CN201710753U - Novel medical injector - Google Patents
Novel medical injector Download PDFInfo
- Publication number
- CN201710753U CN201710753U CN2010202384249U CN201020238424U CN201710753U CN 201710753 U CN201710753 U CN 201710753U CN 2010202384249 U CN2010202384249 U CN 2010202384249U CN 201020238424 U CN201020238424 U CN 201020238424U CN 201710753 U CN201710753 U CN 201710753U
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- CN
- China
- Prior art keywords
- air bag
- human body
- elastic air
- piston
- circular needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a novel medical injector for liquid exhaust and inhalation in the hospital and clinic. In the injection process, a needle head can remain stable in the human body, and an axial thrust needs not to be exerted by a thumb to oppress the push rod piston, so as to reduce the pain of the patient. The utility model adopts the technical scheme that the needle head is mounted on a circular needle tube; the piston is interposed in the circular needle tube; an elastic air bag is sleeved at the other end of the circular needle tube, and is in sealed connection with the circular needle tube in virtue of the elasticity of the neck; and a ventilating switch is fixed at the neck of the elastic air bag. During injection, the elastic air bag is held by the hand in the radial direction to push the piston to move, the liquid medicine is exhausted to enter the human body, and the needle head can remain stable without crawling in the human body, thereby alleviating the pain of the patient. The liquid can be injected in the human body in the way that the spherical elastic air bag is held in the radial direction without the axial thrust; moreover, the utility model has the advantages of convenient operation, easy mastery, simple structure and low cost, the elastic air bag can be repeatedly used, and the medical injector can be applicable to the liquid medicine injection in hospitals, clinics or households.
Description
Technical field:
This utility model relates to a kind of new medical syringe that is used for hospital, clinic discharge or sucks liquid.
Background technology:
Injector for medical purpose is made up of syringe needle, needle tubing, piston and push rod usually.When injection or sucking-off liquid, syringe needle often can not inserted in the human body fully, and is a part wherein.During injection, if syringe needle is wriggled in vivo, people will feel that misery is felt bad more.In the actual injection operation, after the medical worker penetrated syringe needle in the human body, singlehanded forefinger and middle finger clamping needle tubing made it keep stable, and thumb compressing push rod makes the piston reach.The needle tubing internal pressure raises, and liquid is injected human body.In this process, one hand should make great efforts to make the needle tubing of clamping to keep balance, avoids syringe needle to wriggle in vivo, applies the axial force consistent with the syringe needle direction again and promotes piston.Analysis knows that the thumb compressing axial force that push rod applied is to make syringe needle can not keep stable main cause in vivo.This is not easy to grasp for amateur medical worker or abecedarian, and particularly some patients inject in the family.
Summary of the invention
The purpose of this utility model is: in injection process, keep stable in order to make syringe needle in human body, do not need to apply axial force compressing push-rod piston with thumb, reduce patient's misery, the spy provides a kind of new medical syringe.
In order to achieve the above object, this utility model by the following technical solutions: a kind of new medical syringe, form by syringe needle, circular needle tubing, piston, elastic bag, ventilation switch.Its architectural feature is: syringe needle is installed on the circular needle tubing; Piston is placed in the circular needle tubing; Elastic bag is enclosed within the circular needle tubing other end, leans on the elastic force of cervical region to be connected sealing with circular needle tubing; The ventilation switch is fixed on the elastic bag cervical region.
During injection, radially hold with hands and to pinch elastic bag, the B chamber produces high pressure, the reach of promotion piston, the A cavity pressure raises, and discharges medicinal liquid and enters human body, owing to there is not the ordinary syringe thumb to put on axial force on the push-rod piston, syringe needle can not wriggled in human body and be kept stable, alleviates patient's misery.
The beneficial effects of the utility model are: (1) does not need axial thrust, only need radially hold and pinch spherical elastic bag, just liquid can be injected in the body; (2) syringe needle can not move axially, and reduces patient's misery; (3) easy to operate easy grasp; (4) simple in structure, (elastic bag can repeatedly use) with low cost.
Description of drawings
Accompanying drawing is the structural representation of this utility model injector for medical purpose.1. syringe needles among the figure, 2. circular needle tubing, 3. piston, 4. elastic bag, 5. ventilation switch, A. syringe intracavity body, B. elastic bag inner chamber body.
The specific embodiment
Press shown in the accompanying drawing, when drawing medicinal liquid, close ventilation switch 5, hold and pinch elastic bag 4, the B cavity volume reduces, and pressure increases, and promotes piston 3 and is moved to the left; Syringe needle 1 inserts medicine bottle, loosens to hold and pinches elastic bag 4, and its elastic return increases the B cavity volume, and pressure reduces, and piston 3 moves right under differential pressure action, and the A cavity volume reduces, and medicinal liquid is inhaled into.If there is gas in the A chamber, can with syringe needle 1 upwards gently pinch elastic bag 4, extrude gas in the needle tubing, open ventilation switch 5, unclamp to hold and pinch elastic bag 4, air enters the B chamber from ventilation switch 5, treat that elastic bag 4 recovers fully after, close the switch 5 of ventilating again.During injection, syringe needle 1 penetrates in the body, radially holds and pinches elastic bag 4, and the B cavity pressure increases, and promotes piston 3 and moves to left, and the A cavity pressure increases, and medicinal liquid is injected in the body.Finish, open ventilation switch 5, elastic bag 4 air inlets are in atmospheric pressure state, extract syringe needle 1.
Claims (1)
1. a new medical syringe is made up of syringe needle, circular needle tubing, piston, elastic bag, ventilation switch, it is characterized in that: syringe needle (1) is installed on the circular needle tubing (2); Piston (3) is placed in the circular needle tubing (2); Elastic bag (4) is enclosed within the other end of circular needle tubing (2), leans on the elastic force of cervical region to be connected sealing with circular needle tubing (2); Ventilation switch (5) is fixed on the cervical region of elastic bag (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202384249U CN201710753U (en) | 2010-06-24 | 2010-06-24 | Novel medical injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202384249U CN201710753U (en) | 2010-06-24 | 2010-06-24 | Novel medical injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201710753U true CN201710753U (en) | 2011-01-19 |
Family
ID=43456745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202384249U Expired - Fee Related CN201710753U (en) | 2010-06-24 | 2010-06-24 | Novel medical injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201710753U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191495A (en) * | 2013-04-27 | 2013-07-10 | 北京佳宸弘生物技术有限公司 | Method for ejecting liquid in injector by micro pump and micro pump support device |
| CN105877869A (en) * | 2016-05-16 | 2016-08-24 | 宁波大学 | Injection device for animals |
| CN106310459A (en) * | 2016-11-14 | 2017-01-11 | 刘雨 | Airbag type constant-speed automated injection device |
| CN104382738B (en) * | 2014-10-24 | 2017-02-15 | 冯伟明 | Injector capable of realizing quantitative and fast suction |
| CN108578226A (en) * | 2018-07-03 | 2018-09-28 | 苏州高新区人民医院 | A kind of thread embedding needle knife device |
| CN108934545A (en) * | 2018-06-22 | 2018-12-07 | 遵义林仙康茶旅有限公司 | A kind of medical fluid transportation system for tea bush trimmer device |
| CN109793561A (en) * | 2019-01-17 | 2019-05-24 | 赵红岩 | A kind of reproductive medicine is manually inseminated transplantation device |
-
2010
- 2010-06-24 CN CN2010202384249U patent/CN201710753U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103191495A (en) * | 2013-04-27 | 2013-07-10 | 北京佳宸弘生物技术有限公司 | Method for ejecting liquid in injector by micro pump and micro pump support device |
| CN103191495B (en) * | 2013-04-27 | 2015-07-15 | 北京佳宸弘生物技术有限公司 | Method for ejecting liquid in injector by micro pump and micro pump support device |
| CN104382738B (en) * | 2014-10-24 | 2017-02-15 | 冯伟明 | Injector capable of realizing quantitative and fast suction |
| CN105877869A (en) * | 2016-05-16 | 2016-08-24 | 宁波大学 | Injection device for animals |
| CN106310459A (en) * | 2016-11-14 | 2017-01-11 | 刘雨 | Airbag type constant-speed automated injection device |
| CN106310459B (en) * | 2016-11-14 | 2019-06-18 | 郝晓广 | The uniform and automatic injection device of gasbag-type |
| CN108934545A (en) * | 2018-06-22 | 2018-12-07 | 遵义林仙康茶旅有限公司 | A kind of medical fluid transportation system for tea bush trimmer device |
| CN108578226A (en) * | 2018-07-03 | 2018-09-28 | 苏州高新区人民医院 | A kind of thread embedding needle knife device |
| CN108578226B (en) * | 2018-07-03 | 2023-12-08 | 苏州高新区人民医院 | Thread embedding needle knife device |
| CN109793561A (en) * | 2019-01-17 | 2019-05-24 | 赵红岩 | A kind of reproductive medicine is manually inseminated transplantation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20120624 |