CN201930309U - Bubble-free anti-bleed-return infusion set - Google Patents
Bubble-free anti-bleed-return infusion set Download PDFInfo
- Publication number
- CN201930309U CN201930309U CN2010206431268U CN201020643126U CN201930309U CN 201930309 U CN201930309 U CN 201930309U CN 2010206431268 U CN2010206431268 U CN 2010206431268U CN 201020643126 U CN201020643126 U CN 201020643126U CN 201930309 U CN201930309 U CN 201930309U
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- liquid medicine
- liquid
- medicine filter
- feed tube
- filter
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Abstract
The utility model discloses a bubble-free anti-bleed-return infusion set, which comprises a cork puncture unit, an upper air filter, a dropper, a dropper bulb, a liquid medicine filter, a flow adjuster, a vein infusion needle and the like. The bubble-free anti-bleed-return infusion set is characterized in that a casing of the liquid medicine filter is composed of a liquid medicine filter upper casing and a liquid medicine filter lower casing together while the liquid medicine filter upper casing and the liquid medicine filter lower casing are separate, a liquid stopping type liquid medicine filtration film is mounted in the liquid medicine filter lower casing, the liquid stopping type liquid medicine filtration film and the bottom end of a concave cavity in the liquid medicine filter lower casing form a small space which ensures full filtration of liquid medicine, and a main liquid inlet tube is arranged on the liquid medicine filter upper casing. An auxiliary liquid inlet tube extending into the dropper bulb is arranged beside the main liquid inlet tube. An automatic exhaust device composed of a lower air filter and an exhaust plug is arranged on one side of the liquid medicine filter upper casing. The bubble-free anti-bleed-return infusion set has the advantages that automatic exhaustion in the process of infusion is achieved, the liquid medicine is automatically stoppable in flowing to avoid blood return, the liquid medicine can be easily processed in the liquid medicine filter, finished product rate is high, and the like.
Description
Technical field
This utility model relates to the aseptic medical equipment that is used for the clinical transfusion purposes, especially relates to a kind ofly having automatic vent, ending the transfusion device of liquid and blood return prevention function automatically.
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 device pipeline, 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 ofly have the automatic vent function, to end the transfusion device of liquid and blood return prevention function automatically just particularly important.
And in actual production process, because liquid medicine filter is a complete housing, liquid medicine filtering membrane is difficult in directly machine-shaping in the liquid medicine filtering membrane, and defect rate is higher, increases production cost.
Summary of the invention
The purpose of this utility model be to provide a kind of can automatic vent in infusion process, medicinal liquid can stop automatically flowing, prevent that blood from refluxing, liquid medicine filtering membrane is easy to processing in liquid medicine filter, yield rate height, transfusion device simple in structure, easy for operation.
The purpose of this utility model is achieved in that this utility model is by the bottle plug puncture unit protective sleeve, bottle plug puncture unit, the aerofluxus tubulature, last air filter, the transfusion tubulature, dropper, last liquid injecting piece, dropping funnel, liquid medicine filter, the transfusion long duct, flow regulator, following liquid injecting piece, outer cone joint and disposable use venoclysis needle are formed, feature is: the housing of liquid medicine filter is made up of isolating liquid medicine filter upper casing and the amalgamation of liquid medicine filter lower casing, bottom in the liquid medicine filter lower casing is equipped with only liquid type liquid medicine filtering membrane, the centre of the base plate in the liquid medicine filter lower casing is processed with the matrix chamber, around the matrix chamber of base plate, be processed with ring-like plane, only liquid type liquid medicine filtering membrane is fixed and is fitted on the ring-like plane of base plate, the bottom, matrix chamber of ending in liquid type liquid medicine filtering membrane and the liquid medicine filter lower casing forms a little space, and the matrix chamber of base plate can make the medicinal liquid that ends liquid type liquid medicine filtering membrane of flowing through be filtered fully; Be provided with the main feed tube that extend in the dropping funnel at the liquid medicine filter upper casing.
At the other auxilliary feed tube that extend in the dropping funnel that also is provided with of the main feed tube of liquid medicine filter upper casing, the internal diameter of main feed tube is greater than the internal diameter of auxilliary feed tube, the height of main feed tube is higher than the height of auxilliary feed tube, and main feed tube, auxilliary feed tube all can flow in the inner chamber of liquid medicine filter for medicinal liquid.
The only outer rim of liquid type liquid medicine filtering membrane is pushed down in the lower end of liquid medicine filter upper casing.
Side at the liquid medicine filter upper casing is processed with the automatic exhaust device of being made up of incorporate air filter down and venting plug, be provided with the air filtration hole that is communicated with the inner chamber of liquid medicine filter in the infra air filter, but be provided with the air filtration film of filtered air on the top in air filtration hole, prevent that antibacterial and dust from entering; The upper end of infra air filter is fixed with and can covers or open the venting plug in air filtration hole.
The operation principle of automatic exhaust device: in the process that transfusion operation begins, automatically discharge the gas in dropping funnel and the liquid medicine filter, 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.Air in the liquid medicine filter can be discharged in automatic exhaust device.
End the operation principle of liquid type liquid medicine filtering membrane: after bottle plug puncture unit inserts the infusion vessel bottle stopper, medicinal liquid flows in the dropping funnel fast, main feed tube by the liquid medicine filter upper casing, auxilliary feed tube flows into the inner chamber of liquid medicine filter, the liquid medicine filtering membrane of flowing through again, medicinal liquid is filtered fully, when the medicinal liquid of infusion bottle is totally lost when finishing, the medicinal liquid liquid level of main feed tube upper end descends gradually, after the liquid level for the treatment of medicinal liquid drops to the same horizontal plane of main feed tube of high position, the medicinal liquid liquid level forms a liquid level difference, can only continue to flow in the liquid medicine filter by the auxilliary feed tube of lower position, the internal diameter of the auxilliary feed tube of cause is less, can play the effect of current limliting, medicinal liquid will become sluggish flow, in this process, also because medicinal liquid is arranged at sluggish flow all the time, malleation greater than Venous system is still arranged in the transfusion device pipeline, (1～10 minute) prevents that intravenous blood is back in the transfusion device pipeline at short notice, play the function that prevents blood back, wait to remain medicinal liquid all after the auxilliary feed tube of too small internal diameter flows into the inner chamber of liquid medicine filter, when arriving the position of ending liquid type liquid medicine filtering membrane, tiny and the air negative pressure principle because of the aperture of ending liquid type liquid medicine filtering membrane, can stop air to pass through liquid medicine filtering membrane, make the static intravenous that no longer flows into of medicinal liquid in the transfusion long duct, thereby can prevent in the air admission infusion pipeline, can effectively prevent in the air admission patient body, reach the purpose of ending liquid automatically.
This utility model is to have set up to have the automatic vent function and prevent that blood backflow and bubble from entering the liquid medicine filter of human body on the basis of traditional disposable infusion set.This utility model 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.Liquid medicine filter can be directly installed on the dropping funnel lower end, also can be connected with dropping funnel by conduit.
When this utility model uses, earlier 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, all discharge with the interior air of liquid medicine filter in the dropping funnel by automatic exhaust device, the liquid level of medicinal liquid constantly rises, and medicinal liquid enters in the transfusion long duct again, flows out from venoclysis needle needle tubing endoporus, automatically get rid of the bubble in the transfusion long duct, close flow regulator, the vein that punctures is according to a conventional method opened 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 finishes, main feed tube, the auxilliary feed tube that height is different and end liquid type liquid medicine filtering membrane and have an effect, thus stop the air admission infusion pipeline, reach blood return prevention and end the liquid function automatically, can effectively prevent in blood backflow and the air admission patient body.
Therefore, the utlity model 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; 3, after the medicinal liquid infusion in the medicinal liquid bottle finishes, end liquid type liquid medicine filtering membrane and 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.Select the secondary filter film if 4, end liquid type liquid medicine filtering membrane, can prevent that diameter is imported in the human body greater than the granule foreign of 5 μ m in the medicinal liquid, avoided the formation of thrombosis the medicinal liquid secondary filter.5, can the complete infusion of the medicinal liquid in the dropping funnel is thorough, avoid liquid waste.6, simple, the liquid medicine filtering membrane of product structure is easy to processing, very high, safe and reliable, the easy processing of yield rate in liquid medicine filter, and 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 utility model;
Fig. 2 is the amplification profile sketch map of liquid medicine filter.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing this utility model is described in further detail.
This utility model is by bottle plug puncture unit protective sleeve 1, bottle plug puncture unit 2, aerofluxus tubulature 3, last air filter 4, transfusion tubulature 5, dropper 6, last liquid injecting piece 7, dropping funnel 8, liquid medicine filter 9, transfusion long duct 10, flow regulator 11, following liquid injecting piece 12, outer cone joint 13 and disposable use venoclysis needle 14 are formed, the housing 17 of liquid medicine filter 9 is made up of isolating liquid medicine filter upper casing 16 and 19 amalgamations of liquid medicine filter lower casing, bottom in liquid medicine filter lower casing 19 is equipped with only liquid type liquid medicine filtering membrane 15, the centre of the base plate 25 in liquid medicine filter lower casing 19 is processed with matrix chamber 26, around the matrix chamber 26 of base plate 25, be processed with ring-like plane 18, only liquid type liquid medicine filtering membrane 15 is fixed and is fitted on the ring-like plane 18 of base plate 25,26 bottoms, matrix chamber of ending in liquid type liquid medicine filtering membrane 15 and the liquid medicine filter lower casing 19 form a little space, and the matrix chamber 26 of base plate 25 can make the medicinal liquid that ends liquid type liquid medicine filtering membrane 15 of flowing through be filtered fully; Be provided with the main feed tube 20 that extend in the dropping funnel 8 at liquid medicine filter upper casing 16.
The main feed tube 20 other auxilliary feed tubes 21 that extend in the dropping funnel 8 that also are provided with at liquid medicine filter upper casing 16, the internal diameter of main feed tube 20 is greater than the internal diameter of auxilliary feed tube 21, the height of main feed tube 20 is higher than the height of auxilliary feed tube 21, and main feed tube 20, auxilliary feed tube 21 all can flow in the inner chamber 27 of liquid medicine filter 9 for medicinal liquid.
The internal diameter of main feed tube 20 is 1～3 ㎜, and the internal diameter of auxilliary feed tube 21 is 0.3～0.9 ㎜, and the height of main feed tube 20 is higher than the height of auxilliary feed tube 21, and differing distance is 10～30 ㎜.
The only outer rim of liquid type liquid medicine filtering membrane 15 is pushed down in the lower end of liquid medicine filter upper casing 16.
Side at liquid medicine filter upper casing 16 is processed with the automatic exhaust device of being made up of incorporate air filter 28 down and venting plug 22, be provided with the air filtration hole 24 that is communicated with the inner chamber 27 of liquid medicine filter 9 in the infra air filter 28, but be provided with the air filtration film 23 of filtered air on the top in air filtration hole 24, prevent that antibacterial and dust from entering; The upper end of infra air filter 28 is fixed with the venting plug 22 that can cover or open the air filtration hole.
Claims (5)
1. no bubble blood return preventing infusion device, by bottle plug puncture unit protective sleeve (1), bottle plug puncture unit (2), aerofluxus tubulature (3), last air filter (4), transfusion tubulature (5), dropper (6), last liquid injecting piece (7), dropping funnel (8), liquid medicine filter (9), transfusion long duct (10), flow regulator (11), following liquid injecting piece (12), outer cone joint (13) and disposable use venoclysis needle (14) are formed, it is characterized in that: the housing (17) of liquid medicine filter (9) is made up of isolating liquid medicine filter upper casing (16) and liquid medicine filter lower casing (19) amalgamation, bottom in liquid medicine filter lower casing (19) is equipped with only liquid type liquid medicine filtering membrane (15), the centre of the base plate (25) in liquid medicine filter lower casing (19) is processed with matrix chamber (26), matrix chamber (26) at base plate (25) is processed with ring-like plane (18) on every side, ending liquid type liquid medicine filtering membrane (15) is fixed on the ring-like plane (18) that is fitted in base plate (25), end liquid type liquid medicine filtering membrane (15) and the interior little space of formation, bottom, matrix chamber (26) of liquid medicine filter lower casing (19), the matrix chamber (26) of base plate (25) can make the medicinal liquid that ends liquid type liquid medicine filtering membrane (15) of flowing through be filtered fully; Be provided with the main feed tube (20) that extend in the dropping funnel (8) at liquid medicine filter upper casing (16).
2. no bubble blood return preventing infusion device according to claim 1, it is characterized in that: at the other auxilliary feed tube (21) that extend in the dropping funnel (8) that also is provided with of the main feed tube (20) of liquid medicine filter upper casing (16), the internal diameter of main feed tube (20) is greater than the internal diameter of auxilliary feed tube (21), the height of main feed tube (20) is higher than the height of auxilliary feed tube (21), and main feed tube (20), auxilliary feed tube (21) all can flow in the inner chamber (27) of liquid medicine filter (9) for medicinal liquid.
3. no bubble blood return preventing infusion device according to claim 2, it is characterized in that: the internal diameter of main feed tube (20) is 1～3 ㎜, the internal diameter of auxilliary feed tube (21) is 0.3～0.9 ㎜, and the height of main feed tube (20) is higher than the height of auxilliary feed tube 21, and differing distance is 10～30 ㎜.
4. no bubble blood return preventing infusion device according to claim 2, it is characterized in that: the side at liquid medicine filter upper casing (16) is processed with the automatic exhaust device of being made up of incorporate air filter (28) down and venting plug (22), be provided with the air filtration hole (24) that is communicated with the inner chamber (27) of liquid medicine filter (9) in the infra air filter (28), in air filtration hole (24) but the top be provided with the air filtration film (23) of filtered air, prevent that antibacterial and dust from entering; The upper end of infra air filter (28) is fixed with the venting plug (22) that can cover or open the air filtration hole.
5. no bubble blood return preventing infusion device according to claim 1 is characterized in that: the only outer rim of liquid type liquid medicine filtering membrane (15) is pushed down in the lower end of liquid medicine filter upper casing (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206431268U CN201930309U (en) | 2010-12-06 | 2010-12-06 | Bubble-free anti-bleed-return infusion set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206431268U CN201930309U (en) | 2010-12-06 | 2010-12-06 | Bubble-free anti-bleed-return infusion set |
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| Publication Number | Publication Date |
|---|---|
| CN201930309U true CN201930309U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206431268U Expired - Lifetime CN201930309U (en) | 2010-12-06 | 2010-12-06 | Bubble-free anti-bleed-return infusion set |
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| CN (1) | CN201930309U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350014A (en) * | 2011-09-09 | 2012-02-15 | 浙江康泰医疗器械有限公司 | Infusion set |
| CN102553033A (en) * | 2012-02-05 | 2012-07-11 | 戎静华 | Automatic air-exhausting and liquid-stopping infusion set |
| CN103191499A (en) * | 2013-03-27 | 2013-07-10 | 贾宇东 | Positioning installation structure of pointed bubble stopping exhaust film in dripping bottle exhaust vent |
| CN103830796A (en) * | 2012-11-26 | 2014-06-04 | 湖南省绿洲惠康发展有限公司 | Disposable automatic liquid stopping and blood returning preventing infusion set free of bubbles |
| CN104162215A (en) * | 2014-09-04 | 2014-11-26 | 西安力邦医疗电子有限公司 | Adjustable multi-channel precise infusion set |
| CN104248787A (en) * | 2013-06-07 | 2014-12-31 | 江西丽华鑫朗药业科技有限公司 | Double-layered precision automatic infusion-stopping infusion set |
| CN105079917A (en) * | 2015-09-16 | 2015-11-25 | 武汉智迅创源科技发展股份有限公司 | Automatic anti-bubble liquid-stopping filter |
| CN108785793A (en) * | 2018-07-26 | 2018-11-13 | 江西洪达医疗器械集团有限公司 | Injection member and infusion apparatus containing the injection member |
| CN113813470A (en) * | 2021-09-16 | 2021-12-21 | 华中科技大学同济医学院附属协和医院 | High-efficiency microbubble-removing infusion apparatus |
-
2010
- 2010-12-06 CN CN2010206431268U patent/CN201930309U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350014A (en) * | 2011-09-09 | 2012-02-15 | 浙江康泰医疗器械有限公司 | Infusion set |
| CN102553033A (en) * | 2012-02-05 | 2012-07-11 | 戎静华 | Automatic air-exhausting and liquid-stopping infusion set |
| CN103830796A (en) * | 2012-11-26 | 2014-06-04 | 湖南省绿洲惠康发展有限公司 | Disposable automatic liquid stopping and blood returning preventing infusion set free of bubbles |
| CN103191499A (en) * | 2013-03-27 | 2013-07-10 | 贾宇东 | Positioning installation structure of pointed bubble stopping exhaust film in dripping bottle exhaust vent |
| CN104248787A (en) * | 2013-06-07 | 2014-12-31 | 江西丽华鑫朗药业科技有限公司 | Double-layered precision automatic infusion-stopping infusion set |
| CN104162215A (en) * | 2014-09-04 | 2014-11-26 | 西安力邦医疗电子有限公司 | Adjustable multi-channel precise infusion set |
| CN104162215B (en) * | 2014-09-04 | 2016-05-11 | 西安力邦医疗电子有限公司 | A kind of adjustable multichannel precision transfusion device |
| CN105079917A (en) * | 2015-09-16 | 2015-11-25 | 武汉智迅创源科技发展股份有限公司 | Automatic anti-bubble liquid-stopping filter |
| CN108785793A (en) * | 2018-07-26 | 2018-11-13 | 江西洪达医疗器械集团有限公司 | Injection member and infusion apparatus containing the injection member |
| CN108785793B (en) * | 2018-07-26 | 2023-08-29 | 江西洪达医疗器械集团有限公司 | Injection member and infusion apparatus comprising same |
| CN113813470A (en) * | 2021-09-16 | 2021-12-21 | 华中科技大学同济医学院附属协和医院 | High-efficiency microbubble-removing infusion apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |