CN220554518U - Plasma operation electrode with bubble suction function - Google Patents

Abstract

The utility model discloses a plasma operation electrode with a bubble suction function, which comprises a handle and a cutter head assembly, wherein the proximal end part of the cutter head assembly is connected with the handle, the distal end part of the cutter head assembly is provided with a water filling port and a water pumping port, and the cutter head assembly is also provided with a water inlet channel communicated with the water filling port and a water filling channel on the handle and a water pumping channel communicated with the water pumping port and a suction channel on the handle; the tool bit assembly further comprises a bubble suction port and a bubble suction channel, wherein the bubble suction port is positioned between the suction port and the handle and is close to the suction port, and one end of the bubble suction channel is communicated with the bubble suction port. The plasma operation electrode with the bubble suction function enables bubbles generated in the operation process to be effectively removed, reduces interference possibly generated in the operation process, ensures the operation field of a doctor to be clear, improves the operation accuracy, increases the working efficiency and reduces the pain of a patient.

Description

Plasma surgical electrode with bubble suction function

Technical field

The utility model relates to the technical field of medical devices, in particular to a plasma surgical electrode with a bubble suction function.

Background technique

Plasma surgical electrode is an electrosurgical tool that uses low-temperature plasma technology and can be used for surgical procedures such as soft tissue dissection, cutting, ablation, hemostasis and drying. The plasma surgical electrode uses an electric field of a certain frequency to convert the electrolyte (such as physiological saline) between the plasma surgical electrode and the target tissue into a low-temperature plasma state, forming a highly concentrated plasma thin layer at the front end of the surgical electrode. The strong electric field makes The free charged particles in the plasma thin layer obtain enough energy and transfer the energy to the target tissue, dissociating the molecular bonds that constitute the cell components in the target tissue, causing the cells in the target tissue to disintegrate in molecular units and causing coagulation and necrosis of the tissue. , thereby achieving efficient surgical results.

However, some existing plasma surgical electrodes will generate a large number of bubbles during use due to their working principles and characteristics. These bubbles cannot be dissolved in physiological saline, and will accumulate on the surface of physiological saline, forming visual field obstruction and affecting the doctor's surgical efficiency.

Utility model content

To this end, in view of the above-mentioned current state of the art, the present utility model provides a plasma surgical electrode with a bubble suction function, which can suck out the produced bubbles in time, ensuring that the doctor's surgical field is clear and increasing work efficiency. Reduce patient suffering.

In order to solve the above technical problems, the utility model provides a plasma surgical electrode with a bubble suction function, including:

A handle with a water filling channel and a suction channel;

A cutter head assembly has a proximal end and a distal end. The proximal end of the cutter head assembly is connected to the handle. The distal end of the cutter head assembly is provided with a water filling port and a water suction port. The cutter head The component is also provided with a water inlet channel connected to the water filling port and the water filling channel on the handle respectively, and a water pumping channel connected to the water pumping port and the suction channel on the handle respectively;

The cutter head assembly also includes a bubble suction port and a bubble suction channel. The bubble suction port is located between the water suction port and the handle and close to the water suction port. The bubble suction channel One end is connected with the bubble suction port.

The above-mentioned plasma surgical electrode with bubble suction function is provided with a bubble suction port and a bubble suction channel, where one end of the bubble suction channel is connected to the bubble suction port, which allows the bubbles generated during the operation to be It is effectively removed, reducing the possible interference caused by air bubbles during the operation, ensuring that the doctor's surgical field is clear, improving the accuracy of the operation, increasing work efficiency, and reducing patient pain. In addition, the bubble suction port is located between the water suction port and the handle and close to the water suction port. Since the bubbles are usually located at the liquid level, during the surgical cutting process, since the water suction port is located in the liquid, the bubble suction port happens to be close to the bubbles to condense. Where, this design helps to remove air bubbles more effectively.

In one embodiment, the cutter head assembly includes a straight section and a curved section connected in sequence from the proximal end to the distal end, and the bubble suction port is provided at the intersection of the straight section and the curved section. .

In one embodiment, the bubble suction port is located on one side of a plane defined by the center line of the straight section and the center line of the curved section.

In one embodiment, the cutter head assembly includes an inner cutter shank, an outer cutter shank and a bubble suction tube. The inner cutter shank is provided with the water suction channel, and the outer cutter shank is sleeved on the inner cutter shank. rod, and the water inlet channel is formed between the two. The bubble suction pipe is arranged in parallel outside the outer knife bar. The bubble suction pipe is provided with the bubble suction port and the Bubble suction channel.

In one embodiment, the cutter head assembly further includes a fixed sleeve set outside the bubble suction tube and the outer cutter bar.

In one embodiment, the bubble suction tube and the outer cutter bar are fixed by bonding or welding.

In one embodiment, the other end of the bubble suction channel is connected with the suction channel.

In one embodiment, an adapter is further included, and the adapter is used to interconnect the bubble suction channel, the water suction channel, and the suction channel.

In one embodiment, the adapter includes a first interface, a second interface and a third interface that are interconnected and are respectively connected to the bubble suction channel, the water suction channel and the suction channel.

In one embodiment, a filter is provided at the bubble suction port.

The beneficial effects of the additional technical features of the present invention will be described in the specific implementation part of this specification.

Description of drawings

Figure 1 is a schematic cross-sectional structural diagram of a plasma surgical electrode with bubble suction function in one embodiment of the present invention;

Figure 2 is a partial enlarged view of Figure 1 at A;

Figure 3 is a schematic structural diagram of the cutter arbor assembly in Figure 1;

Figure 4 is a partial enlarged view of the cross-section at B in Figure 3;

Figure 5 is a partial enlarged view of Figure 1 at C;

Figure 6 is a schematic cross-sectional structural view of the adapter in Figure 1;

Figure 7 is a schematic structural diagram of a filter in one embodiment of the present invention.

Explanation of reference symbols:

10. Handle; 11. Water injection port; 12. Water suction port; 13. Water injection channel; 14. Suction channel; 20. Cutter head assembly; 201. Straight section; 202. Curved section; 203. Proximal end; 204. Distal end 21. Water inlet channel; 22. Water pumping channel; 23. Bubble suction port; 24. Bubble suction channel; 25. Inner knife holder; 26. External knife holder; 27. Bubble suction tube; 30. Fixed sleeve ; 40. Adapter; 41. First interface; 42. Second interface; 43. Third interface; 50. Filter; 60. Suction tube; 70. Water injection tube; 80. Cable assembly.

Detailed ways

In order to make the above-mentioned purposes, features and advantages of the present utility model more obvious and easy to understand, the specific implementation modes of the present utility model are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the specific details described below are only some embodiments of the present invention, and the present invention can also be implemented in many other embodiments different from those described here. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without any creative work fall within the protection scope of the present utility model.

In this document, when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is said to be "connected" to another element, it can be directly connected to the other element or there may also be intervening elements present. The terms front, back, up, and down involved are defined based on the location of the components in the drawings and the positions of the components relative to each other, just for the sake of clarity and convenience in expressing the technical solution. It should be understood that the use of the locative words shall not limit the scope of protection claimed in this application.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

Referring to Figures 1 to 4, a plasma surgical electrode with bubble suction function in one embodiment of the present invention includes a handle 10 and a cutter head assembly 20. The handle 10 is provided with a water injection channel 13 and a suction channel 14. The cutter head assembly 20 has a proximal end 203 close to the handle 10 and a distal end 204 far away from the handle 10. The proximal end 203 of the cutter head assembly 20 is connected to the handle 10. The distal end 204 of the cutter head assembly 10 is provided with a note. The water inlet 11 and the water suction inlet 12, the cutter head assembly 20 is also provided with a water inlet channel 21 connected with the water inlet 11 and the water injection channel 13 on the handle 10, and a water inlet channel 21 connected with the water inlet 11 and the suction channel 14 on the handle 10. Pumping channel 22. The cutter head assembly 20 also includes a bubble suction port 23 and a bubble suction channel 24. The bubble suction port 23 is located between the water suction port 12 and the handle 10 and is close to the water suction port 12. One end of the bubble suction channel 24 is in contact with the bubbles. The suction port 23 is connected.

The above-mentioned plasma surgical electrode with bubble suction function is provided with a bubble suction port and a bubble suction channel. The bubble suction port 23 is located between the water suction port 12 and the handle 10 and is close to the water suction port 12 . Since bubbles are usually located at the liquid level, during the surgical cutting process, most of the cutter head end surfaces of the cutter head assembly 20 move obliquely, so that the water suction port 12 is located in the liquid, and the bubble suction port 23 is just close to the place where the bubbles condense. place. This design helps to remove air bubbles more effectively, reduces the possible interference caused by air bubbles during the operation, ensures that the doctor's surgical field is clear, improves the accuracy of the operation, increases work efficiency, and reduces patient pain.

Referring to Figure 2, in one embodiment, the cutter head assembly 20 is curved and includes a straight section 201 and a curved section 202 connected in sequence from a proximal end 203 to a distal end 204. The bubble suction port 23 is provided in the straight section. The intersection of 201 and curved section 202. Since bubbles are usually located at the liquid level, the bubble suction port 23 is located at the intersection of the straight section 201 and the curved section 202 so that the bubble suction port is just at the liquid level during surgery, which is conducive to more effective extraction of bubbles. Preferably, the bubble suction port 23 is located on one side of the plane defined by the center line of the straight section 201 and the center line of the curved section 202 . Designed in this way, the bubble suction port 23 is located at the place where bubbles condense on the liquid surface, and can more effectively suck out the bubbles generated during the operation.

Referring to Figure 3, in one embodiment, the cutter head assembly 20 includes an inner cutter shank 25, an outer cutter shank 26 and a bubble suction tube 27. The inner cutter shank 25 is provided with a water suction channel 22, and the outer cutter shank 26 is enclosed by the inner cutter. Rod 25, and the water inlet channel 21 is formed between them. The bubble suction pipe 27 is arranged in parallel outside the outer knife bar 26. The bubble suction pipe 27 is provided with a bubble suction port 23 and Bubble suction channel 24. This design has compact structure, convenient processing and low cost.

In one embodiment, the cutter head assembly 20 further includes a fixing sleeve 30 that is sleeved outside the bubble suction tube 27 and the outer cutter bar 26 . The fixing sleeve 30 plays a role in fixing the bubble suction tube 27 and the outer knife bar 26. As an example, the fixing sleeve 30 can be a heat shrink tube. As an alternative, the bubble suction tube 27 and the outer knife bar 26 are fixed by bonding or welding, which provides a stable structure and ensures the safety of the operation.

Referring to FIG. 6 , in one embodiment, the other end of the bubble suction channel 24 is connected with the suction channel 14 . In this design, in the cutter head assembly 20, the bubble suction channel 24 and the water pumping channel 22 are set up independently, which can avoid blocking the water pumping channel 22. In the handle 10, the bubble suction channel 24 and the water pumping channel 22 are both connected to the suction channel. 14 are connected and share the suction channel 14, which can simplify the structure and allow both bubbles and liquid to be effectively sucked away.

See Figures 5 and 6. In one embodiment, the plasma surgical electrode with bubble suction function also includes an adapter 40. The adapter 40 is used to connect the bubble suction channel 24 and the water pumping channel 22 to each other. The adapter 40 It includes a first interface 41, a second interface 42 and a third interface 43 that are connected to each other and are respectively connected to the bubble suction channel 24, the water suction channel 22 and the suction channel 14 to achieve effective separation and circulation of water and gas.

Referring to Figure 7, in one embodiment, a filter 50 is provided at the bubble suction port 23. This filter 50 can prevent larger solid particles from entering the bubble suction channel, thereby preventing the channel from being blocked and ensuring the surgical process. progressed smoothly.

Referring to Figures 1 and 5 at the same time, in one embodiment, the rear end of the handle 10 is connected to a suction tube 60, a water injection tube 70 and a cable assembly 80. The front end of the suction tube 60 is connected to the suction channel 14, and the water injection tube 70 The front end is connected with the water injection channel 13.

The above-mentioned embodiments only express several implementation modes of the present invention. The descriptions are relatively specific and detailed, but should not be construed as limiting the patent scope of the present invention. It should be noted that for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims (10)

1. A plasma surgical electrode with bubble suction function, including: A handle with a water filling channel and a suction channel; A cutter head assembly has a proximal end and a distal end. The proximal end of the cutter head assembly is connected to the handle. The distal end of the cutter head assembly is provided with a water filling port and a water suction port. The cutter head The component is also provided with a water inlet channel connected to the water filling port and the water filling channel on the handle respectively, and a water pumping channel connected to the water pumping port and the suction channel on the handle respectively; It is characterized in that the cutter head assembly also includes a bubble suction port and a bubble suction channel. The bubble suction port is located between the water suction port and the handle and is close to the water suction port. One end of the bubble suction channel is connected with the bubble suction port. 2. The plasma surgical electrode with bubble suction function according to claim 1, characterized in that the cutter head assembly includes a straight section and a curved section connected in sequence from the proximal end to the distal end, and the bubble suction function The suction port is provided at the intersection of the straight section and the curved section. 3. The plasma surgical electrode with bubble suction function according to claim 2, wherein the bubble suction port is located on a plane defined by the center line of the straight section and the center line of the curved section. side. 4. The plasma surgical electrode with bubble suction function according to any one of claims 1 to 3, characterized in that the cutter head assembly includes an inner cutter shank, an outer cutter shank and a bubble suction tube. The water pumping channel is provided on the inner cutter shank, the outer cutter shank is sheathed on the inner cutter shank, and the water inlet channel is formed between the two, and the bubble suction pipe is arranged in parallel on the outer cutter shank. On the outside of the rod, the bubble suction tube is provided with the bubble suction port and the bubble suction channel. 5. The plasma surgical electrode with bubble suction function according to claim 4, wherein the cutter head assembly further includes a fixed sleeve set outside the bubble suction tube and the outer cutter bar. . 6. The plasma surgical electrode with bubble suction function according to claim 4, wherein the bubble suction tube and the outer blade are fixed by bonding or welding. 7. The plasma surgical electrode with bubble suction function according to any one of claims 1 to 3, characterized in that the other end of the bubble suction channel is connected to the suction channel. 8. The plasma surgical electrode with bubble suction function according to claim 7, further comprising an adapter for connecting the bubble suction channel, the water suction channel and the suction joint. Channels are connected to each other. 9. The plasma surgical electrode with bubble suction function according to claim 8, characterized in that the adapter includes a first interface, a second interface and a third interface that are connected to each other and are respectively connected to the bubble suction function. The suction channel, the water pumping channel and the suction channel are connected. 10. The plasma surgical electrode with bubble suction function according to any one of claims 1 to 3, characterized in that a filter is provided at the bubble suction port.