Microwave ablation needle air tightness detection device

Abstract

The utility model provides an air tightness detection device for a microwave ablation needle, and relates to the technical field of medical instruments. The microwave ablation needle air tightness detection device comprises a shell; the ventilation assembly comprises a ventilation pipeline and an electromagnetic valve arranged on the ventilation pipeline, the ventilation pipeline and the electromagnetic valve are arranged in the shell, one end of the ventilation pipeline is communicated with an air source, and the other end of the ventilation pipeline is used for installing a target ablation needle; the control assembly is located on the surface of the shell, the control assembly is electrically connected with the electromagnetic valve, and the control assembly is used for controlling the electromagnetic valve to be opened so as to carry out air tightness detection operation on the target ablation needle, so that the detection process can be carried out according to preset parameters, errors caused by uncertainty of manual operation are avoided, and the detection accuracy is improved. The problems of low detection efficiency, insufficient accuracy and complex operation in the prior art are effectively solved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically, to a microwave ablation needle airtightness testing device. Background Technology

[0002] In recent years, with the continuous development and popularization of minimally invasive surgical techniques, disposable microwave ablation needles have played an important role as medical devices in fields such as tumor treatment and pain management. Microwave ablation needles emit microwave energy to induce a thermal effect in tumor tissue or pain nerves, thereby achieving local tissue ablation. They offer advantages such as minimal trauma, rapid recovery, and fewer complications.

[0003] In the production and use of disposable microwave ablation needles, airtightness is one of the key indicators affecting their performance and safety. During surgery, the ablation needle needs to be effectively cooled by a cooling water circulation system to prevent thermal damage to surrounding healthy tissue from microwave energy. The integrity of the cooling water circulation system directly determines the airtightness and cooling effect of the ablation needle, thus affecting the safety and effectiveness of the surgery. If the ablation needle and its accessories have airtightness issues, it will lead to leakage of cooling water during surgery, which may not only cause surgical failure but also increase surgical risks and even lead to medical accidents.

[0004] Currently, the airtightness of disposable microwave ablation needles is mainly tested manually or with simple airtightness testing devices, but these methods have the following problems:

[0005] Inefficient: Manual inspection is time-consuming, cannot meet the needs of large-scale production, and is easily affected by human factors.

[0006] Insufficient accuracy: The detection accuracy of the simple testing device is limited, and it cannot accurately determine whether the airtightness of the microwave ablation needle meets the high standard requirements.

[0007] Safety concerns: During manual inspection, operators may not be able to accurately identify minute leaks, leading to defective products entering the market and increasing the risks of clinical procedures.

[0008] No effective solution has yet been proposed to address the aforementioned technical issues. Utility Model Content

[0009] The main objective of this invention is to provide a microwave ablation needle airtightness testing device to solve the problems of insufficient accuracy and safety in the airtightness testing of ablation needles in the prior art.

[0010] To achieve the above objectives, a microwave ablation needle airtightness testing device is provided. The device includes: a housing; a ventilation assembly comprising a ventilation pipe and a solenoid valve disposed on the ventilation pipe, the ventilation pipe and the solenoid valve being housed within the housing, one end of the ventilation pipe being connected to a gas source, and the other end being used to mount the target ablation needle; and a control assembly located on the surface of the housing, electrically connected to the solenoid valve, the control assembly controlling the opening of the solenoid valve to perform airtightness testing on the target ablation needle.

[0011] Furthermore, the ventilation assembly also includes a detection unit located on the housing, which is used to perform airtightness testing on the target ablation needle.

[0012] Furthermore, the detection unit includes a pressure regulating valve, which is mounted on the housing and located at the front end of the solenoid valve. The pressure regulating valve is used to control the gas pressure entering the ventilation pipeline to a preset value.

[0013] Furthermore, the testing unit also includes: a pressure gauge, which is connected to the air supply line of the pressure regulating valve. The pressure gauge is used to display the gas pressure value in the flow line of the target ablation needle during the airtightness testing operation.

[0014] Furthermore, the ventilation assembly also includes: an air inlet connector, which is located on one side of the housing, with one end of the air inlet connector connected to the first end of the ventilation pipeline and the other end of the air inlet connector connected to the air source; and an air outlet connector, which is located on the other side of the housing, with one end of the air outlet connector connected to the second end of the ventilation pipeline and the other end of the air outlet connector connected to the target ablation needle.

[0015] Furthermore, the control components include: a power socket located on one side of the housing; a start switch located on the other side of the housing; and a relay located on the other side of the housing, arranged adjacent to the start switch, and electrically connected to the start switch and the solenoid valve.

[0016] Furthermore, the control components also include: a foot switch, which is connected in parallel with the start switch, and the foot switch is electrically connected to the relay via a data line.

[0017] Furthermore, the control components include: a main switch, which is located on one side of the housing and is electrically connected to a power socket and a start switch.

[0018] Furthermore, the control components include: an indicator light, which is disposed on the housing and electrically connected to the start switch.

[0019] Furthermore, the housing includes an upper shell, a lower shell, a front baffle, and a rear baffle. The upper shell, lower shell, front baffle, and rear baffle enclose a receiving space, and part of the ventilation components are located within the receiving space.

[0020] By applying the technical solution of this utility model, a ventilation component is set, including a ventilation pipeline and a solenoid valve installed on the ventilation pipeline. One end of the ventilation pipeline is connected to an external air source to ensure a stable pressure supply. The other end of the ventilation pipeline has a reserved installation position for installing the target ablation needle to be tested, ensuring the stability and sealing of the airflow path during the testing process. The control component is located on the outer surface of the housing, which is convenient for the operator to operate intuitively. The control component is electrically connected to the solenoid valve. When the operator starts the control component, its internal circuit signal is quickly transmitted to the solenoid valve, causing the solenoid valve to open, thereby guiding compressed air into the ablation needle to form the air pressure environment required for testing. This allows the testing process to be carried out according to preset parameters, avoiding errors caused by the uncertainty of manual operation. It effectively solves the problems of low testing efficiency, insufficient accuracy and complex operation in the prior art. Attached Figure Description

[0021] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0022] Figure 1 A schematic diagram of the structure of a first embodiment of the microwave ablation needle airtightness testing device according to the present invention is shown.

[0023] Figure 2 An exploded structural schematic diagram of a first embodiment of the microwave ablation needle airtightness testing device according to the present invention is shown.

[0024] Figure 3 A schematic diagram of a second embodiment of the microwave ablation needle airtightness testing device according to the present invention is shown;

[0025] Figure 4 An exploded structural diagram of a second embodiment of the microwave ablation needle airtightness testing device according to the present invention is shown.

[0026] Figure 5 A schematic diagram of the electrical control principle of the microwave ablation needle airtightness testing device according to the present invention is shown;

[0027] Figure 6 A schematic diagram of the hardware control principle of the microwave ablation needle airtightness detection device according to the present invention is shown.

[0028] The above figures include the following reference numerals:

[0029] 10. Housing; 11. Upper housing; 12. Lower housing; 13. Front baffle; 14. Rear baffle; 15. Fastening screws;

[0030] 20. Ventilation assembly; 21. Solenoid valve; 22. Detection unit; 221. Pressure regulating valve; 222. Pressure gauge; 23. Air inlet connector; 24. Air outlet connector;

[0031] 30. Control components; 31. Power socket; 32. Start switch; 33. Relay; 34. Foot switch; 35. Main switch; 36. Indicator light. Detailed Implementation

[0032] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0034] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that the embodiments of this application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0035] Exemplary embodiments according to this application will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of this application is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art. In the drawings, for clarity, the thickness of layers and regions may be exaggerated, and the same reference numerals are used to denote the same devices, and therefore their description will be omitted.

[0036] Combination Figures 1 to 4As shown in the figure, a microwave ablation needle airtightness testing device is provided according to a specific embodiment of the present invention.

[0037] Specifically, such as Figure 1 , Figure 2 As shown, the microwave ablation needle airtightness testing device includes: a housing 10; a ventilation assembly 20, which includes a ventilation pipe and a solenoid valve 21 disposed on the ventilation pipe, the ventilation pipe and the solenoid valve 21 being disposed inside the housing 10, one end of the ventilation pipe being connected to a gas source, and the other end of the ventilation pipe being used to install the target ablation needle; and a control assembly 30, which is located on the surface of the housing 10 and is electrically connected to the solenoid valve 21. The control assembly 30 is used to control the solenoid valve 21 to open, so as to perform airtightness testing on the target ablation needle.

[0038] In this embodiment, the ventilation component 20 includes a ventilation pipe and a solenoid valve 21 installed on the ventilation pipe. One end of the ventilation pipe is connected to an external air source to ensure a stable pressure supply. The other end of the ventilation pipe has a reserved installation position for installing the target ablation needle to be tested, ensuring the stability and sealing of the airflow path during the testing process. The control component 30 is located on the outer surface of the housing 10, which is convenient for the operator to operate intuitively. The control component 30 is electrically connected to the solenoid valve 21. When the operator starts the control component 30, the circuit signal inside it will be quickly transmitted to the solenoid valve 21, causing the solenoid valve 21 to open, thereby guiding compressed air into the ablation needle to form the air pressure environment required for testing. This avoids errors caused by the uncertainty of manual operation and effectively solves the problems of low detection efficiency, insufficient accuracy and complex operation in the prior art.

[0039] It should be noted that when the target ablation needle is placed in water, the presence of bubbles indicates poor airtightness of the target ablation needle, while the absence of bubbles indicates good airtightness.

[0040] Furthermore, the ventilation assembly 20 also includes a detection unit 22, located on the housing 10. The detection unit 22 is used to perform airtightness testing on the target ablation needle. The detection unit 22 can accurately measure the air pressure change of the microwave ablation needle during the testing process. Placing the detection unit 22 on the housing 10 allows the operator to perform the testing operation conveniently and quickly, without the need for additional instruments or complex operating procedures. This integrated design simplifies the testing process and reduces the possibility of operational errors.

[0041] like Figure 3 , Figure 4 As shown, the detection unit 22 includes a pressure regulating valve 221, which is disposed on the housing 10 and located at the front end of the solenoid valve 21. The pressure regulating valve 221 is used to control the gas pressure of the gas entering the ventilation pipeline to a preset value.

[0042] Specifically, the pressure regulating valve 221 is mounted on the housing 10 and located in front of the solenoid valve 21. This arrangement allows it to directly and effectively regulate the gas pressure at the inlet end of the ventilation line, ensuring that the preset test pressure value is reached. This step is crucial for the accuracy and effectiveness of subsequent airtightness testing, as it eliminates test errors caused by pressure fluctuations, ensuring that each test is conducted under identical conditions, thus obtaining comparable and reliable test data. Simultaneously, the pressure regulating valve 221 allows the operator to pre-set the ideal test pressure, eliminating the need for pressure recalibration for each test, simplifying the testing process, saving operation time, and significantly improving testing efficiency.

[0043] Furthermore, the detection unit 22 also includes a pressure gauge 222, which is connected to the air supply line of the pressure regulating valve 221. The pressure gauge 222 is used to display the gas pressure value in the flow line of the target ablation needle during the air tightness detection operation.

[0044] Specifically, the pressure gauge 222 is used to display the pressure value of the air after passing through the pressure regulating valve 221, ensuring that the air pressure value entering the ablation needle reaches the preset value.

[0045] Furthermore, the ventilation assembly 20 also includes: an air inlet connector 23, which is disposed on one side of the housing 10, with one end of the air inlet connector 23 connected to the first end of the ventilation pipeline and the other end of the air inlet connector 23 connected to the air source; and an air outlet connector 24, which is disposed on the other side of the housing 10, with one end of the air outlet connector 24 connected to the second end of the ventilation pipeline and the other end of the air outlet connector 24 connected to the target ablation needle.

[0046] Specifically, the layout of the inlet connector 23 and outlet connector 24 ensures that the airflow enters the detection device from the external air source and then travels to the target ablation needle in a clear, direct, and efficient manner, reducing resistance in gas flow and guaranteeing rapid pressure establishment and stabilization. Positioning the inlet connector 23 and outlet connector 24 on both sides of the housing allows the operator to easily connect the air source and the target ablation needle without having to go around to the back or bottom of the device for wiring connections, simplifying the operation process and improving ease of use and efficiency. At the same time, this design also facilitates rapid deployment and reconfiguration of the equipment to meet the needs of different detection scenarios.

[0047] Furthermore, the control component 30 includes: a power socket 31, which is disposed on one side of the housing 10; a start switch 32, which is disposed on the other side of the housing 10; and a relay 33, which is disposed on the other side of the housing 10 and is disposed adjacent to the start switch 32. The relay 33 is electrically connected to the start switch 32 and the solenoid valve 21.

[0048] Specifically, the power socket 31 is used to connect the power supply, so that the device is powered on. Then, the start switch 32 is turned on, the relay 33 starts to work, and the relay 33 will transmit a signal to the solenoid valve 21. After receiving the signal, the solenoid valve 21 will open the valve to allow compressed air to pass through. After the compressed air flows through the solenoid valve 21, it is output to the target product (disposable microwave ablation needle) through the air outlet connector 24 to perform air tightness testing on the target product.

[0049] The adjacent arrangement of the start switch 32 and relay 33 ensures that the response time from when the operator triggers the start signal to when the relay 33 receives the command and activates the solenoid valve 21 is minimized. This tight electrical connection directly improves the accuracy and responsiveness of the control.

[0050] In this embodiment, relay 33 is an electronic digital display relay with a minimum resolution of 1 second and the time can be adjusted at any time as needed, which can achieve precise control of the opening and closing of solenoid valve 21.

[0051] In another alternative embodiment, the control component 30 further includes a foot switch 34, which is connected in parallel with the start switch 32, and the foot switch 34 is electrically connected to the relay 33 via a data line.

[0052] Specifically, the foot switch 34 has the same function as the start switch 32. The power socket 31 is used to connect the power supply so that the device is powered on. Then, when the foot switch 34 is turned on, the relay 33 starts to work. The relay 33 will transmit a signal to the solenoid valve 21. After receiving the signal, the solenoid valve 21 will open the valve to allow compressed air to pass through. After the compressed air flows through the solenoid valve 21, it is output to the target product (disposable microwave ablation needle) through the air outlet connector 24 to perform air tightness testing on the target product.

[0053] The foot switch 34 provides an alternative operating method to the manual start switch 32. The operator can choose to operate the start switch 32 with their hand or the foot switch 34. This diversified operating method adapts to the needs of different operating habits and operating environments, improves the flexibility of operation, effectively reduces hand fatigue, and improves work efficiency and comfort.

[0054] In another alternative embodiment, the control component 30 includes a main switch 35, which is disposed on one side of the housing 10 and is electrically connected to the power socket 31 and the start switch.

[0055] Specifically, the main switch 35 enables the operator to quickly cut off the power to the equipment through a single control point. Whether it is necessary to stop the equipment operation immediately in an emergency or to disconnect the power supply for energy saving and safety purposes during non-working hours, the main switch provides a simple and quick operating method, which significantly enhances the safety performance of the equipment.

[0056] Furthermore, the control component 30 includes an indicator light 36, which is disposed on the housing 10 and electrically connected to the start switch 32. The indicator light 36 can intuitively display the operating status of the device, and illuminates when the start switch 32 is activated.

[0057] Furthermore, the housing 10 includes an upper housing 11, a lower housing 12, a front baffle 13, and a rear baffle 14. The upper housing 11, lower housing 12, front baffle 13, and rear baffle 14 enclose a receiving space, and a portion of the ventilation assembly 20 is located within the receiving space.

[0058] like Figure 1 , Figure 2 As shown, the first embodiment of the airtightness testing device for the microwave ablation needle based on this application provides an assembly method, specifically: first, the air inlet connector 23 and the power socket 31 are fixed on the rear baffle 14 to form a rear baffle assembly. Then, the air outlet connector 24, the start switch 32, and the relay 33 are fixed on the front baffle 13 to form a front baffle assembly. The front baffle assembly and the rear baffle assembly are respectively snapped into the lower shell 12, the solenoid valve 21 is installed, the wires and air pipes are connected, the upper shell 11 is closed, and the upper shell 11 and the lower shell 12 are completely fixed using the fastening screws 15.

[0059] like Figure 3 , Figure 4 As shown, a second embodiment of the microwave ablation needle airtightness testing device based on this application provides an assembly method, specifically: first, the air inlet connector 23, power socket 31, and pressure regulating valve 221 are fixed on the rear baffle 14; the cable of the foot switch 34 is passed through the reserved hole in the rear baffle 14 to form a rear baffle assembly. Then, the air outlet connector 24, pressure gauge 222, start switch 32, relay 33, main switch 35, and indicator light 36 are fixed on the front baffle 13 to form a front baffle assembly. According to the electrical control schematic diagram (… Figure 5 ) and hardware control schematic ( Figure 6 After connecting all components, insert the front and rear baffle assemblies into the lower housing 12, install and secure the solenoid valve 21, and then use the fastening screws 15 to completely fix the upper housing 11 and the lower housing 12 after closing the upper housing 11.

[0060] The working principle of the airtightness testing device for the microwave ablation needle in this application is as follows:

[0061] After connecting the air source through the air inlet connector 23 and the power supply through the power socket 31, turn on the button of the main switch 35, press the start switch 32 or step on the foot switch 34. At this time, the relay 33 starts to work and transmits a signal to the solenoid valve 21. After receiving the signal, the solenoid valve 21 opens to allow compressed air to pass through. After the compressed air flows through the solenoid valve 21, it is output to the target product (disposable microwave ablation needle) through the air outlet connector 24 to perform air tightness testing on the target product.

[0062] According to another aspect of the present invention, a method for detecting the airtightness of a microwave ablation needle is provided, the method comprising the following steps:

[0063] Step 1, Preparation Stage: First, ensure that all components of the equipment are correctly assembled and that the power and air supply are connected. Turn on the main switch 35 to provide the necessary power supply to the equipment.

[0064] Step 2: Set parameters: Use pressure regulating valve 221 and pressure gauge 222 to adjust the pressure of the compressed air entering the system to ensure that it reaches the expected test pressure standard, so that sufficient pressure can be generated inside the microwave ablation needle for testing.

[0065] Step 3, Start the test: The operator can start the test process using the start switch 32 or the foot switch 34. Once the start signal is sent, the relay 33 is activated, which sends a signal to the solenoid valve 21, causing the solenoid valve 21 to open and allowing compressed air to flow through.

[0066] Step 4, Airtightness Test: Compressed air passes through solenoid valve 21 and is guided to the microwave ablation needle under test through air outlet connector 24. If the ablation needle and its accessories (cooling circulating water pipe) have good airtightness, the compressed air should be completely sealed inside the ablation needle and will not leak out.

[0067] Step 5, Monitoring and Judgment: During the compressed air injection into the ablation needle, place the ablation needle or its accessories in tap water and observe whether air bubbles are generated. If air bubbles are generated, it indicates poor airtightness of the ablation needle or its accessories. Conversely, if no air bubbles are generated, it indicates good airtightness.

[0068] Step Six: Result Confirmation: If no bubbles are generated during the entire test, the airtightness of the ablation needle can be considered to meet the standard. If there is a leak, the ablation needle and related accessories need to be inspected, and necessary repairs or replacements should be performed.

[0069] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0070] In addition to the above, it should be noted that the terms "one embodiment," "another embodiment," and "embodiment" used in this specification refer to specific features, structures, or characteristics described in connection with that embodiment, which are included in at least one embodiment described in the general description of this application. The appearance of the same expression in multiple places in the specification does not necessarily refer to the same embodiment. Furthermore, when a specific feature, structure, or characteristic is described in connection with any embodiment, the intention is to suggest that implementing such a feature, structure, or characteristic in conjunction with other embodiments also falls within the scope of this utility model.

[0071] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0072] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for detecting the airtightness of a microwave ablation needle, characterized in that, include: Shell (10); Ventilation assembly (20), the ventilation assembly (20) includes a ventilation pipeline and a solenoid valve (21) disposed on the ventilation pipeline. The ventilation pipeline and the solenoid valve (21) are disposed in the housing (10). One end of the ventilation pipeline is connected to a gas source, and the other end of the ventilation pipeline is used to install a target ablation needle. A control component (30) is located on the surface of the housing (10). The control component (30) is electrically connected to the solenoid valve (21). The control component (30) is used to control the solenoid valve (21) to open so as to perform an airtightness test on the target ablation needle.

2. The microwave ablation needle airtightness testing device according to claim 1, characterized in that, The ventilation assembly (20) also includes: The detection unit (22) is located on the housing (10) and is used to perform airtightness testing on the target ablation needle.

3. The microwave ablation needle airtightness testing device according to claim 2, characterized in that, The detection unit (22) includes: Pressure regulating valve (221) is disposed on the housing (10). The pressure regulating valve (221) is located at the front end of the solenoid valve (21). The pressure regulating valve (221) is used to control the gas pressure of the gas entering the ventilation pipeline to a preset value.

4. The microwave ablation needle airtightness testing device according to claim 3, characterized in that, The detection unit (22) also includes: A pressure gauge (222) is connected to the air supply line of the pressure regulating valve (221). The pressure gauge (222) is used to display the gas pressure value in the flow line of the target ablation needle during the air tightness test operation.

5. The microwave ablation needle airtightness testing device according to any one of claims 1-4, characterized in that, The ventilation assembly (20) also includes: An air inlet connector (23) is provided on one side of the housing (10). One end of the air inlet connector (23) is connected to the first end of the ventilation pipe, and the other end of the air inlet connector (23) is connected to the air source. An air outlet connector (24) is provided on the other side of the housing (10). One end of the air outlet connector (24) is connected to the second end of the air passage, and the other end of the air outlet connector (24) is connected to the target ablation needle.

6. The microwave ablation needle airtightness testing device according to any one of claims 1-4, characterized in that, The control component (30) includes: A power socket (31) is disposed on one side of the housing (10); A start switch (32) is provided on the other side of the housing (10); A relay (33) is disposed on the other side of the housing (10). The relay (33) is disposed adjacent to the start switch (32). The relay (33) is electrically connected to the start switch (32) and the solenoid valve (21).

7. The microwave ablation needle airtightness testing device according to claim 6, characterized in that, The control component (30) further includes: A foot switch (34) is provided in parallel with the start switch (32), and the foot switch (34) is electrically connected to the relay (33) via a data line.

8. The microwave ablation needle airtightness testing device according to claim 6, characterized in that, The control component (30) includes: A main switch (35) is located on one side of the housing (10) and is electrically connected to the power socket (31) and the start switch (32).

9. The microwave ablation needle airtightness testing device according to claim 6, characterized in that, The control component (30) includes: Indicator light (36) is disposed on the housing (10) and is electrically connected to the start switch (32).

10. The microwave ablation needle airtightness testing device according to any one of claims 1-4, characterized in that, The housing (10) includes an upper shell (11), a lower shell (12), a front baffle (13), and a rear baffle (14). The upper shell (11), the lower shell (12), the front baffle (13), and the rear baffle (14) enclose a receiving space, and a portion of the ventilation assembly (20) is located within the receiving space.

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