CN201029918Y - Cephalic suction for fetus - Google Patents
Cephalic suction for fetus Download PDFInfo
- Publication number
- CN201029918Y CN201029918Y CNU2007200221508U CN200720022150U CN201029918Y CN 201029918 Y CN201029918 Y CN 201029918Y CN U2007200221508 U CNU2007200221508 U CN U2007200221508U CN 200720022150 U CN200720022150 U CN 200720022150U CN 201029918 Y CN201029918 Y CN 201029918Y
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- cylinder body
- utility
- model
- valve
- aspirating
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Abstract
Provided is an aspirator of cephalic relating to a medical apparatus for obstetric in obstetrical department. The utility model comprises a conical aspirating housing, a one-way air inlet valve, a cylinder body and a rod line carrier of which the end is connected with a plug. The utility model is characterized in that the plug fixed at the front end of the rod line carrier is positioned inside the cylinder body and connected with the inner wall of the cylinder body via sliding sealing connection, the front end of the cylinder body is connected with the one-way air inlet valve, the lateral wall of the front end of the cylinder body is arranged with an air outlet valve, the other end of the one-way air inlet valve is connected at the rear end of the conical aspirating housing through a connecting pipe of which a decompression valve and a vacuum gauge are mounted, and the front end of the conical aspirating housing is installed with a rubber sheath. The utility model has the advantages of reasonable design, convenient operation, safe and reliable utilization, the utility model is employed to control and stabilize negative pressure in the process of the obstetric in obstetrical department, the pressure can be increased continuously and decreased quickly, surge and air leakage are not happened easily, only need one person to operate, avoiding haematoma in the head portion, fracture and blooding in the head of babies which are caused by overused labor, surge and the like.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments that is used for obstetrics' practise midwifery, a kind of specifically vacuum extractor.
Background technology
Often need artificial practise midwifery when the puerpera produces, vacuum extractor is the practise midwifery utensil that obstetrics' practise midwifery is often used.At present, the vacuum extractor that uses of obstetrics mainly contains straight type, curved, bell jar type etc.But, owing to all there are shortcomings such as gas leakage, easy slippage, captivation size are wayward, the many people's operations of needs during its clinical use, easily cause fetus head such as fetus head hematoma, fracture and intracerebral hemorrhage to damage, had a strong impact on its use because of attraction, slippage repeatedly or the factor such as excessive of exerting oneself.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of safe and reliable, is difficult for slippage and gas leakage, and may command is stablized captivation, and is single with regard to operable vacuum extractor.
The purpose of this utility model is achieved in that this vacuum extractor is made up of the pumping rod that taper attracts cover, breather cheek valve, cylinder body and front end to be connected with piston, the fixed piston of pumping rod front end is connected with the inboard wall of cylinder block slipper seal in cylinder body, the cylinder body front end is connected with breather cheek valve, the cylinder body front end side wall is provided with air bleeding valve, the other end of breather cheek valve is connected taper by the top connection tube that is provided with relief valve and vacuum meter and attracts the cover rear end, and taper attracts the front end of cover to be provided with rubber case.
During use, attract the rubber case of cover front end to coat lubricating fluid in taper earlier, the opening that taper attraction is covered all slips into vagina and is adjacent to fetus head, hold cylinder body then, the pulling pumping rod attracts the air in the cover to be drawn in the cylinder body, attract to form in the cover negative pressure and hold fetal head, draw then, after fetal head is given birth to, open relief valve, remove and attract negative pressure in the cover, fetal head breaks away from attracting cover, and after finishing using, the air bleeding valve of opening on the cylinder body front end side wall gets final product piston reset.
Advantage of the present utility model: reasonable in design, easy to operate, safe and reliable, negative regulation is controlled when being used for obstetrics' practise midwifery, supercharging continuously, blood pressure lowering fast, be difficult for slippage and gas leakage, but the one man operation has avoided causing fetus head hematoma, fracture and intracerebral hemorrhage because of excessive, slippage etc. firmly.
Description of drawings
Accompanying drawing is a structure chart of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is described in further detail: this vacuum extractor is made up of the pumping rod 4 that taper attracts cover 1, breather cheek valve 2, cylinder body 3 and front end to be connected with piston, the fixed piston of pumping rod 4 front ends is connected with cylinder body 3 inwall slipper seals in cylinder body 3, cylinder body 3 front ends are connected with breather cheek valve 2, cylinder body 3 front end side wall are provided with air bleeding valve 5, the other end of breather cheek valve 2 is connected taper by the top connection tube that is provided with relief valve 6 and vacuum meter 7 and attracts cover 1 rear end, and taper attracts the front end of cover 1 to be provided with rubber case 8.
Claims (1)
1. vacuum extractor, attract cover (1) by taper, breather cheek valve (2), cylinder body (3) and front end are connected with the pumping rod (4) of piston and form, it is characterized in that the fixed piston of pumping rod (4) front end is connected with cylinder body (3) inwall slipper seal in cylinder body (3), cylinder body (3) front end is connected with breather cheek valve (2), cylinder body (3) front end side wall is provided with air bleeding valve (5), the other end of breather cheek valve (2) is connected taper by the top connection tube that is provided with relief valve (6) and vacuum meter (7) and attracts cover (1) rear end, and taper attracts the front end of cover (1) to be provided with rubber case (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200221508U CN201029918Y (en) | 2007-05-21 | 2007-05-21 | Cephalic suction for fetus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200221508U CN201029918Y (en) | 2007-05-21 | 2007-05-21 | Cephalic suction for fetus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201029918Y true CN201029918Y (en) | 2008-03-05 |
Family
ID=39161815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200221508U Expired - Fee Related CN201029918Y (en) | 2007-05-21 | 2007-05-21 | Cephalic suction for fetus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201029918Y (en) |
-
2007
- 2007-05-21 CN CNU2007200221508U patent/CN201029918Y/en not_active Expired - Fee Related
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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: 20080305 |