CN102921077A - Needle-shaped float-actuated valve controlled type disposable infusion apparatus - Google Patents
Needle-shaped float-actuated valve controlled type disposable infusion apparatus Download PDFInfo
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- CN102921077A CN102921077A CN2012104780075A CN201210478007A CN102921077A CN 102921077 A CN102921077 A CN 102921077A CN 2012104780075 A CN2012104780075 A CN 2012104780075A CN 201210478007 A CN201210478007 A CN 201210478007A CN 102921077 A CN102921077 A CN 102921077A
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- float
- needle
- infusion apparatus
- valve
- type disposable
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Abstract
The invention discloses a needle-shaped float-actuated valve controlled type disposable infusion apparatus. The infusion apparatus comprises an infusion tube body and is characterized in that a float with a needle-shaped valve is arranged in the infusion tube. The infusion apparatus has the advantages that the safety of a patient during infusion is guaranteed, the labor intensity and work pressure of nurses and nursing staff are reduced, the structure is simple, the cost is low, and the mounting is convenient.
Description
Technical field
The present invention relates to medical supplies, specifically the valve-regulated disposable transfusion device of a kind of needle-like float.
Background technology
When using at present the disposable transfusion device transfusion, when medicinal liquid flows to end in the Murphy's burette in the middle of the tube for transfusion, if untimely changing dressings, near syringe needle and needle tubing, can produce the blood back phenomenon, serious even can cause the air intravasation, cause air embolism, threat to life.
Summary of the invention
The objective of the invention is for overcoming the deficiencies in the prior art, and provide a kind of needle-like float valve-regulated disposable transfusion device, the transfusion device of this structure can guarantee the safety of patient when transfusion, alleviates nurse and nursing staff's labor intensity and operating pressure.
The technical scheme that realizes the object of the invention is:
The valve-regulated disposable transfusion device of a kind of needle-like float comprises the tube for transfusion body, unlike the prior art be: in the tube for transfusion body, be provided with one with the float of needle valve.
Described float is connected to form for the valve line sealing surface that matches with the Murphy's burette outlet and guide post three parts of bottom by the hollow float on top, middle part.
Operation principle of the present invention is: use Archimedes' principle: the object that is immersed in the liquid is subject to buoyancy upwards, and the size of buoyancy equals to be arranged by this object the gravity of liquid and realizes the control of medicinal liquid position.When the medicinal liquid in the Murphy's burette during to certain position, float descends along with the decline of liquid level, and when the liquid outlet below the clogging Murphy's burette of needle valve below the float, medicinal liquid stops drippage, has guaranteed the safety of patient when transfusion.
Under the normal infusion state, medicinal liquid flows in the Murphy's burette of disposable transfusion device in medicine bottle or medicated bag, when liquid level is enough to make buoys float, needle valve below the float is the liquid outlet that leaves the Murphy's burette bottom, namely is in the normal infusion state.Liquid in medicine bottle or medicated bag flows to end, and when the medicinal liquid height of Murphy's burette the inside began to descend, float descended along with the decline of medicinal liquid face height, and when float dropped to needle valve liquid outlet is blocked, transfusion stopped, and enters the safeguard protection state.
Advantage of the present invention is: not only guarantees the safety of patient when transfusion, alleviated nurse and nursing staff's labor intensity and operating pressure, and also simple in structure, cost is low, and is easy for installation.
Description of drawings
Fig. 1 is the structural representation of transfusion device of the present invention under the normal infusion state;
Fig. 2 is the structural representation of transfusion device of the present invention under the safeguard protection state.
Among the figure: 1 Murphy's burette, 2 needle valves, 3 float 3-1 ball float 3-2 valve line sealing surface 3-3 guide posts
The specific embodiment
With reference to Fig. 1, Fig. 2, the valve-regulated disposable transfusion device of a kind of needle-like float, by Murphy's burette 1 be arranged on that the float 3 with needle valve 2 forms in the Murphy's burette 1, float 3 is by the hollow float 3-1 on top, the valve line sealing surface 3-2 at middle part and guide post 3-3 three parts of bottom connect to form, the ball float 3-1 on top is the device that produces buoyancy, the valve line sealing surface 3-2 at middle part and Murphy's burette 1 outlet match, when descending, 1 li liquid level of Murphy's burette impel float 3 and needle valve 2 to descend along with the decline of liquid level, finally making valve line sealing surface 3-2 arrive the bottom closes liquid outlet, the guide post 3-3 of bottom has played ballast and Stabilization, and the used material of whole needle valve float is identical with the material that transfusion device uses.
The quality of needle valve float of the present invention, center of gravity, buoyancy and shape can design and adjust according to the shape size of Mo Feier dropper and the proportion of the liquid of carrying.
Claims (2)
1. the valve-regulated disposable transfusion device of needle-like float comprises the tube for transfusion body, it is characterized in that: be provided with one with the float of needle valve in tube for transfusion.
2. disposable transfusion device according to claim 1 is characterized in that: described float is connected to form for the valve line sealing surface that matches with the Murphy's burette outlet and guide post three parts of bottom by the hollow float on top, middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104780075A CN102921077A (en) | 2012-11-22 | 2012-11-22 | Needle-shaped float-actuated valve controlled type disposable infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104780075A CN102921077A (en) | 2012-11-22 | 2012-11-22 | Needle-shaped float-actuated valve controlled type disposable infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102921077A true CN102921077A (en) | 2013-02-13 |
Family
ID=47636093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104780075A Pending CN102921077A (en) | 2012-11-22 | 2012-11-22 | Needle-shaped float-actuated valve controlled type disposable infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102921077A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648705A (en) * | 2017-11-14 | 2018-02-02 | 陈芳 | A kind of float-ball type multifunction nursing transfusion device |
| CN107802914A (en) * | 2017-12-04 | 2018-03-16 | 郑州大学第附属医院 | Anti- air inlet woven hose |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868715A (en) * | 1997-11-13 | 1999-02-09 | Tung; Chen Chang | Intravenous metering device having automatic stopper |
| CN200957244Y (en) * | 2006-06-28 | 2007-10-10 | 杜树枢 | Functional safety valve of infusion apparatus |
| CN201235118Y (en) * | 2008-07-23 | 2009-05-13 | 张合联 | Disposable infusion device with float needle valve |
| CN202892565U (en) * | 2012-11-22 | 2013-04-24 | 陆艾静 | Disposable infusion apparatus controlled by needle-shaped floater valve |
-
2012
- 2012-11-22 CN CN2012104780075A patent/CN102921077A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868715A (en) * | 1997-11-13 | 1999-02-09 | Tung; Chen Chang | Intravenous metering device having automatic stopper |
| CN200957244Y (en) * | 2006-06-28 | 2007-10-10 | 杜树枢 | Functional safety valve of infusion apparatus |
| CN201235118Y (en) * | 2008-07-23 | 2009-05-13 | 张合联 | Disposable infusion device with float needle valve |
| CN202892565U (en) * | 2012-11-22 | 2013-04-24 | 陆艾静 | Disposable infusion apparatus controlled by needle-shaped floater valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648705A (en) * | 2017-11-14 | 2018-02-02 | 陈芳 | A kind of float-ball type multifunction nursing transfusion device |
| CN107648705B (en) * | 2017-11-14 | 2020-07-03 | 陈芳 | Floating ball type multifunctional nursing infusion apparatus |
| CN107802914A (en) * | 2017-12-04 | 2018-03-16 | 郑州大学第附属医院 | Anti- air inlet woven hose |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |