Efficient pneumoperitoneum machine heating device

Abstract

The utility model relates to an efficient pneumoperitoneum machine heating device, which belongs to the technical field of medical instruments and comprises a case, an internal heating module, an external heating module and a control mainboard, an air inlet hole and an air outlet hole are respectively arranged on two side surfaces of the case, an air inlet joint is detachably connected at the air inlet hole, and an air outlet joint is detachably connected at the air outlet hole; the internal heating module is located in the case, the air inlet end of the internal heating module communicates with the air inlet connector through a first air pipe, and the air outlet end of the internal heating module communicates with the air outlet connector through a second air pipe. The external heating module is located outside the case, and the air inlet end of the external heating module is fixed and communicated with the air outlet connector. The control main board is electrically connected with the air inlet connector, the air outlet connector, the internal heating module and the external heating module. The design constraint of a traditional pneumoperitoneum machine heating device is broken through, the internal heating device and the external heating device are arranged at the same time, inflation gas can be rapidly heated, the preoperative preheating preparation time is shortened, and the controllability of the inflation gas temperature is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to an efficient heating device for a pneumoperitoneum machine. Background Art

[0002] A pneumoperitoneum machine is a special device for establishing and maintaining pneumoperitoneum in endoscopic surgery. It mainly inflates the patient's abdominal cavity by outputting carbon dioxide gas, forms a cavity in the abdominal cavity, and heats the carbon dioxide during the inflation process to obtain a good surgical field of view and operating space, facilitating doctors to perform endoscopic surgery.

[0003] Currently, the heating devices of pneumoperitoneum machines on the market are mainly divided into internal heating devices or external heating devices. First, for the internal heating device, since the pneumoperitoneum tube connecting the internal heating device and the patient's abdomen is too long (generally more than two meters), when the inflated gas passes through the pneumoperitoneum tube, the gas temperature drops significantly, unable to meet the patient's requirements for the temperature of the inflated gas. In addition, the dropped temperature is uncontrollable, posing a safety hazard. Second, for the external heating device, the external heating device is generally an external heater abdominal tube, and its heating time is too long (usually 5 - 8 minutes). When the heating power is increased, the outside of the pneumoperitoneum tube becomes overheated and is easy to contact the skin, resulting in burns.

[0004] Therefore, how to design a heating device for a pneumoperitoneum machine with a compact structure, short preheating time, high heating efficiency and constant temperature control is an urgent problem to be solved by those skilled in the art. Summary of the Utility Model

[0005] The utility model provides an efficient heating device for a pneumoperitoneum machine, which solves the technical problems of low heating efficiency, long preheating time and uncontrollable temperature of the inflated gas of the existing internal heating device or external heating device.

[0006] The technical solution of the utility model to solve the above technical problems is as follows: An efficient heating device for a pneumoperitoneum machine includes: a chassis, an internal heating module, an external heating module and a control main board.

[0007] Air inlet holes and air outlet holes are respectively arranged on two opposite side surfaces of the chassis. An air inlet joint is detachably connected to the air inlet hole, and an air outlet joint is detachably connected to the air outlet hole. The internal heating module is located inside the chassis, and its air inlet end is communicated with the air inlet joint through a first air tube, and its air outlet end is communicated with the air outlet joint through a second air tube. The external heating module is located outside the chassis, and its air inlet end is fixedly connected and communicated with the air outlet joint. The control main board is electrically connected to the air inlet joint, the air outlet joint, the internal heating module and the external heating module respectively.

[0008] The beneficial effects of the present utility model are as follows: It breaks through the design constraints of the traditional insufflator heating device, and has both an internal heating device and an external heating device, which can quickly heat the temperature of the inflation gas, reduce the preoperative preheating preparation time, and improve the controllability of the inflation gas temperature.

[0009] On the basis of the above technical solution, the present utility model can be further improved as follows.

[0010] Furthermore, it further includes a primary pressure reducing valve, a pressure switch, a proportional valve, an electromagnetic solenoid valve, an overpressure relief valve, a flow splitting module, and a gas flow valve that are sequentially installed on the first air pipe along the air flow direction of the first air pipe; the control main board is electrically connected to the primary pressure reducing valve, the pressure switch, the proportional valve, the electromagnetic solenoid valve, the overpressure relief valve, the flow splitting module, and the gas flow valve respectively.

[0011] The beneficial effects of adopting the above are as follows: By connecting the air inlet joint to the control main board, the temperature value is read in real time. When the gas is connected through the air inlet joint, the first air pressure attenuation is carried out by the primary pressure reducing valve, and then the input air source is detected by the pressure switch to see if there is sufficient air pressure. The input proportional valve is used for gas flow regulation and the second air pressure attenuation. Then, it passes through the switch valve and the overpressure relief valve and enters the flow splitting module to be divided into two air paths with a fixed ratio. After the actual flow is measured by the gas flowmeter, it enters the internal heating module for the first rough heating, aiming to quickly improve the gas temperature accuracy requirements.

[0012] Furthermore, it further includes a cooling fan, and one side of the cooling fan corresponding to the internal heating module is fixed inside the chassis; the control main board is electrically connected to the cooling fan.

[0013] The beneficial effects of adopting the above are as follows: By placing the cooling fan on one side of the internal heating module, it can prevent the internal temperature of the chassis from being too high due to the internal heating temperature, thus protecting other electrical components.

[0014] Furthermore, it further includes a pressure sensor, and there is a pneumatic test interface on the internal heating module; the air inlet of the pressure sensor is connected to the pneumatic test interface; the control main board is electrically connected to the pressure sensor.

[0015] The beneficial effects of adopting the above are as follows: By using the pressure sensor and the program algorithm, the intra-abdominal pressure of the human body is detected and calculated in real time to avoid the danger caused by excessive intra-abdominal pressure of the human body.

[0016] Further, it further includes a filter. The external heating module is an electric heating tube. The filter is located outside the chassis, and its air inlet end is fixedly communicated with the air outlet joint. The electric heating tube is located outside the chassis, and its air inlet end is fixedly communicated with the air outlet end of the filter. The control main board is electrically connected to the electric heating tube.

[0017] Further, it further includes a temperature sensing wire harness joint. A power supply interface is provided on the side of the chassis. The temperature sensing wire harness joint is inserted and fixed in the power supply interface, one end of which is electrically connected to the control main board, and the other end is electrically connected to the temperature sensing of the electric heating tube.

[0018] The beneficial effect of the above further aspect is that the temperature of the electric heating tube can be detected in real time by using the temperature sensing wire harness joint, so as to maintain a constant temperature of the inflated gas and improve the intraoperative feeling of the patient. Description of the Drawings

[0019] Figure 1 It is a three-dimensional structural schematic diagram inside a high-efficiency pneumoperitoneum machine heating device of the present invention;

[0020] Figure 2 It is a top view structural schematic diagram inside a high-efficiency pneumoperitoneum machine heating device of the present invention;

[0021] Figure 3 It is a process flow diagram of a high-efficiency pneumoperitoneum machine heating device of the present invention.

[0022] In the drawings, the list of components represented by each reference numeral is as follows:

[0023] 1. Chassis, 2. Internal heating module, 3. External heating module, 31. Electric heating tube, 4. Control main board, 5. Air inlet joint, 6. Air outlet joint, 7. First-stage pressure reducing valve, 8. Pressure switch, 9. Proportional valve, 10. Electromagnetic switch valve, 11. Overpressure relief valve, 12. Shunt module, 13. Gas flow valve, 14. Cooling fan, 15. Touch display screen, 16. Pressure test interface, 17. Temperature sensing wire harness joint; 18. Filter. Detailed Embodiments

[0024] The principles and features of the present invention are described below with reference to the drawings. The examples given are only used to explain the present invention and are not intended to limit the scope of the present invention.

[0025] As Figure 1 and Figure 2 shown, a high-efficiency pneumoperitoneum machine heating device includes: a chassis 1, an internal heating module 2, an external heating module 3 and a control main board 4,

[0026] On opposite sides of the chassis 1, there are respectively an air inlet and an air outlet. An air inlet connector 5 is detachably connected to the air inlet, and an air outlet connector 6 is detachably connected to the air outlet. The internal heating module 2 is located inside the chassis 1, and its air inlet end is connected to the air inlet connector 5 through a first air pipe, and its air outlet end is connected to the air outlet connector 6 through a second air pipe. The external heating module 3 is located outside the chassis 1, and its air inlet end is fixedly connected and communicated with the air outlet connector 6. The control main board 4 is electrically connected to the air inlet connector 5, the air outlet connector 6, the internal heating module 2, and the external heating module 3 respectively.

[0027] In some specific embodiments, it may further include a primary pressure reducing valve 7, a pressure switch 8, a proportional valve 9, an electromagnetic solenoid valve 10, an overpressure relief valve 11, a flow splitting module 12, and a gas flow valve 13 that are sequentially installed on the first air pipe along the air flow direction of the first air pipe. The control main board 4 is electrically connected to the primary pressure reducing valve 7, the pressure switch 8, the proportional valve 9, the electromagnetic solenoid valve 10, the overpressure relief valve 11, the flow splitting module 12, and the gas flow valve 13 respectively.

[0028] In some specific embodiments, it may further include a cooling fan 14, and one side of the cooling fan 14 corresponding to the internal heating module 2 is fixed inside the chassis 1. The control main board 4 is electrically connected to the cooling fan 14.

[0029] In some specific embodiments, it may further include a touch display screen 15, and the touch display screen 15 is fixed on the outer side of the chassis 1. The control main board 4 is electrically connected to the touch display screen.

[0030] In some specific embodiments, it may further include a pressure sensor. There is a pressure test interface 16 on the internal heating module 2. The air inlet of the pressure sensor is connected and communicated at the pressure test interface 16. The control main board 4 is electrically connected to the pressure sensor.

[0031] In some specific embodiments, it further includes a filter 18. The external heating module 3 is an electric heating tube 31. The filter 18 is located outside the chassis 1, and its air inlet end is fixedly connected and communicated to the air outlet connector 6. The electric heating tube 31 is located outside the chassis 1, and its air inlet end is fixedly connected to the air outlet end of the filter 18. The control main board 4 is electrically connected to the electric heating tube 31.

[0032] In some specific embodiments, it may further include a temperature sensing wire harness connector 17. There is a power supply interface on the side of the chassis 1. The temperature sensing wire harness connector 17 is inserted and fixed in the power supply interface, and one end of it is electrically connected to the control main board 4, and the other end is electrically connected to the temperature sensing of the electric heating tube 31.

[0033] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-efficiency insufflator heating device, characterized in that: include: A chassis (1), wherein two opposite sides of the chassis (1) are respectively provided with an air inlet hole and an air outlet hole, wherein the air inlet hole is detachably connected to an air inlet connector (5), and the air outlet hole is detachably connected to an air outlet connector (6); An internal heating module (2), the internal heating module (2) being located inside the chassis (1) and having an air inlet end connected to the air inlet connector (5) via a first air pipe, and an air outlet end connected to the air outlet connector (6) via a second air pipe; An external heating module (3), the external heating module (3) being located outside the chassis (1) and having an air inlet end fixed to and in communication with the air outlet connector (6); A control main board (4), wherein the control main board (4) is electrically connected to the air inlet connector (5), the air outlet connector (6), the internal heating module (2) and the external heating module (3) respectively.

2. The high-efficiency insufflator heating device according to claim 1, characterized in that: It also includes a primary pressure reducing valve (7), an air pressure switch (8), a proportional valve (9), an electromagnetic switch valve (10), an overpressure relief valve (11), a diversion module (12) and a gas flow valve (13) which are sequentially installed on the first air pipe along the air flow direction of the first air pipe; the control main board (4) is electrically connected to the primary pressure reducing valve (7), the air pressure switch (8), the proportional valve (9), the electromagnetic switch valve (10), the overpressure relief valve (11) and the gas flow valve (13) respectively.

3. The high-efficiency insufflator heating device according to claim 1, characterized in that: It also includes a cooling fan (14), wherein the cooling fan (14) is fixed inside the chassis (1) at a side corresponding to the internal heating module (2); and the control mainboard (4) is electrically connected to the cooling fan (14).

4. The high-efficiency insufflator heating device according to claim 1, characterized in that: It also comprises a touch display screen (15), wherein the touch display screen (15) is fixed on the outer side surface of the chassis (1); and the control mainboard (4) is electrically connected to the touch display screen.

5. The high-efficiency insufflator heating device according to claim 1, characterized in that: It also includes a pressure sensor, and the internal heating module (2) is provided with an air pressure test interface (16); the air inlet of the pressure sensor is connected to the air pressure test interface (16); and the control main board (4) is electrically connected to the pressure sensor.

6. The high-efficiency insufflator heating device according to claim 1, characterized in that: It also includes a filter (18), the external heating module (3) is an electric heating pipe (31), the filter (18) is located outside the chassis (1) and its air inlet end is fixedly connected to the air outlet joint (6); the electric heating pipe (31) is located outside the chassis (1) and its air inlet end is fixedly connected to the air outlet end of the filter (18); the control main board (4) is electrically connected to the electric heating pipe (31).

7. The high-efficiency insufflator heating device according to claim 6, characterized in that: It also includes a temperature sensing harness connector (17), and a power interface is provided on the side of the chassis (1); the temperature sensing harness connector (17) is inserted into the power interface and one end of the temperature sensing harness connector (17) is electrically connected to the control main board (4), and the other end of the temperature sensing harness connector is electrically connected to the electric heating tube (31).

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