CN105011973A - Constant-temperature variable-flow gas insufflator - Google Patents
Constant-temperature variable-flow gas insufflator Download PDFInfo
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- CN105011973A CN105011973A CN201510234658.3A CN201510234658A CN105011973A CN 105011973 A CN105011973 A CN 105011973A CN 201510234658 A CN201510234658 A CN 201510234658A CN 105011973 A CN105011973 A CN 105011973A
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Abstract
The invention relates to a medical gas insufflators used for upheaving an abdominal cavity of a patient in order to provide operation space. Gas outputted by a gas source is subjected to secondary pressure reduction, filtered at a time, heated and discharged after secondary filtering operation. A control module is used for controlling operation of the overall insufflator. Two branch circuits including a gas circuit and a circuit are arranged in the interior of the equipment and used for exercising related control. Finally, accurate control over gas output is achieved so that clean and safe gas is conveyed to the abdominal cavity.The constant-temperature variable-flow gas insufflators can be utilized for stably conveying gas in a balanced manner and is capable of automatically adjusting output rate of gas based on variation in changes of the abdominal cavity and ensuring constant-temperature output of gas.
Description
Technical field
The present invention relates to field of medical device, especially relate to a kind of medical insufflator.
Background technology
When doing laparoscopic surgery, usually adopt CO
2gas is inflated abdominal cavity, abdominal cavity is heaved thus forms effective operative space.General product is all the start-stop controlling gas by the mode of electronic valve, so easy generation pulsating pressure, easily produces the internal viscera of patient and Wicresoft's mouth and is forced to pressure.In addition, Medical C O
2be the form storage of dry ice, after gasification, gas temperature is lower, can have a certain impact to the health of patient with operation.So pneumoperitoneum apparatus majority can arrange heating function, but general pneumoperitoneum apparatus employing is electric furnace heating wire mode of heating, makes gas temperature fluctuation range more wayward.
Summary of the invention
The object of the present invention is to provide one that patient abdominal cavity can be made to swell stable, and the equipment that the gas temperature in input abdominal cavity can be made constant.This pneumoperitoneum apparatus comprises housing, and described enclosure interior has between accommodating area, is provided with in this accommodating area: a power module, and described power module is connected with the power supply outside housing by wire.One control module, described control module is electrically connected with power module.At least one air relief valve, the inlet end of described air relief valve is connected by the source of the gas of pipeline with described hull outside.At least one pressure switch, the inlet end of described pressure switch is connected with the outlet side of described air relief valve, and is electrically connected between described pressure switch with described control module.At least one pressure regulator valve, the inlet end of described pressure regulator valve is connected with the outlet side of described pressure switch.At least one electromagnetic valve, the inlet end of described electromagnetic valve is connected with the outlet side of described pressure regulator valve, is electrically connected between described electromagnetic valve with described control module.At least one ratio adjusting valve, described ratio adjusting valve is for regulating airline pressure, and the inlet end of described ratio adjusting valve is connected with the outlet side of described electromagnetic valve, is electrically connected between described ratio adjusting valve with described control module.At least one heater, described heater is by the gas heating of its inner flow passage, described heater is positioned at the downstream gas circuit of described ratio adjusting valve, and the outlet side of described heater is connected with the air vent on housing, is electrically connected between described heater with described control module.At least one pressure transducer one, described pressure transducer one by the gas communication in pipeline and described heater, and is electrically connected between described pressure transducer one with described control module.One guidance panel, described guidance panel is electrically connected with between described control module, power module.
Further be improved to, described ratio adjusting valve comprises a valve body, described valve body is provided with a proportioning valve and two switch valves; Be provided with gas circuit in described valve body, described proportioning valve is positioned at the inlet end of valve body gas circuit, and in described valve body, the outlet side of gas circuit is connected with the inlet end of heater, between the inlet end and outlet side of described gas circuit, be provided with switch valve one; Gas circuit between described switch valve one and gas circuit outlet side is communicated with branch air path, and described branch air path is provided with the switch valve two for reducing airline pressure in valve body; Described branch air path is connected with pressure transducer two.
Further be improved to, described heater is positive temperature coefficient heater.
Further be improved to, the gas circuit between described pressure regulator valve and described electromagnetic valve is provided with filter one.
Further be improved to, outside the holistic housing being positioned at pneumoperitoneum apparatus of described filter.
Further be improved to, in described air vent, be provided with filter two.
Further be improved to, described guidance panel be at least provided with power switch button, flow set button, pressure setting button, starting/stopping button, heating button, digital display screen and air vent.
Further be improved to, in described accommodating area, be provided with the fan of adjustment system temperature.
Further be improved to, described pressure transducer one and pressure transducer two are equipped with two.
Further be improved to, the outlet side of described ratio adjusting valve branch air path is connected with acoustic filter.
Such tool has the following advantages: one, ensure that conveying gas is balanced, can ensure constant magnitude between the field of operation that formed, strengthen the safety of operation; Two, according to the change of the cavity pressure of patient's protuberance, automatically can adjust flow of supplying gas, realize precisely controlling; Three, the gas temperature transporting to patient abdominal cavity is constant and consistent with body temperature, and the sudden change of gas temperature does not occur because of the sudden change of displacement; Four, the quietness run of equipment is good, for operation technique provides a good squelch; Five, processing safety and convenience high, be provided with double monitoring device, the overall security of equipment can be ensured.In addition, be provided with comparatively hommization and intelligentized operation interface, make to be easy to hand operated.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of invention constant temperature variable-flow pneumoperitoneum machine;
Fig. 2 is the working state structure schematic diagram of ratio adjusting valve in Fig. 1;
Fig. 3 is the structural representation of ratio adjusting valve in gas circuit overpressure protection pressure release state;
Fig. 4 is the panel schematic diagram of the pneumoperitoneum apparatus in Fig. 1.
Description of reference numerals:
10-housing, it is interval that 12-holds matter, 14-guidance panel, 142-power switch button, 143-digital display screen, 144-flow set button, 145-heats button, 146-pressure setting button, 147-start/stop button, 148-air vent, 149-filter two, 20-power module, 21-control module, 22-air relief valve, 23-pressure switch, 24-pressure regulator valve, 25-electromagnetic valve, 26-filter one, 27-ratio adjusting valve, 271-acoustic filter, 272-valve body, 273-gas circuit, 274-proportioning valve, 275-branch air path, 276-switch valve one, 278-switch valve two, 279-pressure transducer two, 28-heater, 29-pressure transducer one, 30-fan.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect of the mutual alignment between the shape of each component involved in the specific embodiment of the present invention, structure, each several part and annexation, each several part and operation principle etc. are described in further detail.
As shown in Figure 1, this pneumoperitoneum apparatus is square piece, and the housing 10 of this pneumoperitoneum apparatus is made up of metal shell, for shield electromagnetic interference.This housing 10 inside is formed between accommodating area 12 carrys out setting parts.Guidance panel 14 is provided with for manual operation in the side of housing 10.
The operational system be made up of gas circuit and circuit is provided with in 12 between accommodating area.In interval, be provided with power module 20, this power module 20 is connected with the power supply outside housing 10 by wire.Also be provided with control module 21, this control module 21 is electrically connected with power module 20, for controlling the operation of whole system.
The side of housing 10 is provided with air inlet, and this air inlet is connected with the source of the gas be positioned at outside pneumoperitoneum apparatus by pipeline.Gas to enter between accommodating area after the gas circuit in 12 from air inlet and first enters air relief valve 22, thus realizes carrying out a blood pressure lowering to the gas in pipeline.Gas after blood pressure lowering enters pressure switch 23 again, and the inlet end of this pressure switch 23 is connected with the outlet side of described air relief valve 22, and is electrically connected between pressure switch 23 with described control module 21.Pressure switch 23 can have one and judge accurately to the pressure in gas circuit, when source of the gas air pressure is not enough, the alarm signal that pressure switch 23 meeting action response is correlated with is to control module 21.The pressure threshold of pressure switch 23 action is in the present embodiment set as 0.3MPa, is mainly used in carrying out pressure monitoring to gas circuit.
After pressure switch 23, connect a pressure regulator valve 24, the inlet end of this pressure regulator valve 24 is connected with the outlet side of the pressure switch 23 before it.Make airline pressure be lowered to the pressure limit of final gas circuit setting by the second time decompression of pressure regulator valve 24, be set as 0.07MPa by the airline pressure after pressure regulator valve in the present embodiment.
The downstream gas circuit of pressure regulator valve is provided with a pneumatic filter 1, has filtered for the first time from the gas of source of the gas out and after second depressurized, gas degree of purity has been promoted so that detection control below.For the ease of changing at any time the pneumatic filter 1 after use a period of time, pneumatic filter 1 is arranged on outside housing 10.
Be connected with an electromagnetic valve 25 in the downstream gas circuit of filter 1, the inlet end of this electromagnetic valve 25 is connected with the outlet side of filter 1, is electrically connected between electromagnetic valve 25 with control module 21.Electromagnetic valve 25 mainly plays the effect of electric-controlled switch, and the entirety for gas circuit turns on and off.By the start/stop button 147 on the guidance panel 14 outside housing 10, whole gas circuit is controlled in the present embodiment.
As shown in Figure 1, 2, 3, the downstream gas circuit of electromagnetic valve 25 is connected with a ratio adjusting valve 27, this ratio adjusting valve 27 is provided with the pressure relieving end that can reduce airline pressure, and the inlet end of ratio adjusting valve 27 is connected with the outlet side of electromagnetic valve 25.Be electrically connected between ratio adjusting valve 27 with control module 21.Ratio adjusting valve 27 comprises a valve body 272, and valve body 272 is provided with a proportioning valve 274 and two switch valves.Be provided with gas circuit 273 in valve body 272, wherein proportioning valve 272 is positioned at the inlet end of valve body gas circuit 273, and in valve body 272, the outlet side of gas circuit 273 is connected with the inlet end of the heater 28 being positioned at electromagnetic valve 25 gas circuit downstream.Switch valve 1 is provided with between the inlet end and outlet side of gas circuit 273, gas circuit 273 between switch valve 1 and gas circuit outlet side is provided with branch air path 275, and this branch air path 275 is provided with the switch valve 2 278 for reducing gas circuit 273 pressure in valve body 272; Branch air path 275 is connected with pressure transducer 2 279, is electrically connected between pressure transducer 2 279 with control module 21.When in gas circuit 273, gas pressure runs within normal range, proportioning valve 274 and switch valve 1 are opened, and switch valve 2 278 cuts out.Gas flows into from the inlet end of gas circuit 273, flows out from the outlet side of gas circuit 273; When in gas circuit 273, gas pressure is excessive, proportioning valve 274 and switch valve 1 are closed, and switch valve 2 278 is opened, and gas flows into from the outlet side of gas circuit 273, flow out through the outlet side of branch air path 275, thus the airline pressure realized after comparative example control valve 27 regulates.The outlet side of branch air path 275 is used for pressure release and is connected with acoustic filter 271.
The downstream gas circuit of ratio adjusting valve 27 is provided with a heater 28, and this heater 28 is positive temperature coefficient (PTC:Positive Temperature Coefficient) heater.It is made up of zinc-plated outer plate, rustless steel corrugated spring leaf, zinc-plated clip plate, monolayer aluminum radiating piece, PTC fever tablet, Double-layer aluminum radiating piece, nickel-clad copper electrode terminal and PPS high temperature plastic cement electrode sheath.This product, owing to adopting corrugated fin, improves its rate of heat dissipation, and combines gluing and mechanical advantage, and fully taking into account PTC heat generating member various heat, electrical phenomena operationally, its adhesion is strong, heat conduction, excellent radiation performance, efficiency is high, safe and reliable.Ptc heater has the advantage that thermal resistance is little, heat exchange efficiency is high, is the electric heater of a kind of automatic constant-temperature, power saving.When ptc heater can not get fully dispelling the heat because of fault, its power can sharply decline automatically, and now the surface temperature of heater maintains uniform temperature, thus unlikely generation is as surface " rubescent " phenomenon of electric heating tubing heater.Effectively can ensure that the gas temperature through ptc heater is constant.
The inlet end of this heater 28 is connected with the outlet side of ratio adjusting valve 27, and the outlet side of heater 28 is connected with the air vent 148 on housing 10, is electrically connected between heater 28 with control module 21.Consistent with setting value with pressure in order to ensure the gas flow entering heater 28, heater 28 is connected with a pressure transducer 1, pressure transducer 1 by the gas communication in pipeline and heater 28, and is electrically connected between pressure transducer 1 with described control module 21.Can ensure like this through heating gas pressure setting safety range within.
The gas circuit outlet side of heater 28 is connected with the air vent 148 be positioned on housing 10, in order to avoid gas is polluted in the gas circuit after filter 1, the inside of air vent 148 is provided with filter 2 149.The gas that can ensure finally to input patient abdominal cavity is like this constant temperature, clean, safe gas.
As shown in Figure 4, be provided with a guidance panel 14 on the housing 10, this guidance panel 14 is electrically connected with between control module 21, power module 20.Guidance panel 14 is provided with power switch button 142, flow set button 144, pressure setting button 146, start/stop button 147, heating button 145, digital display screen 143, air vent 148 etc. for control appliance overall operation.
Certainly, in order to the components and parts such as control module 21, power module 20, heater 28 can stable operation, between accommodating area, be provided with the fan 30 for regulating temperature in 12.
Claims (10)
1. a constant temperature variable-flow pneumoperitoneum machine, is characterized in that, described pneumoperitoneum apparatus comprises housing (10), and described housing (10) inside has (12) between accommodating area, is provided with between this accommodating area in (12):
One power module (20), described power module (20) is connected with housing (10) power supply outward by wire;
One control module (21), described control module (21) is electrically connected with power module (20);
At least one air relief valve (22), the inlet end of described air relief valve (22) is connected by the source of the gas that pipeline is outside with described housing (10);
At least one pressure switch (23), the inlet end of described pressure switch (23) is connected with the outlet side of described air relief valve (22), and is electrically connected between described pressure switch (23) with described control module (21);
At least one pressure regulator valve (24), the inlet end of described pressure regulator valve (24) is connected with the outlet side of described pressure switch (23);
At least one electromagnetic valve (25), the inlet end of described electromagnetic valve (25) is connected with the outlet side of described pressure regulator valve (24), is electrically connected between described electromagnetic valve (25) with described control module (21);
At least one ratio adjusting valve (27), described ratio adjusting valve (27) is for regulating the pressure in gas circuit, and the inlet end of described ratio adjusting valve (27) is connected with the outlet side of described electromagnetic valve (25), be electrically connected between described ratio adjusting valve (27) with described control module (21);
At least one heater (28), described heater (28) can make the gas heating by its inner flow passage, described heater (28) is positioned at the downstream gas circuit of described ratio adjusting valve (27), the outlet side of described heater (28) is connected with the air vent (148) on housing (10), is electrically connected between described heater (28) with described control module (21);
At least one pressure transducer one (29), described pressure transducer one (29) by the gas communication in pipeline and described heater (28), and is electrically connected between described pressure transducer one (29) with described control module (21);
One guidance panel (14), described guidance panel (14) is electrically connected between (20) with described control module (21), power module.
2. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 1, is characterized in that: described ratio adjusting valve (27) comprises a valve body (272), described valve body (272) is provided with a proportioning valve (274) and two switch valves; Gas circuit (273) is provided with in described valve body (272), described proportioning valve (274) is positioned at the inlet end of valve body gas circuit, the outlet side of described valve body (272) interior gas circuit (273) is connected with the inlet end of heater (28), between the inlet end and outlet side of described gas circuit (273), be provided with switch valve one (276); Gas circuit between described switch valve one (276) and gas circuit outlet side is communicated with branch air path (275), and described branch air path (275) is provided with the switch valve two (278) for reducing valve body (272) interior airline pressure; Described branch air path (278) is connected with pressure transducer two (279).
3. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 1 or 2, is characterized in that: described heater (28) is positive temperature coefficient heater.
4. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 3, is characterized in that: the gas circuit between described pressure regulator valve (24) and described electromagnetic valve (25) is provided with filter one (26).
5. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 4, is characterized in that: described filter one (26) is positioned at outside the housing (10) of pneumoperitoneum apparatus.
6. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 5, is characterized in that: be provided with filter two (149) in described air vent (148).
7. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 6, is characterized in that: described guidance panel (14) is at least provided with power switch button (142), flow set button (144), pressure setting button (146), start/stop button (147), heating button (145), digital display screen (143) and air vent (148).
8. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 7, is characterized in that: be provided with the fan (30) for adjustment system temperature between described accommodating area in (12).
9. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 8, is characterized in that: described pressure transducer one (29) and pressure transducer two (279) are equipped with two.
10. constant temperature variable-flow pneumoperitoneum machine as claimed in claim 9, is characterized in that: the outlet side of described ratio adjusting valve (27) top set gas circuit is connected with acoustic filter (271).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510234658.3A CN105011973B (en) | 2015-05-11 | 2015-05-11 | A kind of constant temperature variable-flow pneumoperitoneum machine |
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| CN201510234658.3A CN105011973B (en) | 2015-05-11 | 2015-05-11 | A kind of constant temperature variable-flow pneumoperitoneum machine |
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| CN105011973A true CN105011973A (en) | 2015-11-04 |
| CN105011973B CN105011973B (en) | 2018-04-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108652688A (en) * | 2018-07-30 | 2018-10-16 | 鹰利视医疗科技有限公司 | A kind of pneumoperitoneum apparatus and its voltage stabilizing control method with voltage stabilizing function |
| CN108685607A (en) * | 2018-06-15 | 2018-10-23 | 首都医科大学附属北京世纪坛医院 | Oncological Surgery Special constant temperature pneumoperitoneum system |
| CN111685831A (en) * | 2020-06-15 | 2020-09-22 | 南京图格医疗科技有限公司 | Constant-pressure variable-flow pneumoperitoneum machine |
| 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 |
| CN114733018A (en) * | 2022-05-24 | 2022-07-12 | 新光维医疗科技(苏州)股份有限公司 | Pneumoperitoneum device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480675A (en) * | 2003-07-17 | 2004-03-10 | 浙江春晖智能控制股份有限公司 | Gas-fired proportional controller for supplying heat safely |
| CN2927982Y (en) * | 2006-06-30 | 2007-08-01 | 钟李宽 | Full automatic pneumoperitoneum machine |
| CN101370420A (en) * | 2006-01-13 | 2009-02-18 | 奥林巴斯医疗株式会社 | Overtube for endoscope |
| CN201572424U (en) * | 2009-12-17 | 2010-09-08 | 陈胜华 | Carbon dioxide pneumoperitoneum device used for laparoscopic operation |
| US20120016293A1 (en) * | 2010-07-14 | 2012-01-19 | Fujifilm Corporation | Endoscope gas delivery system |
| CN202302101U (en) * | 2011-09-13 | 2012-07-04 | 四川省雅安市航仪电器科技开发有限公司 | Proportioning valve with dual switching valves |
| CN102688694A (en) * | 2012-06-01 | 2012-09-26 | 河南方周瓷业有限公司 | On-line back washing process system of porous ceramic film |
| JP2012205748A (en) * | 2011-03-29 | 2012-10-25 | Olympus Medical Systems Corp | Pneumoperitoneum device |
| CN203395279U (en) * | 2013-07-24 | 2014-01-15 | 四川省雅安市航仪电器科技开发有限公司 | Small multi-channel combined type gas proportional valve |
| CN204083284U (en) * | 2014-09-23 | 2015-01-07 | 四川省雅安市航仪电器科技开发有限公司 | A kind of switch valve dust cover device of gas ratio valve |
| CN204655015U (en) * | 2015-05-11 | 2015-09-23 | 桐庐精锐医疗器械有限公司 | A kind of constant temperature variable-flow pneumoperitoneum machine |
-
2015
- 2015-05-11 CN CN201510234658.3A patent/CN105011973B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1480675A (en) * | 2003-07-17 | 2004-03-10 | 浙江春晖智能控制股份有限公司 | Gas-fired proportional controller for supplying heat safely |
| CN101370420A (en) * | 2006-01-13 | 2009-02-18 | 奥林巴斯医疗株式会社 | Overtube for endoscope |
| CN2927982Y (en) * | 2006-06-30 | 2007-08-01 | 钟李宽 | Full automatic pneumoperitoneum machine |
| CN201572424U (en) * | 2009-12-17 | 2010-09-08 | 陈胜华 | Carbon dioxide pneumoperitoneum device used for laparoscopic operation |
| US20120016293A1 (en) * | 2010-07-14 | 2012-01-19 | Fujifilm Corporation | Endoscope gas delivery system |
| JP2012205748A (en) * | 2011-03-29 | 2012-10-25 | Olympus Medical Systems Corp | Pneumoperitoneum device |
| CN202302101U (en) * | 2011-09-13 | 2012-07-04 | 四川省雅安市航仪电器科技开发有限公司 | Proportioning valve with dual switching valves |
| CN102688694A (en) * | 2012-06-01 | 2012-09-26 | 河南方周瓷业有限公司 | On-line back washing process system of porous ceramic film |
| CN203395279U (en) * | 2013-07-24 | 2014-01-15 | 四川省雅安市航仪电器科技开发有限公司 | Small multi-channel combined type gas proportional valve |
| CN204083284U (en) * | 2014-09-23 | 2015-01-07 | 四川省雅安市航仪电器科技开发有限公司 | A kind of switch valve dust cover device of gas ratio valve |
| CN204655015U (en) * | 2015-05-11 | 2015-09-23 | 桐庐精锐医疗器械有限公司 | A kind of constant temperature variable-flow pneumoperitoneum machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108685607A (en) * | 2018-06-15 | 2018-10-23 | 首都医科大学附属北京世纪坛医院 | Oncological Surgery Special constant temperature pneumoperitoneum system |
| CN108685607B (en) * | 2018-06-15 | 2024-02-02 | 首都医科大学附属北京世纪坛医院 | Special constant temperature pneumoperitoneum system of tumour surgery |
| CN108652688A (en) * | 2018-07-30 | 2018-10-16 | 鹰利视医疗科技有限公司 | A kind of pneumoperitoneum apparatus and its voltage stabilizing control method with voltage stabilizing function |
| CN108652688B (en) * | 2018-07-30 | 2023-09-26 | 鹰利视医疗科技有限公司 | Pneumoperitoneum machine with voltage stabilizing function and voltage stabilizing control method thereof |
| CN111685831A (en) * | 2020-06-15 | 2020-09-22 | 南京图格医疗科技有限公司 | Constant-pressure variable-flow pneumoperitoneum machine |
| WO2021254352A1 (en) * | 2020-06-15 | 2021-12-23 | 南京图格医疗科技有限公司 | Constant-pressure variable-flow insufflator |
| 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 |
| CN114733018A (en) * | 2022-05-24 | 2022-07-12 | 新光维医疗科技(苏州)股份有限公司 | Pneumoperitoneum device |
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