Disposable high-frequency electrode plate and high-frequency cleaning system
By designing a detachable, disposable sheet-like high-frequency electrode and an electric coil, high-frequency current is used to efficiently clear early-stage cancer lesions, solving the problems of low treatment efficiency and high cost in existing technologies, and achieving low-cost and high-efficiency treatment results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-31
AI Technical Summary
In existing technologies, the use of disposable thermal biopsy forceps in conjunction with high-frequency electrosurgical units to treat early-stage cancer is inefficient and results in high equipment and consumable costs, leading to increased treatment expenses for patients.
A disposable high-frequency electrode sheet is designed, comprising a sheet-shaped electrode sheet body, and a fixing structure that is detachably connected to the loop wire of an electric looper. The electric looper conducts high-frequency high-voltage current, causing the electrode sheet to generate high temperature, thereby efficiently cleaning the lesion.
It enables low-cost and efficient early-stage cancer lesion removal, improves surgical efficiency and success rate, and reduces the economic burden on patients.
Smart Images

Figure CN224056074U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of medical devices, specifically relating to a disposable high-frequency electrode sheet and a high-frequency cleaning system. Background Technology
[0002] In the process of early cancer screening, when an endoscope is used to examine the digestive tract, if early symptoms of cancer are found, high-frequency equipment is usually used to treat the lesions with high temperature.
[0003] The current common treatment plan is to use disposable thermal biopsy forceps in conjunction with a high-frequency electrosurgical unit. For example, a thermal biopsy forceps with clamp function disclosed in Chinese patent document CN222172168U (202420368633.7) can be connected to a high-frequency device through an electrode connector. The forceps head can be used to treat the lesion. However, the treatment efficiency is low because the contact area between the biopsy forceps and the lesion is small.
[0004] In addition, radiofrequency ablation is used to treat early-stage cancer, but the high cost of radiofrequency ablation equipment and consumables increases the treatment expenses for patients. Utility Model Content
[0005] The main objective of this invention is to provide a disposable high-frequency electrode pad and a high-frequency cleaning system. By designing a disposable high-frequency electrode pad, the front end of the electric coil wire is detachably mounted on the mounting surface of the electrode body. This allows the electric coil to electrically heat the electrode body, and the working surface of the disposable high-frequency electrode pad to efficiently clean the lesion. The overall structure is simple and low-cost, and it can be used in conjunction with an endoscope for precise lesion cleaning, effectively improving surgical efficiency and success rate.
[0006] The technical problem to be solved by this utility model is achieved by the following technical solution: a disposable high-frequency electrode sheet, comprising an electrode sheet body;
[0007] The electrode sheet body is sheet-shaped, and the electrode sheet body includes a working surface and a mounting surface that are disposed opposite to each other;
[0008] A fixing structure is provided on the mounting surface;
[0009] The fixing structure is used to connect to the snare wire of the electric snare. The fixing structure is detachably connected to the snare wire of the electric snare.
[0010] In a preferred embodiment of this utility model, the fixing structure includes a hook and a limiting ring arranged parallel to and spaced apart from the hook;
[0011] The hook includes a limiting rod and a limiting part located at the upper end of the limiting rod. Since disposable high-frequency electrode pads require the electric snare to be installed with the endoscope before use, and the electric snare must be removed from the endoscope after use, a hook and limiting ring are provided on the mounting surface. The snare wire is then passed through the limiting ring and hung on the hook, enabling quick connection between the disposable high-frequency electrode pad and the snare wire. This facilitates operation and disassembly, improving surgical efficiency without requiring modification to existing electric snares. Furthermore, the disposable high-frequency electrode pad has a simple structure and low manufacturing cost, allowing for efficient treatment of early-stage cancer using this simple structure.
[0012] In a preferred embodiment of this invention, the limiting part is a cylindrical protrusion coaxially arranged with the limiting rod. After the snare wire passes through the limiting ring, the limiting ring restricts the outward expansion of the snare wire's front end, allowing the snare wire's front end to be securely clamped onto the outside of the limiting rod. The cylindrical protrusion, with an outer diameter larger than the diameter of the limiting rod, prevents the snare wire's front end from detaching from the limiting rod, ensuring safety during surgery.
[0013] Preferably, in this invention, the limiting part is a rod-shaped structure perpendicular to the limiting rod, and the end of the limiting part extends in the opposite direction to the limiting ring. Because the limiting part bends towards the side opposite to the location of the limiting ring, the front end of the loop wire is hung on the limiting rod, forming an L-shaped hook structure between the limiting part and the limiting rod, which effectively prevents the loop wire from falling off the limiting rod.
[0014] Preferably, this invention also includes a threaded sleeve, which is fitted over the outside of the retaining wire and threadedly connected to the limiting ring. For added safety, a threaded sleeve can be fitted over the outside of the retaining wire and threadedly connected to the limiting ring. The inner hole of the threaded sleeve further restricts the movement of the front end of the retaining wire, making the connection between the retaining wire and the disposable high-frequency electrode plate more secure.
[0015] In a preferred embodiment of this invention, the electrode sheet body is a curved panel, and the mounting surface is located on the concave side of the curved panel.
[0016] The corners of the electrode body are rounded. Since the electrode body is a curved panel and the mounting surface is located on the concave side of the curved panel, the loop wire can be placed on the concave side of the electrode body to protect the internal tissues of the human body, while also facilitating the cleaning of the lesion from the working surface; in addition, the rounded corners of the electrode body prevent the sidewalls of the electrode body from damaging the internal tissues of the human body.
[0017] This utility model also discloses a high-frequency cleaning system that utilizes the aforementioned disposable high-frequency electrode sheet. The electric ring is a disposable electric ring, and the fixing structure is detachably connected to the ring wire of the electric ring.
[0018] The electric snare also includes a cable and an outer sheath. The snare wire is disposed at the front end of the cable, and the cable can slide along the axial direction of the outer sheath to control the snare wire to enter and exit the outer sheath.
[0019] The cable can rotate relative to the outer sheath to adjust the orientation of the working surface. The cable can slide along the axial direction of the outer sheath to control the entry and exit of the snare wire, facilitating the installation of the snare wire's front end onto the disposable high-frequency electrode plate; and the cable's rotation relative to the outer sheath to adjust the orientation of the working surface allows for adjustment of the angle of the disposable high-frequency electrode plate, enabling the cleaning of ailments at different angles within the human body.
[0020] Preferably, this invention also includes a high-frequency generating device, which is electrically connected to the sheath wire of the electric snare. By utilizing the electrical connection between the high-frequency generating device and the sheath wire of the electric snare, a high-frequency, high-voltage current is generated, causing the disposable high-frequency electrode to reach high temperatures. The working surface of the disposable high-frequency electrode is then used for efficient cleaning of the affected area.
[0021] Preferably, the high-frequency generating device in this invention is a high-frequency electrosurgical unit. Directly utilizing an existing high-frequency electrosurgical unit as the high-frequency generating device helps to save on equipment costs.
[0022] Preferably, this invention also includes an endoscope, which includes a working channel. The snare wire of the electric snare passes through the working channel and is connected to the fixing structure. To improve the removal efficiency of early-stage cancer lesions, the size of the electrode pad body is larger than the inner diameter of the corresponding working channel of the endoscope. Therefore, it is necessary to pass the outer sheath through the working channel before connecting the snare wire to the electrode pad body. The location of the lesion is confirmed by the endoscope, thereby achieving precise removal of early-stage cancer lesions using disposable high-frequency electrode pads.
[0023] Compared with the prior art, the beneficial effects of this utility model are as follows: The disposable high-frequency electrode sheet of this utility model includes an electrode sheet body; the electrode sheet body is sheet-shaped and includes a working surface and a mounting surface arranged opposite to each other, and a fixing structure is provided on the mounting surface; the fixing structure is connected to the loop wire of the electric ring device, and a high-frequency high-voltage current is passed through the loop wire of the electric ring device, thereby generating a high temperature in the electrode sheet body, and the working surface of the disposable high-frequency electrode sheet can be used to efficiently clean the lesion.
[0024] The disposable high-frequency electrode pad of this invention has a simple overall structure and low cost, which reduces the economic burden on patients. It can also be used in conjunction with an endoscope to achieve precise cleaning of lesions. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the structure of the disposable high-frequency electrode sheet described in Embodiment 1 of this utility model;
[0026] Figure 2 This is a schematic diagram showing the connection between the disposable high-frequency electrode sheet and the electric coil sleeve according to an embodiment of the present invention;
[0027] Figure 3 This is a schematic diagram of the structure of the hook described in an embodiment of the present utility model;
[0028] Figure 4 This is a schematic diagram of the structure of the disposable high-frequency electrode sheet and the electric coil sleeve according to an embodiment of the present invention;
[0029] Figure 5 This is a schematic diagram of the structure of the disposable high-frequency electrode sheet described in Embodiment 2 of this utility model;
[0030] Figure 6 This is a schematic diagram of the high-frequency cleaning system described in an embodiment of the present invention;
[0031] In the figure, 1 is the electrode body, 11 is the working surface, and 12 is the mounting surface;
[0032] 2. Fixed structure; 21. Hook; 22. Limiting ring;
[0033] 100 Electric snare device, 101 Snare wire, 102 Cable, 103 Outer sheath tube;
[0034] 211 Limiting rod, 212 Limiting part;
[0035] 3 threaded sleeves;
[0036] 200 high-frequency generator, 300 endoscope, 301 working channel. Detailed Implementation
[0037] The technical solutions in the embodiments of this utility model will now be clearly and completely described in conjunction with the accompanying drawings.
[0038] Example 1
[0039] like Figures 1-4 As shown, a disposable high-frequency electrode sheet includes an electrode sheet body 1. The disposable high-frequency electrode sheet is made of a conductive material.
[0040] The electrode body 1 is sheet-shaped and includes a working surface 11 and a mounting surface 12 arranged opposite to each other.
[0041] A fixing structure 2 is provided on the mounting surface 12.
[0042] The fixing structure 2 is used to connect to the snare wire 101 of the electric snare 100.
[0043] like Figure 2As shown, the fixing structure 2 includes a hook 21 and a limiting ring 22 arranged side by side and spaced apart from the hook 21.
[0044] like Figure 3 As shown, the hook 21 includes a limiting rod 211 and a limiting part 212 disposed on the upper end of the limiting rod 211.
[0045] The limiting part 212 is a cylindrical protrusion coaxially arranged with the limiting rod 211.
[0046] like Figures 2-4 As shown, the disposable high-frequency electrode sheet also includes a threaded sleeve 3, which is sleeved on the outside of the threaded ring 101 and threadedly connected to the limiting ring 22. The threaded sleeve 3 includes a cylindrical sleeve with threads on its outer ring and a flange face provided at the end of the cylindrical sleeve.
[0047] The electrode body 1 is a curved panel, and the mounting surface 12 is located on the concave side of the curved panel.
[0048] The corners of the electrode body 1 are rounded.
[0049] like Figure 6 As shown, a high-frequency cleaning system utilizes the aforementioned disposable high-frequency electrode sheet. The electric ring 100 is a disposable electric ring, and the fixing structure 2 is detachably connected to the ring wire 101 of the electric ring 100.
[0050] The electric snare 100 also includes a cable 102 and an outer sheath 103. The snare wire 101 is disposed at the front end of the cable 102. The cable 102 can slide along the axial direction of the outer sheath 103 to control the snare wire 101 to enter and exit the outer sheath 103.
[0051] The cable 102 can rotate relative to the outer sheath 103 to adjust the orientation of the working surface 11. Specifically, the above function can be achieved using the structure in Chinese patent document CN119214772A (202310794697.3) or Chinese patent document CN204581500U (201520224923.5), which will not be elaborated here.
[0052] The high-frequency cleaning system also includes a high-frequency generating device 200, which is electrically connected to the snare wire 101 of the electric snare device 100.
[0053] The high-frequency generating device 200 is a high-frequency electrosurgical unit.
[0054] The high-frequency cleaning system also includes an endoscope 300, which includes a working channel 301. The snare wire 101 of the electric snare 100 passes through the working channel 301 and is connected to the fixing structure 2.
[0055] In this embodiment, the high-frequency cleaning system, during early cancer screening, when performing an endoscopic examination of the digestive tract, if early symptoms of cancer are detected, can use disposable high-frequency electrode pads in conjunction with a disposable electrocautery snare and a high-frequency electrosurgical unit to treat the lesions. The disposable high-frequency electrode pads, as disposable consumables, are low-cost and can be quickly connected and disconnected from existing electrocautery snares, achieving highly efficient lesion removal at extremely low cost.
[0056] Example 2
[0057] like Figure 5 As shown, the difference from Embodiment 1 is that the limiting part 212 is a rod-shaped structure perpendicular to the limiting rod 211, and the end of the limiting part 212 extends in the opposite direction to the limiting ring 22.
Claims
1. A disposable high frequency electrode patch, characterized by: The electrode sheet body (1) is provided with a fixing structure (2) on the mounting surface (12). The electrode sheet body (1) is provided with a fixing structure (2) on the mounting surface (12). The fixing structure (2) is used for connecting with the snare wire (101) of the electric snare (100). The fixing structure (2) includes a hook (21) and a limiting ring (22) arranged in parallel with the hook (21).
2. The disposable high frequency electrode patch of claim 1, wherein: The hook (21) includes a limiting rod (211) and a limiting part (212) arranged on the upper end of the limiting rod (211). The limiting part (212) is a cylindrical protrusion coaxially arranged with the limiting rod (211).
3. The disposable high frequency electrode patch of claim 2, wherein: The limiting part (212) is a rod-shaped structure perpendicular to the limiting rod (211), and the end of the limiting part (212) extends in the direction opposite to the limiting ring (22).
4. The disposable high frequency electrode patch of claim 2, wherein: The electrode sheet body (1) is a curved panel, and the mounting surface (12) is located on the concave side of the curved panel.
5. The disposable high frequency electrode patch of claim 1, wherein: The corners of the electrode sheet body (1) are rounded.
6. The disposable high frequency electrode patch of claim 1, wherein: The electric snare (100) is a disposable electric snare, and the fixing structure (2) is detachably connected with the snare wire (101) of the electric snare (100). The electric snare (100) further includes a pull cable (102) and an outer sheath (103), the snare wire (101) is arranged at the front end of the pull cable (102), and the pull cable (102) can slide axially along the outer sheath (103) to control the snare wire (101) to enter or exit the outer sheath (103).
7. A high frequency cleaning system using the disposable high frequency electrode sheet according to any one of claims 1 to 6, characterized by: The pull cable (102) can rotate relative to the outer sheath (103) to adjust the orientation of the working surface (11). The high-frequency generating device (200) is electrically connected with the snare wire (101) of the electric snare (100). The high-frequency generating device (200) is a high-frequency electrotome main machine.
8. The high frequency cleaning system of claim 7, wherein: The endoscope (300) includes a working channel (301), and the snare wire (101) of the electric snare (100) is connected with the fixing structure (2) through the working channel (301).
9. The high frequency cleaning system of claim 8, wherein: 10. The high frequency cleaning system of claim 7, wherein:
Citation Information
Patent Citations
Hot biopsy forceps with clip function
CN222172168U