CN201058044Y - Cephalic suction - Google Patents
Cephalic suction Download PDFInfo
- Publication number
- CN201058044Y CN201058044Y CNU2007200253477U CN200720025347U CN201058044Y CN 201058044 Y CN201058044 Y CN 201058044Y CN U2007200253477 U CNU2007200253477 U CN U2007200253477U CN 200720025347 U CN200720025347 U CN 200720025347U CN 201058044 Y CN201058044 Y CN 201058044Y
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- Prior art keywords
- jar
- utility
- piston
- model
- suction
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Abstract
The utility model provides a fetal head suction apparatus belonging to the obstetric midwifery medical appliance field. The utility model comprises a suction tray and a jar connected with the suction tray; wherein, the jar is step-shaped, the end with bigger diameter of the jar is connected with the suction tray, a retaining valve and a reducing valve are arranged in the cavity of the end with bigger diameter; a piston and a push-pull rod connected with the piston are arranged in the caliber of the smaller-diameter end of the jar. Compared with the prior art, the fetal head suction apparatus in the utility model is characterized by reasonable design, compact structure, one operator, convenient operation, continuous pressurizing and quick depressurizing, versatility, safety and reliability.
Description
(1) technical field
This utility model relates to a kind of obstetrics practise midwifery medical apparatus and instruments, specifically a kind of vacuum extractor.
(2) background technology
The apparatus that baby's practise midwifery all need produce negative pressure is in order to attracting, and commonly used in the past have an empty tube of cone-shaped metal, and an end is big, one end is little, holds to adhering to the fetal head end greatly, and it has two short handles and a quoit, be used for tractive, a side of short handle is that hollow pipe communicates with suction pump and air ejector, and also having a kind of is oblate metal cap, the broad general goal porose rubber tube that connects in middle part passes through pump bowl, but all need two people's operations, when negative pressure is not enough, the easy slippage of suction pump, when negative pressure is excessive, easy damaged baby's scalp.
(3) summary of the invention
Technical assignment of the present utility model is at the deficiencies in the prior art, but a kind of one man operation, safe and reliable vacuum extractor are provided.
A kind of vacuum extractor, comprise sucker and the cylinder body that is connected with sucker, cylinder body is stepped, and its bigger diameter end and sucker join, be provided with check valve and relief valve among the inner chamber of bigger diameter end place, be provided with piston and the push-pull bar that is connected with piston in the caliber at miner diameter end place.
Above-mentioned vacuum extractor also is provided with tow handle on the outer wall of its cylinder body.
A kind of vacuum extractor of the present utility model compared with prior art, the beneficial effect that is produced is: but reasonable in design, compact conformation one man operation, easy to operate, supercharging continuously, fast blood pressure lowering, of many uses, safe and reliable.
(4) description of drawings
Accompanying drawing 1 is a sectional structure sketch map of the present utility model.
Among the figure, 1, sucker, 2, cylinder body, 3, check valve, 4, relief valve, 5, piston, 6, push-pull bar, 7, tow handle.
(5) specific embodiment
Below in conjunction with explaining below 1 pair of a kind of vacuum extractor work of the present utility model of accompanying drawing.
As shown in Figure 1, a kind of vacuum extractor of the present utility model, its structure comprises sucker 1 and the cylinder body 2 that is connected with sucker 1, cylinder body 2 is stepped, its bigger diameter end and sucker 1 join, be provided with check valve 3 and relief valve 4 among the inner chamber of bigger diameter end place, be provided with piston 5 and the push-pull bar 6 that is connected with piston 5 in the caliber at miner diameter end place.Also be provided with tow handle 7 on the outer wall of cylinder body 2.
Its processing and fabricating of a kind of vacuum extractor of the present utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characterictic of description, be the known technology of those skilled in the art.
Claims (2)
1. vacuum extractor, it is characterized in that, comprise sucker (1) and the cylinder body (2) that is connected with sucker (1), cylinder body (2) is stepped, its bigger diameter end and sucker (1) join, be provided with check valve (3) and relief valve (4) among the inner chamber of bigger diameter end place, be provided with piston (5) and the push-pull bar (6) that is connected with piston (5) in the caliber at miner diameter end place.
2. a kind of vacuum extractor according to claim 1 is characterized in that, also is provided with tow handle (7) on the outer wall of cylinder body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200253477U CN201058044Y (en) | 2007-07-20 | 2007-07-20 | Cephalic suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200253477U CN201058044Y (en) | 2007-07-20 | 2007-07-20 | Cephalic suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201058044Y true CN201058044Y (en) | 2008-05-14 |
Family
ID=39406498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200253477U Expired - Fee Related CN201058044Y (en) | 2007-07-20 | 2007-07-20 | Cephalic suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201058044Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464855A (en) * | 2018-04-18 | 2018-08-31 | 汪娜 | A kind of Multifunctional gynecological medical treatment obstetric apparatus easy to use |
| CN112754629A (en) * | 2021-01-17 | 2021-05-07 | 曾红梅 | Obstetric apparatus for obstetrical department |
| CN117823504A (en) * | 2024-03-02 | 2024-04-05 | 宁波鑫星汽车部件有限公司 | Auxiliary positioning device for mounting automobile label |
-
2007
- 2007-07-20 CN CNU2007200253477U patent/CN201058044Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108464855A (en) * | 2018-04-18 | 2018-08-31 | 汪娜 | A kind of Multifunctional gynecological medical treatment obstetric apparatus easy to use |
| CN112754629A (en) * | 2021-01-17 | 2021-05-07 | 曾红梅 | Obstetric apparatus for obstetrical department |
| CN117823504A (en) * | 2024-03-02 | 2024-04-05 | 宁波鑫星汽车部件有限公司 | Auxiliary positioning device for mounting automobile label |
| CN117823504B (en) * | 2024-03-02 | 2024-05-24 | 宁波鑫星汽车部件有限公司 | Auxiliary positioning device for mounting automobile label |
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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: 20080514 |