CN209360838U - Oncological Surgery Special constant temperature pneumoperitoneum system - Google Patents
Oncological Surgery Special constant temperature pneumoperitoneum system Download PDFInfo
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- CN209360838U CN209360838U CN201820930272.5U CN201820930272U CN209360838U CN 209360838 U CN209360838 U CN 209360838U CN 201820930272 U CN201820930272 U CN 201820930272U CN 209360838 U CN209360838 U CN 209360838U
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- storehouse
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- controlled valve
- preheating
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Abstract
The utility model discloses one kind constant temperature pneumoperitoneum apparatus used in hysteroscope cancer surgery, including gas cylinder, double storehouse electric heaters, controlled valve, temperature sensor, pressure sensor, negative pressure device, controller.The gas cylinder (11) is connected through the first controlled valve (12) with the preheating gas for storehouse (13) pipeline；The preheating gas is connected by the second controlled valve (14) with preheating gas storehouse (15) pipeline for storehouse (13)；The preheating gas storehouse (15) is connected with through third controlled valve (7) with the abdominal cavity (3) pipeline；The abdominal cavity (3) is connected through the 4th controlled valve (2) with the negative pressure device (1) pipeline.The utility model can carry out stabilizing gas preheating, and provide constant temperature and pressure pneumoperitoneum according to arbitrary target temperature in peritoneal cavity setting value.Abdominal cavity continues 43 degrees Celsius of circulation of hot gases, and tumor thermotherapy can be carried out while laparoscopic surgery, has corresponding oncotherapy function.
Description
Technical field
The utility model relates to the celioscope pneumoperitoneum machines used in laparoscope cancer surgery, and especially it can be mentioned
For 43 degrees Celsius of constant temperature pneumoperitoneums.
Background technique
Surgical operation is the main means of oncotherapy always.Good tumor resection can achieve radical cure tumour
Purpose.However, the Implantation matastasis of postoperative tumour frequently results in treatment failure, it is still to be difficult to solve the problems, such as at present.Tumour
Some occur before the surgery Implantation matastasis, some are occurred in surgical procedures.Existing document report shows, body cavity
Thermotherapy can effectively kill Implantation matastasis lesion.It can be reached in body cavity long lasting for circulation using 43 degrees Celsius of hot water
Tumour cell purpose is killed to effective.Currently, body cavity thermotherapy is usually used alone in oncotherapy, or complete to perform the operation
It is carried out again after excision using whole process is time-consuming and laborious.In recent years, endoscope-assistant surgery development is swift and violent, from some simple operations
Operation be transitioned into the operative treatment of complicated malignant tumour.How to prevent in endoscope-assistant surgery and processing Implantation matastasis lesion is
Urgent problem to be solved.
Utility model content
Currently, the pneumoperitoneum apparatus of clinical use is simple according to preset value, it is filled with carbon dioxide gas to intraperitoneal and builds
Vertical pneumoperitoneum.Part pneumoperitoneum apparatus also has to being filled with gas preheater function.However, such pneumoperitoneum apparatus cannot essence to intraperitoneal temperature
It really adjusts, the constant temperature pneumoperitoneum of ad hoc temperature can not be provided, can not implement to continue body cavity thermotherapy, unsuitable tumor operation makes
With.Compared with prior art, using technical solution described in the utility model, it can achieve following technical effect: 1, temperature in peritoneal cavity
It can need to set according to treatment.2, in the course of surgery, temperature in peritoneal cavity continued for constant.
In order to achieve the above objectives, the utility model uses following technical solutions: 1, gas temperature can arbitrarily be preset.2, double
Storehouse formula gas preheater makes preheating gas preheating completely, and double storehouse electric heaters can be lasting to supply with continuous work.3, gas foundation
Barometric gradient successively, unidirectionally, constant flow.4, it is adjusted by temperature, pressure feedback, keeps abdominal cavity constant temperature, constant pressure always.5, it controls
Device core component processed is microcomputer.
Pneumoperitoneum apparatus includes at least: gas cylinder, double storehouse electric heaters, controlled valve, temperature sensor, pressure sensor, negative pressure dress
It sets, controller.It is characterized by: double storehouse electric heaters further include preheating gas for storehouse, preheating gas storehouse and electric heater；
Its described gas cylinder 11 is connected through the first controlled valve 12 with the preheating gas for 13 pipeline of storehouse；The preheating gas is standby
Storehouse 13 is connected by the second controlled valve 14 with 15 pipeline of preheating gas storehouse；The preheating gas storehouse 5 with through third controlled valve 7 and institute
3 pipeline of abdominal cavity is stated to be connected；The abdominal cavity 3 is connected through the 4th controlled valve 2 with 1 pipeline of negative pressure device.
Its described first, second temperature sensor 8,4 and first, second, third pressure sensor 10,9,5 with
The controller 6 is electrically connected.The controller 6 is electrically connected with first, second, third, fourth controlled valve 12,14,7,2.
Its described double storehouse electric heater 16 gives gas continuous heating and guarantor in double storehouses according to 6 preset temperature of controller
Temperature.First temperature sensor 8 is by being electrically connected to the controller 6 and the preheating gas between storehouse 13.Described
One temperature sensor 8 detects the preheating gas for 13 temperature of storehouse, and passes to the controller 6 by electric signal.When described
When preheating gas is lower than the preset temperature of the controller 6 for 13 temperature of storehouse, the controller 6 controls second controlled valve
14 are in close state.When the preheating gas reaches the preset temperature of the controller 6 for 13 temperature of storehouse, the controller
6 the second controlled valves 14 of control are in can open state.
Its described first pressure sensor 12 by be electrically connected to the preheating gas for storehouse 13 and the controller 6 it
Between.Told second pressure sensor 9 is by being electrically connected to the preheating gas storehouse 15 between the controller 6.When described pre-
When hot gas is lower than 6 preset pressure of controller for pressure in storehouse 13, the controller 6 controls first controlled valve 12
In open state, the second controlled valve 14 is in close state.It is standby that cryogenic gas by the gas cylinder 11 flows into the preheating gas
Storehouse 13.When the preheating gas reaches 6 preset value of controller for 13 pressure of storehouse, the controller 6 controls described first
Controlled valve 12 is in close state, second controlled valve 14 be in can open state, stop to the preheating gas for storehouse 13
Gas supply.When 15 pressure of preheating gas storehouse is lower than told 6 preset value of controller, the controller 6 transmits electric signal to institute
Second and third controlled valve 14,7 is stated, so that the second controlled valve 14 is in open state, is in close state third controlled valve 7.It is described
Preheating gas flows into the preheating gas storehouse 15 for the preheating gas in storehouse 13.Control is told when 15 pressure of gas storehouse reaches
When 6 preset value of device, the controller 6 transmits electric signal to second and third described controlled valve 14,7, and making the second controlled valve 14, it is in
Closed state, being in third controlled valve 7 can open state.The preheating gas stops flow into institute for the preheating gas in storehouse 13
State preheating gas storehouse 15.
Its described second temperature sensor 4 is by being electrically connected between the controller 6 and the abdominal cavity 3.Described second
Temperature sensor 4 detects 3 temperature of abdominal cavity, and transmitting electric signal gives the controller 6.When 3 temperature of abdominal cavity is lower than described
When 6 preset value of controller, the controller 6 controls the negative pressure device 1 and aspirates the cryogenic gas discharge abdomen in the abdominal cavity 3
Chamber 3.The controller 6 controls third controlled valve 7 and keeps open state, and preheating gas in the preheating gas storehouse 15 is made to enter institute
State abdominal cavity 3.When 3 temperature of abdominal cavity reaches 6 preset value of controller, the controller 6 control third and fourth controlled valve 7,
2 remain off, and stop inflating to abdominal cavity.
Its described first, second, third pressure sensor 10,9,5 respectively by be electrically connected to the controller 6 with it is described
Preheating gas is between storehouse 13, preheating gas storehouse 15, abdominal cavity 3.The controller 6 gives preheating gas respectively for storehouse 13, preheating
The different preset reference value in gas storehouse 15, abdominal cavity 3.Moreover, the gas cylinder 11, preheating gas are for storehouse 13, preheating gas storehouse 15, abdomen
The gas pressure value of chamber 3 reduces in gradient.By the collaborative work of above continuous multiple feedback control loops, it can achieve gas and exist
In system successively, unidirectionally, constant flow.
Its described controller 6 includes single-chip microcontroller and hardware circuit, and one-chip machine port is connected with hardware circuit, and hardware circuit will
Single-chip microcontroller is conveyed to after the transmission signal processing of sensor, command signal is conveyed described first, second, third, by single-chip microcontroller
Four controlled valves and double storehouse heaters 16.
Compared with prior art, having the characteristics that following prominent and technical progress: traditional pneumoperitoneum
Machine is mostly only to have simple cavity aerification function, partially has the function of simple gas preheater, temperature is not adjustable, and is only capable of mentioning
The pneumoperitoneum needed for operation.And the utility model uses double-chamber type gas heating technique, is controlled to adjust by multi-level feedback, it can be with
According to arbitrary target temperature in peritoneal cavity setting value, stabilizing gas preheating is carried out.Preheating gas according to barometric gradient successively, unidirectionally,
Constant flow, to reach abdominal cavity constant temperature, constant pressure always.Abdominal cavity continues 43 degrees Celsius of circulation of hot gases, can be in laparoscopic surgery
While to cavity carry out tumor thermotherapy, have corresponding oncotherapy function.
Detailed description of the invention
Fig. 1 is the utility model block diagram；
Fig. 2 is the utility model control structure block diagram；
Fig. 3 is the utility model connection schematic diagram；
1. negative pressure device in figure, 2. the 4th controlled valves, 3. abdominal cavities, 4. second temperature sensors, 5. third pressure sensors,
6. controller, 7. third controlled valves, 8. first temperature sensors, 9. second pressure receptors, 10. first pressure receptors,
11. gas cylinder, 12. first controlled valves, 13. 1 hot gas are for storehouse, 14. second controlled valves, 15. preheating gas storehouses, 16. pairs of storehouse electricity
Heater.
Specific embodiment
The preferred embodiment of the utility model is described with reference to the drawings as follows:
As shown in Figure 1, 2, 3, Oncological Surgery Special constant temperature pneumoperitoneum system include: gas cylinder, double storehouse electric heaters, controlled valve,
Temperature sensor, pressure sensor, negative pressure device, controller.Its pipeline and circuit connecting mode are as shown in the figure.In Oncological Surgery
In Special constant temperature pneumoperitoneum system, the gas cylinder 11 provides high pressure gas, it is therefore preferable to carbon dioxide gas.
Embodiment 1
As shown in Figure 1, 2.The first pressure sensor 10 detects the preheating gas for pressure in storehouse 13, real-time delivery
To the controller 6.When the preheating gas is lower than 6 preset pressure of controller for pressure in storehouse 13, the controller 6
First controlled valve 12 is opened in control.High pressure gas is filled with the preheating gas for storehouse in the gas cylinder 11.When the preheating
When gas reaches 6 preset value of controller for pressure in storehouse, the controller 6 controls first controlled valve 13 and closes, and stops
Only to the preheating gas for storehouse gas supply.
Double storehouse electric heaters 16 are controlled by the controller 6, persistently to two in double storehouse electric heaters 16
Warehouse carries out heating and thermal insulation.First temperature sensor 8 detects the preheating gas for temperature in storehouse 13, and real-time delivery is to institute
State controller 6.When the preheating gas is lower than 6 preset temperature of controller for temperature in storehouse 13, the controller 6 is controlled
Second controlled valve 14 is in close state.The controller 6 controls double storehouse electric heaters 16 to the preheating gas
Gas is heated in standby storehouse 13.It is described when the preheating gas reaches 6 preset temperature of controller for temperature in storehouse 13
Controller 6 control second controlled valve 14 be in can open state.
Embodiment 2
As shown in Figure 1, 2.The second pressure sensor 9 detects pressure in the preheating gas storehouse 15, and real-time delivery is given
The controller 6.When pressure is lower than 6 preset value of controller in the preheating gas storehouse 15, the controller 6 controls institute
It states the second controlled valve 14 and is in open state.The preheating gas is filled with the preheating gas storehouse 15 for gas in storehouse 13.Work as institute
When stating that pressure reaches 6 preset value of controller in preheating gas storehouse 15, the controller 6 is controlled at second controlled valve 14
In closed state.The preheating gas is filled with the preheating gas storehouse 15 for gas stopping in storehouse 13.
Embodiment 3
As shown in Figure 1, 2.The third pressure sensor 5 detects pressure in told abdominal cavity 3, and real-time delivery gives the control
Device 6.When pressure is lower than 6 preset value of controller in the abdominal cavity 3, the controller 6 is controlled at the third controlled valve 7
In open state.Gas is filled with the abdominal cavity 3 in the preheating gas storehouse 15.When pressure reaches the control in the abdominal cavity 3
When 6 preset value of device, the controller 6 controls the third controlled valve 7 and is in close state.Gas in the preheating gas storehouse 15
Stopping is filled with the abdominal cavity 3.
Embodiment 4
As shown in Figure 1, 2.The second temperature sensor 4 detects temperature in the abdominal cavity 3, and real-time delivery gives the control
Device.When temperature is lower than 6 preset value of controller in the abdominal cavity 3, institute's controller 6 controls the 4th controlled valve 2 and is in
Open state.The suction of negative pressure device 1 excludes abdominal cavity cryogenic gas.When temperature reaches the controller 6 in advance in the abdominal cavity 3
If institute's controller 6 controls the 4th controlled valve 2 and is in close state when value.The negative pressure device 1 stops suction and excludes abdominal cavity
Cryogenic gas.
Embodiment 5
As shown in Figure 1, 2.The controller 6 is by circuit connection in the temperature sensor, pressure sensor and controllable
Valve.The controller 6 for storehouse 13, preheating gas storehouse 15, abdominal cavity 3, provides corresponding the preheating gas according to need of work
Pressure preset.Wherein, 11 pressure preset of gas cylinder is higher than the preheating gas for storehouse 13, and the preheating gas is for storehouse 13
Pressure preset is higher than the abdominal cavity 3, and 3 pressure preset of abdominal cavity is higher than the negative pressure device 1, forms uniaxial pressure ladder
Degree.
The controller 6 is to the preheating gas for storehouse 13, preheating gas storehouse 15, double storehouse electric heaters 16, abdominal cavity 3, root
According to needing the reference value to temperature sensor to set, for different sufferers, the needs of the different state of an illness provide different references
Value.In view of pipeline thermal energy detracts, the preheating gas is default for storehouse 13, preheating gas storehouse 15, double 16 temperature of storehouse electric heater
Value is slightly above the abdominal cavity 3.
Embodiment 6
As shown in Figure 1, 2, 3, the controller 6 includes single-chip microcontroller and hardware circuit, and single-chip microcontroller is one small and perfect
Microcomputer system.One-chip machine port is connected with hardware circuit.The controller 6 is according to the pressoreceptor, temperature sense
The respective value of receiver acquisition, controlled valve described in feedback control control its open and-shut mode, exclude institute to reach cryogenic gas interruption
Abdominal cavity 3 is stated, preheated gas interruption is filled with the abdominal cavity 3, remains at preset temperature and pressure shape to reach the abdominal cavity 3
Under state.
The utility model uses double-chamber type gas heating technique, is controlled to adjust by multi-level feedback, can be according to any mesh
Temperature in peritoneal cavity setting value is marked, stabilizing gas preheating is carried out.Preheating gas according to barometric gradient successively, unidirectionally, discontinuous flow, with
Reach abdominal cavity constant temperature, constant pressure always.Abdominal cavity continues 43 degrees Celsius of circulation of hot gases, can be while laparoscopic surgery to cavity
Tumor thermotherapy is carried out, has corresponding oncotherapy function.
Above embodiments are merely to illustrate preferred embodiments of the present invention, but utility model is not limited to above-mentioned reality
Apply mode, the field those of ordinary skill within the scope of knowledge, institute within the spirit and principles of the utility model
Any modification made, equivalent substitute and improve etc., should all cover the claimed technical proposal scope of the utility model it
It is interior.
Claims (6)
1. a kind of dedicated constant temperature pneumoperitoneum system of Oncological Surgery, comprising: gas cylinder (11), double storehouse electric heaters, the first controlled valve
(12), the second controlled valve (14), third controlled valve (7), the 4th controlled valve (2), the first temperature sensor (8), second temperature pass
Sensor (4), first pressure sensor (10), second pressure sensor (9), third pressure sensor (5), negative pressure device, control
Device, the first controlled valve (12), it is characterised in that: double storehouse electric heaters (16) further include preheating gas for storehouse (13), preheating gas
Storehouse (15) and electric heater；The gas cylinder (11) is connected through the first controlled valve (12) with the preheating gas for storehouse (13) pipeline；
The preheating gas is connected by the second controlled valve (14) with preheating gas storehouse (15) pipeline for storehouse (13)；The preheating gas storehouse
(15) it is connected with through third controlled valve (7) with the abdominal cavity (3) pipeline；The abdominal cavity (3) is born through the 4th controlled valve (2) with described
Pressure device (1) pipeline is connected；First, second temperature sensor (8,4) and first, second, third pressure sensing
Device (10,9,5) is electrically connected with the controller (6), the controller (6) and first, second, third, fourth controlled valve
(12,14,7,2) it is electrically connected.
2. constant temperature pneumoperitoneum system according to claim 1, it is characterised in that double storehouse electric heaters (16) are according to the control
Device (6) preset temperature gives gas continuous heating and heat preservation in double storehouses, and first temperature sensor (8) is by being electrically connected to
Controller (6) and the preheating gas are stated between storehouse (13), it is standby that first temperature sensor (8) detects the preheating gas
Storehouse (13) temperature, and the controller (6) are passed to by electric signal, when the preheating gas for storehouse (13) temperature lower than described
When the preset temperature of controller (6), the controller (6) controls second controlled valve (14) and is in close state, when described
When preheating gas reaches the preset temperature of the controller (6) for storehouse (13) temperature, the controller (6) controls the second controlled valve
(14) being in can open state.
3. constant temperature pneumoperitoneum system according to claim 2, feature is described by being electrically connected in the first pressure sensor
Preheating gas is between storehouse (13) and the controller (6), and told second pressure sensor (9) is by being electrically connected to the preheating
Between gas storehouse (15) Yu Suoshu controller (6), when the preheating gas is pre- lower than the controller (6) for storehouse (13) interior pressure
If when pressure, the controller (6) controls first controlled valve (12) and is in open state, the second controlled valve (14), which is in, to be closed
Closed state, cryogenic gas flow into the preheating gas for storehouse (13), when the preheating gas is for storehouse (13) by the gas cylinder (11)
When pressure reaches the controller (6) preset value, the controller (6) controls first controlled valve (12) and is in closing shape
State, second controlled valve (14) be in can open state, stop to the preheating gas for storehouse (13) gas supply, when the preheating
When gas storehouse (15) pressure is lower than the controller (6) preset value, the controller (6) transmitting electric signal to it is described second and third
Controlled valve (14,7), makes the second controlled valve (14) be in open state, is in close state third controlled valve (7), described pre-
Hot gas flows into the preheating gas storehouse (15) for the preheating gas in storehouse (13), when gas storehouse (15) pressure reaches described
When controller (6) preset value, the controller (6) transmitting electric signal gives second and third described controlled valve (14,7), makes second controllable
It is in close state valve (14), make third controlled valve (7) be in can open state, the preheating gas is for pre- in storehouse (13)
Hot gas stops flow into the preheating gas storehouse (15).
4. constant temperature pneumoperitoneum system according to claim 3, it is characterised in that the second temperature sensor (4) is by being electrically connected to
Between the controller (6) and the abdominal cavity (3), the second temperature sensor (4) detects the abdominal cavity (3) temperature, transmitting
Electric signal gives the controller (6), when the abdominal cavity (3) temperature is lower than the controller (6) preset value, the controller
(6) it controls the negative pressure device (1) and aspirates the abdominal cavity (3) the interior cryogenic gas discharge abdominal cavity (3), the controller (6)
It controls third controlled valve (7) and keeps open state, the interior preheating gas of the preheating gas storehouse (15) is made to enter the abdominal cavity (3),
When the abdominal cavity (3) temperature reaches the controller (6) preset value, the controller (6) control third and fourth controlled valve (7,
2) it remains off, stops inflating to abdominal cavity.
5. constant temperature pneumoperitoneum system according to claim 4, it is characterised in that first, second, third pressure sensor (10),
(9), (5) are respectively by being electrically connected to the controller (6) and the preheating gas for storehouse (13), preheating gas storehouse (15), abdomen
Between chamber (3), it is different for storehouse (13), preheating gas storehouse (15), abdominal cavity (3) that the controller (6) gives preheating gas respectively
Preset reference value, moreover, the gas pressure of the gas cylinder (11), preheating gas for storehouse (13), preheating gas storehouse (15), abdominal cavity (3)
Force value reduces in gradient, by the collaborative work of above continuous multiple feedback control loops, can achieve gas in system successively, it is single
To, constant flow.
6. -5 constant temperature pneumoperitoneum system according to claim 1, it is characterised in that the controller (6) includes single-chip microcontroller and hardware electricity
Road, one-chip machine port are connected with hardware circuit, and hardware circuit will be conveyed to single-chip microcontroller, monolithic after the transmission signal processing of sensor
Command signal is conveyed first, second, third, fourth controlled valve and double storehouse electric heaters (16) by machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930272.5U CN209360838U (en) | 2018-06-15 | 2018-06-15 | Oncological Surgery Special constant temperature pneumoperitoneum system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820930272.5U CN209360838U (en) | 2018-06-15 | 2018-06-15 | Oncological Surgery Special constant temperature pneumoperitoneum system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209360838U true CN209360838U (en) | 2019-09-10 |
Family
ID=67822652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820930272.5U Active CN209360838U (en) | 2018-06-15 | 2018-06-15 | Oncological Surgery Special constant temperature pneumoperitoneum system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209360838U (en) |
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2018
- 2018-06-15 CN CN201820930272.5U patent/CN209360838U/en active Active
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