CN202605452U - Automatic exhausting and liquid-stopping transfusion set - Google Patents

Automatic exhausting and liquid-stopping transfusion set Download PDF

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Publication number
CN202605452U
CN202605452U CN 201220172265 CN201220172265U CN202605452U CN 202605452 U CN202605452 U CN 202605452U CN 201220172265 CN201220172265 CN 201220172265 CN 201220172265 U CN201220172265 U CN 201220172265U CN 202605452 U CN202605452 U CN 202605452U
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China
Prior art keywords
dropping funnel
transfusion
liquid
automatic
regular polygon
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Expired - Lifetime
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CN 201220172265
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Chinese (zh)
Inventor
简玉梅
田军
陈来龙
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JIANGXI HONGDA MEDICAL EQUIPMENT GROUP CO Ltd
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JIANGXI HONGDA MEDICAL EQUIPMENT GROUP CO Ltd
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Priority to CN 201220172265 priority Critical patent/CN202605452U/en
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Publication of CN202605452U publication Critical patent/CN202605452U/en
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Abstract

The utility model discloses an automatic exhausting and liquid-stopping transfusion set, which comprises a puncture outfit protective sleeve, a bottle plug puncture outfit, an air filter, a liquid medicament injection piece, a dropping funnel, an automatic exhausting assembly, a flow regulator, a liquid medicament filter, a transfusion needle holder, a transfusion needle and the like, wherein the automatic exhausting assembly is arranged on a dropping funnel upper cover of the dropping funnel. The automatic exhausting and liquid-stopping transfusion set is characterized in that: an automatic liquid-stopping assembly is arranged in the dropping funnel, and consists of a shell and a U-shaped elastic sealing body; and a columnar liquid inlet channel and a support point are processed inside a dropping funnel lower cover of the dropping funnel. The automatic liquid-stopping assembly floats easily in a liquid medicament when transfusion is required, so that transfusion can be completed; and after transfusion is completed, the air inlet of the columnar liquid inlet channel on the dropping funnel lower cover can be blocked in time after transfusion, so that air bubbles are prevented from entering a long tube. Due to the adoption of the automatic exhausting and liquid-stopping transfusion set, air bubbles can be effectively prevented from being generated and entering a transfusion catheter, and the working efficiency of medical personnel can be effectively increased; meanwhile, the automatic exhausting and liquid-stopping transfusion set has an automatic liquid-stopping function, is safe and reliable for using, and is easy and convenient to operate.

Description

Automatic vent solution stopping transfusion device
Technical field
This utility model relates to the aseptic medical equipment that is used for the clinical transfusion purposes, especially relates to a kind of not only had automatic vent, but also transfusion device with automatic solution stopping function.
Background technology
At present; The general infusion set that medical field is commonly used is formed, and through each pipeline they is linked together by perforator protective sleeve, bottle plug puncture unit, air filter, dropper, dropping funnel, flow regulator, liquid medicine filter, transfusion needle stand, transfusion faller gill.
When general infusion set had just begun in transfusion, medicinal liquid flowed out from dropper through pipeline, got into dropping funnel, and liquid is prone to that the gas in the dropping funnel is discharged the formation gas-liquid mixture downwards and gets in the pipeline, and produces bubble.Simultaneously, because of the surface tension effects of infusion pipeline inwall, the inwall of transfusion catheter is prone to a spot of bubble of absorption, and it is comparatively difficult, time-consuming and loaded down with trivial details to get rid of consequent bubble process, if the bubble that is produced gets in patient's body, is prone to cause harm such as aeroembolism.So medical personnel must be artificial with the emptying as much as possible of the bubble in the catheter of transfusion system before infusing.The process of this artificial aerofluxus bubble is not only loaded down with trivial details but also time-consuming, is unfavorable for promptly infusing and giving emergency treatment to a patient.Simultaneously; In the actual clinical infusion process, medical personnel will look after the transfusion in several patients even several wards simultaneously, so being totally lost because of the medicinal liquid that medical personnel, patient or family numbers of patients fail in time to observe in the infusion bottle or in the infusion unit titrimeter appears in regular meeting; Cause in time not changing infusion bottle or extracting transfusion needle; And cause once more difficult aerofluxus, even blood is back in the blood vessel in a large number, brings heavy mental burden for medical personnel, patient or family numbers of patients.
In order to address these problems, have the patent and the product of automatic vent solution stopping transfusion device in recent years.Chinese patent: a kind of automatic vent solution stopping precision infusion set (number of patent application: 201020678964.9) propose to fit tightly the precision liquid medicine filter membrane on the interior ring-like plane of infra dropping funnel shell.But this precision liquid medicine filter membrane has special technical requirement in addition, and film material cost is higher, can not reach popular use clinical.Therefore, in clinical transfusion, use a kind of can automatic vent, have automatic solution stopping function again, and technology is prone to realize, lower-cost transfusion device just seems particularly important.
Summary of the invention
The purpose of this utility model is to provide a kind of can have automatic solution stopping function, safe and reliable, easy and simple to handle, lower-cost transfusion device again by automatic vent.
The purpose of this utility model is achieved in that
A kind of automatic vent solution stopping transfusion device; Comprise perforator protective sleeve, bottle plug puncture unit, air filter, exhaustor, short tube, liquid injecting piece, dropping funnel, automatic vent assembly, long tube, flow regulator, liquid medicine filter, transfusion needle stand, tubule and transfusion needle; On the dropping funnel of dropping funnel, cover the automatic vent assembly is installed; The automatic vent assembly is made up of incorporate inlet valve, air filtration film and exhaust needle; Characteristic is: in dropping funnel, be placed with automatic solution stopping assembly, the solution stopping assembly is made up of housing and " Qian " shape U type elasticity driving fit body automatically, and the top profile of housing is the regular polygon plug of slightly positive taper; Be processed with a plurality of uniform distribution, vertical inlet opening beyond the Great Wall at regular polygon; Lower part of frame is divided into the cylindrical body under shed, is provided with the regular polygon fin at the middle part of cylindrical body outer wall, the equal diameters of the external diameter of a circle of regular polygon fin and the circumscribed circle of regular polygon plug; Regular polygon plug and regular polygon fin connect together through the center connecting rod, and U type elasticity driving fit body tightly is enclosed within the bottom of cylindrical body; Inside center at the dropping funnel lower cover of dropping funnel is processed with the column feed pathway, is processed with a plurality of equally distributed strong points at the periphery of column feed pathway.
The external diameter of a circle of regular polygon plug is than the little 0.3mm~2.0mm of internal diameter of dropping funnel.
This utility model is to have in tradition can automatic vent to have set up automatic solution stopping assembly on the basis of disposable infusion of function; Automatically the solution stopping assembly is prone in medicinal liquid, float when need are infused; Can guarantee effectively that transfusion finishes; And can be in time after transfusion finishes the inlet of the column feed pathway of dropping funnel lower cover be shut, prevent that bubble from getting in the long tube.
This utility model is the same with the transfusion set operating procedure in use, does not change operator's use habit, also can reduce the loaded down with trivial details step that manual work squeezes dropping funnel aerofluxus bubble.When this utility model used, affirmation automatic vent component holes should be opened earlier, and flow regulator cuts out, and bottle plug puncture unit is inserted in the infusion vessel again, does not need to squeeze dropping funnel with hands, need not hang upside down dropping funnel, and medicinal liquid can get in the dropping funnel automatically.Along with the medicinal liquid in the dropping funnel constantly rises, it is big that the buoyancy that the automatic solution stopping assembly in the dropping funnel receives also progressively becomes, when buoyancy equals itself gravity, automatically the solution stopping assembly will along with the continuation of medicinal liquid rise and beginning vertical automatically toward come-up.When medicinal liquid rises to exhaust needle terminal position height, just no longer rise, medicinal liquid stops to flow, and at this moment, the solution stopping assembly also stops come-up and remains on this position height automatically.In this process, the air in the dropping funnel is all discharged through gas deflation assembly, and no bubble is sneaked in the whole communication path, thereby prevents that effectively bubble from producing and prevent that bubble from getting in the tube for transfusion; Open flow regulator, medicinal liquid begins to flow and be full of whole pipeline, up to from the transfusion faller gill, flowing out, closes flow regulator, infuses by routine puncture vein.This utility model can solve existing transfusion device infusion process because of aerofluxus bubble work loaded down with trivial details, lose time, increase safety guarantee simultaneously, reduce in infusion process getting into the worry that human body causes adverse consequencess such as aeroembolism because of gas.
This utility model has been set up automatic solution stopping function.In the normal infusion process, the solution stopping assembly floats in the medicinal liquid of a certain basic fixed position height always automatically.Medicinal liquid in infusion bottle is totally lost, and when the medicinal liquid in the dropping funnel began to descend, the solution stopping assembly can be vertical together toward descending along with the decline of medicinal liquid automatically.Hold level with both hands neat with the inlet of the column feed pathway of dropping funnel lower cover and when contacting, the feed pathway of long tube will be sealed in this bottom surface when the bottom surface of the U type elasticity driving fit body in the automatic solution stopping assembly drops to.Because also residual medicinal liquid in the long tube; Itself original action of gravity will produce a suction to the bottom surface of driving fit body, make the bottom surface that small distortion take place, and then more fastening with the inlet end sealing of dropping funnel lower cover; Simultaneously; The bottom surface of U type elasticity driving fit body is supported by a plurality of equally distributed strong point of dropping funnel lower cover, preventing the run-off the straight of automatic solution stopping assembly, and makes the solution stopping better effects if.If also need continue to change the bottle transfusion after this transfusion device solution stopping, then need only the bottle plug puncture unit of this transfusion device be inserted in the infusion bottle, after medicinal liquid got into dropping funnel automatically, along with the rising of medicinal liquid in dropping funnel, the buoyancy of solution stopping assembly was also increasing gradually automatically.When buoyancy equals suction sum that the bottom surface of itself gravity and U type elasticity driving fit body receives; Automatically the solution stopping assembly will be vertical automatically toward floating along with the continuation rising and the beginning of medicinal liquid; At this moment, the inlet of the column feed pathway of dropping funnel lower cover is opened, and begins transfusion.When the medicinal liquid in the dropping funnel rises to exhaust needle terminal position height, no longer rise, medicinal liquid stops to flow, and at this moment, the solution stopping assembly also stops come-up and remains on this position height automatically.
This utility model can prevent effectively that bubble from producing and prevent that bubble from getting in the transfusion catheter; Can effectively improve medical personnel's work efficiency; Solve existing transfusion device in the transfusion operation process or because of medicinal liquid be totally lost when in time not changing infusion bottle because of the aerofluxus bubble work loaded down with trivial details, lose time; Can effectively increase safety guarantee, reduce in infusion process getting into the worry that human body causes adverse consequencess such as aeroembolism because of gas; This utility model has automatic solution stopping function again simultaneously, and is safe and reliable, easy and simple to handle, and technology is prone to realize that cost is lower.
Description of drawings
Fig. 1 is the structural representation of this utility model;
Fig. 2 is the automatic vent assembly and the automatic generalized section of solution stopping assembly among Fig. 1;
Fig. 3 is the perspective view of the automatic solution stopping assembly among Fig. 2;
Fig. 4 is the perspective view of the dropping funnel lower cover among Fig. 1.
The specific embodiment
Below in conjunction with embodiment and contrast accompanying drawing this utility model is done further explain.
A kind of automatic vent solution stopping transfusion device is made up of perforator protective sleeve 1, bottle plug puncture unit 2, air filter 3, exhaustor 4, short tube 5, liquid injecting piece 6, dropping funnel loam cake 7, dropping funnel 8, dropping funnel lower cover 9, automatic vent assembly 10, automatic solution stopping assembly 11, long tube 12, flow regulator 13, liquid medicine filter 14, transfusion needle stand 15, tubule 16 and transfusion needle 17.
Automatic vent assembly 10 is made up of incorporate inlet valve 19, air filtration film 20 and exhaust needle 21.The endoporus 24 that in exhaust needle 21, is provided with a perforation can supply circulation of air; Exhaust needle 21 is passed down through dropping funnel loam cake 7 and gets in the dropping funnel 8; And be close to the inwall of dropping funnel 8, stretching into the end of the exhaust needle 21 in the dropping funnel 8 and the terminal vertical dimension of dropper 18 is 10mm~25mm; Air filtration film 20 is installed in endoporus 24 tops of the exhaust needle 21 outside the dropping funnel loam cake 7, through inlet valve 19 air filtration film 20 is fastened, to cover or to open endoporus 24; Air filtration film 20 can filter the air that gets in the dropping funnel 8, prevents that antibacterial and dust from getting into.
Automatically solution stopping assembly 11 is made up of housing 22 and " Qian " shape U type elasticity driving fit body 23; The top profile of housing 22 is the regular polygon plug 221 of slightly positive taper; The external diameter of a circle of regular polygon plug 221 is than the little 0.3mm~2.0mm of internal diameter of dropping funnel 8; Simultaneously, on regular polygon plug 221, be processed with a plurality of uniform distribution, vertical inlet opening 222, the bottom of housing 22 is divided into the cylindrical body 224 of downward opening; Middle part at cylindrical body 224 outer walls is provided with regular polygon fin 225, the equal diameters of the external diameter of a circle of regular polygon fin 225 and the circumscribed circle of regular polygon plug 221; Regular polygon plug 221 connects together through center connecting rod 223 with regular polygon fin 225, and U type elasticity driving fit body 23 tightly is enclosed within the bottom of cylindrical body 224, and good springiness, the extensibility of U type elasticity driving fit body 23 are good, and the baseplane is smooth.Be equipped with column feed pathway 92 in the processing of the inside center of dropping funnel lower cover 9, be processed with a plurality of equally distributed strong points 91 at the periphery of column feed pathway 92.
In the infusion process that medicinal liquid in dropping funnel 8 begins to descend; When the bottom surface of the U type elasticity driving fit body 23 in the automatic solution stopping assembly 11 drops to concordant with the inlet of the column feed pathway 92 of dropping funnel lower cover 9 and contacts; The inlet of column feed pathway 92 will be sealed in the bottom surface of U type elasticity driving fit body 23, and medicinal liquid can't get into long tube 12.Simultaneously, the bottom surface of U type elasticity driving fit body 23 is supported by a plurality of equally distributed strong point 91 of dropping funnel lower cover 9, and makes automatic solution stopping assembly 11 integral body steadily.

Claims (3)

1. automatic vent solution stopping transfusion device; Comprise perforator protective sleeve, bottle plug puncture unit, air filter, exhaustor, short tube, liquid injecting piece, dropping funnel, automatic vent assembly, long tube, flow regulator, liquid medicine filter, transfusion needle stand, tubule and transfusion needle; On the dropping funnel of dropping funnel, cover the automatic vent assembly is installed; The automatic vent assembly is made up of incorporate inlet valve, air filtration film and exhaust needle; It is characterized in that: in dropping funnel, be placed with automatic solution stopping assembly, the solution stopping assembly is made up of housing and " Qian " shape U type elasticity driving fit body automatically, and the top profile of housing is the regular polygon plug of slightly positive taper; Be processed with a plurality of uniform distribution, vertical inlet opening beyond the Great Wall at regular polygon; Lower part of frame is divided into the cylindrical body under shed, is provided with the regular polygon fin at the middle part of cylindrical body outer wall, the equal diameters of the external diameter of a circle of regular polygon fin and the circumscribed circle of regular polygon plug; Regular polygon plug and regular polygon fin connect together through the center connecting rod, and U type elasticity driving fit body tightly is enclosed within the bottom of cylindrical body; Inside center at the dropping funnel lower cover of dropping funnel is processed with the column feed pathway, is processed with a plurality of equally distributed strong points at the periphery of column feed pathway.
2. automatic vent solution stopping transfusion device according to claim 1 is characterized in that: the external diameter of a circle of regular polygon plug is than the little 0.3mm~2.0mm of internal diameter of dropping funnel.
3. automatic vent solution stopping transfusion device according to claim 1 is characterized in that: the terminal vertical dimension with the dropper end of exhaust needle that stretches in the dropping funnel is 10mm~25mm.
CN 201220172265 2012-04-23 2012-04-23 Automatic exhausting and liquid-stopping transfusion set Expired - Lifetime CN202605452U (en)

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Application Number Priority Date Filing Date Title
CN 201220172265 CN202605452U (en) 2012-04-23 2012-04-23 Automatic exhausting and liquid-stopping transfusion set

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Application Number Priority Date Filing Date Title
CN 201220172265 CN202605452U (en) 2012-04-23 2012-04-23 Automatic exhausting and liquid-stopping transfusion set

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495243A (en) * 2013-09-26 2014-01-08 淮安市恒春医疗器材有限公司 Liquid-stopping bag-type automatic exhaust liquid-stopping infusion apparatus
CN104001227A (en) * 2014-06-14 2014-08-27 山东新华安得医疗用品有限公司 Self-exhausting bubble prevention precise filtering automatic liquid stopping infusion apparatus
CN104001243A (en) * 2014-06-14 2014-08-27 山东新华安得医疗用品有限公司 Self-exhausting bubble prevention automatic liquid stopping precise filtering infusion apparatus
CN104338199A (en) * 2014-11-19 2015-02-11 何前国 Blood return preventing infusion device
CN105268062A (en) * 2015-12-02 2016-01-27 玉环县安尔康橡胶有限公司 Drip chamber of infusion apparatus
CN105944178A (en) * 2016-06-22 2016-09-21 南京鑫博维新材料技术有限公司 Auto-disposal auto-exhaustion anti-reflux needleless infusion set
CN106421973A (en) * 2016-12-05 2017-02-22 韩晓勤 Infusion apparatus drip chamber and infusion device thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103495243A (en) * 2013-09-26 2014-01-08 淮安市恒春医疗器材有限公司 Liquid-stopping bag-type automatic exhaust liquid-stopping infusion apparatus
CN104001227A (en) * 2014-06-14 2014-08-27 山东新华安得医疗用品有限公司 Self-exhausting bubble prevention precise filtering automatic liquid stopping infusion apparatus
CN104001243A (en) * 2014-06-14 2014-08-27 山东新华安得医疗用品有限公司 Self-exhausting bubble prevention automatic liquid stopping precise filtering infusion apparatus
CN104338199A (en) * 2014-11-19 2015-02-11 何前国 Blood return preventing infusion device
CN105268062A (en) * 2015-12-02 2016-01-27 玉环县安尔康橡胶有限公司 Drip chamber of infusion apparatus
CN105268062B (en) * 2015-12-02 2018-05-15 玉环县安尔康橡胶有限公司 A kind of infusion unit titrimeter
CN105944178A (en) * 2016-06-22 2016-09-21 南京鑫博维新材料技术有限公司 Auto-disposal auto-exhaustion anti-reflux needleless infusion set
CN105944178B (en) * 2016-06-22 2023-02-14 南京鑫博维新材料技术有限公司 Self-destruction type automatic exhaust anti-reflux needleless infusion apparatus
CN106421973A (en) * 2016-12-05 2017-02-22 韩晓勤 Infusion apparatus drip chamber and infusion device thereof

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Granted publication date: 20121219

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