CN219229979U - Heating and humidifying pneumoperitoneum machine with external pressure sampling - Google Patents
Heating and humidifying pneumoperitoneum machine with external pressure sampling Download PDFInfo
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- CN219229979U CN219229979U CN202222890137.1U CN202222890137U CN219229979U CN 219229979 U CN219229979 U CN 219229979U CN 202222890137 U CN202222890137 U CN 202222890137U CN 219229979 U CN219229979 U CN 219229979U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The application discloses external heating humidification pneumoperitoneum machine of pressure sampling, including pneumoperitoneum machine host computer, air duct and pneumoperitoneum needle, air duct one end with the pneumoperitoneum needle meets, the air duct other end with the pneumoperitoneum machine host computer meets, still includes data acquisition ware, signal line and pressure sensing contact, data acquisition ware sets up on the pneumoperitoneum machine host computer, pressure sensing contact sets up in air duct one end, and pressure sensing contact passes through the signal line data acquisition ware meets, the signal line with the outer wall fixed fit of air duct is in the same place.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a heating and humidifying pneumoperitoneum machine with external pressure sampling.
Background
In laparoscopic surgery, in order to give a doctor a choice ofFor a good surgical operation space and field of view, a pneumoperitoneum machine is required to inject gas into the abdominal cavity of the patient. The working principle of the pneumoperitoneum machine is that the pneumoperitoneum machine is connected with medical CO 2 Gas storage tank, liquid CO 2 After flowing into pneumoperitoneum machine, the pneumoperitoneum machine is heated by a heater, and then CO 2 And then the pneumoperitoneum is inflated along the air delivery pipe to the abdominal cavity of the patient, so that the abdominal wall is separated from the abdominal viscera, and an operation and visual field space is formed. When the pressure in the abdominal cavity reaches a preset pressure, the air inlet can be automatically stopped, and a certain amount of air is maintained to ensure that the abdominal cavity is always in a preset pressure air-filled state; pneumoperitoneum can be automatically inflated to maintain the necessary operation and viewing space required for the surgical procedure when the intra-abdominal pressure is reduced during the surgical procedure.
The data collector of the pneumoperitoneum machine on the market at present is integrated in the pneumoperitoneum machine, only one gas transmission pipe is used for connecting the pneumoperitoneum needle, the position of pressure detection is far away from the abdominal cavity of a patient, and the data collector is easily interfered by gas flow in the gas transmission pipe, so that the data collector is difficult to detect the real pressure of the abdominal cavity, and the working accuracy of the pneumoperitoneum machine is reduced.
Disclosure of Invention
Aiming at the problems, the utility model provides a heating and humidifying pneumoperitoneum machine with external pressure sampling.
The technical scheme adopted by the utility model is as follows:
the utility model provides an external heating humidification pneumoperitoneum machine of pressure sampling, includes pneumoperitoneum machine host computer, air duct and pneumoperitoneum needle, air duct one end with the pneumoperitoneum needle meets, the air duct other end with the pneumoperitoneum machine host computer meets, still includes data collection station (this data collection station is not limited to devices such as pressure sensor), signal line and pressure sensing contact, data collection station sets up on the pneumoperitoneum machine host computer, pressure sensing contact sets up in air duct one end, and pressure sensing contact passes through the signal line data collection station meets, the signal line with the outer wall fixed fit of air duct is in the same place.
In the scheme, the pressure sensing contact is arranged at the pneumoperitoneum needle of the air duct, then pressure data measured by the pressure sensing contact is transmitted to the data collector through the data wire, and the pneumoperitoneum needle is inserted into the abdominal cavity of a patient during use, so that the data measured by the pressure sensing contact is closer to real pressure, and the working accuracy of the pneumoperitoneum machine is improved.
Optionally, the device further comprises a detection tube, wherein the detection tube is fixed on the outer tube wall of the air duct, and the signal wire is positioned in the detection tube.
The specific detection tube has the function of protecting the data line.
Optionally, the pneumoperitoneum machine also comprises a temperature sensor, wherein the temperature sensor is arranged at one end of the air duct and is positioned at the pneumoperitoneum needle, and the temperature sensor is connected with the pneumoperitoneum machine host machine through a signal wire.
The temperature sensor is used for monitoring the temperature of the carbon dioxide gas flowing out of the air duct, and the temperature data is transmitted to the pneumoperitoneum machine host after being measured by the temperature sensor.
Optionally, the air guide pipe further comprises a heating wire, wherein the heating wire is wound on the outer pipe wall of the air guide pipe.
The heating wire is used for heating the air duct when needed, so as to adjust the temperature of the air (carbon dioxide) in the air duct.
Optionally, the pneumoperitoneum treatment device further comprises a humidifying cup, one end of the humidifying cup is connected with an air outlet pipe in the pneumoperitoneum treatment device host, and the air guide pipe is connected with the humidifying cup.
The humidifying cup is used for humidifying the carbon dioxide gas flowing through.
Optionally, a heater is installed on an air outlet pipe in the pneumoperitoneum machine main machine.
The air (carbon dioxide) flowing through the air outlet pipe of the main machine of the pneumoperitoneum machine is heated by the action of the heater.
Optionally, an electromagnetic proportional valve is installed on an air outlet pipe of the pneumoperitoneum machine main machine.
The electromagnetic proportional valve can regulate and control the air outlet quantity flowing through the pneumoperitoneum machine main machine by controlling the opening and closing quantity, thereby realizing the regulation and control of the air outlet quantity.
Optionally, the electromagnetic proportional valve is located in a pneumoperitoneum machine main machine.
The specific temperature sensor and the data acquisition device transmit acquired data to the pneumoperitoneum machine host, and then the pneumoperitoneum machine host adjusts the switch of the electromagnetic proportional valve, the switch of the heater and the switch of the heating wire according to the data.
The beneficial effects of the utility model are as follows: the pressure sensing contact is arranged at the pneumoperitoneum needle of the air duct, then pressure data measured by the pressure sensing contact is transmitted to the data acquisition device through the data wire, and the pneumoperitoneum needle is inserted into the abdominal cavity of a patient during use, so that the data measured by the pressure sensing contact is closer to real pressure, and the working accuracy of the pneumoperitoneum machine is improved.
Description of the drawings:
FIG. 1 is a schematic diagram of a heating and humidifying pneumoperitoneum machine with external pressure sampling;
fig. 2 is a schematic diagram of the working principle of the heating and humidifying pneumoperitoneum machine with external pressure sampling.
The reference numerals in the drawings are as follows: 1. a heater; 2. a humidifier; 31. a heating wire; 32. a temperature sensor; 41. a pressure sensing contact; 42. a data line; 4. a detection tube; 5. pneumoperitoneum needle; 6. pneumoperitoneum machine main machine; 601. a data collector; 602. an electromagnetic proportional valve; 603. and an air outlet pipe.
The specific embodiment is as follows:
the present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the heating and humidifying pneumoperitoneum machine with proximal sampling according to the present utility model mainly comprises a pneumoperitoneum machine host 6 (including a data collector 601 and an electromagnetic proportional valve 602), a heater 1, a humidifying cup 2, an air duct 3 (including a heating wire 31 and a temperature sensor 32), a detection tube 4 (including an induction contact 41 and a signal wire 42), and a pneumoperitoneum needle 5.
The pneumoperitoneum machine main machine 6 is externally connected with a carbon dioxide gas source, a heater 1 is arranged on a gas outlet pipe 603 on the pneumoperitoneum machine main machine 6, and after the carbon dioxide gas enters the pneumoperitoneum machine main machine 6, the carbon dioxide gas is controlled and regulated in a matched mode through an electromagnetic proportional valve 602 and a data collector 601 and is output to the heater 1 at preset pressure and capacity; the heater 1 is connected with an air outlet pipe 603 of a pneumoperitoneum machine main machine 6, a humidifying cup 2 is connected to the air outlet pipe 603, and after carbon dioxide gas reaches the heater 1 through the pneumoperitoneum machine main machine, primary heating is carried out in the heater 1 to a preset temperature (usually about 37 ℃ for the abdominal cavity of a human body) and then the carbon dioxide gas is output to the humidifying cup 2; one end of the humidifying cup 2 is connected with the air duct 3, and can humidify carbon dioxide gas, and the carbon dioxide gas is output to the air duct 3 after being humidified by the humidifying cup 2; one end of the air duct 3 is connected with the humidifying cup 2, the other end is connected with the pneumoperitoneum needle 5, a heating wire 31 is wound in the air duct, a temperature sensor 32 is arranged at the outlet, and because the carbon dioxide possibly has temperature loss in the conveying process, when the temperature sensor 32 detects that the carbon dioxide temperature is lower than the specified temperature by more than 5%, the heating wire 31 starts to heat so that the carbon dioxide temperature reaches the specified temperature, and the carbon dioxide is output to the pneumoperitoneum needle 5 after being heated and heat-preserved through the air duct 3; the pneumoperitoneum needle 5 has three ends, one end is connected with the air duct 3, the other end is connected with the detection tube 4, the detection tube 4 is fixed on the outer wall of the air duct 3, the signal wire 42 is positioned in the detection tube, and one end is a gas output port, and carbon dioxide gas is output to the abdominal cavity of a patient through the pneumoperitoneum needle 5 after being heated and humidified by the heater 1, the humidifying cup 2 and the heat preservation tube 3; one end of the detection tube 4 is connected with a data collector 601 in the pneumoperitoneum host 6, one end of the detection tube is connected with the pneumoperitoneum needle 5, an inductive contact 41 and a signal wire 42 are arranged in the detection tube, the inductive contact 41 positioned at the joint of the detection tube 4 and the pneumoperitoneum needle 5 collects pressure signals in the pneumoperitoneum needle 5 (near end of a patient), and the collected pressure signals are transmitted to the data collector 601 through the signal wire 42, so that real-time monitoring of near-end pressure is achieved.
Fig. 2 is an overall workflow diagram of the present humidified pneumoperitoneum machine. The pneumoperitoneum machine comprises the following working steps:
step one: the carbon dioxide gas is conveyed to the pneumoperitoneum machine host 6 through a gas source, and the pneumoperitoneum machine host 6 controls the carbon dioxide gas by utilizing the data collector 601 and the electromagnetic proportional valve 602 according to the set pressure flow, so that the pressure flow can accurately reach the set value and is output to the heater 1;
step two: after the carbon dioxide gas reaches the heater 1, the heater 1 carries out primary heating according to a preset temperature (usually about 37 ℃ for the abdominal cavity of a human body), and outputs the carbon dioxide gas to the humidifying cup 2 after reaching the preset temperature;
step three: after the carbon dioxide gas reaches the humidifying cup 2, the humidifying cup 2 carries out humidifying treatment on the carbon dioxide gas, and then the carbon dioxide gas is conveyed to the air duct 3;
step four: after the carbon dioxide gas reaches the gas guide tube 3, the temperature sensor 32 detects the temperature of the gas guide tube 3 at the outlet, and when the detected gas temperature is lower than a set value, the heating wire 31 carries out secondary heating on the gas guide tube and then outputs the gas to the pneumoperitoneum needle 5;
step five: after the carbon dioxide gas reaches the pneumoperitoneum needle 5, the sensing contact 41 in the detection tube 4 can sample the pressure in the pneumoperitoneum needle 5 (the near end of the abdominal cavity of the patient), the collected pressure signal is transmitted to the data collector 601 through the signal wire 42, the data collector 601 feeds back the near end pressure of the abdominal cavity of the patient to the pneumoperitoneum machine host 6, and the after-pneumoperitoneum machine host 6 controls the electromagnetic proportional valve 602 to correspondingly regulate the gas, so that the accurate control of the pressure is realized;
step six: after reaching the pneumoperitoneum needle 5, the carbon dioxide gas is finally delivered to the abdominal cavity of the patient through the pneumoperitoneum needle 5.
In this embodiment, the direction of the arrow in fig. 2 is the direction of the air flow, so the lines with the arrow in fig. 2 are the direction of the air flow, and the lines on both sides of the direction of the air flow represent the meaning of data transmission between the two.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the utility model, but is intended to cover all equivalent modifications, direct or indirect, as would be included in the scope of the utility model.
Claims (8)
1. The utility model provides an external heating humidification pneumoperitoneum machine of pressure sampling, includes pneumoperitoneum machine host computer, air duct and pneumoperitoneum needle, air duct one end with the pneumoperitoneum needle meets, the air duct other end with the pneumoperitoneum machine host computer meets, its characterized in that still includes data acquisition unit, signal line and pressure sensing contact, data acquisition unit sets up on the pneumoperitoneum machine host computer, pressure sensing contact sets up in air duct one end, and pressure sensing contact passes through the signal line data acquisition unit meets, the signal line with the outer wall fixed fit of air duct is in the same place.
2. The pressure sampling external heating and humidifying pneumoperitoneum machine of claim 1, further comprising a detection tube, wherein the detection tube is fixed on the outer tube wall of the air duct, and the signal wire is positioned in the detection tube.
3. The pressure sampling external heating and humidifying pneumoperitoneum machine according to claim 1, further comprising a temperature sensor, wherein the temperature sensor is arranged at one end of the air duct and is positioned at a pneumoperitoneum needle, and the temperature sensor is connected with the pneumoperitoneum machine host machine through a signal wire.
4. The pressure sampling external heating and humidifying pneumoperitoneum machine of claim 1, further comprising a heating wire wound on the outer tube wall of the air duct.
5. The pressure sampling external heating and humidifying pneumoperitoneum machine as claimed in claim 1, further comprising a humidifying cup, wherein one end of the humidifying cup is connected with an air outlet pipe in a main machine of the pneumoperitoneum machine, and the air guide pipe is connected with the humidifying cup.
6. The pressure sampling external heating and humidifying pneumoperitoneum machine as claimed in claim 1, wherein a heater is arranged on an air outlet pipe in a main machine of the pneumoperitoneum machine.
7. The pressure sampling external heating and humidifying pneumoperitoneum machine according to claim 5 or 6, wherein an air outlet pipe of the pneumoperitoneum machine main machine is provided with an electromagnetic proportional valve.
8. The pressure sampling external heating and humidifying pneumoperitoneum machine according to claim 7, wherein the electromagnetic proportional valve is located in a pneumoperitoneum machine main machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890137.1U CN219229979U (en) | 2022-10-28 | 2022-10-28 | Heating and humidifying pneumoperitoneum machine with external pressure sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222890137.1U CN219229979U (en) | 2022-10-28 | 2022-10-28 | Heating and humidifying pneumoperitoneum machine with external pressure sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219229979U true CN219229979U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222890137.1U Active CN219229979U (en) | 2022-10-28 | 2022-10-28 | Heating and humidifying pneumoperitoneum machine with external pressure sampling |
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| Country | Link |
|---|---|
| CN (1) | CN219229979U (en) |
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2022
- 2022-10-28 CN CN202222890137.1U patent/CN219229979U/en active Active
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