CN203525090U - Floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically - Google Patents
Floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically Download PDFInfo
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- CN203525090U CN203525090U CN201320596506.4U CN201320596506U CN203525090U CN 203525090 U CN203525090 U CN 203525090U CN 201320596506 U CN201320596506 U CN 201320596506U CN 203525090 U CN203525090 U CN 203525090U
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Abstract
The utility model discloses floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically. According to the floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically, a dripping bucket cover (2a), an exhaust hole (2b) an exhaust filtering hole (2c) and an air filtering hole (2d) are formed in a bottle stopper puncture device (2) through injection molding, an air filtering membrane (4) is installed in the air filtering hole (2d), the air filtering hole (2d) is sealed through an air filtering cap (3), an automatic air exhausting device (5) is installed on the dripping bucket cover (2a), a dripping bucket (6) is connected to the bottom of the dripping bucket cover (2a), an automatic liquid stopping device (7) is installed on the bottom of the dripping bucket (6), the bottom of the automatic liquid stopping device (7) is connected with one end of a long infusion catheter (9) through a liquid medicine filter base (20), the other end of the long infusion catheter (9) penetrates through a flow regulator to be connected with a liquid medicine injection piece (11), a straight-opening connector (12) and a vein needle (13), and then the safe infusion apparatus is formed. The floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically has the advantages that automatic air exhausting is achieved, the liquid medicine can be prevented from flowing automatically, backflow of blood is prevented, air exhausting processes are simplified, labor intensity is relieved, the structure is simple, and safety and reliability are guaranteed.
Description
Technical field
This utility model relates to the aseptic medical equipment for clinical transfusion purposes, especially relates to a kind of floating-plug 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 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 transfusion long duct inwall, medical personnel are again with finger springing transfusion long duct, the bubble of absorption could slowly rise in dropping funnel, the process of 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, 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 floating-plug 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 for bottle stopper puncture outfit, bottle plug puncture unit, air filtration cap, air-filtering membrane, automatic exhaust device, dropping funnel, automatic liquid-stopping device, transfusion long duct, flow regulator, liquid injecting piece, straight mouthful joint 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 in the bottom of dropping funnel, the bottom of automatic liquid-stopping device connects liquid medicine filter seat, one end of transfusion long duct connects liquid medicine filter seat, 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 venting plug 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 venting plug, described automatic liquid-stopping device comprises housing, floating plug, diaphragm seal and snap ring, housing has the bottom surface of falling funnel type, housing inner bottom part is provided with the infusion channel mouth a little more than housing baseplane, the inside of floating plug is floating plug cavity, the outside of floating plug is gear-like sidewall, the top of floating plug is ball-type buffering suface, diaphragm seal is fixed on the lower surface of floating plug by snap ring, gapped between snap ring and floating plug, floating plug lower surface and diaphragm seal joint have hole, gap and porosity communication interlink floating plug cavity and housing inner chamber, floating plug is arranged in housing, diaphragm seal is positioned at infusion channel mouth top, housing is arranged on the bottom of dropping funnel.
Wherein, on the bottom surface of falling funnel type of housing, connect liquid medicine filter seat, liquid medicine filter net is installed therebetween.
Wherein, floating plug is more smaller than housing intracavity diameter, and has certain thickness.
Wherein, snap ring is for by drum-shaped sidewall and be connected in the integral piece that the annulus of sidewall bottom forms, and the interior circular diameter of annulus is greater than the outside diameter of infusion channel mouth and is less than the external diameter of diaphragm seal.
Wherein, diaphragm seal is that external diameter is slightly less than the disc-shaped diaphragm that peripheral thickness that the elastomeric material of snap ring sidewall internal diameter makes is slightly larger than interior thickness.
Wherein, the size of gap and hole guarantees that medicinal liquid cannot enter floating plug cavity under normal infusion state.
Wherein, in dropping funnel, arrange and only rise bank, floating plug is active in and only rises between bank and infusion channel mouth.
The utlity model has following advantage:
1, on the basis of traditional disposable infusion set, set up to there is the automatic exhaust device of automatic ventilating function and have and prevented that bubble from entering the automatic liquid-stopping device of human body.
2, 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 prevent again liquid level from declining too low simultaneously and cause 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.
3, 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.
4, 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.
5, after the medicinal liquid infusion in medicinal liquid bottle finishes, automatic liquid-stopping device can be closed infusion channel, stop to cause liquid level to decline too lowly to cause gas to enter human body causing the adverse consequencess such as aeroembolism because not pulling out in time infusion needle, eliminate the mental burden of medical personnel, patient or family numbers of patients, really accomplish safe infusion;
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 upward view of floating plug.
In figure: 1 protective sleeve for bottle stopper puncture outfit, 2 bottle plug puncture units, 3 air filtration caps, 4 air-filtering membranes, 5 automatic exhaust devices, 6 dropping funnels, 7 automatic liquid-stopping devices, 8 liquid medicine filter nets, 9 transfusion long ducts, 10 flow regulators, 11 liquid injecting pieces, 12 straight mouthfuls of joints, 13 intravenous needles, 14 venting plugs, 15 air-filtering membranes, 16 housings, 17 floating plugs, 18 diaphragm seals, 19 snap rings, 20 liquid medicine filter seats, 2a dropping funnel lid, 2b steam vent, 2c exhaust gas filter hole, 2d air filtration hole, 6a only rises bank, 16a infusion channel mouth, 16b housing inner chamber, the 16c bottom surface of falling funnel type, 17a floating plug cavity, 17b gear-like sidewall, 17c ball-type buffering suface, A gap, B hole.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As Figure 1-4, this 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, automatic liquid-stopping device 7 is installed in the bottom of dropping funnel 6, the bottom of automatic liquid-stopping device 7 connects liquid medicine filter seat 20, one end of transfusion long duct 9 connects liquid medicine filter seat 20, 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 7 comprises housing 16, floating plug 17, diaphragm seal 18 and snap ring 19, housing has the bottom surface of falling funnel type 16c, housing 16 inner bottom parts are provided with the infusion channel mouth 16a a little more than housing baseplane, the inside of floating plug 17 is floating plug cavity 17a, the outside of floating plug 17 is gear-like sidewall 17b, the top of floating plug 17 is ball-type buffering suface 17c, diaphragm seal 18 is fixed on the lower surface of floating plug 17 by snap ring 19, gapped A between snap ring 19 and floating plug 17, floating plug 17 lower surfaces and diaphragm seal 18 joints have hole B, gap A is communicated with hole B interlinks floating plug cavity 17a and housing inner chamber 16b, floating plug 17 is arranged in housing 16, diaphragm seal 18 is positioned at infusion channel mouth 16a top, housing 16 is arranged on the bottom of dropping funnel 6.
Wherein, the upper liquid medicine filter seat 20 that connects of the bottom surface of falling funnel type of housing 16c, installs liquid medicine filter net 8 therebetween.
Wherein, floating plug 17 is more smaller than housing inner chamber 16a diameter, and has certain thickness.
Wherein, diaphragm seal 18 is slightly less than the disc-shaped diaphragm that peripheral thickness that the elastomeric material of snap ring 19 sidewall internal diameters makes is slightly larger than interior thickness for external diameter.
Wherein, snap ring 19 is for by drum-shaped sidewall and be connected in the integral piece that the annulus of sidewall bottom forms, and the interior circular diameter of annulus is greater than the outside diameter of infusion channel mouth 16a and is less than the external diameter of diaphragm seal 18.
Wherein, the size of gap A and hole B guarantees that medicinal liquid cannot enter floating plug cavity 17a under normal infusion state.
Wherein, in dropping funnel, arrange and only rise bank 6a, floating plug 17 is active in and only rises between bank 6a and infusion channel mouth 16a.
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, the top ball-type buffering suface 17c that is first dropped in floating plug 17 is above dispersed drain and flows in housing 16 through the space of gear-like sidewall 17b, accumulation gradually along with medicinal liquid, automatically discharge the gas in housing 16 and dropping funnel 6, simultaneously, floating plug 17 rises under the buoyancy of liquid, automatically open infusion channel mouth 16a, medicinal liquid flow through medical filtration net 8 enter again transfusion long duct 9 in, 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, floating plug 17 is along with liquid level declines, while contacting with infusion channel mouth 16a to diaphragm seal 18, under atmospheric pressure and floating plug 17 gravity pressures, diaphragm seal 18 just tightly blocks infusion channel mouth 16a, make air not enter into the infusion pipeline under infusion channel mouth 16a, 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. floating-plug automatic vent stops liquid transfusion device, it is characterized in that: this 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), 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), automatic liquid-stopping device (7) is installed in the bottom of dropping funnel (6), the bottom of automatic liquid-stopping device (7) connects liquid medicine filter seat (20), one end of transfusion long duct (9) connects liquid medicine filter seat (20), 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), 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 venting plug (14), described automatic liquid-stopping device (7) comprises housing (16), floating plug (17), diaphragm seal (18) and snap ring (19), housing has the bottom surface of falling funnel type (16c), housing (16) inner bottom part is provided with the infusion channel mouth (16a) a little more than housing baseplane, the inside of floating plug (17) is floating plug cavity (17a), the outside of floating plug (17) is gear-like sidewall (17b), the top of floating plug (17) is ball-type buffering suface (17c), diaphragm seal (18) is fixed on the lower surface of floating plug (17) by snap ring (19), between snap ring (19) and floating plug (17) gapped (A), floating plug (17) lower surface and diaphragm seal (18) joint have hole (B), gap (A) is communicated with hole (B) interlinks floating plug cavity (17a) and housing inner chamber (16b), floating plug (17) is arranged in housing (16), diaphragm seal (18) is positioned at infusion channel mouth (16a) top, housing (16) is arranged on the bottom of dropping funnel (6).
2. floating-plug automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: the bottom surface of falling funnel type of housing (16c) upper liquid medicine filter seat (20) that connects, liquid medicine filter net (8) is installed therebetween.
3. floating-plug automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: floating plug (17) is more smaller than housing inner chamber (16a) diameter, and has certain thickness.
4. floating-plug automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: diaphragm seal (18) is slightly less than the disc-shaped diaphragm that peripheral thickness that the elastomeric material of snap ring (19) sidewall internal diameter makes is slightly larger than interior thickness for external diameter.
5. floating-plug automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: snap ring (19) is for by drum-shaped sidewall and be connected in the integral piece that the annulus of sidewall bottom forms, the interior circular diameter of annulus is greater than the outside diameter of infusion channel mouth (16a) and is less than the external diameter of diaphragm seal (18).
6. floating-plug automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: gap (A) guarantees that with the size of hole (B) medicinal liquid cannot enter floating plug cavity (17a) under normal infusion state.
7. floating-plug automatic vent according to claim 1 stops liquid transfusion device, it is characterized in that: in dropping funnel (6), arrange and only rise bank (6a), floating plug (17) is active in and only rises between bank (6a) and infusion channel mouth (16a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596506.4U CN203525090U (en) | 2013-09-26 | 2013-09-26 | Floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596506.4U CN203525090U (en) | 2013-09-26 | 2013-09-26 | Floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically |
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| Publication Number | Publication Date |
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| CN203525090U true CN203525090U (en) | 2014-04-09 |
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| CN201320596506.4U Expired - Lifetime CN203525090U (en) | 2013-09-26 | 2013-09-26 | Floating plug type infusion apparatus capable of exhausting air and stopping liquid automatically |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854125A (en) * | 2016-04-05 | 2016-08-17 | 欧阳小青 | Positive-pressure liquid stopping clamp |
| RU2645274C2 (en) * | 2015-04-15 | 2018-02-19 | Гаррий Дмитриевич Иващенко | Dropper with automated lock plate and possibility of its unlocking |
| CN108187383A (en) * | 2018-03-06 | 2018-06-22 | 宁夏大学 | With the real-time filter wash formula filter for drawing filtrate detection function |
| CN108478896A (en) * | 2018-04-11 | 2018-09-04 | 刘玮 | Universal decompression and central controlled medical infusion automatic decanting device |
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
| CN109908427A (en) * | 2019-04-19 | 2019-06-21 | 长春市亿健科技有限公司 | A kind of infusion device |
-
2013
- 2013-09-26 CN CN201320596506.4U patent/CN203525090U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2645274C2 (en) * | 2015-04-15 | 2018-02-19 | Гаррий Дмитриевич Иващенко | Dropper with automated lock plate and possibility of its unlocking |
| CN105854125A (en) * | 2016-04-05 | 2016-08-17 | 欧阳小青 | Positive-pressure liquid stopping clamp |
| CN108187383A (en) * | 2018-03-06 | 2018-06-22 | 宁夏大学 | With the real-time filter wash formula filter for drawing filtrate detection function |
| CN108187383B (en) * | 2018-03-06 | 2024-04-16 | 宁夏大学 | Washing filter with function of detecting filtrate in real time |
| CN108478896A (en) * | 2018-04-11 | 2018-09-04 | 刘玮 | Universal decompression and central controlled medical infusion automatic decanting device |
| CN108478896B (en) * | 2018-04-11 | 2023-07-28 | 刘玮 | Universal type pressure-reducing and centralized-control automatic bottle changing device for medical transfusion |
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
| CN109908427A (en) * | 2019-04-19 | 2019-06-21 | 长春市亿健科技有限公司 | A kind of infusion device |
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Granted publication date: 20140409 |