CN202426920U - Puncturing aspirator - Google Patents
Puncturing aspirator Download PDFInfo
- Publication number
- CN202426920U CN202426920U CN2011205034561U CN201120503456U CN202426920U CN 202426920 U CN202426920 U CN 202426920U CN 2011205034561 U CN2011205034561 U CN 2011205034561U CN 201120503456 U CN201120503456 U CN 201120503456U CN 202426920 U CN202426920 U CN 202426920U
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- CN
- China
- Prior art keywords
- needle
- syringe
- puncturing
- pressure
- tube
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- 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 the technical field of medical equipment. Aiming to solve the technical problems that the existing conventional syringe needs a plurality of times of puncturing and is difficult to operate, the technical scheme disclosed by the utility model is as follows: the puncturing aspirator comprises a puncturing syringe needle and a negative-pressure needle tube, wherein the negative-pressure needle tube comprises a needle cylinder, a piston in the needle cylinder and a needle plug connected with the piston; the puncturing syringe needle is connected with the front end of the needle tube by using a hose; the puncturing aspirator is characterized in that a lower side needle cylinder wall of the needle cylinder, which is close to the front end, is provided with a liquid discharging connector tube in an manner of outwards extending; the front end of the inner part of the needle tube and the connector tube are internally and respectively provided with a one-way valve; when a needle tube inner pressure is less than an outer pressure, the one-way valve at the front end of the inner part of the needle tube is opened; and when a needle tube inner pressure is more than the outer pressure, the one-way valve of the one-way valve in the connector tube is opened. The puncturing aspirator disclosed by the utility model has the advantages of reasonable structure and convenience for operation, is an ideal tool for puncturing and sucking, and can be widely applied to a medical treatment process.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically is meant a kind of puncture suction device.
Background technology
Thoracic cavity and hydroabdomen patient that present a variety of causes causes are very common in internal medicine is clinical, how need carry out puncture drainage, need carry out puncture suction to accelerate to alleviate thoracic cavity or abdominal pressure to some critical patients.The puncture suction method that adopts at present is to adopt each the suction of big needle tubing, not only increased misery to the patient, and troublesome poeration causes the infection at hydrops position and the chance of air admission easily.
Summary of the invention
The purpose of this utility model provides a kind of puncture suction device, to overcome the repeatedly technical problem of puncture, troublesome poeration that present employing conventional syringe suction exists, the technical purpose of reach one-time puncture, repeatedly aspirating.
The technical scheme that this utility model adopts is: the puncture suction device; Comprise piercing needle, negative pressure needle tubing; The negative pressure needle tubing comprises that syringe, the inner piston of syringe reach the pintle that links to each other with piston; Piercing needle and needle tubing front end adopt hose connection, it is characterized in that: said syringe is respectively equipped with check valve at the fluid mouthpiece that stretches out of the downside needle cylinder wall near front end in syringe interior forward end and mouthpiece; The check valve of said syringe interior forward end is opened during less than external pressure in the syringe internal pressure, and the check valve in the said mouthpiece is opened during greater than external pressure in the syringe internal pressure.
The beneficial effect of this utility model: can guarantee when puncture suction, to reach one-time puncture, the technical purpose of suction repeatedly because check valve is set respectively in syringe front end and mouthpiece, overcome the technological deficiency that present employing injection needle repeatedly punctures, repeatedly aspirates.This utility model is rational in infrastructure, easy and simple to handle, is the desirable apparatus that carries out puncture suction, can be widely used in the medical treatment process.
Description of drawings
Accompanying drawing is the structural representation of this utility model.
Among the figure, 1, piercing needle, 2, syringe, 3, flexible pipe, 4, piston, 5, pintle, 6, mouthpiece, 7-1, first check valve, 7-2, second check valve.
The specific embodiment
According to accompanying drawing and embodiment this utility model is further specified below.
Shown in accompanying drawing, the puncture suction device comprises piercing needle 1, negative pressure needle tubing, and the negative pressure needle tubing comprises that syringe 2, the inner piston 4 of syringe reach the pintle 5 that links to each other with piston, and piercing needle 1 adopts flexible pipe 3 to be connected with the needle tubing front end.
Shown in accompanying drawing, syringe 2 is at the fluid mouthpiece 6 that stretches out of the downside needle cylinder wall near front end, is provided with the first check valve 7-1 in the syringe interior forward end near the position of syringe outlet, is provided with the second check valve 7-2 in mouthpiece 6 inside.
The installation direction of the first check valve 7-1 of syringe interior forward end is: when syringe internal pressure this one-way valve opens during less than external pressure, otherwise close; The installation direction of the second check valve 7-2 in the mouthpiece is: when syringe internal pressure this one-way valve opens during greater than external pressure, otherwise close.
During use, connect the hydrops container, piercing needle 1 is punctured to the hydrops position through fluid mouthpiece 6; Pulling pintle 5, at this moment, the inner negative pressure that forms of syringe; The syringe internal pressure is less than its external pressure; The first check valve 7-1 of syringe Inner Front End opens, and the second check valve 7-2 in the mouthpiece 6 closes, and hydrops is pumped down to syringe inside with the pulling of pintle; After the hydrops in the syringe is taken out completely; To the inner pintle that promotes of syringe, the syringe internal pressure is greater than its external pressure at this moment, and the second check valve 7-2 in the mouthpiece 6 open; The first check valve 7-1 of syringe Inner Front End closes, and the hydrops in the syringe is drained through the fluid mouthpiece; Repeat said process, can realize that hydrops aspirates fast in the body.
Piercing needle 1 adopts flexible pipe to be connected with syringe 2, can guarantee that piercing needle 1 can not be shifted with the action of syringe when carrying out suction action, guarantees the stable of site of puncture.
Claims (1)
1. puncture suction device; Comprise piercing needle, negative pressure needle tubing; The negative pressure needle tubing comprises that syringe, the inner piston of syringe reach the pintle that links to each other with piston; Piercing needle and needle tubing front end adopt hose connection, it is characterized in that: said syringe is respectively equipped with check valve at the fluid mouthpiece that stretches out of the downside needle cylinder wall near front end in syringe interior forward end and mouthpiece; The check valve of said syringe interior forward end is opened during less than external pressure in the syringe internal pressure, and the check valve in the said mouthpiece is opened during greater than external pressure in the syringe internal pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205034561U CN202426920U (en) | 2011-12-07 | 2011-12-07 | Puncturing aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205034561U CN202426920U (en) | 2011-12-07 | 2011-12-07 | Puncturing aspirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202426920U true CN202426920U (en) | 2012-09-12 |
Family
ID=46776401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205034561U Expired - Fee Related CN202426920U (en) | 2011-12-07 | 2011-12-07 | Puncturing aspirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202426920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667587A (en) * | 2016-11-30 | 2017-05-17 | 中国人民解放军第三军医大学第三附属医院 | Surgical field protective cover for intestinal obstruction operation |
| CN115998971A (en) * | 2023-02-09 | 2023-04-25 | 温州医科大学附属眼视光医院 | Temperature-control pressure injector |
-
2011
- 2011-12-07 CN CN2011205034561U patent/CN202426920U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667587A (en) * | 2016-11-30 | 2017-05-17 | 中国人民解放军第三军医大学第三附属医院 | Surgical field protective cover for intestinal obstruction operation |
| CN106667587B (en) * | 2016-11-30 | 2019-05-21 | 中国人民解放军第三军医大学第三附属医院 | Surgical Field Protector for Intestinal Obstruction Surgery |
| CN115998971A (en) * | 2023-02-09 | 2023-04-25 | 温州医科大学附属眼视光医院 | Temperature-control pressure injector |
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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: 20120912 Termination date: 20121207 |