CN2602760Y - Pressure regulated disposable medical negative pressure suction apparatus - Google Patents
Pressure regulated disposable medical negative pressure suction apparatus Download PDFInfo
- Publication number
- CN2602760Y CN2602760Y CN 03211890 CN03211890U CN2602760Y CN 2602760 Y CN2602760 Y CN 2602760Y CN 03211890 CN03211890 CN 03211890 CN 03211890 U CN03211890 U CN 03211890U CN 2602760 Y CN2602760 Y CN 2602760Y
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- CN
- China
- Prior art keywords
- negative pressure
- box
- utility
- model
- disposable medical
- 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 a pressure regulating one time negative aspirator which comprises a fluid extract box and a negative pressure box which is provided with a piston type pull rod and a decompression valve that installed on one side of the negative pressure box and a unidirectional valve at the bottom of the negative box. An opening is installed on the fluid extract box and a numbered scale is arranged on the box body of the fluid extract box. The utility model is with stable performance and can adjust the amount of the negative pressure according to needs. The utility model is convenient to measure the drain and to be applied in clinical use. Furthermore, the utility model is dispensable and is more safe and health.
Description
Technical field:
This utility model relates to a kind of disposable medical vacuum extractor, particularly relates to a kind of pressure-adjustable type disposable medical vacuum extractor.
Background technology:
The disposable vacuum extractor of extensive use is to obtain negative pressure by stretching of spring clinically at present, and fluid is excreted; Its pressure is nonadjustable, because negative pressure is less, performance is also unstable, usually can not satisfy clinical requirement.
Summary of the invention:
This utility model purpose is to provide a kind of pressure-adjustable type disposable medical vacuum extractor, adopt piston type to bleed and obtain negative pressure, its dependable performance, can regulate vacuum magnitude as required, be convenient to drainage flow is measured, make it more convenient in clinical use, and be disposable use, safety and sanitation more.
The technical solution of the utility model be achieved in that pressure-adjustable type disposable medical vacuum extractor by get the liquid case, negative pressure box is formed; Be provided with pumping rod in the form of piston in the negative pressure box, and have pressure-relief valve in a side of negative pressure box, be provided with check valve in the bottom of negative pressure box, getting on the liquid case has perforate, and getting on the casing of liquid case has scale.
Good effect of the present utility model is: its dependable performance, can regulate vacuum magnitude as required, and be convenient to drainage flow is measured, more convenient in clinical use, and be disposable use, safety and sanitation more.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
The specific embodiment:
The utility model will be further described below in conjunction with accompanying drawing: as shown in Figure 1, pressure-adjustable type disposable medical vacuum extractor by get liquid case 1, negative pressure box forms 2; Be provided with pumping rod 3 in the form of piston in the negative pressure box 2, and have pressure-relief valve 4, be provided with check valve 5 in the bottom of negative pressure box 2 in a side of negative pressure box 2; Getting has perforate 6 on the liquid case 1, getting on the casing of liquid case has scale.When getting liquid, needs drainage tube can be connected with perforate 6 on getting liquid case 1, if the pumping rods 3 in the negative pressure box 2 upwards can be lifted the back and carry out release when in use getting liquid case 1 and needing release by the pressure-relief valve on the negative pressure box 24.Get scale on the liquid case 1 and can determine the metering of the drain liquid collected.
Claims (1)
1, a kind of pressure-adjustable type disposable medical vacuum extractor by get liquid case (1), negative pressure box (2) is formed; It is characterized in that: be provided with pumping rod in the form of piston (3) in the negative pressure box (2), and have pressure-relief valve (4), be provided with check valve (5) in the bottom of negative pressure box (2) in a side of negative pressure box (2); Getting has perforate (6) on the liquid case (1), getting on the casing of liquid case (1) has scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03211890 CN2602760Y (en) | 2003-03-14 | 2003-03-14 | Pressure regulated disposable medical negative pressure suction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03211890 CN2602760Y (en) | 2003-03-14 | 2003-03-14 | Pressure regulated disposable medical negative pressure suction apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2602760Y true CN2602760Y (en) | 2004-02-11 |
Family
ID=34159247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03211890 Expired - Fee Related CN2602760Y (en) | 2003-03-14 | 2003-03-14 | Pressure regulated disposable medical negative pressure suction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2602760Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309812A (en) * | 2011-10-21 | 2012-01-11 | 中国人民解放军第三军医大学第三附属医院 | Negative-pressure drainage device |
-
2003
- 2003-03-14 CN CN 03211890 patent/CN2602760Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102309812A (en) * | 2011-10-21 | 2012-01-11 | 中国人民解放军第三军医大学第三附属医院 | Negative-pressure drainage device |
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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 |