CN102049074A - Controllable constant-pressure infusion device - Google Patents
Controllable constant-pressure infusion device Download PDFInfo
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- CN102049074A CN102049074A CN 201110030684 CN201110030684A CN102049074A CN 102049074 A CN102049074 A CN 102049074A CN 201110030684 CN201110030684 CN 201110030684 CN 201110030684 A CN201110030684 A CN 201110030684A CN 102049074 A CN102049074 A CN 102049074A
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- bag
- pressure
- infusion
- transfusion bag
- prelum
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Abstract
The invention relates to the technical field of medical appliances, in particular to a controllable constant-pressure infusion device comprising an inflated ball (1), an air storage bag (2), a pressure-regulating valve (3), an infusion bag pressurizer (4) and connecting pipes between each component, wherein, the inflated ball is an oval ball controlled by a check valve; the openings at the two ends of the air storage bag are respectively provided with a check valve in the same direction; the pressure-regulating valve is used for regulating and controlling the pressure of the infusion bag pressurizer which is a bag-shaped container of which the bag wall has two layers and is made of transparent materials; the opening of the infusion bag pressurizer is provided with an adhesive seal; and one side or two sides of the seal is or are provided with an infusion tube passage or two infusion tube passages. The infusion device of the invention has simple structure and convenient use, and can maintain the infusion speed to be constant and avoid the blood returning phenomenon in no need of suspending the infusion bag to enough height, when in infusion, as long as the pressure-regulating valve is arranged into the corresponding pressure value, the constant-pressure infusion can be realized, which is convenient for the patients to move or turn, and especially is used in temporary and emergent events.
Description
Technical field
The present invention relates to technical field of medical instruments, is a kind of controllable constant pressure infusion set that makes transfusion bag keep constant voltage in infusion process.
Background technology
Transfusion is the method for conventional clinically a kind of additional body fluid that adopts or input medicine, and import pathway mainly contains three kinds of modes in vein, tremulous pulse and the bone.During conventional the transfusion transfusion bag is hung on drip stand or other hooks, the pressure differential that relies on suspension height to form is imported liquid in the body.This method is simple and practical, easy to operate, but there is following deficiency: because pressure differential often is prone to blood back inadequately, can in tube for transfusion, form blood clot when 1) amount of liquid tails off in the not enough or transfusion bag of transfusion bag suspension height if the untimely discovery blood back time has been grown also; 2) as pressurizeing by hand when the critical patient need accelerate transfusion speed because of rescuing, operation inconvenience is wasted time and energy; Require the patient posture relative fixed when 3) infusing, just can keep metastable liquid input speed,, also bring inconvenience if patient's needs must keep the suitable height of transfusion bag when mobile; 4) have that large quantities of patients need infuse or shift while infusing wartime or when running into accident particularly, and infuse not only inconvenience but also can not be equipped with so much nursing staff of existing conventional can't satisfy the rescue needs.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, easy to use, controllable constant pressure infusion set that blood back can not occur.
The present invention is a kind of transfusion auxiliary device, by inflatable ball, hold and be used to carry the connection tube of gas to form between air bag, pressure-regulating valve, transfusion bag prelum and each parts.Inflatable ball is the oval ball by check valve control, and the inflatable ball of using always on the similar sphygomanometer is used for inflating in holding air bag by connection tube; Holding air bag is resilient bladder, and the both ends open place respectively is provided with an equidirectional check valve, holds air bag and is used to lay in inflatable ball to its gas that fills, and makes the interior gas of sacculus keep suitable pressure; Holding air bag other end opening is connected with pressure-regulating valve by connection tube, pressure-regulating valve is for being with graduated controllable type pressure automatic regulating valve, its other end links to each other with the transfusion bag prelum by connection tube and communicates, be used to control the pressure of transfusion bag prelum, make the air pressure of transfusion bag prelum maintain setting value; The transfusion bag prelum is one to be used to load the bag-like container of transfusion bag, the shape size of inner chamber and its transfusion bag that need load coupling, transfusion bag as 500ml liquid commonly used clinically, the bag wall of transfusion bag prelum is double-deck, make by transparent material, so that observe the situation of liquid in the transfusion bag at any time, its outer wall is tough and tensile almost nonelastic, the inwall high resilience, so that when inflating to interlayer, the inwall convex pressurizes to transfusion bag, the outer wall of transfusion bag prelum bottom is provided with a hole and links to each other with connection tube and communicate, be used for to the interlayer inflation, transfusion bag prelum opening part is provided with adhesive type and seals, in case the transfusion bag slippage, this width that seals is narrow than transfusion bag prelum opening, to leave the tube for transfusion passage of hole as transfusion bag in the one or both sides of transfusion bag prelum opening part.
During use, after carrying out transfusion operation routinely, transfusion bag is put into the transfusion bag prelum, fixedly adhesive type seals, pressure-regulating valve is set in required force value, inflate in holding air bag with inflatable ball, gas enters transfusion bag prelum interlayer through pressure-regulating valve and connection tube, after the interlayer internal gas pressure arrives the pressure-regulating valve setting value, pressure-regulating valve cuts out automatically, continues to holding airbag aeration, holds air bag and swells and form certain air pressure, suspend inflation, along with liquid is constantly imported in the body, the pressure in the transfusion bag prelum interlayer is lower than setting value, and pressure-regulating valve is just opened automatically, hold the interior gas of air bag then because of pressure reduction enters transfusion bag prelum interlayer automatically, thereby keep constant pressure.When holding deflated balloon to a certain degree the time, can inflate once more.So repeatedly, operation is very easy.After finishing using, unload connection tube, the gas that will hold in air bag and the transfusion bag prelum interlayer is emitted, can be next standby.
The present invention is simple in structure, carries with easy to use, and expense is cheap, entourage or patient oneself also can carry out charge operation, can save medical personnel's manpower, and it is constant to need that no longer the enough height of transfusion bag suspension just can be kept transfusion speed, also can avoid the blood back phenomenon.Before the transfusion, put into transfusion bag prelum inner chamber as long as will connect the transfusion bag of tube for transfusion, pressure-regulating valve is arranged at the relevant pressure value, the reuse inflatable ball is inflated in holding air bag, can realize the constant voltage transfusion.During transfusion, device is fixed on wounded's body side gets final product, be convenient to patient and move or shift, use when being particularly conducive to wartime or accident.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
The specific embodiment
Now in conjunction with the accompanying drawings and embodiments the present invention is described in detail.
The present invention by inflatable ball 1, hold and be used to carry the connection tube of gas to form between air bag 2, pressure-regulating valve 3, transfusion bag prelum 4 and each parts.Inflatable ball 1 is the oval ball by check valve control, by connection tube 5.1 with hold air bag 2 and link to each other; Hold air bag 2 and be resilient bladder, the both ends open place respectively is provided with an equidirectional check valve, hold air bag 2 and be connected with pressure-regulating valve 3 by connection tube 5.2, pressure-regulating valve 3 is for being with graduated controllable type pressure automatic regulating valve, and it links to each other with transfusion bag prelum 4 by connection tube 5.3 and communicates; Transfusion bag prelum 4 is a bag-like container, the shape size of inner chamber and its transfusion bag that need load coupling, the bag wall of transfusion bag prelum is double-deck, make by transparent material, its outer wall is tough and tensile almost nonelastic, the inwall high resilience, the outer wall of transfusion bag prelum bottom is provided with a hole and links to each other with connection tube and communicate, be used for inflating to interlayer, transfusion bag prelum opening part is provided with adhesive type and seals, in case the transfusion bag slippage, this width that seals is narrow than transfusion bag prelum opening, to leave the tube for transfusion passage of hole as transfusion bag in the one or both sides of opening part.
The present invention can make different specifications and models by the difference of transfusion bag.
Claims (1)
1. controllable constant pressure infusion set, it is characterized in that forming by inflatable ball (1), the connection tube that holds between air bag (2), pressure-regulating valve (3), transfusion bag prelum (4) and each parts, inflatable ball (1) is by the oval ball of check valve control, links to each other with an end opening place of holding air bag (2) by connection tube (5.1); Hold air bag (2) and be resilient bladder, the both ends open place respectively is provided with an equidirectional check valve, the other end opening part that holds air bag (2) is connected with pressure-regulating valve (3) by connection tube (5.2), pressure-regulating valve (3) is for having graduated controllable type pressure automatic regulating valve, and it links to each other with transfusion bag prelum (4) by connection tube (5.3) and communicates; Transfusion bag prelum (4) is a bag-like container, the shape size of inner chamber and its transfusion bag that need load coupling, the bag wall of transfusion bag prelum (4) is double-deck, make by transparent material, outer wall is tough and tensile almost nonelastic, the inwall high resilience, the outer wall of transfusion bag prelum bottom is provided with a hole and links to each other with connection tube (5.3) and communicate, transfusion bag prelum opening part is provided with adhesive type and seals, this width that seals is narrow than transfusion bag prelum opening, to leave the tube for transfusion passage of hole as transfusion bag in the one or both sides of transfusion bag prelum opening part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100306846A CN102049074B (en) | 2011-01-28 | 2011-01-28 | Controllable constant-pressure infusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100306846A CN102049074B (en) | 2011-01-28 | 2011-01-28 | Controllable constant-pressure infusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102049074A true CN102049074A (en) | 2011-05-11 |
| CN102049074B CN102049074B (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100306846A Expired - Fee Related CN102049074B (en) | 2011-01-28 | 2011-01-28 | Controllable constant-pressure infusion device |
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| CN (1) | CN102049074B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288770A (en) * | 2015-09-14 | 2016-02-03 | 孙满意 | Constant-pressure portable infusion apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3507278A (en) * | 1966-06-27 | 1970-04-21 | Winfried Joseph Werding | Apparatus for dispensing parenteral fluid |
| US4048994A (en) * | 1976-08-24 | 1977-09-20 | Lo Liu Ying P | Self-inflating liquid container for keeping I.V. fluid or blood plasma |
| CN2051510U (en) * | 1989-08-26 | 1990-01-24 | 张宇 | Drip device |
| CN2259181Y (en) * | 1996-02-10 | 1997-08-13 | 孙永生 | Controllable pressing multifunction infusion device |
| CN2822623Y (en) * | 2005-08-31 | 2006-10-04 | 中国人民解放军第三军医大学第一附属医院 | Soft pressed type transfusion bag used during wartime or peacetime |
| CN201949435U (en) * | 2011-01-28 | 2011-08-31 | 中国人民解放军第二军医大学 | Controllable constant pressure infusion device |
-
2011
- 2011-01-28 CN CN2011100306846A patent/CN102049074B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3507278A (en) * | 1966-06-27 | 1970-04-21 | Winfried Joseph Werding | Apparatus for dispensing parenteral fluid |
| US4048994A (en) * | 1976-08-24 | 1977-09-20 | Lo Liu Ying P | Self-inflating liquid container for keeping I.V. fluid or blood plasma |
| CN2051510U (en) * | 1989-08-26 | 1990-01-24 | 张宇 | Drip device |
| CN2259181Y (en) * | 1996-02-10 | 1997-08-13 | 孙永生 | Controllable pressing multifunction infusion device |
| CN2822623Y (en) * | 2005-08-31 | 2006-10-04 | 中国人民解放军第三军医大学第一附属医院 | Soft pressed type transfusion bag used during wartime or peacetime |
| CN201949435U (en) * | 2011-01-28 | 2011-08-31 | 中国人民解放军第二军医大学 | Controllable constant pressure infusion device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105288770A (en) * | 2015-09-14 | 2016-02-03 | 孙满意 | Constant-pressure portable infusion apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102049074B (en) | 2012-07-11 |
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