CN208838037U - A kind of pneumoperitoneum apparatus - Google Patents
A kind of pneumoperitoneum apparatus Download PDFInfo
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- CN208838037U CN208838037U CN201820392494.6U CN201820392494U CN208838037U CN 208838037 U CN208838037 U CN 208838037U CN 201820392494 U CN201820392494 U CN 201820392494U CN 208838037 U CN208838037 U CN 208838037U
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Abstract
The utility model discloses a kind of pneumoperitoneum apparatus, including pressure reducing valve, flow proportional control valve, pressure sensor, first filter, aspiration pump, air accumulator, electromagnetic switch valve and master controller, the inlet end of pressure reducing valve is connect with gas source input port, the outlet side of pressure reducing valve is connect with the inlet end of flow proportional control valve, the outlet side of flow proportional control valve and the gas delivery port of pneumoperitoneum apparatus connect, and pressure sensor is in the gas circuit between flow proportional control valve and the gas delivery port of pneumoperitoneum apparatus；The inlet end of first filter and the bleeding point of pneumoperitoneum apparatus connect, the outlet side of first filter and the inlet end of aspiration pump connect, the outlet side of aspiration pump and the inlet end of air accumulator connect, the outlet side of air accumulator and the inlet end of electromagnetic switch valve connect, and the outlet side of electromagnetic switch valve is connected to flow proportional control valve outlet side.Pneumoperitoneum apparatus provided by the utility model can reduce operation cost, maintain good surgical field of view, guarantee that operation is gone on smoothly.
Description
Technical field
The utility model embodiment is related to medical instrument more particularly to a kind of pneumoperitoneum apparatus.
Background technique
Laparoscopic surgery is the Minimally Invasive Surgery that a new development is got up, and has surgical wound small, low excellent to patient's injury
Point.It needs to establish operative space intraperitoneal when laparoscopic surgery, this is just needed to Peritoneal Infusions gas, stomach wall lift before making
Height, in order to have the good visual field and enough instrumentation spaces.Pneumoperitoneum apparatus is medical instrument indispensable in laparoscopic surgery
One of, it is used for CO2Gas input abdominal cavity of patients simultaneously maintains certain pressure, provides the good visual field and enough for operator doctor
Big operating space.
Traditional pneumoperitoneum apparatus is directly by CO2Gas is passed through abdominal cavity, does not recycle to gas, and it is at high cost also right not only to perform the operation
Surgical environments produce pollution.In addition when being performed the operation using the electric knife that there is high smog to generate, it will lead to surgical field of view not
Clearly, so needing constantly to carry out fume absorbent, and pneumoperitoneum apparatus needs to be replenished in time the CO being pumped in abdominal cavity2, lead to CO2Make
Dosage rises, and the CO extracted out2Surgical environments are caused with certain pollution.Two are needed to constantly change for a major surgery
Carbonoxide gas cylinder, surgical inefficiency, cost increase of performing the operation.
Utility model content
The utility model provides a kind of pneumoperitoneum apparatus, and existing pneumoperitoneum apparatus is used when solving laparoscopic surgery, causes to perform the operation
Problem at high cost, surgical field of view is poor.
The utility model embodiment provides a kind of pneumoperitoneum apparatus, comprising:
Pressure reducing valve, flow proportional control valve, pressure sensor, first filter, aspiration pump, air accumulator, electromagnetic switch valve
And master controller；
Wherein, the inlet end of pressure reducing valve is connect with the gas source input port for inputting source gas, the outlet side of pressure reducing valve
It is connect with the inlet end of flow proportional control valve, outlet side and the pneumoperitoneum apparatus of flow proportional control valve are used for defeated to the abdominal cavity of patient
The gas delivery port connection of source gas out, pipeline of the pressure sensor between flow proportional control valve and gas delivery port
On；
The inlet end and pneumoperitoneum apparatus of first filter are used to connect from the bleeding point of source gas of the abdominal cavity extraction comprising smog
It connecing, the outlet side of first filter and the inlet end of aspiration pump connect, and the outlet side of aspiration pump and the inlet end of air accumulator connect,
Air accumulator is used to cache the source gas of aspiration pump extraction, and the outlet side of air accumulator and the inlet end of electromagnetic switch valve connect, electricity
The outlet side of magnetic switch valve is connected between flow proportional control valve outlet side and gas delivery port the connectivity points on pipeline, uses
It exports in by the source gas in air accumulator to gas delivery port；
Master controller is electrically connected with flow proportional control valve, electromagnetic switch valve, pressure sensor and aspiration pump.
Optionally, pressure sensor includes first pressure sensor and second pressure sensor, for monitoring abdominal cavity simultaneously
Internal real-time pressure.
Optionally, first pressure sensor is sensor with data readout pressure sensor, and second pressure sensor is simulation output
Type pressure sensor.
Optionally, pressure reducing valve includes the first pressure reducing valve and the second pressure reducing valve, and the inlet end and gas source of the first pressure reducing valve input
Mouth connection, the outlet side of the first pressure reducing valve are connect with the inlet end of the second pressure reducing valve, the outlet side of the second pressure reducing valve and flow-rate ratio
The inlet end connection of example control valve；
First pressure reducing valve is used to for source gas being decompressed to 3.5bar, and the second pressure reducing valve is for source gas to be decompressed to
0.8~1.4bar.
Optionally, which further includes the first safety being connected between the second pressure reducing valve and flow proportional control valve
Valve, the pressure security point of the first safety valve are 1.0~1.6bar.
Optionally, which further includes the second safety valve being connected between connectivity points and gas delivery port, the second peace
The pressure security point of full valve is 18~20mmHg.
Optionally, which further includes the second filter being connected between the second safety valve and gas delivery port, and
The third filter being connected between gas source input port and pressure reducing valve；Pressure sensor is set to the second filter and gas output
On pipeline between mouthful.
Optionally, which further includes the exhaust on the pipeline being set between the second filter and gas delivery port
It manages, is provided with electronic security(ELSEC) valve on exhaust pipe, be used on and off exhaust pipe, electronic security(ELSEC) valve is electrically connected with master controller.
Optionally, which further includes the first flow sensor being connected between connectivity points and the second safety valve, and
The second flow sensor being connected between first filter and aspiration pump, first flow sensor and second flow sensor point
It is not electrically connected with master controller；Connectivity points are between flow proportional control valve and first flow sensor.
Optionally, which further includes first check-valve, second check-valve and third check-valves；
The inlet end of first check-valve is connect with the outlet side of flow proportional control valve, the outlet side of first check-valve and the
The inlet end of one flow sensor connects；The inlet end of second check-valve and the outlet side of electromagnetic switch valve connect, the second non-return
The outlet side of valve is connect with the inlet end of first flow sensor；The inlet end of third check-valves is connect with bleeding point, and third is stopped
The inlet end of the outlet side and first filter of returning valve connects.
Optionally, the pneumoperitoneum apparatus further include with the tank connected third pressure sensor of gas storage, for detecting in air accumulator
Air pressure, third pressure sensor are electrically connected with master controller.
Pneumoperitoneum apparatus provided by the utility model is extracted out intraperitoneal gas by aspiration pump, storage after filtering to storage
It in gas tank, and is finally back in abdominal cavity, realizes recycling for gas, reduce operation cost；The cigarette that electric knife is generated simultaneously
Mist is extracted out and is filtered in time with gas, and intraperitoneal good surgical field of view is maintained, and guarantees that operation is gone on smoothly；By
Circulating air road setting air accumulator, guarantees the stability of circulation gas circuit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pneumoperitoneum apparatus provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the control system of pneumoperitoneum apparatus provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is the structural schematic diagram of pneumoperitoneum apparatus provided by the embodiment of the utility model, and Fig. 2 is that the utility model embodiment mentions
The structural schematic diagram of the control system of the pneumoperitoneum apparatus of confession.With reference to Fig. 1 and Fig. 2, which includes: pressure reducing valve 110, flow proportional
Control valve 120, pressure sensor 130, first filter 201, aspiration pump 202, air accumulator 203, electromagnetic switch valve 204 and master control
Device 300 processed.
Wherein, the inlet end of pressure reducing valve 110 is connect with the gas source input port for inputting source gas, pressure reducing valve 110
Outlet side is connect with the inlet end of flow proportional control valve 120, the outlet side of flow proportional control valve 120 and pneumoperitoneum apparatus be used for
The gas delivery port connection of the abdominal cavity output source gas of patient, it is gentle that pressure sensor 130 is located at flow proportional control valve 120
On pipeline between body delivery outlet.Wherein, gas source input port is connect with gas source, gas used when performing the operation for inputting to pneumoperitoneum apparatus
Body (such as CO2).Pressure reducing valve 110 is used to avoid hypertonia from influencing other gas decompression entered in pneumoperitoneum apparatus pipeline
The performance of part (such as flow proportional control valve), or even damage.Certainly, if gas has been subjected to before entering pneumoperitoneum apparatus pipeline
Reduced pressure treatment can also not have to this pressure reducing valve 110.Electric signal (the example that flow proportional control valve 120 is issued according to master controller 300
Such as current signal), control valve aperture, and then control the gas outflow amount of gas delivery port.Gas delivery port passes through pipeline
It is connected with veress needle, veress needle is inserted into abdominal cavity of patients, to intraperitoneal feeding gas.Pressure sensor 130 is suffered from for real-time monitoring
The intraperitoneal pressure of person, and the pressure information is transmitted into master controller 300.
The inlet end and pneumoperitoneum apparatus of first filter 201 are used for the bleeding point from source gas of the abdominal cavity extraction comprising smog
Connection, bleeding point are connect by pipeline with the veress needle for being inserted into abdominal cavity, outlet side and the aspiration pump 202 of first filter 201
Inlet end connection, the outlet side of aspiration pump 202 are connect with the inlet end of air accumulator 203, and air accumulator 203 is for caching aspiration pump
The source gas of 202 extractions, the outlet side of air accumulator 203 are connect with the inlet end of electromagnetic switch valve 204, electromagnetic switch valve 204
Outlet side be connected to the connectivity points between 120 outlet side of flow proportional control valve and gas delivery port on pipeline, for will
Source gas in air accumulator 203 is exported to gas delivery port, to form circulation gas circuit.Wherein, aspiration pump 202 is used for abdomen
The intracavitary gas comprising smog is extracted out by veress needle, and the smog that first filter 201 is used to filter out in gas is miscellaneous with other
Matter.Air accumulator 203 is used to cache the gas of aspiration pump extraction, ensure that the stability of circulation gas circuit.Electromagnetic switch valve 204 is used for
According to the electric signal that master controller 300 issues, control valve switching frequency controls the exhaust of air accumulator 203, and then controls and enter
The gas flow of gas delivery port.
Master controller 300 and flow proportional control valve 120, electromagnetic switch valve 204, pressure sensor 130 and aspiration pump 202
Electrical connection.
The working principle of the utility model is as follows:
For pneumoperitoneum apparatus when starting to work, gas source inputs gas to pneumoperitoneum apparatus through gas source entrance, and master controller 300 controls
Flow proportional control valve 120 is opened, and by the gas that pressure reducer 110 depressurizes, is controlled through flow proportional control valve 120, and pass through
Gas delivery port and veress needle enter abdominal cavity of patients.In the process, the gas in 130 real-time monitoring abdominal cavity of patients of pressure sensor
Pressure, and master controller 300 is fed back to, which is converted to electric signal and is sent to flow proportional control by master controller 300
Valve 120, flow proportional control valve 120 is according to the electric signal, control valve aperture, and then the gas for controlling gas delivery port is defeated
Outflow.When intraperitoneal air pressure reaches a certain preset value, master controller 300 control aspiration pump 202 open, intraperitoneal smog with
Gas is extracted together, and after the filtering of first filter 201, filtered gas passes through air accumulator 203 and normally opened electromagnetism
Switch valve 204, reenters in abdominal cavity through gas delivery port.Master controller 300 controls flow proportional control valve 120 and gradually closes
It closes, finally makes the air pressure range that intraperitoneal stable gas pressure is required in operation, realize circulation gas supply.In the process, pressure passes
The intraperitoneal air pressure of 130 real-time monitoring of sensor, and master controller 300 is fed back to, master controller 300 is converted to the pressure information
Electric signal is sent to flow proportional control valve 120, and flow proportional control valve 120 controls gas flow.
When circulating air routing causes intraperitoneal air pressure not reach the required gas of operation in reasons such as intraperitoneal gas leakages
Range is pressed, and when gas is insufficient to allow intraperitoneal air pressure to reach operation required air pressure range in air accumulator 203, master controller
300 control flow proportional control valves 120 are opened, and live gas supplement is carried out, until intraperitoneal air pressure reaches the required gas of operation
Press range.
When pressure sensor 130 detects that intraperitoneal air pressure is higher, master controller 300 controls electromagnetic switch valve 204 and closes
It closes, air accumulator 203 starts gas storage.Then the switching frequency that electromagnetic switch valve is controlled by master controller 300, controls air accumulator
203 gas outflow amount makes intraperitoneal stable gas pressure in the required range of operation.
Pneumoperitoneum apparatus provided by the utility model is extracted out intraperitoneal gas by aspiration pump, storage after filtering to storage
It in gas tank, and is finally back in abdominal cavity, realizes recycling for gas, reduce operation cost；The cigarette that electric knife is generated simultaneously
Mist is extracted out and is filtered in time with gas, and intraperitoneal good surgical field of view is maintained, and guarantees that operation is gone on smoothly；By
Circulating air road setting air accumulator, guarantees the stability of circulation gas circuit.
Optionally, pressure sensor 130 includes first pressure sensor 131 and second pressure sensor 132, for simultaneously
Monitor abdominal cavity real-time pressure.Master controller 300 is capable of the output signal of two pressure sensors of real-time tracing, there are two
The measured value of pressure sensor is consistent or in margin of tolerance when thinks that pressure measurement is normal.Illustratively, first pressure senses
Device 131 can be sensor with data readout pressure sensor, and second pressure sensor 132 can be simulation output type pressure sensor.
Optionally, pressure reducing valve 110 includes the first pressure reducing valve 111 and the second pressure reducing valve 112, the air inlet of the first pressure reducing valve 111
End is connect with gas source input port, and the outlet side of the first pressure reducing valve 111 is connect with the inlet end of the second pressure reducing valve 112, the second decompression
The outlet side of valve 112 is connect with the inlet end of flow proportional control valve 120.First pressure reducing valve 111 is for depressurizing source gas
To 3.5bar, the second pressure reducing valve 112 is used to source gas being decompressed to 0.8~1.4bar.By way of pressurizeing step by step, by gas
0.8~1.4bar of air pressure drop of source gas avoids hypertonia from influencing the performance of other component (such as flow proportional control valve), very
To damaging, while step by step, pressure reducing mode guarantees the stability of system.
Optionally, which further includes first be connected between the second pressure reducing valve 112 and flow proportional control valve 120
Safety valve 141, the pressure security point of the first safety valve 141 are 1.0~1.6bar.This first safety valve 141 can be mechanically
Valve, pressure security point are 1.0~1.6bar, and when air pressure is more than the pressure security point at this on gas pipeline, this first
Safety valve 141 washes pressure release open by gas, and the air pressure in gas pipeline is made to be down to the pressure security point of the first safety valve 141 or less.
Optionally, which further includes the second safety valve 142 being connected between connectivity points and gas delivery port, and second
The pressure security point of safety valve 142 is 18~20mmHg.When the pressure security point of second safety valve 142 is laparoscopic surgery,
The safe atmospheric pressure value of human abdominal cavity.Second safety valve 142 can be mechanical valve, when air pressure is more than to be somebody's turn to do at this on gas pipeline
When pressure security point, which washes pressure release open by gas, avoids intraperitoneal air pressure excessively high, causes safety accident.
Optionally, which further includes the second filter being connected between the second safety valve 142 and gas delivery port
151, and the third filter 152 being connected between gas source input port and pressure reducing valve 110；Pressure sensor 130 is set to second
On pipeline between filter 151 and gas delivery port.Wherein the second filter 151 is used for in entrance pneumoperitoneum apparatus pipeline
Gas is filtered, and third filter 152 is used for before gas enters abdominal cavity of patients, is further filtered to gas, is protected
It demonstrate,proves intraperitoneal clean pollution-free.
Optionally, which further includes the row on the pipeline being set between the second filter 151 and gas delivery port
Tracheae is provided with electronic security(ELSEC) valve 143 on exhaust pipe, is used on and off exhaust pipe, electronic security(ELSEC) valve 143 and master controller
300 electrical connections.For different patients, when carrying out laparoscopic surgery, intraperitoneal required air pressure may be different, Ke Yigen
Air pressure range required by performing the operation according to actual conditions setting.In the course of surgery, if intra-abdominal pressure is more than gas required by the operation
Range is pressed, master controller 300 can control the closing of electromagnetic switch valve 204, and air accumulator 203 starts gas storage.Then pass through main control
Device 300 controls the switching frequency of electromagnetic switch valve, controls the gas outflow amount of air accumulator 203, intraperitoneal stable gas pressure is made to exist
In the required range of operation.In the case where air accumulator 203 has stored up full gas, master controller 300 can also control electronics
Safety valve 143 opens pressure release, makes intraperitoneal stable gas pressure in required air pressure range of performing the operation.
Optionally, which further includes the first flow sensor being connected between connectivity points and the second safety valve 142
160, and the second flow sensor 205 being connected between first filter 201 and aspiration pump 202, first flow sensor 160
It is electrically connected respectively with master controller 300 with second flow sensor 205；Connectivity points are located at flow proportional control valve 120 and first
Between flow sensor 160.First flow sensor 160 and second flow sensor 205 are used to monitor the gas in corresponding pipeline
Body flow.
Optionally, which further includes first check-valve 170, second check-valve 206 and third check-valves 207, non-return
Valve has the function of individual event conducting.
The inlet end of first check-valve 170 is connect with the outlet side of flow proportional control valve 120, first check-valve 170
Outlet side is connect with the inlet end of first flow sensor 160；The inlet end of second check-valve 206 and electromagnetic switch valve 204
Outlet side connection, the outlet side of second check-valve 206 is connect with the inlet end of first flow sensor 160；Third check-valves 207
Inlet end connect with bleeding point, the outlet side of third check-valves 207 is connect with the inlet end of first filter 201.First stops
Valve 170 is returned for preventing the gas backstreaming in intraperitoneal gas or circulation gas circuit to flow proportional control valve 120, second check-valve
206 gas for preventing gas source input port from entering is after flow proportional control valve 120, into circulation gas circuit, third check-valves
207 for preventing in the gas backstreaming to abdominal cavity of patients in circulation gas circuit.
Optionally, which further includes the third pressure sensor 208 connecting with air accumulator 203, for detecting gas storage
Air pressure in tank 203, third pressure sensor 208 are electrically connected with master controller 300.During recycling gas supply, third pressure
Air pressure in 208 real-time monitoring air accumulator 203 of force snesor, when monitoring that it is intraperitoneal that the air pressure in air accumulator 203 is insufficient to allow
When air pressure reaches operation required air pressure range, master controller 300 control flow proportional control valve 120 open to pneumoperitoneum circuit into
Row live gas supplement, until intraperitoneal air pressure reaches the required air pressure range of operation.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (11)
1. a kind of pneumoperitoneum apparatus characterized by comprising
Pressure reducing valve, flow proportional control valve, pressure sensor, first filter, aspiration pump, air accumulator, electromagnetic switch valve and master
Controller；
Wherein, the inlet end of the pressure reducing valve is connect with the gas source input port for inputting source gas, and the pressure reducing valve goes out
Gas end is connect with the inlet end of the flow proportional control valve, and the outlet side of the flow proportional control valve and the pneumoperitoneum apparatus are used
It is connected in the gas delivery port for exporting the source gas to the abdominal cavity of patient, the pressure sensor is located at the flow proportional
On pipeline between control valve and the gas delivery port；
The inlet end of the first filter and the pneumoperitoneum apparatus are used for from the gas source gas of the abdominal cavity extraction comprising smog
The bleeding point of body connects, and the outlet side of the first filter and the inlet end of aspiration pump connect, the outlet side of the aspiration pump
It is connect with the inlet end of air accumulator, the air accumulator is used to cache the source gas of the aspiration pump extraction, the gas storage
The outlet side of tank and the inlet end of electromagnetic switch valve connect, and the outlet side of the electromagnetic switch valve is connected to the flow proportional control
A connectivity points between valve outlet side processed and the gas delivery port on pipeline, for by the gas source gas in the air accumulator
Body is exported to the gas delivery port；
The master controller and the flow proportional control valve, the electromagnetic switch valve, the pressure sensor and the pumping
Pump electrical connection.
2. pneumoperitoneum apparatus according to claim 1, which is characterized in that the pressure sensor include first pressure sensor and
Second pressure sensor for monitoring the abdominal cavity real-time pressure simultaneously, and is mutually calibrated.
3. pneumoperitoneum apparatus according to claim 2, which is characterized in that the first pressure sensor is sensor with data readout pressure
Sensor, the second pressure sensor are simulation output type pressure sensor.
4. pneumoperitoneum apparatus according to claim 1, which is characterized in that the pressure reducing valve includes the first pressure reducing valve and the second decompression
Valve, the inlet end of first pressure reducing valve are connect with the gas source input port, the outlet side of first pressure reducing valve and described the
The inlet end of two pressure reducing valves connects, and the outlet side of second pressure reducing valve is connect with the inlet end of the flow proportional control valve；
First pressure reducing valve is used to for the source gas being decompressed to 3.5bar, and second pressure reducing valve is used for the gas source
Gas decompression is to 0.8~1.4bar.
5. pneumoperitoneum apparatus according to claim 4, which is characterized in that further include being connected to second pressure reducing valve and the stream
The first safety valve between proportional control valve is measured, the pressure security point of first safety valve is 1.0~1.6bar.
6. pneumoperitoneum apparatus according to claim 4, which is characterized in that further include being connected to the connectivity points and the gas is defeated
The second safety valve between outlet, the pressure security point of second safety valve are 18~20mmHg.
7. pneumoperitoneum apparatus according to claim 6, which is characterized in that further include being connected to second safety valve and the gas
The second filter between body delivery outlet, and the third filter being connected between the gas source input port and the pressure reducing valve；
The pressure sensor is set on the pipeline between second filter and the gas delivery port.
8. pneumoperitoneum apparatus according to claim 7, which is characterized in that further include being set to second filter and the gas
The exhaust pipe on pipeline between body delivery outlet is provided with electronic security(ELSEC) valve on the exhaust pipe, for described on and off
Exhaust pipe, the electronic security(ELSEC) valve are electrically connected with the master controller.
9. pneumoperitoneum apparatus according to claim 7, which is characterized in that further include being connected to the connectivity points and second peace
First flow sensor between full valve, and the second flow sensing being connected between the first filter and the aspiration pump
Device, the first flow sensor and the second flow sensor are electrically connected with the master controller respectively；The connectivity points
Between the flow proportional control valve and the first flow sensor.
10. pneumoperitoneum apparatus according to claim 9, which is characterized in that further include first check-valve, second check-valve and third
Check-valves；
The inlet end of the first check-valve is connect with the outlet side of the flow proportional control valve, and the first check-valve goes out
Gas end is connect with the inlet end of the first flow sensor；The inlet end of the second check-valve and the electromagnetic switch valve
Outlet side connection, the outlet side of the second check-valve is connect with the inlet end of the first flow sensor；The third is stopped
The inlet end for returning valve is connect with the bleeding point, and the outlet side of the third check-valves and the inlet end of the first filter connect
It connects.
11. pneumoperitoneum apparatus according to claim 10, which is characterized in that further include and the tank connected third pressure of the gas storage
Sensor, for detecting the air pressure in the air accumulator, the third pressure sensor is electrically connected with the master controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820392494.6U CN208838037U (en) | 2018-03-21 | 2018-03-21 | A kind of pneumoperitoneum apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820392494.6U CN208838037U (en) | 2018-03-21 | 2018-03-21 | A kind of pneumoperitoneum apparatus |
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| CN208838037U true CN208838037U (en) | 2019-05-10 |
Family
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| CN201820392494.6U Active CN208838037U (en) | 2018-03-21 | 2018-03-21 | A kind of pneumoperitoneum apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2021007766A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳迈瑞生物医疗电子股份有限公司 | Pneumoperitoneum device and insufflation control method thereof |
| CN112972839A (en) * | 2021-02-09 | 2021-06-18 | 西安申兆光电科技有限公司 | Pneumoperitoneum machine |
| WO2022159537A1 (en) * | 2021-01-22 | 2022-07-28 | Conmed Corporation | Gaseous sealing manifold assembly for surgical gas delivery system |
| WO2024022261A1 (en) * | 2022-07-23 | 2024-02-01 | 深圳市精锋医疗科技股份有限公司 | Surgical gas supply system and control method for insufflator |
-
2018
- 2018-03-21 CN CN201820392494.6U patent/CN208838037U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021007766A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳迈瑞生物医疗电子股份有限公司 | Pneumoperitoneum device and insufflation control method thereof |
| 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 |
| 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 |
| WO2022159537A1 (en) * | 2021-01-22 | 2022-07-28 | Conmed Corporation | Gaseous sealing manifold assembly for surgical gas delivery system |
| CN112972839A (en) * | 2021-02-09 | 2021-06-18 | 西安申兆光电科技有限公司 | Pneumoperitoneum machine |
| CN112972839B (en) * | 2021-02-09 | 2024-03-15 | 上海澳华内镜股份有限公司 | Pneumoperitoneum machine |
| WO2024022261A1 (en) * | 2022-07-23 | 2024-02-01 | 深圳市精锋医疗科技股份有限公司 | Surgical gas supply system and control method for insufflator |
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