CN2443703Y - Cephalic suction - Google Patents
Cephalic suction Download PDFInfo
- Publication number
- CN2443703Y CN2443703Y CN 00248590 CN00248590U CN2443703Y CN 2443703 Y CN2443703 Y CN 2443703Y CN 00248590 CN00248590 CN 00248590 CN 00248590 U CN00248590 U CN 00248590U CN 2443703 Y CN2443703 Y CN 2443703Y
- Authority
- CN
- China
- Prior art keywords
- valve
- tail end
- draft tube
- negative pressure
- utility
- 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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Abstract
The utility model relates to an apparatus for the department of obstetrics and gynecology, which comprises a suction cover and a suction pipe which is arranged on the suction cover, wherein, the upper end of the suction cover is provided with a hole communicated with the suction pipe which is provided with a negative pressure gauge, the tail end of the suction pipe is fixedly connected with a valve, and the tail end of the valve and a needle bed are in hermetic sealing connection. The negative pressure gauge can accurately quantify the negative pressure value, the suction cover is not easy to slip and is not easy to injure the fetal head, and the tail end of the valve and a needle bed are in hermetic sealing connection. When the utility model is sterilized by high temperature and pressure, the physical properties of the utility model is unchanged, and the quality is stable.
Description
This utility model relates to a kind of gynaecological and obstetrical instrument, is specifically related to a kind of vacuum extractor.
At present, vacuum extractor commonly used comprises the draft tube of inhaling the cover and the face that is installed on it, and inhaling the cover upper end has the hole that communicates with draft tube, the draft tube tail end connects hose, this structure, and rubber is aging, weak easily when the vacuum extractor autoclave sterilization, the easy adhesion of tube chamber, easily flat when bleeding, be difficult for forming negative pressure, and vacuum extractor can not accurately be known the negative pressure value size when suction, make negative pressure too small, a little less than the captivation, the easy slippage of vacuum extractor, negative pressure is excessive, damages fetal head easily.
The purpose of this utility model just provides and a kind ofly can form moderate negative pressure, the vacuum extractor of steady quality, handling safety.
To achieve these goals, the technical solution of the utility model is: a kind of vacuum extractor comprises the draft tube of inhaling the cover and the face that is installed on it, inhale the cover upper end hole that communicates with draft tube is arranged, its construction features is: draft tube is provided with vacuum table, at the affixed valve of the tail end of draft tube, the hermetic seal of valve tail end connects needle stand.
This utility model is provided with vacuum table owing to adopt said structure on draft tube, at the affixed valve of the tail end of draft tube, the hermetic seal of valve tail end connects needle stand; Can accurately quantize negative pressure value by vacuum table, make negative pressure reach 280mmHg-350mmHg, inhale cover and be difficult for slippage, also be not easy to damage fetal head, the hermetic seal of valve tail end connects needle stand, when autoclave sterilization, its physical property is constant, it is easily aging, weak to have overcome sebific duct, the deficiency of the easy adhesion of tube chamber, steady quality.
Describe this utility model in detail below in conjunction with drawings and Examples;
Accompanying drawing shows the front view of this utility model embodiment;
This utility model comprises the draft tube 2 of inhaling the cover 1 and the face that is installed on it, and inhaling cover 1 upper end has the hole that communicates with draft tube 2, and draft tube 2 is provided with vacuum table 3, and at the affixed valve 4 of the tail end of draft tube 2, valve 4 tail end hermetic seals connect needle stand 5.At first, the lower edge of inhaling cover 1 opening is sent into along posterior vaginal wall, turned on the valve 4 of the tail end of draft tube 2, make and inhale cover 1 and communicate with the external world, connect syringes at needle stand 5, valve-off 4 after the suction by draft tube 2, after syringe was released air, syringe connected needle stand again, moves in circles, negative pressure value according to vacuum table 3 demonstrations, make negative pressure value moderate, inhale cover 1 and be difficult for slippage, also be not easy to damage fetal head, firmly traction is gradually exposed until fetal head then.
Claims (1)
- A kind of vacuum extractor comprises the draft tube (2) of inhaling the cover (1) and the face that is installed on it, inhale cover (1) upper end the hole that communicates with draft tube (2) is arranged, it is characterized in that: draft tube (2) is provided with vacuum table (3), at the affixed valve of tail end (4) of draft tube (2), valve (4) tail end hermetic seal connects needle stand (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248590 CN2443703Y (en) | 2000-09-29 | 2000-09-29 | Cephalic suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248590 CN2443703Y (en) | 2000-09-29 | 2000-09-29 | Cephalic suction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2443703Y true CN2443703Y (en) | 2001-08-22 |
Family
ID=33607212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00248590 Expired - Fee Related CN2443703Y (en) | 2000-09-29 | 2000-09-29 | Cephalic suction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2443703Y (en) |
-
2000
- 2000-09-29 CN CN 00248590 patent/CN2443703Y/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 | ||
| 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 |