exhaust blood-return-resistant infusion apparatus. The infusion apparatus comprises a bottle plug puncture outfit protective sleeve, a bottle plug puncture outfit, an air filter, a dropping funnel, a flow regulator, a liquid medicament filter, a disposable venous infusion needle and the like and is characterized in that: a precision liquid medicament filtering membrane is arranged at a bottom end inside the dropping funnel; a concave cavity is formed in the middle of a bottom plate inside the dropping funnel; an annular plane is processed around the concave cavity of the bottom plate; the precision liquid medicament filtering membrane is tightly attached to the annular plane of the bottom plate by ultrasonic or high frequency heat seal; the concave cavity of the bottom plate can allow the liquid medicament flowing through the precision liquid medicament filtering membrane to be filtered fully; and an automatic venting device consisting of a venting plug, an air filter and a venting needle is arranged on a dropping funnel cover. The infusion apparatus has the advantages of venting automatically in an infusion process, automatically preventing the liquid medicament from flowing, preventing blood from flowing backwards, simplifying venting operation steps and reducing the working strength of medical care personnel, along with the advantages of simple structure, safety and reliability.
Description
Technical field
The present invention relates to be used for the aseptic medical equipment of clinical transfusion purposes, especially relate to a kind of have automatic vent and the automatic transfusion device that ends liquid blood return prevention function.
Background technology
At present, the general infusion set that medical field is commonly used is formed by bottle plug puncture unit protective sleeve, bottle plug puncture unit, transfusion tubulature, aerofluxus tubulature, air filter, dropper, dropping funnel, flow regulator, transfusion long duct, liquid medicine filter and disposable use venoclysis needle.When general infusion set has just begun in transfusion, must be by manually squeezing dropping funnel, medicinal liquid could be introduced in the dropping funnel from infusion bottle, enter the process of dropping funnel at medicinal liquid from dropper by pipeline, medicinal liquid is discharged the gas in the dropping funnel downwards the formation gas-liquid mixture easily and is entered in the long transfusion catheter, therefore produce bubble, simultaneously, because the surface tension effects of transfusion long duct inwall, inwall at the transfusion long duct adsorbs a spot of bubble easily, the process of getting rid of bubble is comparatively difficult, time-consuming and loaded down with trivial details, if bubble enters in patient's body, easily causes harm such as aeroembolism.So, medical personnel are before infusing, must be artificial with the emptying as much as possible of the bubble in the transfusion device long duct, common artificial deflated method is: after bottle plug puncture unit is inserted transfusion bottle stopper, earlier dropping funnel is hung upside down, squeeze dropping funnel with hands simultaneously, medicinal liquid is entered in the dropping funnel, after treating that certain amount of fluid is full of dropping funnel, put down dropping funnel, just most bubble may be got rid of, but have a spot of minute bubbles to be adsorbed on the inwall of transfusion long duct, medical personnel are again with finger springing transfusion long duct, the bubble of absorption could slowly rise in the dropping funnel, the process of this artificial aerofluxus bubble is not only loaded down with trivial details but also time-consuming, in the working strength that increases medical personnel, also is unfavorable for promptly infusing and giving emergency treatment to a patient.
And in the clinical transfusion process, medical personnel's labor intensity is very big, common medical personnel will look after the transfusion of patient in several wards, usually occur failing in time to observe the phenomenon that the infusion bottle inner liquid medicine has been totally lost and has not in time been changed infusion bottle or extract infusion needle because of medical personnel, patient or family numbers of patients, this can cause blood to go back up in a whole set of transfusion organ pipe, or liquid level descended low and causes gas to enter human body causing adverse consequencess such as aeroembolism, brought heavy mental burden for medical personnel, patient or family numbers of patients.
Therefore, in clinical transfusion operation, uses a kind of have the automatic vent function and end the transfusion device of liquid blood return prevention function automatically just particularly important.
Summary of the invention
The object of the present invention is to provide a kind of can automatic vent in infusion process, medicinal liquid automatically stop solution flow, prevent that blood from refluxing, simple in structure, safe and reliable transfusion device.
The object of the present invention is achieved like this: the present invention includes the bottle plug puncture unit protective sleeve; bottle plug puncture unit; the aerofluxus tubulature; air filter; dropper; dropping funnel; flow regulator; the transfusion long duct; liquid medicine filter and disposable use venoclysis needle; the left end that covers at the dropping funnel of dropping funnel is processed with liquid injection device; feature is: the bottom in dropping funnel is equipped with the precision liquid medicine filter membrane; the centre of the base plate in dropping funnel is processed with the matrix chamber; around the matrix chamber of base plate, be processed with ring-like plane; the precision liquid medicine filter membrane fits tightly on the ring-like plane of base plate through ultrasonic or high frequency heat seal, and the matrix chamber of base plate can make the medicinal liquid of the precision liquid medicine filter membrane of flowing through be filtered fully.
Cover at dropping funnel the automatic exhaust device of being made up of incorporate venting plug, air filter and exhaust needle is installed, exhaust needle is passed down through the dropping funnel lid and is close to the dropping funnel inwall and is positioned at dropping funnel, be provided with an exhaust needle endoporus that is communicated with and supplies circulation of air with the air filtration hole at the middle part of exhaust needle, be fixed with on the top of exhaust needle and be positioned at dropping funnel and cover air filter above the end, be provided with in the bottom in the air filtration hole of air filter and can filter the air filtration film that enters air in the dropping funnel by the exhaust needle endoporus, prevent that antibacterial and dust from entering; Be fixed with in the upper end of air filter and can cover or open the venting plug in air filtration hole.
The operation principle of precision liquid medicine filter membrane: when the medicinal liquid of infusion bottle is totally lost when finishing, medicinal liquid liquid level in the dropping funnel descends gradually, when the liquid level of medicinal liquid drops to the position of precision liquid medicine filter membrane, tiny and the air negative pressure principle because of the aperture of precision liquid medicine filter membrane, can stop air to pass through the precision liquid medicine filter membrane, thereby can prevent in the air admission infusion pipeline, can prevent from effectively to reach the purpose of ending the liquid blood return prevention automatically in blood backflow and the air admission patient body.
The operation principle of automatic exhaust device: in the process that transfusion operation begins, discharge the gas in the dropping funnel automatically, it can effectively prevent the generation of bubble and prevent that bubble from entering in the transfusion long duct, make the process of transfusion aerofluxus bubble not only easy but also quick.
The present invention has set up to have on the basis of traditional disposable infusion set to prevent that blood backflow and bubble from entering the precision liquid medicine filter membrane and the automatic exhaust device with energy degassing function of human body.The present invention in use, with the transfusion set operating procedure is the same, do not change operator's use habit, also can reduce the loaded down with trivial details step that manually squeezes dropping funnel aerofluxus bubble, can prevent again simultaneously that blood from going back up in a whole set of transfusion organ pipe, or liquid level descended low and causes gas to enter human body causing adverse consequencess such as aeroembolism, eliminated the mental burden of medical personnel, patient or family numbers of patients, really accomplished safe infusion.
When the present invention uses, whether the venting plug of confirming automatic exhaust device earlier is opened, bottle plug puncture unit is inserted in the infusion vessel bottle stopper, do not need to squeeze dropping funnel with hands, need not hang upside down dropping funnel, medicinal liquid enters in the dropping funnel automatically, and the air in the dropping funnel is all discharged by automatic exhaust device, and the liquid level of medicinal liquid constantly rises, medicinal liquid enters in the transfusion long duct again, flow out from venoclysis needle needle tubing endoporus, get rid of bubble automatically, close flow regulator, close the venting plug of automatic exhaust device, vein according to a conventional method punctures, open flow regulator, regulate and drip speed, get final product normal infusion.Among this process, also bubble-free sneaking in the whole communication path, bubble can directly not enter as general infusion set in the transfusion long duct, thereby prevent that effectively bubble from producing, when transfusion finished, the precision liquid medicine filter membrane was had an effect, thereby stoped the air admission infusion pipeline, reach and end liquid blood return prevention function automatically, can effectively prevent in blood backflow and the air admission patient body.
Therefore, the present invention has following advantage: 1, in transfusion operation process in early stage, need not squeeze dropping funnel can introduce medicinal liquid in the dropping funnel, simplify the bleeding step, alleviate medical personnel's working strength, it solves existing transfusion device and steeps the problem loaded down with trivial details, that lose time of working in infusion process because of aerofluxus; 2, need not hang upside down dropping funnel can discharge the gas in the dropping funnel automatically, can prevent that bubble from producing and prevent that bubble from entering in the infusion pipeline, and the liquid level in the dropping funnel can be controlled at a certain level altitude automatically, prevents that the liquid level in the dropping funnel is too high, is difficult to observe medicine liquid droplet speed; 3, after the medicinal liquid infusion in the medicinal liquid bottle finishes, the precision liquid medicine filter membrane can prevent that blood from refluxing, stop to cause blood to go back up in a whole set of transfusion organ pipe because of in time not pulling out infusion needle, or liquid level descended low and caused gas to enter human body and caused adverse consequencess such as aeroembolism, removed the patient and in infusion process, entered the worry that human body causes adverse consequencess such as aeroembolism because of gas, can prevent simultaneously that transfusion from finishing back blood backflow and entering in the transfusion device pipeline, cause lacking safety guarantee, healthcare givers or patient and family members' mental burden and heavily wait problem.4, the precision liquid medicine filter membrane prevents that to the medicinal liquid secondary filter diameter is imported in the human body greater than the granule foreign of 5 μ m in the medicinal liquid, has avoided the formation of thrombosis.5, can the complete infusion of the medicinal liquid in the dropping funnel is thorough, avoid liquid waste.6, simple, safe and reliable, the easy processing of product structure, the step that simplifies the operation does not change operator's use habit, can be widely used in clinical.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the amplification profile sketch map of a-quadrant among Fig. 1;
Fig. 3 is the generalized section of dropping funnel and automatic exhaust device.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
The present invention includes bottle plug puncture unit protective sleeve 1; bottle plug puncture unit 2; aerofluxus tubulature 3; air filter 4; dropper 9; dropping funnel 10; transfusion long duct 11; flow regulator 12; following liquid injecting piece 13; outer cone joint 14 and disposable use venoclysis needle 15; transfusion tubulature 16; left end on the dropping funnel lid 8 of dropping funnel 10 is processed with liquid injection device 6; in the bottom of dropping funnel 10 precision liquid medicine filter membrane 5 is installed; the centre of the base plate 19 in dropping funnel 10 is processed with matrix chamber 17; around the matrix chamber 17 of base plate 19, be processed with ring-like plane 18; precision liquid medicine filter membrane 5 fits tightly on the ring-like plane 18 of base plate through ultrasonic or high frequency heat seal, and the matrix chamber 17 of base plate 19 can make the medicinal liquid of the precision liquid medicine filter membrane 5 of flowing through be filtered fully.
On dropping funnel lid 8, be equipped with by incorporate venting plug 20, the automatic exhaust device 7 that dropping funnel air filter 23 and exhaust needle 25 are formed, exhaust needle 25 is passed down through dropping funnel lid 8 and is close to dropping funnel 10 inwalls and is positioned at dropping funnel 10, be provided with an exhaust needle endoporus 24 that is communicated with and supplies circulation of air with air filtration hole 22 at the middle part of exhaust needle 25, be fixed with on the top of exhaust needle 25 and be positioned at the dropping funnel air filter 23 that dropping funnel covers 8 upper end, be provided with in the bottom in the air filtration hole 22 of dropping funnel air filter 23 and can filter the air filtration film 21 that enters air in the dropping funnel 10 by exhaust needle endoporus 24, prevent that antibacterial and dust from entering; Be fixed with the venting plug 20 that can cover or open air filtration hole 22 in the upper end of dropping funnel air filter 23.
Claims (2)
1. automatic exhausting anti-blood backflow infusion apparatus; comprise bottle plug puncture unit protective sleeve 1; bottle plug puncture unit 2; aerofluxus tubulature 3; air filter 4; dropper 9; dropping funnel 10; transfusion long duct 11; flow regulator 12; following liquid injecting piece 13; outer cone joint 14 and disposable use venoclysis needle 15; transfusion tubulature 16; left end on the dropping funnel lid 8 of dropping funnel 10 is processed with liquid injection device 6; it is characterized in that: precision liquid medicine filter membrane 5 is installed in the bottom of dropping funnel 10; the centre of the base plate 19 in dropping funnel 10 is processed with matrix chamber 17; around the matrix chamber 17 of base plate 19, be processed with ring-like plane 18; precision liquid medicine filter membrane 5 fits tightly on the ring-like plane 18 of base plate through ultrasonic or high frequency heat seal, and the matrix chamber 17 of base plate 19 can make the medicinal liquid of the precision liquid medicine filter membrane 5 of flowing through be filtered fully.
2. automatic exhausting anti-blood backflow infusion apparatus as claimed in claim 1, it is characterized in that: on dropping funnel lid 8, be equipped with by incorporate venting plug 20, the automatic exhaust device 7 that dropping funnel air filter 23 and exhaust needle 25 are formed, exhaust needle 25 is passed down through dropping funnel lid 8 and is close to dropping funnel 10 inwalls and is positioned at dropping funnel 10, be provided with an exhaust needle endoporus 24 that is communicated with and supplies circulation of air with air filtration hole 22 at the middle part of exhaust needle 25, be fixed with on the top of exhaust needle 25 and be positioned at the dropping funnel air filter 23 that dropping funnel covers 8 upper end, be provided with in the bottom in the air filtration hole 22 of dropping funnel air filter 23 and can filter the air filtration film 21 that enters air in the dropping funnel 10 by exhaust needle endoporus 24, prevent that antibacterial and dust from entering; Be fixed with the venting plug 20 that can cover or open air filtration hole 22 in the upper end of dropping funnel air filter 23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010293593.7A CN101954135A (en) | 2010-09-27 | 2010-09-27 | Automatic exhaust blood-return-resistant infusion apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010293593.7A CN101954135A (en) | 2010-09-27 | 2010-09-27 | Automatic exhaust blood-return-resistant infusion apparatus |
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| CN101954135A true CN101954135A (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010293593.7A Pending CN101954135A (en) | 2010-09-27 | 2010-09-27 | Automatic exhaust blood-return-resistant infusion apparatus |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309788A (en) * | 2011-09-01 | 2012-01-11 | 金剑波 | Multifunctional safety infusion apparatus |
| CN103230636A (en) * | 2013-05-19 | 2013-08-07 | 江西科伦医疗器械制造有限公司 | Safety dripping bucket of puncture device |
| CN103330966A (en) * | 2013-06-14 | 2013-10-02 | 何前国 | Infusion apparatus capable of controlling blood reflow time through utilizing slow release of micropore passage |
| CN104436360A (en) * | 2014-12-30 | 2015-03-25 | 北京伏尔特技术有限公司 | Automatic exhaust and automatic liquid stopping dropping bucket and automatic exhaust and automatic liquid stopping method thereof |
| CN104491949A (en) * | 2014-12-26 | 2015-04-08 | 北京伏尔特技术有限公司 | Multifunctional safe infusion device and safe infusion method |
| CN104800919A (en) * | 2015-04-28 | 2015-07-29 | 山东威高集团医用高分子制品股份有限公司 | Burette type infusion set |
| CN105233361A (en) * | 2015-10-29 | 2016-01-13 | 江西洪达医疗器械集团有限公司 | Easy-blood return variable diameter infusion device |
| CN106860953A (en) * | 2017-04-13 | 2017-06-20 | 王辉 | A kind of automatic exhaust automatic liquid-stopping sensitive blood returning transfusion system tool and its technical scheme |
| CN107088241A (en) * | 2017-05-18 | 2017-08-25 | 盛林 | A kind of Novel anti-stab hinders precision filter infusion set |
| CN110448284A (en) * | 2019-09-05 | 2019-11-15 | 深圳安特医疗股份有限公司 | Invasive Pressure Sensor |
| CN110507874A (en) * | 2019-09-17 | 2019-11-29 | 江西丽华鑫朗药业科技有限公司 | A multi-functional infusion device with double exhaust and multi-layer precision filtration and liquid stopper |
| CN111388800A (en) * | 2020-03-18 | 2020-07-10 | 江西洪达医疗器械集团有限公司 | Self-stopping precise infusion apparatus |
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| CN201806996U (en) * | 2010-09-27 | 2011-04-27 | 江西洪达医疗器械集团有限公司 | Blood-back prevention infusion apparatus capable of automatically venting |
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2010
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| CN2104673U (en) * | 1991-09-13 | 1992-05-20 | 泸州医学院 | Infusion apparatus having automatic exhaust |
| EP0888789B1 (en) * | 1997-07-01 | 2002-09-25 | BIOFIL S.r.l. | Sterile system and method for filtering biological or medical fluids, especially blood or blood components |
| EP1106193A1 (en) * | 1999-12-01 | 2001-06-13 | B. Braun Melsungen Ag | Infusion device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309788B (en) * | 2011-09-01 | 2012-11-28 | 金剑波 | Multifunctional safety infusion apparatus |
| CN102309788A (en) * | 2011-09-01 | 2012-01-11 | 金剑波 | Multifunctional safety infusion apparatus |
| CN103230636B (en) * | 2013-05-19 | 2015-04-08 | 江西科伦医疗器械制造有限公司 | Safety dripping bucket of puncture device |
| CN103230636A (en) * | 2013-05-19 | 2013-08-07 | 江西科伦医疗器械制造有限公司 | Safety dripping bucket of puncture device |
| CN103330966A (en) * | 2013-06-14 | 2013-10-02 | 何前国 | Infusion apparatus capable of controlling blood reflow time through utilizing slow release of micropore passage |
| CN103330966B (en) * | 2013-06-14 | 2014-09-03 | 何前国 | Infusion apparatus capable of controlling blood reflow time through utilizing slow release of micropore passage |
| CN104491949B (en) * | 2014-12-26 | 2018-01-19 | 北京伏尔特技术有限公司 | A kind of Multifunctional safety transfusion system and safe infusion method |
| CN104491949A (en) * | 2014-12-26 | 2015-04-08 | 北京伏尔特技术有限公司 | Multifunctional safe infusion device and safe infusion method |
| CN104436360A (en) * | 2014-12-30 | 2015-03-25 | 北京伏尔特技术有限公司 | Automatic exhaust and automatic liquid stopping dropping bucket and automatic exhaust and automatic liquid stopping method thereof |
| CN104800919A (en) * | 2015-04-28 | 2015-07-29 | 山东威高集团医用高分子制品股份有限公司 | Burette type infusion set |
| CN105233361A (en) * | 2015-10-29 | 2016-01-13 | 江西洪达医疗器械集团有限公司 | Easy-blood return variable diameter infusion device |
| CN106860953A (en) * | 2017-04-13 | 2017-06-20 | 王辉 | A kind of automatic exhaust automatic liquid-stopping sensitive blood returning transfusion system tool and its technical scheme |
| CN107088241A (en) * | 2017-05-18 | 2017-08-25 | 盛林 | A kind of Novel anti-stab hinders precision filter infusion set |
| CN110448284A (en) * | 2019-09-05 | 2019-11-15 | 深圳安特医疗股份有限公司 | Invasive Pressure Sensor |
| CN110507874A (en) * | 2019-09-17 | 2019-11-29 | 江西丽华鑫朗药业科技有限公司 | A multi-functional infusion device with double exhaust and multi-layer precision filtration and liquid stopper |
| CN111388800A (en) * | 2020-03-18 | 2020-07-10 | 江西洪达医疗器械集团有限公司 | Self-stopping precise infusion apparatus |
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Open date: 20110126 |