CN201500324U - Pneumoperitoneum apparatus based on microcomputer control - Google Patents
Pneumoperitoneum apparatus based on microcomputer control Download PDFInfo
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- CN201500324U CN201500324U CN2009201878357U CN200920187835U CN201500324U CN 201500324 U CN201500324 U CN 201500324U CN 2009201878357 U CN2009201878357 U CN 2009201878357U CN 200920187835 U CN200920187835 U CN 200920187835U CN 201500324 U CN201500324 U CN 201500324U
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Abstract
The utility model belongs to the field of mechanical devices, specifically relating to a pneumoperitoneum apparatus based on the microcomputer control, which comprises a medical gas cylinder. A pressure reducer is arranged on a pipeline connected with the outlet of the medical gas cylinder, the outlet of the pressure reducer is connected with the inlet of a current stabilizer, the outlet of the current stabilizer is connected with the outlet of the pneumoperitoneum apparatus through a pressure regulating mechanism, a pressure sensor is arranged on a pipeline between the pressure reducer and the current stabilizer, and the pressure sensor is electrically connected with a microcomputer controller. Compared with the traditional pneumoperitoneum apparatus, the pneumoperitoneum apparatus based on the microcomputer control, can more precisely regulate the velocity of the filled gas flow so as to improve clinical safety; simultaneously, in the pneumoperitoneum apparatus, the pressure sensor is arranged at the outlet end of the pressure reducer so as to reduce the impact of a high-pressure carbon dioxide gas on the pressure sensor and also to reduce the influence of impurities probably existing in the gas on the performance of the pressure sensor, thereby greatly prolonging the service life of the pressure sensor and improving the work reliability of the whole pneumoperitoneum apparatus.
Description
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of pneumoperitoneum apparatus based on microcomputerized control.
Background technology
The function of pneumoperitoneum apparatus is by charging into carbon dioxide people's abdominal cavity to be swelled, and to form necessary operative space, makes the operation doctor obtain good surgical field of view and comparatively abundant operation technique space.Yet pneumoperitoneum apparatus of the prior art still can not be controlled operating air pressure comparatively perfectly, causes the safety problem in the operation easily.
Summary of the invention
The purpose of this utility model provides a kind of pneumoperitoneum apparatus based on microcomputerized control, its simple structure and security performance height.
For achieving the above object, this utility model has adopted following technical scheme: a kind of pneumoperitoneum apparatus based on microcomputerized control, comprise medical gas bottle, the pipeline that links to each other with the outlet of medical gas bottle is provided with decompressor, the outlet of decompressor links to each other with the import of flow straightener, the outlet of flow straightener links to each other with the outlet of pneumoperitoneum apparatus through pressure regulating device, and the pipeline between decompressor and the flow straightener is provided with pressure transducer, and described pressure transducer is electrically connected with microcomputer controller.
As shown from the above technical solution, this utility model is provided with flow straightener at the rear side of decompressor, compares with traditional pneumoperitoneum apparatus technology, and the pneumoperitoneum apparatus that is arranged so that of flow straightener can comparatively accurately be regulated the flow velocity of aeration gas flow, thereby has improved clinical safety; This pneumoperitoneum apparatus is arranged on pressure transducer the port of export of decompressor simultaneously, reduced of the impact of high-pressure carbon dioxide gas to pressure transducer, also reduce simultaneously the impurity that may exist in the gas to the pressure transducer Effect on Performance, improved the working life of pressure transducer and the functional reliability of whole pneumoperitoneum apparatus greatly.From the above, this utility model simple structure and security performance height.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, a kind of pneumoperitoneum apparatus based on microcomputerized control, comprise medical gas bottle 10, the pipeline that links to each other with the outlet of medical gas bottle 10 is provided with decompressor 20, the outlet of decompressor 20 links to each other with the import of flow straightener 30, the outlet of flow straightener 30 links to each other with the outlet of pneumoperitoneum apparatus through pressure regulating device, and the pipeline between decompressor 20 and the flow straightener 30 is provided with first pressure transducer 41, and described first pressure transducer 41 is electrically connected with microcomputer controller 50.
After the gases at high pressure process decompression of decompressor 20 from carbon dioxide steel cylinder 10, make pneumoperitoneum apparatus obtain the carbon dioxide of pressure stability, its pressure design is below 6Kgf; Simultaneously as shown in Figure 1, the port of export of decompressor 20 has connected first pressure transducer 41, whether first pressure transducer 41 and microcomputer controller 50 are electrically connected with the gas pressure in the signal piping normal, just in time reports to the police by microcomputer controller 50 when gas pressure is unusual; Further, also set up flow straightener 30 in the pipeline, flow straightener 30 and follow-up gas circuit structure are worked in coordination, and make microcomputer controller 50 can accurately regulate the flow velocity of aeration gas flow, thereby have improved this pneumoperitoneum apparatus security performance clinically greatly.
As preferred version of the present utility model, also be provided with second pressure transducer 42 on the pipeline between described decompressor 20 and the flow straightener 30, second pressure transducer 42 and the aperture position of first pressure transducer 41 on described pipeline are staggered, and described second pressure transducer 42 is electrically connected with microcomputer controller 50.
As shown in Figure 1, because second pressure transducer 42 and the aperture position of first pressure transducer 41 on pipeline are staggered, therefore there is a pressure-drop in pipeline in the gas pressure of the two opening part, by known associated fluid computing formula, satisfying under the prerequisite of certainty of measurement, microcomputer controller 50 can be based on pressure-drop in pipeline with adopt the gas supply flow that obtain this pneumoperitoneum apparatus on the basis of gas pressure sensor, and is simple in structure and cost is lower.
Further, as shown in Figure 1, described pressure regulating device comprises first-class metered valve 61 and second flow valve 62 and the 3rd flow valve 63 in parallel mutually, the import of first-class metered valve 61 links to each other with the outlet of flow straightener 30, and the outlet of first-class metered valve 61 links to each other with the outlet of pneumoperitoneum apparatus with the 3rd flow valve 63 through second flow valve 62 in parallel mutually.
Described first-class metered valve 61, second flow valve 62 and the 3rd flow valve 63 are the electromagnetic valve that is electrically connected with microcomputer controller 50, and this three realizes accurately controlling the flow velocity of aeration gas flow under the pulse voltage control of microcomputer controller 50.
As another kind of preferred version of the present utility model, the port of export of described flow straightener 30 also is provided with the pressure-relief valve in parallel with pressure regulating device 70, and described pressure-relief valve 70 is electrically connected with microcomputer controller 50.
Pressure in loading line surpasses setting value, and when the air pressure of inside, the abdominal cavity of perhaps performing the operation surpasses setting value, microcomputer controller 50 will be reported to the police automatically, and opens pressure-relief valve 70 simultaneously and gas pressure is reduced to setting value.
Further, as shown in Figure 1, the same position place in described pneumoperitoneum apparatus exit is provided with 81,82, two pressure transducers 81,82 of two identical pressure transducers and all is electrically connected with microcomputer controller 50.
Because two identical pressure transducers 81,82 are laid in the same position place of pneumoperitoneum apparatus gas outlet, then microcomputer controller 50 can be realized the output of two pick offs of dynamic tracking 81,82, and by continuous round-off error, simulate real load pressure curve, when breaking down, pick off can also obtain judged result promptly and accurately, to guarantee safety clinically.
The Chinese of MCU among Fig. 1 (Micro Controller Unit) is a multipoint control unit, claims one chip microcomputer (Single Chip Microcomputer) again, also is the microcomputer controller 50 described in this utility model.
Claims (5)
1. pneumoperitoneum apparatus based on microcomputerized control, comprise medical gas bottle (10), it is characterized in that: the pipeline that links to each other with the outlet of medical gas bottle (10) is provided with decompressor (20), the outlet of decompressor (20) links to each other with the import of flow straightener (30), the outlet of flow straightener (30) links to each other with the outlet of pneumoperitoneum apparatus through pressure regulating device, pipeline between decompressor (20) and the flow straightener (30) is provided with first pressure transducer (41), and described first pressure transducer (41) is electrically connected with microcomputer controller (50).
2. the pneumoperitoneum apparatus based on microcomputerized control according to claim 1, it is characterized in that: described pressure regulating device comprises first-class metered valve (61) and second flow valve (62) and the 3rd flow valve (63) in parallel mutually, the import of first-class metered valve (61) links to each other with the outlet of flow straightener (30), the outlet of first-class metered valve (61) links to each other described first-class metered valve (61) through second flow valve (62) in parallel mutually with the outlet of pneumoperitoneum apparatus with the 3rd flow valve (63), second flow valve (62) and the 3rd flow valve (63) are the electromagnetic valve that is electrically connected with microcomputer controller (50).
3. the pneumoperitoneum apparatus based on microcomputerized control according to claim 1, it is characterized in that: also be provided with second pressure transducer (42) on the pipeline between described decompressor (20) and the flow straightener (30), second pressure transducer (42) is staggered with the aperture position of first pressure transducer (41) on described pipeline, and described second pressure transducer (42) is electrically connected with microcomputer controller (50).
4. the pneumoperitoneum apparatus based on microcomputerized control according to claim 1, it is characterized in that: the port of export of described flow straightener (30) also is provided with the pressure-relief valve in parallel with pressure regulating device (70), and described pressure-relief valve (70) is electrically connected with microcomputer controller (50).
5. the pneumoperitoneum apparatus based on microcomputerized control according to claim 1, it is characterized in that: the same position place in described pneumoperitoneum apparatus exit is provided with two identical pressure transducers (81,82), and two pressure transducers (81,82) all are electrically connected with microcomputer controller (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201878357U CN201500324U (en) | 2009-09-30 | 2009-09-30 | Pneumoperitoneum apparatus based on microcomputer control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201878357U CN201500324U (en) | 2009-09-30 | 2009-09-30 | Pneumoperitoneum apparatus based on microcomputer control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201500324U true CN201500324U (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201878357U Expired - Fee Related CN201500324U (en) | 2009-09-30 | 2009-09-30 | Pneumoperitoneum apparatus based on microcomputer control |
Country Status (1)
| Country | Link |
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| CN (1) | CN201500324U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266613A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Airway control device for medical breathing apparatus |
| CN104502039A (en) * | 2015-01-08 | 2015-04-08 | 重庆三美仪表有限责任公司 | Gas tightness detecting method for fuel gas meter |
| CN108324382A (en) * | 2018-01-12 | 2018-07-27 | 苏州贝诺医疗器械有限公司 | The identical strength test equipment of stapler |
| CN114007683A (en) * | 2019-07-16 | 2022-02-01 | 深圳迈瑞生物医疗电子股份有限公司 | Pneumoperitoneum machine and inflation control method thereof |
| CN114601510A (en) * | 2022-03-04 | 2022-06-10 | 江苏人先医疗科技有限公司 | Gas control method for carbon dioxide pneumoperitoneum machine and carbon dioxide pneumoperitoneum machine |
-
2009
- 2009-09-30 CN CN2009201878357U patent/CN201500324U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102266613A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗系统股份有限公司 | Airway control device for medical breathing apparatus |
| CN102266613B (en) * | 2010-12-31 | 2014-02-26 | 北京谊安医疗系统股份有限公司 | Airway control device for medical breathing apparatus |
| CN104502039A (en) * | 2015-01-08 | 2015-04-08 | 重庆三美仪表有限责任公司 | Gas tightness detecting method for fuel gas meter |
| CN108324382A (en) * | 2018-01-12 | 2018-07-27 | 苏州贝诺医疗器械有限公司 | The identical strength test equipment of stapler |
| CN114007683A (en) * | 2019-07-16 | 2022-02-01 | 深圳迈瑞生物医疗电子股份有限公司 | Pneumoperitoneum machine and inflation control method thereof |
| CN114601510A (en) * | 2022-03-04 | 2022-06-10 | 江苏人先医疗科技有限公司 | Gas control method for carbon dioxide pneumoperitoneum machine and carbon dioxide pneumoperitoneum machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20170930 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |