Surgical electrode tool bit
By designing the dagger-type surgical electrode tip, the existing electrocoagulation hook tips are solved, and the current disordered current and excessive smoke during cutting are achieved, and the concentration of electrical and thermal energy is achieved, which improves the cutting efficiency and reduces smoke interference.
Patent Information
- Application Number
- CN202421154354.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2023-05-25
- Filing Date
- 2024-05-24
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The cylindrical cutter head of the existing electrocoagulation hook is disordered during cutting, electrical energy is not concentrated, and thermal energy is too dispersed, resulting in low cutting efficiency and a large amount of smoke.
A surgical electrode cutting head is designed, including a working section, a connecting section and a fixing section. The working section is in the shape of a dagger, the cross-section of the blade tip is polygonal, the angle between the inclined surface on the blade and the lower inclined surface is 17°~60°, and there is no coating on the edge tip area to increase the current density.
By concentrating electrical and thermal energy, we can improve cutting efficiency, reduce smoke generation, avoid smoke interfering with the surgical field of view, and ensure clear and efficient surgery.
Smart Images

Figure CN223026137U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical devices, and particularly relates to a surgical electrode blade head, which is applicable to laparoscopic surgeries in departments such as general surgery, hepatobiliary surgery, gynecology, and urology. Background Art
[0002] The electrocoagulation hook is generally used as an accessory consumable for high-frequency surgical equipment, and is used in conjunction with high-frequency surgical equipment, plasma surgical equipment, and aspirators, and is compatible with various high-frequency mainframes. It integrates many functions such as suction, electrocision, electrocoagulation, irrigation, and dissection, and is mainly used in laparoscopic surgeries. The applicable departments include laparoscopic surgeries in general surgery, hepatobiliary surgery, gynecology, urology, etc. The head blade of the existing electrocoagulation hook is mainly made by bending a cylindrical stainless steel wire. Its main disadvantages are that during cutting, the current of the cylindrical blade is disordered, the electric energy is not concentrated, and the heat energy is too dispersed, resulting in low cutting efficiency. At the same time, a large amount of smoke is generated and covers the surgical field of view. Content of the Utility Model
[0003] In view of the deficiencies in the prior art, the present utility model proposes a surgical electrode blade head.
[0004] The present utility model adopts the following technical solutions:
[0005] Provide a surgical electrode blade head, including a working section, a connecting section, and a fixing section. The working section, the connecting section, and the fixing section are connected in sequence. The working section is connected to the fixing section through the connecting section. A blade is provided on the working section, and a blade tip is provided on the blade.
[0006] Further, the connecting section is linear, the working section is dagger-shaped, and a blade tip is provided on the working section; the cross-section of the working section provided with the blade tip is polygonal.
[0007] Further, the working section, the connecting section, and the fixing section are arranged and connected at any angle to each other.
[0008] Further, blades are provided on the outer peripheries of the working section except for the end connected to the fixing section, and blade tips are provided on the blades.
[0009] Further, the cross-section of the working section provided with the blade tip is polygonal.
[0010] Further, a coating is provided on the area of the working section where the blade tip is provided, coatings are provided on the areas other than the blade tip on the working section, and no coating is provided on the blade tip.
[0011] Further, blades are provided on the edges of the connecting section, and blade tips are provided on the blades.
[0012] Furthermore, a coating is provided on the connecting section, the surface of the fixing section is integrally coated or a part of the fixing section is coated, and coatings are provided in areas other than the cutting edge tip on the working section, and no coating is provided on the cutting edge tip.
[0013] Furthermore, coatings are provided in areas other than the cutting edge tip on the working section.
[0014] Furthermore, the coating is sprayed by using a ceramic coating, an oil-based coating, and / or an inorganic nano-coating.
[0015] Furthermore, the working section, the connecting section, and the fixing section are integrally formed.
[0016] Furthermore, the material of the tool tip is a metal material.
[0017] Furthermore, the thickness of the cutting edge tip is 5 μm to 300 μm.
[0018] Furthermore, the working section bends or folds at any angle in a three-dimensional space (three-dimensional coordinates) with the connection point between the connecting section and the working section as the origin (fixed point).
[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0020] Through the design of the cutting edge and the cutting edge of the cutting edge tip, when using the surgical electrode tool tip provided by the present utility model for cutting, electric energy can be concentrated near the cutting edge of the cutting edge, and the converted heat energy can also be concentrated around the cutting edge of the cutting edge. The relatively sharp cutting edge shape and the concentrated heat energy can easily cut through human tissues, improve the cutting efficiency, and at the same time, a large amount of smoke will not be generated due to the wanton spread of heat.
[0021] The surgical electrode provided with the surgical electrode tool tip of the present utility model makes the current of the tool tip more concentrated, avoiding the problems of current disorder and non-concentration of electric energy, with concentrated heat energy, less surgical smoke, high efficiency in peeling human tissues, and avoiding the problem of a large amount of smoke interfering with the surgical field of view.
[0022] The surgical electrode tool tip of the present utility model has the thickness range of the cutting edge tip set to 5 μm to 300 μm (μm is micrometer), ensuring a large current density during use and improving the smoothness of cutting.
[0023] The surgical electrode tool tip of the present utility model is designed such that the angle between the inclined surface on the cutting edge and the inclined surface under the cutting edge is 17° to 60°, and the angle between the inclined surface on the cutting edge and the inclined surface under the cutting edge of the surgical electrode tool tip can also be 10° to 85°. The angles within this range can ensure the strength of the cutting edge and the concentrated release of current during cutting. Description of the Drawings
[0024] Figure 1 is a three-dimensional schematic diagram of the surgical electrode blade tip of the present utility model.
[0025] Figure 2 is a structural schematic diagram of the surgical electrode blade tip of the present utility model.
[0026] Figure 3 is a structural schematic diagram of a cross-section at A-A of the dagger-shaped blade working section with a blade tip of Embodiment 1 of the surgical electrode blade tip of the present utility model.
[0027] Figure 4 is a structural schematic diagram of a cross-section at A-A of the dagger-shaped blade working section with a blade tip of Embodiment 2 of the surgical electrode blade tip of the present utility model.
[0028] In the drawings: 1 - working section; 2 - connecting section; 3 - fixing section; 4 - blade; 5 - blade tip; 6 - inclined surface on the blade; 7 - inclined surface under the blade. Detailed implementation manners
[0029] The following further describes the present utility model in conjunction with the detailed implementation manners. Among them, the drawings are only for illustrative purposes, showing only schematic diagrams, not physical diagrams, and should not be construed as a limitation on this patent; in order to better illustrate the embodiments of the present utility model, some components in the drawings will be omitted, enlarged or reduced, which do not represent the dimensions of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.
[0030] As Figures 1 to 4 shown, a surgical electrode blade tip includes a working section 1, a connecting section 2, and a fixing section 3. The working section 1, the connecting section 2, and the fixing section 3 are connected in sequence. The working section 1 of the blade tip is sheet-shaped. The working section 1 is connected to the fixing section 3 through the connecting section 2. A blade 4 is provided on the working section 1, and a blade tip 5 is provided on the blade 4. Embodiment
[0031] As Figure 1 shown, a surgical electrode blade tip includes a working section 1, a connecting section 2, and a fixing section 3. The working section 1, the connecting section 2, and the fixing section 3 are connected in sequence. The working section of the blade tip is sheet-shaped. The working section 1 is connected to the fixing section 3 through the connecting section 2. A blade 4 is provided on the working section 1, and a blade tip 5 is provided on the blade 4. The connecting section 2 is linear, and the working section 1 is dagger-shaped.
[0032] As Figure 3 shown, the cross-section A-A at the position where the working section is provided with the blade tip is a pentagon;
[0033] As the second solution of the above-described embodiment, the connecting section 2 is linear, and the working section 1 is curved. The pattern of this solution is not shown in the drawings, and those skilled in the art can understand it with reference to the pattern in Embodiment 2.
[0034] As the third solution of the above-described embodiment, the connecting section 2 is curved, and the working section 1 is linear. The pattern of this solution is not shown in the drawings, and those skilled in the art can understand it with reference to the pattern in Embodiment 2.
[0035] As the fourth solution of the above-described embodiment, the connecting section 2 is curved, and the working section 1 is curved. The pattern of this solution is not shown in the drawings, and those skilled in the art can understand it with reference to the pattern in Embodiment 2. Embodiment
[0036] As Figure 4 shown, the cross-section A-A at the position of the cutting edge tip on the working section is hexagonal; Embodiment
[0037] The shape of the cross-section includes a triangle, a quadrilateral, a pentagon, a polygon, and the shape of the cross-section also includes, but is not limited to, a regular or irregular shape formed by one or more combinations of a straight line, a curve, an arc fillet, and a chamfer. Embodiment
[0038] In Embodiments 1-3, a coating is provided on the area other than the cutting edge tip 5 on the working section 1, and no coating is provided on the cutting edge tip 5 for surgical cutting.
[0039] As a further improvement of the above-described embodiment, the coating is sprayed with a ceramic coating, an oil-based coating, or an inorganic nano-coating.
[0040] As the second solution of the above-described embodiment, a coating is provided on the working section 1 and the connecting section 2.
[0041] As the third solution of the above-described embodiment, the entire surface of the fixing section 3 is provided with a coating and / or a part of the fixing section 3 is provided with a coating.
[0042] As the fourth solution of the above-described embodiment, a coating is provided on the connecting section 2.
[0043] As the fifth solution of the above-described embodiment, a coating is provided on the area of the working section 1 other than the cutting edge tip 5 on the working section 1.
[0044] As a further improvement of the above-described embodiment, the working section 1, the connecting section 2, and the fixing section 3 are integrally formed.
[0045] As a further improvement of the above embodiment, the cutter head is made of metal. As a further improvement of the above embodiment, the thickness of the tip 5 of the cutting edge is 5 μm to 300 μm, and the best use effect of the thickness of the tip 5 of the cutting edge is 15 μm to 100 μm. Embodiment
[0046] In Embodiments 1 to 4, a cutting edge 4 is also provided at the outer edge of the connecting section. A tip 5 is provided on the cutting edge 4; alternatively, a cutting edge 4 may be provided at the outer or inner edge of the connecting section 2, and a tip 5 is provided on the cutting edge 4.
[0047] Through the design of the cutting edge of the cutting edge 4 and the tip 5, when using the surgical electrode cutter head 9 provided by the present invention for cutting, electrical energy can be concentrated near the cutting edge of the cutting edge 4, and the converted heat energy can also be concentrated around the cutting edge of the cutting edge 4. The relatively sharp cutting edge profile and concentrated heat energy can easily cut through human tissues, improve the cutting efficiency, and at the same time, a large amount of smoke will not be generated due to the wanton spread of heat.
[0048] The surgical electrode provided with the surgical electrode cutter head 9 of the present invention makes the cutter head current more concentrated, avoiding problems such as current disorder and non-concentration of electrical energy, with concentrated heat energy, less surgical smoke, high efficiency in peeling human tissues, and at the same time avoiding the problem of a large amount of smoke interfering with the surgical field of view.
[0049] The thickness range of the tip 5 of the cutting edge of the surgical electrode cutter head 9 of the present invention is 15 μm to 100 μm (μm is micrometer), ensuring a relatively large current density during use and improving the smoothness of cutting.
[0050] The included angle between the inclined surface above the cutting edge 4 and the inclined surface below the cutting edge 4 of the surgical electrode cutter head 9 of the present invention is designed to be 17° to 60°. The cutting effect of the angle within the range of 17° to 30° is better, which can ensure the strength of the cutting edge and the concentrated release of current during cutting.
[0051] Obviously, the above embodiments are merely examples for clearly illustrating the technical solutions of the present invention, rather than limitations on the embodiments of the present invention. The above-mentioned connection methods: movable connection, fixed connection, connected, connected together, connection, etc. are all one or more of welding, bolt connection, riveting, embedded connection, hinge connection or pin connection, etc. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention shall be included within the scope of the present invention.
Claims
1. A surgical electrode head, comprising a working section, a connecting section and a fixing section, wherein the working section, the connecting section and the fixing section are connected in sequence, characterized in that: The working section is connected to the fixed section via a connecting section, a blade is provided on the working section, and a blade tip is provided on the blade; The connecting section is in a straight line shape, the working section is in a dagger shape, and a blade tip is provided on the working section; the cross section of the working section provided with the blade tip is a polygon.
2. The surgical electrode tip according to claim 1, characterized in that: The connecting section is provided with a coating.
3. The surgical electrode tip according to claim 1, characterized in that: The entire surface of the fixing section is provided with a coating and / or a portion of the fixing section is provided with a coating.
4. The surgical electrode tip according to claim 1, characterized in that: The areas other than the blade tip on the working section are all provided with coatings, and the blade tip is not provided with coatings.
5. The surgical electrode tip according to claim 4, characterized in that: The coating is sprayed with ceramic coating, oily coating or inorganic nano coating.
6. The surgical electrode tip according to claim 1, characterized in that: The thickness of the blade tip is 5 μm to 300 μm.