High-frequency electrotome operation device based on liquid cooling heat dissipation

Abstract

The utility model discloses a high-frequency electrotome operation device based on liquid cooling heat dissipation, which belongs to surgical operation instruments, and comprises a host box body and an electrotome electrode, and the electrotome electrode is electrically connected with the host box body through a flexible cable; a liquid cooling plate is arranged in the host box body, and a liquid cooling liquid inlet channel and a liquid cooling liquid outlet channel are formed in the liquid cooling plate; a liquid inlet channel and a liquid outlet channel which are communicated with the liquid cooling liquid inlet channel and the liquid cooling liquid outlet channel are respectively arranged in the flexible cable along the length direction of the flexible cable; the heat exchanger is arranged outside the host box body, the heat exchanger is respectively communicated with the liquid cooling liquid inlet channel and the liquid cooling liquid outlet channel, and cooling liquid flows through the flexible cable and the electrotome electrode along the heat exchanger and the liquid cooling plate and returns to the liquid cooling plate and the heat exchanger to form a circulation path. The heat dissipation capacity of the electrotome main machine and the electrotome electrode is enhanced in a full liquid cooling mode, noise in the operation process is reduced, and the efficiency of the operation process is improved.

Description

Technical Field

[0001] The utility model belongs to surgical instruments, in particular to a high-frequency electric knife surgical device based on liquid cooling and heat dissipation. Background Art

[0002] The high-frequency electrosurgical device is an electrosurgical instrument that replaces the mechanical scalpel for tissue cutting. The high-frequency high-voltage current generated by the effective electrode tip contacts the body and heats the tissue, thereby achieving the separation and coagulation of the body tissue, and finally achieving the purpose of cutting and hemostasis. With the development of medical technology and the improvement of clinical requirements, composite electrosurgical equipment based on high-frequency electrosurgery has made great progress. Since high-frequency electrosurgery directly applies high-frequency current to human tissue, the requirements for its safety are extremely strict. Common high-frequency electrosurgeries usually include a host and a high-frequency electrosurgery electrode that is detachably connected to the host. The high-frequency electrosurgery electrode usually consists of a surgical electrode and a neutral electrode that is arranged in conjunction with it. The host usually includes a shell and components such as a controller, a power amplifier, a filter, and an alarm arranged in the shell. During the operation of the high-frequency electrosurgery, both the host and the electrosurgery electrode will generate a lot of heat. The conventional high-frequency electrosurgery host shell is integrated with a cooling fan for forced air cooling and heat dissipation, which has poor heat dissipation effect and loud noise; or the heat is dissipated through the circuit thermal protection shutdown measure. The abnormal shutdown protection will affect the stability of normal surgery. In addition, the current heat dissipation is aimed at the heat dissipation inside the electrosurgical unit, but cannot dissipate the heat of the surgical blade. Long-term surgery will cause the temperature of the surgical blade to be too high, resulting in adhesions during cutting and damage to components. The heat dissipation of the blade can only be achieved through natural air cooling in the environment, which is inefficient and time-consuming, causing delays in surgery time and reduced surgical quality. Utility Model Content

[0003] Technical problem to be solved: In view of the heat dissipation problem existing in the working process of the high-frequency electrosurgical surgical device in the prior art, the utility model provides a high-frequency electrosurgical surgical device based on liquid cooling, which adopts a full liquid cooling method to enhance the heat dissipation capacity of the electrosurgical main unit and the electrosurgical electrode, thereby improving the efficiency of the surgical process.

[0004] Technical solution: The utility model discloses a high-frequency electrosurgical device based on liquid cooling and heat dissipation, comprising a mainframe box body and an electrosurgical electrode, wherein the electrosurgical electrode is electrically connected to the mainframe box body through a flexible cable;

[0005] The main box body is provided with a liquid cooling plate, and the liquid cooling plate is provided with a liquid cooling liquid inlet channel and a liquid cooling liquid outlet channel; the flexible cable is provided with a liquid inlet channel and a liquid outlet channel connected with the liquid cooling liquid inlet channel and the liquid cooling liquid outlet channel along its length direction;

[0006] It also includes a heat exchanger arranged outside the main box body, which is connected to the liquid cooling inlet channel and the liquid cooling outlet channel respectively. The cooling liquid flows along the heat exchanger, the liquid cooling plate, the flexible cable and the electric knife electrode and returns to the liquid cooling plate and the heat exchanger to form a circulation path.

[0007] Preferably, the front end of the main box body is provided with a plug-in slot for connecting at least one power supply knife electrode, and the plug-in slot is respectively provided with a liquid inlet hole and a liquid outlet hole for the coolant to enter and exit; one end of the flexible cable is provided with a connecting plug, and the connecting plug is respectively provided with plug-in columns connected to the liquid inlet channel and the liquid outlet channel.

[0008] Preferably, the liquid cooling inlet channel is arranged in a reciprocating shape along the liquid cooling plate, and the two ends of the liquid cooling inlet channel form a first liquid cooling inlet port and a first liquid cooling outlet port on the liquid cooling plate; the liquid cooling outlet channel is arranged linearly along the liquid cooling plate, and the two ends of the liquid cooling outlet channel form a second liquid cooling inlet port and a second liquid cooling outlet port on the liquid cooling plate.

[0009] Preferably, the heat exchanger includes a heat exchange box body, and a plurality of heat sinks are connected to at least one side of the heat exchange box body; a heat exchange channel is arranged in the heat exchange box body, and the heat exchange channel forms a heat dissipation liquid inlet port and a heat dissipation liquid outlet port on the heat exchange box body respectively, the heat dissipation liquid inlet port is connected to the second liquid cooling liquid outlet port through an input hose, and the heat dissipation liquid outlet port is connected to the first liquid cooling liquid inlet port through an output hose.

[0010] Preferably, the heat exchange box is provided with a temperature sensor at one side of the heat dissipation liquid inlet port, and a hydraulic pump is provided at the heat dissipation liquid outlet port, and the hydraulic pump is connected to the output hose.

[0011] Preferably, a cooling fan is provided on one side of the heat exchanger corresponding to the heat sink.

[0012] Preferably, a touch screen and a start switch are provided on the front side of the main box body.

[0013] Compared with the prior art, the utility model has at least the following beneficial effects:

[0014] 1. The utility model adopts full liquid cooling to enhance the heat dissipation capacity of the electrosurgical unit and the electrosurgical electrode. The heat dissipation liquid adopts edger oil, which has large specific heat, high heat dissipation efficiency, high insulation coefficient, good arc extinguishing effect, and can perform fixed-point heat dissipation for components with large heat generation, thereby improving the efficiency of the surgical process;

[0015] 2. The heat exchanger adopts a reciprocating heat exchange channel. The heat carried by the high-temperature coolant flowing through the liquid cold plate is exchanged in the heat exchanger, which has a large heat dissipation area. The heat is exchanged with the air through the external heat sink of the heat exchange box body, which can cool the coolant and reduce the working noise of the high-frequency electrosurgical device, thereby protecting the components of the high-frequency electrosurgical device.

[0016] 3. A cooling fan is provided corresponding to the heat exchanger, which can enhance the heat dissipation capacity of the heat exchanger and further improve the heat dissipation efficiency of the high-frequency electrosurgical unit and the electrosurgical electrode. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the high-frequency electrosurgical device of the utility model;

[0018] Figure 2 for Figure 1 Bottom view of the structure of the medium and high frequency electrosurgical unit;

[0019] Figure 3 for Figure 2 A cross-sectional view of the liquid cooling plate structure inside the middle host box;

[0020] Figure 4 for Figure 2 A cross-sectional view of the heat exchanger structure;

[0021] Figure 5 for Figure 1 Radial structural cross-section of a medium-flex cable.

[0022] Figure numerals: 100, high-frequency electrosurgical device; 1, main unit box; 11, touch screen; 12, plug-in slot; 13, start switch; 2, electrosurgical electrode; 3, flexible cable; 31, cable channel; 32, liquid inlet channel; 33, liquid outlet channel; 4, connecting plug; 5, heat exchanger; 51, heat exchange box; 511, heat exchange channel; 512, heat dissipation liquid inlet port; 513, heat dissipation liquid outlet port; 52, heat sink; 6, cooling fan; 7, input hose; 8, output hose; 9, liquid cooling plate; 91, liquid cooling liquid inlet channel; 911, first liquid cooling liquid inlet port; 912, first liquid cooling liquid outlet port; 92, liquid cooling liquid outlet channel; 921, second liquid cooling liquid inlet port; 922, second liquid cooling liquid outlet port. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the following will be combined with the attached Figures 1 to 5The technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the utility model.

[0024] like Figure 1~2 In the illustrated embodiment, the utility model is a high-frequency electrosurgical device based on liquid cooling and heat dissipation. The high-frequency electrosurgical device 100 includes a mainframe box body 1 and an electrosurgical electrode 2. The electrosurgical electrode 2 is electrically connected to the mainframe box body 1 through a flexible cable 3. A controller and power devices such as a power amplifier, a filter, and an alarm electrically connected to the controller are installed in the mainframe box body 1. The controller can use a single-chip microcomputer to realize its functions. The controller is electrically connected to an external power supply. The current output end of the controller amplifies the current through a power amplifier and a filter, and a high-frequency source is connected to the signal receiving end of the power amplifier. The output end of the power amplifier is connected to the electrosurgical electrode 2, and the surgical electrode in the electrosurgical electrode 2 outputs a high-frequency current to perform surgical operations. Chinese patent CN203935271U discloses "a high-frequency electrosurgical device for real-time monitoring and display of neutral electrode temperature", and the patent technology discloses similar high-frequency electrosurgical technology.

[0025] like Figure 3 and Figure 5As shown, a liquid cooling plate 9 is provided in the mainframe box body 1. The liquid cooling plate 9 can be provided at the bottom of the mainframe box body 1. The liquid cooling plate can be made of insulating material. A liquid cooling inlet channel 91 and a liquid cooling outlet channel 92 are provided in the liquid cooling plate 9. Specifically, the liquid cooling inlet channel 91 is arranged in a reciprocating shape along the liquid cooling plate 9. The liquid cooling inlet channel 91 covers most of the area of ​​the liquid cooling plate 9 to meet the cooling and heat dissipation requirements of various electrical components of the mainframe box body 1; the two ends of the liquid cooling inlet channel 91 form a first liquid cooling inlet port 911 and a first liquid cooling outlet port 912 on the liquid cooling plate 9. The liquid cooling outlet channel 92 is linearly arranged along the liquid cooling plate 9, and the liquid cooling outlet channel 92 can be composed of multiple linear flow channels. Since the coolant flowing through the liquid cooling outlet channel 92 has a higher temperature, the linearly arranged liquid cooling outlet channel 92 can reduce the path flowing through the liquid cooling plate 9; the two ends of the liquid cooling outlet channel 92 form a second liquid cooling inlet port 921 and a second liquid cooling outlet port 922 on the liquid cooling plate 9. The flexible cable 3 is provided with a liquid inlet channel 32 and a liquid outlet channel 33 connected to the liquid cooling inlet channel 91 and the liquid cooling outlet channel 92 along its length direction, and a cable channel 31 through which the power supply core passes is provided in the center of the flexible cable 3. A connecting plug 4 is provided at one end of the flexible cable 3, and the connecting plug 4 is provided with plug posts connected to the liquid inlet channel 32 and the liquid outlet channel 33. A plug-in slot 12 for connecting at least one power supply knife electrode 2 is provided at the front end of the mainframe box body 1, and a liquid inlet hole and a liquid outlet hole corresponding to the first liquid cooling outlet port 912 and the second liquid cooling inlet port 921 are respectively provided in the plug-in slot 12, and the connecting plug 4 is correspondingly inserted into the plug-in slot 12 to realize the connection between the flexible cable 3 and the liquid cooling plate 9.

[0026] like Figure 1~2 and Figure 4As shown, the high-frequency electrosurgical device 100 also includes a heat exchanger 5 arranged outside the main body box body 1, and the heat exchanger 5 includes a heat exchange box body 51, and a plurality of heat sinks 52 are connected to at least one side of the heat exchange box body 51; a heat exchange channel 511 is arranged in the heat exchange box body 51, and the heat exchange channel 511 is arranged in a reciprocating manner along the heat exchange box body 51, and the heat exchange channel 511 forms a heat dissipation liquid inlet port 512 and a heat dissipation liquid outlet port 513 on the heat exchange box body 51, respectively, the heat dissipation liquid inlet port 512 is connected to the second liquid cooling liquid outlet port 922 through the input rubber hose 7, and the heat dissipation liquid outlet port 513 is connected to the first liquid cooling liquid inlet port 911 through the output rubber hose 8. The heat exchanger 5 is connected to the liquid cooling inlet channel 91 and the liquid cooling outlet channel 92 respectively. The coolant flows along the heat exchange channel of the heat exchanger 5 and the liquid cooling inlet channel 91 of the liquid cooling plate 9 through the inlet channel 32 of the flexible cable 3 and enters the electrosurgical electrode 2, and flows along the outlet channel 33 of the flexible cable 3 and the liquid cooling outlet channel 92 of the liquid cooling plate into the heat exchange channel 511 of the heat exchanger 5 to form a circulation path. The coolant uses edger oil, which has a large specific heat, high heat dissipation efficiency, high insulation coefficient, and good arc extinguishing effect. It can perform fixed-point heat dissipation for components with large heat generation, and can dissipate heat for the main box body and the electrosurgical electrode; the external heat exchanger adopts a reciprocating heat exchange channel, and the heat carried by the high-temperature coolant flowing through the liquid cooling plate is heat exchanged in the heat exchanger, which has a large heat dissipation area, and heat is exchanged with the air through the external heat sink of the heat exchange box body, so as to cool the coolant, reduce the working noise of the high-frequency electrosurgical surgical device, and protect the components of the high-frequency electrosurgical surgical device.

[0027] In a preferred embodiment, if Figure 1 As shown, a touch screen 11 and a start switch 13 electrically connected to the controller are provided on the front side of the main box body 1. The touch screen 11 is used to implement human-computer interaction and adjust the output frequency of the electrosurgical knife electrode 2 in real time. The start switch 13 can control the opening or closing of the main box body 1.

[0028] In a preferred embodiment, the heat exchange box 51 is provided with a temperature sensor (not shown in the figure) on one side of the heat dissipation liquid inlet port 512, the temperature sensor is electrically connected to the controller in the main box 1, and the temperature of the coolant flowing out of the liquid cooling plate 9 is digitally displayed through the touch screen 11. A hydraulic pump (not shown in the figure) is provided at the heat dissipation liquid outlet port 513, and the hydraulic pump is connected to the output hose 8 to provide power for the coolant to flow in the cooling pipe of the high-frequency electrosurgical surgical device 100.

[0029] In a preferred embodiment, if Figure 1~2 As shown, a cooling fan 6 is provided on one side of the heat exchanger 5 corresponding to the heat sink 52. The cooling fan 6 can enhance the heat dissipation capacity of the heat exchanger 5, thereby improving the heat dissipation efficiency of the high-frequency electrosurgical unit and the electrosurgical electrode.

[0030] The above are preferred implementations of the present utility model. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present utility model. These improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A high-frequency electrosurgical device based on liquid cooling, characterized in that: It comprises a main body box body (1) and an electric knife electrode (2), wherein the electric knife electrode (2) is electrically connected to the main body box body (1) via a flexible cable (3); A liquid cooling plate (9) is arranged in the mainframe box body (1), and a liquid cooling inlet channel (91) and a liquid cooling outlet channel (92) are provided in the liquid cooling plate (9); a liquid inlet channel (32) and a liquid outlet channel (33) are respectively arranged in the flexible cable (3) along its length direction, and are connected to the liquid cooling inlet channel (91) and the liquid cooling outlet channel (92); The invention also comprises a heat exchanger (5) arranged outside the main body box body (1), wherein the heat exchanger (5) is respectively connected to the liquid cooling liquid inlet channel (91) and the liquid cooling liquid outlet channel (92), and the cooling liquid flows along the heat exchanger (5), the liquid cooling plate (9), through the flexible cable (3) and the electrosurgical knife electrode (2), and returns to the liquid cooling plate (9) and the heat exchanger (5), thereby forming a circulation path.

2. The high-frequency electrosurgical device based on liquid cooling according to claim 1, characterized in that: The front end of the mainframe box body (1) is provided with a plugging slot (12) to which at least one power supply knife electrode (2) is connected, and the plugging slot (12) is provided with a liquid inlet hole and a liquid outlet hole for the coolant to enter and exit; one end of the flexible cable (3) is provided with a connecting plug (4), and the connecting plug (4) is provided with plugging columns connected to the liquid inlet channel (32) and the liquid outlet channel (33).

3. The high-frequency electrosurgical device based on liquid cooling according to claim 2, characterized in that: The liquid cooling inlet channel (91) is arranged in a reciprocating shape along the liquid cooling plate (9), and two ends of the liquid cooling inlet channel (91) form a first liquid cooling inlet port (911) and a first liquid cooling outlet port (912) on the liquid cooling plate (9); the liquid cooling outlet channel (92) is arranged linearly along the liquid cooling plate (9), and two ends of the liquid cooling outlet channel (92) form a second liquid cooling inlet port (921) and a second liquid cooling outlet port (922) on the liquid cooling plate (9).

4. The high-frequency electrosurgical device based on liquid cooling and heat dissipation according to claim 3 is characterized in that: The heat exchanger (5) comprises a heat exchange box body (51), and at least one side of the heat exchange box body (51) is connected to a plurality of heat sinks (52); a heat exchange channel (511) is provided in the heat exchange box body (51), and the heat exchange channel (511) forms a heat dissipation liquid inlet port (512) and a heat dissipation liquid outlet port (513) on the heat exchange box body (51), respectively; the heat dissipation liquid inlet port (512) is connected to the second liquid cooling liquid outlet port (922) via an input rubber hose (7), and the heat dissipation liquid outlet port (513) is connected to the first liquid cooling liquid inlet port (911) via an output rubber hose (8).

5. The high-frequency electrosurgical device based on liquid cooling according to claim 4, characterized in that: The heat exchange box (51) is provided with a temperature sensor on one side of the heat dissipation liquid inlet port (512), and a hydraulic pump is provided on the heat dissipation liquid outlet port (513), and the hydraulic pump is connected to the output rubber hose (8).

6. The high-frequency electrosurgical device based on liquid cooling and heat dissipation according to claim 5, characterized in that: A cooling fan (6) is provided on one side of the heat exchanger (5) corresponding to the heat sink (52).

7. The high-frequency electrosurgical device based on liquid cooling according to claim 1, characterized in that: A touch screen (11) and a start switch (13) are provided on the front side of the mainframe box body (1).

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