CN2834435Y - Cephalic suction device for fetus - Google Patents
Cephalic suction device for fetus Download PDFInfo
- Publication number
- CN2834435Y CN2834435Y CNU2005201245021U CN200520124502U CN2834435Y CN 2834435 Y CN2834435 Y CN 2834435Y CN U2005201245021 U CNU2005201245021 U CN U2005201245021U CN 200520124502 U CN200520124502 U CN 200520124502U CN 2834435 Y CN2834435 Y CN 2834435Y
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- utility
- tie
- cephalic
- fetus
- 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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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The utility model discloses a cephalic suction device for a fetus, which comprises a suction disk, a cylinder body and a piston capable of moving in the cylinder body, wherein the suction disk is connected with the cylinder body through a connecting disk in which a check valve is arranged; the front end of the connecting disk is provided with a pressure relief valve, and the rear end is provided with an air discharge valve. The utility model has the advantages of reasonable design, compact structure, convenient operation, wide purpose and high safety, and can be operated only by one man, can be continuously pressurized and can be rapidly depressurized.
Description
(1) technical field
This utility model relates to the medical apparatus and instruments of a kind of obstetrics practise midwifery, particularly 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 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
The technical problems to be solved in the utility model is: but a kind of one man operation, safe and reliable vacuum extractor are provided.
In order to solve the problems of the technologies described above, this utility model comprises sucker, cylinder body and the piston that can move in cylinder body, and sucker is connected by tie-plate with cylinder body, and ball-and-seat is arranged in the tie-plate, and the tie-plate front end has relief valve, and there is air bleeding valve the rear end.
The beneficial effects of the utility model are: but this utility model advantage is reasonable in design, compact conformation one man operation, easy to operate, supercharging continuously, blood pressure lowering fast, of many uses, safe and reliable.
(4) description of drawings
Accompanying drawing is this utility model structural representation;
Among the figure: 1, sucker, 2, relief valve, 3, air bleeding valve, 4, cylinder body, 5, piston, 6, tie-plate, 7, rubber blanket.
(5) specific embodiment
A kind of specific embodiment as shown in the figure comprises sucker 1, cylinder body 4 and the piston 5 that can move in cylinder body 4, sucker 1 is connected by tie-plate 6 with cylinder body 4, cylinder body 4 and tie-plate 6 connection places are at rubber blanket 7, in the tie-plate 6 ball-and-seat is arranged, tie-plate 6 front ends have relief valve 2, and there is air bleeding valve 3 rear end.
Claims (1)
1. vacuum extractor, it is characterized in that: comprise sucker (1), cylinder body (4) and the piston (5) that can in cylinder body (4), move, sucker (1) is connected by tie-plate (6) with cylinder body (4), tie-plate has ball-and-seat in (6), tie-plate (6) front end has relief valve (2), and there is air bleeding valve (3) rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201245021U CN2834435Y (en) | 2005-11-11 | 2005-11-11 | Cephalic suction device for fetus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201245021U CN2834435Y (en) | 2005-11-11 | 2005-11-11 | Cephalic suction device for fetus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2834435Y true CN2834435Y (en) | 2006-11-08 |
Family
ID=37299094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201245021U Expired - Fee Related CN2834435Y (en) | 2005-11-11 | 2005-11-11 | Cephalic suction device for fetus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2834435Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513805A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting trepan suit of bone drilling is got with percutaneous centrum circular cutting and suction type to backbone minimal access surgery |
-
2005
- 2005-11-11 CN CNU2005201245021U patent/CN2834435Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111513805A (en) * | 2020-05-06 | 2020-08-11 | 遵义医科大学附属医院 | Accurate depth-limiting trepan suit of bone drilling is got with percutaneous centrum circular cutting and suction type to backbone minimal access surgery |
| CN111513805B (en) * | 2020-05-06 | 2021-09-14 | 遵义医科大学附属医院 | Accurate depth-limiting trepan suit of bone drilling is got with percutaneous centrum circular cutting and suction type to backbone minimal access surgery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |