CN209332132U - A kind of pneumoperitoneum apparatus with smoke removing function - Google Patents
A kind of pneumoperitoneum apparatus with smoke removing function Download PDFInfo
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- CN209332132U CN209332132U CN201821118668.6U CN201821118668U CN209332132U CN 209332132 U CN209332132 U CN 209332132U CN 201821118668 U CN201821118668 U CN 201821118668U CN 209332132 U CN209332132 U CN 209332132U
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Abstract
The utility model relates to a kind of pneumoperitoneum apparatus with smoke removing function, including shell, the enclosure interior has accommodating section, is equipped in the accommodating section: power module；Control module；Pressure-reduction module；Pressure regulator valve, the inlet end of the pressure regulator valve are connected with the outlet side of pressure reducing valve；Operation panel, the operation panel are electrically connected with control module；Gas regulation valve group, the outlet side of the hull outside air inlet connections, control module and pressure regulator valve are connect with gas regulation valve group corresponding port respectively；The input terminal of display module, the display module is electrically connected with control module, and the output end of display module is electrically connected with operation panel；Filter, with hull outside except mouth connector is connect, the outlet side of filter inlet end corresponding with gas regulation valve group is connected the inlet end of the filter.The utility model can be vented smoke abatement in the moment after smog generation, quick response, guarantee the continuity and safety of operation.
Description
Technical field
The utility model relates to a kind of pneumoperitoneum apparatus, and in particular to a kind of pneumoperitoneum apparatus with smoke removing function.
Background technique
Laparoscopic surgery is the general name of a kind of novel Minimally Invasive Surgery being most widely used, mainly using minimally invasive
Entrance carries out surgical operation to intraperitoneal diseased region, is the inexorable trend of Tradtional laparotomy development.Minimally invasive hand
Art benefits patient, and wound is small, and rehabilitation is fast, operation negative effect can be reduced to minimum to the maximum extent.
Novel laparoscopic surgery is punched in closed abdomen pelvic cavity, and pneumoperitoneum apparatus is by CO2(carbon dioxide) is filled with abdominal cavity
Interior formation operative space, then intraperitoneal surgical field of view is exposed in monitor screen by imaging system, and doctor can be allowed detailed
The case where understanding inner cavity internal organs and operative space.
CO2Pneumoperitoneum apparatus is one of necessaries of laparoscopic surgery, its major function be under the pressure condition of safety,
It forms operative space and visual-field space, risk is hypertonia, can intra-abdominal pressure be increased, diaphram moves up, for machine
The systems such as the breathing of body and circulation can all generate certain influence.
Therefore, the tidemark of pneumoperitoneum apparatus technology pursuit is how to establish and maintain a safe and reliable pneumoperitoneum, is
Operation provides the good visual field and enough operating spaces, while will not have an adverse effect to human body, ensures that operation can be suitable
Benefit carries out, it is ensured that the life security of patient, this is the key that all pneumoperitoneum apparatus.
Currently, mainstream medical insufflator both domestic and external is all made of electric drive, gas flow rate 20-45L/min, operating surface
Plate has the number display such as intra-abdominal pressure, flow velocity and air inflow.In use process have gas source low pressure alarm, it is under-voltage be automatically replenished,
The basic functions such as over voltage alarm exhaust.High-end pneumoperitoneum apparatus also has gas filtration and heating function.
The Minimally Invasive Surgery being applicable in pneumoperitoneum apparatus it is continuous expand and surgical procedure in the instruments such as endoscopic system, electric knife
Use, generate the effect of intersecting, to pneumoperitoneum apparatus, more stringent requirements are proposed.Pneumoperitoneum apparatus in existing hospital's use, due to
In the course of surgery using the cutting equipments such as electric knife, the smog that be enough to influence the visual field can be generated in a short time, thus in cut off the hands
Art process.Therefore, it is badly in need of designing a pneumoperitoneum apparatus, it can be vented smoke abatement in the moment after smog generation, quick response, protect
Demonstrate,prove the continuity and safety of operation.
Utility model content
The purpose of this utility model is: providing a kind of moment after smog generation is enable to respond quickly, and is vented smoke abatement, guarantees
The continuity of operation and the pneumoperitoneum apparatus with smoke removing function of safety.
A kind of in order to achieve the above object, the technical solution of the present invention is: pneumoperitoneum apparatus with smoke removing function, including
Shell, the enclosure interior have accommodating section, are equipped in the accommodating section:
One power module, the power module are connect by conducting wire with the power supply outside shell；
One control module, the power module are control module power supply；
One pressure-reduction module, the pressure-reduction module include pressure reducing valve, the inlet end of the pressure reducing valve and the external air source of shell
It is connected；
One pressure regulator valve, the inlet end of the pressure regulator valve are connected with the outlet side of pressure reducing valve；
One operation panel, operation panel connecting pin electrical connection corresponding with control module；
Its innovative point is: it is additionally provided in the accommodating section:
One gas regulation valve group, the outlet side of the hull outside air inlet connections, control module and pressure regulator valve respectively with
The connection of gas regulation valve group corresponding port；
One display module, the connecting pin electrical connection corresponding with control module of the input terminal of the display module, and show mould
The connecting pin electrical connection corresponding with operation panel of the output end of block；
One filter, the inlet end of the filter with hull outside except mouth connector connect, the outlet side of filter and
The corresponding inlet end of gas regulation valve group is connected.
In the above-mentioned technical solutions, the gas regulation valve group includes the first proportioning valve, air inlet electromagnetic switch valve, exhaust electricity
Magnetic switch valve, the second proportioning valve and pressure difference filter core, the inlet end of first proportioning valve and the outlet side of pressure regulator valve connect, and its
Outlet side is connect with the inlet end of the inlet end of exhaust electromagnetic switch valve and pressure difference filter core simultaneously, first proportioning valve and control
The corresponding connecting pin electrical connection of module, the outlet side of the exhaust electromagnetic switch valve are communicated with the atmosphere, the outlet side of pressure difference filter core
It being connect with the inlet end of air inlet electromagnetic switch valve, the outlet side of air inlet electromagnetic switch valve is connect with hull outside air inlet connections,
The inlet end of second proportioning valve and the outlet side of filter connect, and its outlet side is connect with atmosphere.
In the above-mentioned technical solutions, the control module includes control mainboard, second pressure sensor, third pressure sensing
Device and the 4th pressure sensor, the power module, second pressure sensor, third pressure sensor, the 4th pressure sensor
With display module connecting pin electrical connection corresponding with control mainboard respectively.
In the above-mentioned technical solutions, the control module includes control mainboard, second pressure sensor, third pressure sensing
Device and the 4th pressure sensor, the power module, second pressure sensor, third pressure sensor, the 4th pressure sensor
With display module connecting pin electrical connection corresponding with control mainboard respectively, the first proportioning valve of the gas regulation valve group, air inlet
Corresponding with the control mainboard connecting pin electrical connection respectively of electromagnetic switch valve, exhaust electromagnetic switch valve and the second proportioning valve, described the
Two pressure sensors are connected with the outlet side of the first proportioning valve, the inlet end of third pressure sensor and air inlet electromagnetic switch valve
It is connected, the 4th pressure sensor is connected with the outlet side of air inlet electromagnetic switch valve.
In the above-mentioned technical solutions, the pressure-reduction module further includes first pressure sensor, the first pressure sensor
It is connected with the external air source of shell, and connecting pin corresponding with control module is electrically connected.
In the above-mentioned technical solutions, muffler is equipped at the air outlet of second proportioning valve.
In the above-mentioned technical solutions, the operation panel is equipped with power key, INO Intake Open key, air pressure adjustment key, flow
Adjusting key, Menu key, traffic statistics zero key, air inlet indicator light, volume of rest gas indicator light, smoke abatement button, pneumoperitoneum interface tube,
Smoke abatement interface tube, actual pressure display area, actual flow display area and information area.
In the above-mentioned technical solutions, the backboard of the shell is equipped with the air inlet linked with the gas source being located at outside pneumoperitoneum apparatus
Mouthful.
In the above-mentioned technical solutions, the control mainboard includes voltage step-down conversion circuit, multiple ADC conversion circuits, MCU
Processor, multiple PWM drive circuits, multiple driving circuits and communication interface, the power module is through voltage step-down conversion circuit
Be electrically connected with the power end of MCU processor, the first pressure sensor, second pressure sensor, third pressure sensor and
4th pressure sensor is electrically connected by corresponding ADC conversion circuit with the input terminal of MCU processor respectively, first ratio
Valve and the second proportioning valve are electrically connected by corresponding PWM drive circuit with the output end of MCU processor respectively, the air inlet electromagnetism
Switch valve and exhaust electromagnetic switch valve are electrically connected by corresponding driving circuit with the output end of MCU processor respectively, the MCU
Processor is electrically connected by communication interface with display module.
Good effect possessed by the utility model is: after the pneumoperitoneum apparatus with smoke removing function of the utility model,
Due to being additionally provided in accommodating section described in the utility model:
One gas regulation valve group, the outlet side of the hull outside air inlet connections, control module and pressure regulator valve respectively with
The connection of gas regulation valve group corresponding port；
One display module, the connecting pin electrical connection corresponding with control module of the input terminal of the display module, and show mould
The connecting pin electrical connection corresponding with operation panel of the output end of block；
One filter, the inlet end of the filter with hull outside except mouth connector connect, the outlet side of filter and
The corresponding inlet end of gas regulation valve group is connected；Gas source is connected with the accommodating section of shell, gas passes through pressure reducing valve, from
And realize and the gas in pipeline is once depressured, the gas after decompression enters pressure regulator valve pressure regulation, when airline pressure reaches gas
The pressure limit of road setting is sent into gas regulation valve group, by the control module according to the parameter setting on operation panel and in real time
Pressure feedback realizes the control of aperture and time by gas regulation valve group, so that gas flow is controlled, the gas control valve
Group control enters the gas on-off of human body, and by pressure in control module real-time measurement human abdominal cavity,
Intraperitoneal when smoke abatement to enter filter through the accommodating section of shell containing aerosol gases, the filter has smog
Absorption function, gas enter gas regulation valve group after filter, and the control module is exported according to the signal on operation panel
To control gas flow, and then atmosphere is discharged through gas regulation valve group in gas by corresponding control signal；
The utility model can smog generation after moment, quick response, be vented smoke abatement, guarantee operation continuity with
Safety.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of specific embodiment of the utility model；
Fig. 2 is the principles of the present invention schematic diagram；
Fig. 3 is the structural schematic diagram of the operation panel of the utility model；
Fig. 4 is the circuit theory block diagram of the utility model control module.
Specific embodiment
Below in conjunction with attached drawing and the embodiment provided, the utility model is further described, but is not limited to
This.
As shown in Figure 1,2,3, 4, a kind of pneumoperitoneum apparatus with smoke removing function, including shell 10 have inside the shell 10
There is accommodating section 11, be equipped in the accommodating section 11:
One power module 20, the power module 20 are connect by conducting wire with the power supply outside shell 10；
One control module 60, the power module 20 are the power supply of control module 60；
One pressure-reduction module 30, the pressure-reduction module 30 include pressure reducing valve 31, the inlet end and shell 10 of the pressure reducing valve 31
External air source be connected；
The inlet end of one pressure regulator valve 40, the pressure regulator valve 40 is connected with the outlet side of pressure reducing valve 30；
One operation panel 90, the connecting pin electrical connection corresponding with control module 60 of operation panel 90；
It is additionally provided in the accommodating section 11:
One gas regulation valve group 50, the outlet of the 10 outer suction port connector of shell, control module 60 and pressure regulator valve 40
End is connect with 50 corresponding port of gas regulation valve group respectively；
One display module 70, the connecting pin electrical connection corresponding with control module 60 of the input terminal of the display module 70, and
The connecting pin electrical connection corresponding with operation panel 90 of the output end of display module 70；
One filter 80, the inlet end of the filter 80 with outside shell 10 remove mouth connector connect, filter 80
Outlet side inlet end corresponding with gas regulation valve group 50 is connected.
As shown in Figure 4, wherein the LCD screen that the display module 70 is preferentially selected, certainly, it is not limited to and this, it can also
To select LED screen.
As shown in Fig. 2, for the ease of adjusting gas flow, the gas regulation valve group 50 include the first proportioning valve 51, into
Gas electromagnetic switch valve 52, exhaust electromagnetic switch valve 53, the second proportioning valve 54 and pressure difference filter core 55, first proportioning valve 51 into
Gas end is connect with the outlet side of pressure regulator valve 40, and its outlet side while inlet end and pressure difference filter core with exhaust electromagnetic switch valve 53
55 inlet end connection, the connecting pin electrical connection corresponding with control module 60 of the first proportioning valve 51, the exhaust electromagnetism are opened
The outlet side for closing valve 53 is communicated with the atmosphere, and the outlet side of pressure difference filter core 55 is connect with the inlet end of air inlet electromagnetic switch valve 52, into
The outlet side of gas electromagnetic switch valve 52 is connect with 10 outer suction port connector of shell, the inlet end and mistake of second proportioning valve 54
The outlet side of filter 80 connects, and its outlet side is connect with atmosphere.
Other component substitutions also can be selected in above-mentioned second proportioning valve 54, and second proportioning valve 54 is replaced by: 1. is different
2. fan of valve group, 3. air pump of the electromagnetic switch valve composition of bore.
Difference is: proportioning valve and valve group control all be by operative space positive pressure realize gas flowing (passive type), wind
Fan and air pump control are all to generate negative pressure by itself to realize gas flowing (active).
As shown in Fig. 2, for the ease of the pressure generated when detection gas flowing, and according to the pressure output phase detected
The control signal answered, the control module 60 include control mainboard 61, second pressure sensor 62,63 and of third pressure sensor
4th pressure sensor 64, the power module 20, second pressure sensor 62, third pressure sensor 63, the 4th pressure pass
Sensor 64 and the connecting pin electrical connection corresponding with control mainboard 61 respectively of display module 70.The control module can be with surgical device
Tool, mirror operation handle, electric knife host, endoscope host system etc. are connected, and realization is manually controlled or automatically controlled.
As shown in Fig. 2, the control module 60 includes control mainboard in order to enable the utility model structure is more reasonable
61, second pressure sensor 62, third pressure sensor 63 and the 4th pressure sensor 64, the power module 20, second are pressed
Force snesor 62, third pressure sensor 63, the 4th pressure sensor 64 and display module 70 are corresponding to control mainboard 61 respectively
Connecting pin electrical connection, the first proportioning valve 51 of the gas regulation valve group 50, air inlet electromagnetic switch valve 52, exhaust electromagnetic switch
The connecting pin electrical connection corresponding with control mainboard 61 respectively of valve 53 and the second proportioning valve 54, the second pressure sensor 62 and the
The outlet side of one proportioning valve 51 is connected, and third pressure sensor 63 is connected with the inlet end of air inlet electromagnetic switch valve 52, the
Four pressure sensors 64 are connected with the outlet side of air inlet electromagnetic switch valve 52.
As shown in Fig. 2, the pressure-reduction module 30 further includes first pressure sensor 32 for the ease of detecting bleed pressure,
The first pressure sensor 32 is connected with the external air source of shell 10, and connecting pin corresponding with control module 60 is electrically connected
It connects.
In order to eliminate noise, prevent from influencing doctor's operation, the outlet of second proportioning valve 54 in the course of surgery
Muffler is equipped at port.
As shown in figure 3, the operation panel 90 is equipped with power key 91, INO Intake Open key 92, air pressure for the ease of regulation
Adjusting key 93, flow adjusting key 94, Menu key 95, traffic statistics zero key 96, air inlet indicator light 97, volume of rest gas indicator light
98, smoke abatement button 99, pneumoperitoneum interface tube 901, smoke abatement interface tube 902, actual pressure display area 903, actual flow viewing area
Domain 904 and information area 905.
It is located at the gas source outside pneumoperitoneum apparatus in order to facilitate connection, the backboard of the shell 10 is equipped with and is located at outside pneumoperitoneum apparatus
The air inlet of gas source link.
As shown in figure 4, the control mainboard 61 include voltage step-down conversion circuit 611, multiple ADC conversion circuits 622,
MCU processor 623, multiple PWM drive circuits 624, multiple driving circuits 625 and communication interface 626, the power module 20 pass through
Voltage step-down conversion circuit 611 is electrically connected with the power end of MCU processor 623, the first pressure sensor 32, second pressure
Sensor 62, third pressure sensor 63 and the 4th pressure sensor 64 pass through corresponding ADC conversion circuit 622 and MCU respectively
The input terminal of processor 623 is electrically connected, and first proportioning valve 51 and the second proportioning valve 54 pass through corresponding PWM driving electricity respectively
Road 624 is electrically connected with the output end of MCU processor 623, and the air inlet electromagnetic switch valve 52 and exhaust electromagnetic switch valve 53 are distinguished
It is electrically connected by corresponding driving circuit 625 with the output end of MCU processor 623, the MCU processor 623 is connect by communication
Mouth 626 is electrically connected with display module 70.
The course of work of the utility model is:
It is provided with air inlet on the backboard of the shell 10, which passes through pipeline and the gas source outside pneumoperitoneum apparatus
Connection, gas enter accommodating section 11 from air inlet, enter first pressure sensor 32 along gas circuit first, by the first pressure
Sensor 32 determines admission pressure, and when bleed pressure deficiency, first pressure sensor 32 passes the signal along to control
Module 60.
Gas enters pressure reducing valve 31 after the judgement of first pressure sensor 32, carries out to realize to the gas in pipeline
Primary decompression.
Gas after decompression enters pressure regulator valve 40, and by pressure regulation, airline pressure reaches the pressure limit of gas circuit setting.
The first proportioning valve 51 for entering the gas regulation valve group 50 after gas progress pressure regulation, by the control module 60
According on operation panel parameter setting and real-time pressure feedback to first proportioning valve 51 realize aperture and time control, from
And control gas flow.
Gas is divided into two-way after first proportioning valve 51, all the way with exhaust electromagnetic switch valve 53 connect, all the way with
Pressure difference filter core 55 connects.
Gas is connect after overpressure difference filter core 55 with air inlet electromagnetic switch valve 52, and 55 inlet end of pressure difference filter core is equipped with the
Two pressure sensors 62,55 outlet side of pressure difference filter core are equipped with third pressure sensor 63, the pressure data that gas generates when flowing
Control mainboard 61 is fed back, and pressure and flow rate calculation are carried out according to real-time value of feedback, reaches and more accurately controls.
Gas enters air inlet electromagnetic switch valve 52 after overpressure difference filter core 55, and the on-off of air inlet electromagnetic switch valve 52, which controls, to be entered
The on-off of the gas of human body is connected to the 4th pressure sensor 64 after the air inlet electromagnetic switch valve 52, is used for real-time measurement human body
Intra-abdominal pressure, the 4th pressure sensor 64 are electrically connected with control module 60, are fed back for human abdominal cavity pressure data.
Gas another way after the first proportioning valve 51 is connect with exhaust electromagnetic switch valve 53, by being vented electromagnetic switch valve
53 enter atmosphere, and excessive gas is discharged in the exhaust electromagnetic switch valve 53 when excessive for intra-abdominal pressure, are vented electromagnetic switch
The on-off of the on-off control gas flowing of valve 53, is equipped with muffler in exhaust 53 air outlet of electromagnetic switch, for eliminating noise.
The smoke abatement interface tube 902 of the intraperitoneal operation panel 90 containing aerosol gases through shell 10 enters filter when smoke abatement
80, filter 80 has the function of that fume absorbent, gas are connect after filter with the second proportioning valve 54, the second proportioning valve 54 and control
Molding block 60 is connected, control module 60 according on operation panel 90 signal input to the second proportioning valve 54 realize aperture and when
Between control, to control gas flow, gas connects atmosphere after the second proportioning valve 54, in 54 outlet side of the second proportioning valve
Mouth is equipped with muffler, for eliminating noise.
The power supply key control on/off of the operation panel, air inlet switch key control gas flow switch, air pressure adjustment
Key assignments pressure size, flow adjust key assignments uninterrupted, and pneumoperitoneum apparatus initial value is arranged in Menu key, and traffic statistics zero key is used
It is zeroed in traffic statistics.Air inlet indicator light shows that air-suction state, volume of rest gas indicator light show bleed pressure, pneumoperitoneum interface tube
For connecting pneumoperitoneum pipe, for smoke abatement interface tube for connecting smoke-removing pipe, actual pressure display area shows pressure real value, practical to flow
It measures display area and shows real-time flow data, information area shows pressure, flow set value, using gas total amount and fault message.
The utility model can smog generation after moment, quick response, be vented smoke abatement, guarantee operation continuity with
Safety.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (9)
1. a kind of pneumoperitoneum apparatus with smoke removing function, including shell (10), the shell (10) is internal to have accommodating section (11),
It is equipped in the accommodating section (11):
One power module (20), the power module (20) are connect by conducting wire with the power supply of shell (10) outside；
One control module (60), the power module (20) are control module (60) power supply；
One pressure-reduction module (30), the pressure-reduction module (30) include pressure reducing valve (31), the inlet end and shell of the pressure reducing valve (31)
The external air source of body (10) is connected；
The inlet end of one pressure regulator valve (40), the pressure regulator valve (40) is connected with the outlet side of pressure reducing valve (31)；
One operation panel (90), operation panel (90) the connecting pin electrical connection corresponding with control module (60)；
It is characterized by: being additionally provided in the accommodating section (11):
One gas regulation valve group (50), shell (10) the outer suction port connector, control module (60) and pressure regulator valve (40)
Outlet side is connect with gas regulation valve group (50) corresponding port respectively；
One display module (70), the connecting pin electrical connection corresponding with control module (60) of the input terminal of the display module (70),
And the output end connecting pin electrical connection corresponding with operation panel (90) of display module (70)；
The inlet end of one filter (80), the filter (80) is external except mouth connector is connect with shell (10), filter
(80) outlet side inlet end corresponding with gas regulation valve group (50) is connected.
2. the pneumoperitoneum apparatus according to claim 1 with smoke removing function, it is characterised in that: the gas regulation valve group (50)
Including the first proportioning valve (51), air inlet electromagnetic switch valve (52), exhaust electromagnetic switch valve (53), the second proportioning valve (54) and pressure difference
The inlet end of filter core (55), first proportioning valve (51) is connect with the outlet side of pressure regulator valve (40), and its outlet side simultaneously with
The inlet end of exhaust electromagnetic switch valve (53) is connected with the inlet end of pressure difference filter core (55), first proportioning valve (51) and control
The corresponding connecting pin electrical connection of module (60), the outlet side of exhaust electromagnetic switch valve (53) are communicated with the atmosphere, pressure difference filter core
(55) outlet side is connect with the inlet end of air inlet electromagnetic switch valve (52), the outlet side of air inlet electromagnetic switch valve (52) and shell
(10) outer suction port connector connects, and the inlet end of second proportioning valve (54) is connect with the outlet side of filter (80), and
Its outlet side is connect with atmosphere.
3. the pneumoperitoneum apparatus according to claim 1 with smoke removing function, it is characterised in that: the control module (60) includes
Control mainboard (61), second pressure sensor (62), third pressure sensor (63) and the 4th pressure sensor (64), the electricity
Source module (20), second pressure sensor (62), third pressure sensor (63), the 4th pressure sensor (64) and display module
(70) connecting pin electrical connection corresponding with control mainboard (61) respectively.
4. the pneumoperitoneum apparatus according to claim 2 with smoke removing function, it is characterised in that: the control module (60) includes
Control mainboard (61), second pressure sensor (62), third pressure sensor (63) and the 4th pressure sensor (64), the electricity
Source module (20), second pressure sensor (62), third pressure sensor (63), the 4th pressure sensor (64) and display module
(70) connecting pin electrical connection corresponding with control mainboard (61) respectively, the first proportioning valve of the gas regulation valve group (50)
(51), air inlet electromagnetic switch valve (52), exhaust electromagnetic switch valve (53) and the second proportioning valve (54) respectively with control mainboard (61)
Corresponding connecting pin electrical connection, the second pressure sensor (62) are connected with the outlet side of the first proportioning valve (51), third
Pressure sensor (63) is connected with the inlet end of air inlet electromagnetic switch valve (52), the 4th pressure sensor (64) and air inlet electromagnetism
The outlet side of switch valve (52) is connected.
5. the pneumoperitoneum apparatus according to claim 1 with smoke removing function, it is characterised in that: the pressure-reduction module (30) is also wrapped
Include first pressure sensor (32), the first pressure sensor (32) is connected with the external air source of shell (10), and with control
The corresponding connecting pin electrical connection of molding block (60).
6. the pneumoperitoneum apparatus according to claim 2 with smoke removing function, it is characterised in that: second proportioning valve (54)
Muffler is equipped at air outlet.
7. the pneumoperitoneum apparatus according to claim 1 with smoke removing function, it is characterised in that: set on the operation panel (90)
There are power key (91), INO Intake Open crucial (92), air pressure adjustment key (93), flow adjusting key (94), Menu key (95), traffic statistics
Zero key (96), air inlet indicator light (97), volume of rest gas indicator light (98), smoke abatement button (99), pneumoperitoneum interface tube (901),
Smoke abatement interface tube (902), actual pressure display area (903), actual flow display area (904) and information area (905).
8. the pneumoperitoneum apparatus according to claim 1 with smoke removing function, it is characterised in that: on the backboard of the shell (10)
Equipped with the air inlet linked with the gas source being located at outside pneumoperitoneum apparatus.
9. the pneumoperitoneum apparatus according to claim 4 with smoke removing function, it is characterised in that: the pressure-reduction module (30) is also wrapped
Include first pressure sensor (32), the first pressure sensor (32) is connected with the external air source of shell (10), and with control
The corresponding connecting pin electrical connection of molding block (60)；The control mainboard (61) includes voltage step-down conversion circuit (611), multiple
ADC conversion circuit (622), MCU processor (623), multiple PWM drive circuits (624), multiple driving circuits (625) and communication
Interface (626), the power module (20) are electrically connected through voltage step-down conversion circuit (611) and the power end of MCU processor (623)
It connects, the first pressure sensor (32), second pressure sensor (62), third pressure sensor (63) and the 4th pressure sensing
Device (64) is electrically connected by corresponding ADC conversion circuit (622) with the input terminal of MCU processor (623) respectively, first ratio
Example valve (51) and the second proportioning valve (54) pass through the output of corresponding PWM drive circuit (624) and MCU processor (623) respectively
End electrical connection, the air inlet electromagnetic switch valve (52) and exhaust electromagnetic switch valve (53) pass through corresponding driving circuit respectively
(625) it is electrically connected with the output end of MCU processor (623), the MCU processor (623) passes through communication interface (626) and display
Module (70) electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118668.6U CN209332132U (en) | 2018-07-16 | 2018-07-16 | A kind of pneumoperitoneum apparatus with smoke removing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821118668.6U CN209332132U (en) | 2018-07-16 | 2018-07-16 | A kind of pneumoperitoneum apparatus with smoke removing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209332132U true CN209332132U (en) | 2019-09-03 |
Family
ID=67743276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821118668.6U Active CN209332132U (en) | 2018-07-16 | 2018-07-16 | A kind of pneumoperitoneum apparatus with smoke removing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209332132U (en) |
-
2018
- 2018-07-16 CN CN201821118668.6U patent/CN209332132U/en active Active
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