CN203525069U - Liquid-stopping-tank-type infusion apparatus capable of automatically exhausting air and stopping liquid - Google Patents

Liquid-stopping-tank-type infusion apparatus capable of automatically exhausting air and stopping liquid Download PDF

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Publication number
CN203525069U
CN203525069U CN201320596933.2U CN201320596933U CN203525069U CN 203525069 U CN203525069 U CN 203525069U CN 201320596933 U CN201320596933 U CN 201320596933U CN 203525069 U CN203525069 U CN 203525069U
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China
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liquid
dropping funnel
flow container
air
transfusion
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Expired - Lifetime
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CN201320596933.2U
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Chinese (zh)
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邹小明
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Permanent Spring Medical Device Co Ltd In Huai An
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Permanent Spring Medical Device Co Ltd In Huai An
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Abstract

The utility model discloses a liquid-stopping-tank-type infusion apparatus capable of automatically exhausting air and stopping liquid. A bottle stopper puncture device (2) is provided with a dripping bucket cover (2a), an air exhaust hole (2b), an air exhaust filtering hole (2c) and an air filtering hole (2d) in an injection molding mode, an air filtering film (4) is installed in the air filtering hole (2d) which is sealed by an air filtering cap (3), the dripping bucket cover (2a) is provided with an automatic air exhaust device (5), the bottom of the dripping bucket cover (2a) is connected with a dripping bucket (6), the inner bottom face (6a) of the dripping bucket is provided with an automatic liquid stopping device (7), the bottom of the dripping bucket (6) is provided with a liquid dripping opening (6b) in an injection molding mode, one end of a long infusion catheter (9) is connected with the liquid dripping opening (6b), the other end of the long infusion catheter (9) penetrates through a flow adjustor (10) and is connected with a liquid medicine injecting element (11), a flareless fitting (12) and a scalp vein set (13), and accordingly the infusion apparatus is formed. The infusion apparatus can automatically exhaust air, liquid medicine can stop flowing automatically, steps of air exhausting operations are simplified, work intensity is lightened, the structure is simple and safety and reliability are achieved.

Description

Only flow container formula automatic vent stops liquid transfusion device
Technical field
This utility model relates to the aseptic medical equipment for clinical transfusion purposes, especially relates to a kind of only fluid cylinder formula transfusion device with automatic vent and automatic liquid-stopping function.
Background technology
At present, the general infusion set that medical field is conventional forms by protective sleeve for bottle stopper puncture outfit, bottle plug puncture unit, air filter, dropping funnel lid, dropping funnel, transfusion long duct, flow regulator, liquid medicine filter, injection member, two-way cone joint and disposable use venoclysis needle.General infusion set is when transfusion has just started, must be by manually squeezing dropping funnel, medicinal liquid could be introduced in dropping funnel from infusion bottle, at medicinal liquid, by pipeline, from dropper, enter the process of dropping funnel, medicinal liquid is easily discharged the gas in dropping funnel downwards formation gas-liquid mixture and is entered in long transfusion catheter, therefore produce bubble, simultaneously, surface tension effects due to transfusion long duct inwall, inwall at transfusion long duct easily adsorbs a small amount of bubble, the process of getting rid of bubble is comparatively difficult, time-consuming and loaded down with trivial details, if bubble enters in patient body, easily causes the harm such as aeroembolism.So, medical personnel are before infusing, must be artificial by the emptying as much as possible of the bubble in transfusion device long duct, the method of common artificial aerofluxus is: bottle plug puncture unit is inserted after transfusion bottle stopper, first dropping funnel is hung upside down, with hands, squeeze dropping funnel simultaneously, medicinal liquid is entered in dropping funnel, until a certain amount of liquid, be full of after dropping funnel, put down dropping funnel, just may be by most removal of bubbles, but there are a small amount 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 dropping funnel, the process of this artificial aerofluxus bubble is not only loaded down with trivial details but also time-consuming, when increasing medical personnel's working strength, also be unfavorable for promptly infusing and giving emergency treatment to a patient.
In clinical transfusion process, common medical personnel will look after the transfusion of patient in several wards, labor intensity is very large, usually occur failing to observe in time because of medical personnel, patient or family numbers of patients the phenomenon that infusion bottle inner liquid medicine has been totally lost and has not been changed in time infusion bottle or extract infusion needle, this can cause blood to go back up in a whole set of transfusion organ pipe, or liquid level declines too low and causes gas to enter human body causing the adverse consequencess such as aeroembolism, bring heavy mental burden to medical personnel, patient or family numbers of patients.
Therefore,, in clinical transfusion operation, use a kind of transfusion device with automatic vent and automatic liquid-stopping function just particularly important.
Summary of the invention
The purpose of this utility model is: provide a kind of only flow container formula automatic vent to stop liquid transfusion device, can automatic vent in infusion process, and automatically make medicinal liquid stop flowing, simple in structure, safe and reliable.
This utility model is achieved through the following technical solutions: this automatic vent stops liquid transfusion device and comprises protective sleeve, bottle plug puncture unit, air filtration cap, air-filtering membrane, automatic exhaust device, dropping funnel, automatic liquid-stopping device, transfusion long duct, flow regulator, the straight mouthful joint of liquid injecting piece and intravenous needle, integrated injection molding dropping funnel lid on bottle plug puncture unit, steam vent, exhaust gas filter hole and air filtration hole, air-filtering membrane is installed in air filtration hole and is sealed by air filtration cap, dropping funnel covers installation automatic exhaust device, the bottom of dropping funnel lid connects dropping funnel, automatic liquid-stopping device is installed on dropping funnel inner bottom surface, the bottom integrated injection molding liquid droping port of dropping funnel, one end of transfusion long duct connects liquid droping port, the other end of transfusion long duct connects liquid injecting piece through flow regulator, straight mouthful of joint of series connection and intravenous needle successively on liquid injecting piece, whole formation safe transfusion system, described automatic exhaust device comprises exhaust gas filter cap and exhaust gas filter film, and dropping funnel covers begin to rehearse pore and exhaust gas filter hole, exhaust gas filter film is installed in exhaust gas filter hole and is sealed by exhaust gas filter cap, described automatic liquid-stopping device comprises only flow container and cover, on cover base, integrated injection molding cover sidewall and drain pipe form cover, after only flow container tips upside down on cover sidewall, be arranged on together with cover on dropping funnel inner bottom surface, the drain pipe of hollow connects liquid droping port, between drain pipe and only flow container medial wall, be provided with feed liquor gap, on cover sidewall, be evenly provided with at least two vertical lead channel.
Wherein, only flow container is tank bottoms is ball-type buffering suface.
Wherein, cover base is for falling funnel type; Dropping funnel inner bottom surface is funnel type; Between cover base and dropping funnel inner bottom surface, medical filtration net is installed.
Wherein, till drain pipe height 2/3rds of flow container height.
Wherein, the height of lead channel is 2.5 ± 0.5mm.
Wherein, feed liquor gap width is 2.0 ± 0.5mm.
Wherein, the lower end bulge loop of cover base and the inner bottom surface groove of dropping funnel fasten, and medical filtration Netcom is crossed on the inner ring type baseplane that high frequency heat seal is fixed on cover base.
The utlity model has following advantage:
1, it is on the basis of traditional disposable infusion set, to have set up to have the automatic exhaust device of energy degassing function and have to prevent that bubble from entering the automatic liquid-stopping device of human body that automatic vent stops liquid transfusion device, in use the same with common transfusion device operating procedure, do not change operator's use habit, also can reduce the loaded down with trivial details step that manually squeezes dropping funnel ventilation bubble, can go back up in a whole set of transfusion organ pipe by anti-Hemostatic Oral Liquid again simultaneously, or liquid level declines too low and causes gas to enter human body causing the adverse consequencess such as aeroembolism, eliminate medical personnel, the mental burden of patient or family numbers of patients, really accomplish safe infusion.
2, in transfusion operation early stage process, need not squeeze dropping funnel can introduce medicinal liquid in dropping funnel, simplifies bleeding step, alleviates medical personnel's working strength, it solve existing transfusion device in infusion process because of the aerofluxus bubble problem loaded down with trivial details, that lose time of working.
3, need not hang upside down dropping funnel can automatically discharge the gas in dropping funnel, can prevent Bubble formation and prevent that bubble from entering in infusion pipeline, and the liquid level in dropping funnel can be controlled at a level altitude automatically, prevents from that liquid level in dropping funnel is too high-leveled and difficult to drip speed to observe medicinal liquid.
4, after the medicinal liquid infusion in medicinal liquid bottle finishes, automatic liquid-stopping device can prevent blood backflow, stop to cause blood to go back up in a whole set of transfusion organ pipe because not pulling out in time infusion needle, or liquid level declines too low and causes gas to enter human body causing the adverse consequencess such as aeroembolism, eliminate the mental burden of medical personnel, patient or family numbers of patients, really accomplish safe infusion.
5, bubble-free sneaking in whole communication path, bubble can directly not enter in transfusion long duct as general infusion set, thereby effectively prevents Bubble formation.
6, simple in structure, safe and reliable, easily processing, the step that simplifies the operation, does not change operator's use habit, can be widely used in clinical.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the generalized section of automatic exhaust device.
Fig. 3 is the generalized section of automatic liquid-stopping device.
Fig. 4 is the top view of cover.
In figure: 1 protective sleeve, 2 bottle plug puncture units, 3 air-filtering membranes, 4 air filtration caps, 5 automatic exhaust devices, 6 dropping funnels, 7 automatic liquid-stopping devices, 8 medical filtration nets, 9 transfusion long ducts, 10 flow regulators, 11 liquid injecting pieces, 12 straight mouthfuls of joints, 13 intravenous needles, 14 exhaust gas filter caps, 15 exhaust gas filter films, 16 stop flow container, 17 covers, 18 feed liquor gaps, 2a dropping funnel lid, 2b steam vent, 2c exhaust gas filter hole, 2d air filtration hole, 6a dropping funnel inner bottom surface, 6b liquid droping port, 6a1 inner bottom surface groove, 16a ball-type buffering suface, 16b stops flow container inner chamber, 17a cover base, 17b cover sidewall, 17c drain pipe, 17a1 lower end bulge loop, 17a2 inner ring type baseplane, 17b1 intake chute.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As Figure 1-4, only flow container formula automatic vent stops liquid transfusion device and comprises protective sleeve for bottle stopper puncture outfit 1, bottle plug puncture unit 2, air filtration cap 3, air-filtering membrane 4, automatic exhaust device 5, dropping funnel 6, automatic liquid-stopping device 7, transfusion long duct 9, flow regulator 10, liquid injecting piece 11 straight mouthfuls of joints 12 and intravenous needle 13, integrated injection molding dropping funnel lid 2a on bottle plug puncture unit 2, steam vent 2b, exhaust gas filter hole 2c and air filtration hole 2d, air-filtering membrane 4 is installed in the 2d of air filtration hole and is sealed by air filtration cap 3, the upper automatic exhaust device 5 of installing of dropping funnel lid 2a, the bottom of dropping funnel lid 2a connects dropping funnel 6, on dropping funnel inner bottom surface 6a, automatic liquid-stopping device 7 is installed, the bottom integrated injection molding liquid droping port 6b of dropping funnel 6, one end of transfusion long duct connects liquid droping port 6b, the other end of transfusion long duct 9 connects liquid injecting piece 11 through flow regulator 10, straight mouthful of joint 12 of series connection and intravenous needle 13 successively on liquid injecting piece 11, whole formation safe transfusion system, described automatic exhaust device 5 comprises venting plug 14 and exhaust gas filter film 15, and on dropping funnel lid 2a, begin to rehearse pore 2b and exhaust gas filter hole 2c, install exhaust gas filter film 15 and sealed by venting plug 14 in the 2c of exhaust gas filter hole, described automatic liquid-stopping device comprises only flow container 16 and cover 17, the upper integrated injection molding cover sidewall 17b of cover base 17a and drain pipe 17c form cover 17, only flow container 17 is arranged on dropping funnel inner bottom surface 6a after tipping upside down on cover sidewall 17b together with cover 17, the drain pipe 17c of hollow connects liquid droping port 6b, between drain pipe 17c and only flow container 16 medial walls, be provided with feed liquor gap 18, only on flow container lid sidewall 17b, be evenly provided with at least two vertical lead channel 17b1.
Wherein, only flow container 16 is tank bottoms is ball-type buffering suface 16a.
Wherein, cover base 17a is for falling funnel type; Dropping funnel inner bottom surface 6a is funnel type; Between cover base 17a and dropping funnel inner bottom surface 6a, medical filtration net 8 is installed.
Wherein, lead channel 17b1 is highly 2.0 ± 0.5mm.
Wherein, till drain pipe 17c height 2/3rds of flow container 16 height.
Wherein, feed liquor gap 18 width are 2.5 ± 0.5mm.
Wherein, the lower end bulge loop 17a1 of cover base 17a and the inner bottom surface groove 6a1 of dropping funnel 6 fasten, and medical filtration net 8 is fixed on the inner ring type baseplane 17a2 of cover base 17a by high frequency heat seal.
When transfusion operation starts, whether the exhaust gas filter cap 14 of first confirming automatic exhaust device 5 is opened, take off protective sleeve 1, bottle plug puncture unit 2 is inserted in infusion vessel bottle stopper, again air filtration cap 3 is opened, medicinal liquid automatically enters in dropping funnel 6 under the effect of atmospheric pressure and self gravitation, first be dropped in the only top ball-type buffering suface 16a of flow container 16 and be above dispersed drain along stopping in the sidewall inflow dropping funnel 6 of flow container 16, accumulation gradually along with medicinal liquid, automatically discharge the gas stopping in flow container 16 and dropping funnel 6, when liquid level rises to the height of drain pipe 17c, medicinal liquid flows into medical filtration net 8 by the drain pipe 17c of hollow, finally enter again in transfusion long duct 9, from venoclysis needle 13 needle tubing endoporus, flow out, automatically get rid of bubble, close flow regulator 10, when the interior liquid level of dropping funnel 6 rises to certain altitude, close the exhaust gas filter cap 14 of automatic exhaust device 5 to keep certain liquid level, the vein that punctures according to a conventional method, opens flow regulator 10, regulates and drips speed, normal infusion, among this process, also bubble-free sneaking in whole communication path, bubble can directly not enter in transfusion long duct 9 as general infusion set, thereby effectively prevents Bubble formation.
When transfusion has approached, while dropping to the tip position of drain pipe 17c along with liquid level, medicinal liquid cannot flow out from drain pipe 17c again, liquid level in feed liquor gap 18 stops declining, now, in stopping flow container inner chamber 16b, drain pipe 17c top forms the gaseous environment of a sealing, the negative pressure that the gaseous environment of this sealing forms has adsorption to the medicinal liquid in drain pipe 17c, make medicinal liquid in drain pipe 17c cannot continue input and in time, automatic stopping infusion, thereby prevent that air from entering patient's vein, both guaranteed the infuse safety of overall process of patient, patient and medical worker's stress and operating pressure have been alleviated again, to reach the usefulness of vein safe infusion, be conducive to the treatment to clinical patients, this is for further minimizing and avoid the very positive meaning that has of malpractice.
Above-mentioned only for illustration of the utility model, and be not limitation of the utility model, those skilled in the art, in the situation that do not depart from the spirit and scope of utility model, can also make a variety of changes and modification, all technical schemes that are equal to also belong to category of the present utility model.

Claims (7)

1. only flow container formula automatic vent stops liquid transfusion device, it is characterized in that: this automatic vent stops liquid transfusion device and comprises protective sleeve (1), bottle plug puncture unit (2), air filtration cap (3), air-filtering membrane (4), automatic exhaust device (5), dropping funnel (6), automatic liquid-stopping device (7), transfusion long duct (9), flow regulator (10), the straight mouthful joint (12) of liquid injecting piece (11) and intravenous needle (13), the upper integrated injection molding dropping funnel lid of bottle plug puncture unit (2) (2a), steam vent (2b), exhaust gas filter hole (2c) and air filtration hole (2d), air-filtering membrane (4) is installed in air filtration hole (2d) and is sealed by air filtration cap (3), the upper automatic exhaust device (5) of installing of dropping funnel lid (2a), the bottom of dropping funnel lid (2a) connects dropping funnel (6), at the upper automatic liquid-stopping device (7) of installing of dropping funnel inner bottom surface (6a), the bottom integrated injection molding liquid droping port (6b) of dropping funnel (6), one end of transfusion long duct (9) connects liquid droping port (6b), the other end of transfusion long duct (9) connects liquid injecting piece (11) through flow regulator (10), straight mouthful of joint (12) of series connection and intravenous needle (13) successively on liquid injecting piece (11), whole formation safe transfusion system, described automatic exhaust device (5) comprises exhaust gas filter cap (14) and exhaust gas filter film (15), on dropping funnel lid (2a), begin to rehearse pore (2b) and exhaust gas filter hole (2c), in exhaust gas filter hole (2c), installation exhaust gas filter film (15) is also sealed by exhaust gas filter cap (14), described automatic liquid-stopping device comprises only flow container (16) and cover (17), the upper integrated injection molding cover sidewall (17b) of cover base (17a) and drain pipe (17c) form cover (17), only flow container (17) is arranged on dropping funnel inner bottom surface (6a) after tipping upside down on cover sidewall (17b) together with cover (17), the drain pipe of hollow (17c) connects liquid droping port (6b), between drain pipe (17c) and only flow container (16) medial wall, be provided with feed liquor gap (18), only on flow container lid sidewall (17b), be evenly provided with at least two vertical lead channel (17b1).
2. only flow container formula automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: only flow container (16) is tank bottoms is ball-type buffering suface (16a).
3. only flow container formula automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: cover base (17a) is for falling funnel type; Dropping funnel inner bottom surface (6a) is funnel type; Between cover base (17a) and dropping funnel inner bottom surface (6a), medical filtration net (8) is installed.
4. only flow container formula automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: lead channel (17b1) is highly 2.0 ± 0.5mm.
5. only flow container formula automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: till drain pipe (17c) height 2/3rds of flow container (16) height.
6. only flow container formula automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: feed liquor gap (18) width is 2.5 ± 0.5mm.
7. only flow container formula automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: cover base (17a) lower end bulge loop (17a1) fastens with the inner bottom surface groove (6a1) of dropping funnel (6), medical filtration net (8) is by the inner ring type baseplane (17a2) of high frequency heat seal standing tank cover base (17a).
CN201320596933.2U 2013-09-26 2013-09-26 Liquid-stopping-tank-type infusion apparatus capable of automatically exhausting air and stopping liquid Expired - Lifetime CN203525069U (en)

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CN201320596933.2U CN203525069U (en) 2013-09-26 2013-09-26 Liquid-stopping-tank-type infusion apparatus capable of automatically exhausting air and stopping liquid

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104162198A (en) * 2014-09-04 2014-11-26 西安力邦医疗电子有限公司 Rapid warming blood transfusion apparatus
CN106310437A (en) * 2016-08-29 2017-01-11 苏州林华医疗器械股份有限公司 Infusion set drip chamber with automatic exhausting and liquid-stopping functions and intravenous infusion set comprising infusion set drip chamber
CN110382023A (en) * 2017-03-14 2019-10-25 诺和诺德股份有限公司 Cap assembly with cylinder

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104162198A (en) * 2014-09-04 2014-11-26 西安力邦医疗电子有限公司 Rapid warming blood transfusion apparatus
CN104162198B (en) * 2014-09-04 2016-04-27 西安力邦医疗电子有限公司 One heats up blood exchange transfusion set rapidly
CN106310437A (en) * 2016-08-29 2017-01-11 苏州林华医疗器械股份有限公司 Infusion set drip chamber with automatic exhausting and liquid-stopping functions and intravenous infusion set comprising infusion set drip chamber
CN110382023A (en) * 2017-03-14 2019-10-25 诺和诺德股份有限公司 Cap assembly with cylinder
CN110382023B (en) * 2017-03-14 2022-02-08 诺和诺德股份有限公司 Cap assembly with cartridge

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Granted publication date: 20140409