Surgical electrode tool bit

Abstract

The utility model discloses a surgical electrode tool bit, which comprises a working section, a connecting section and a fixed section, the working section, the connecting section and the fixed section are sequentially connected, the working section is connected with the fixed section through the connecting section, a blade is arranged on the working section, a blade tip is arranged on the blade, and the blade tip is arranged on the blade through the design of the blade and a blade tip cutting edge. When the surgical electrode tool bit provided by the utility model is used for cutting, the electric energy can be concentrated near the cutting edge of the blade, and the converted heat energy can also be concentrated around the cutting edge of the blade. By means of the sharp cutting edge appearance and concentrated heat energy, human tissue can be easily cut open, the cutting efficiency is improved, and meanwhile a large amount of smoke cannot be generated due to willful spreading of heat.

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 a suction device, and is compatible with various high-frequency mainframes. It integrates multiple functions such as suction, electrocision, electrocoagulation, flushing, 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 working section on the surgical electrode blade head is in the shape of a blade.

[0007] Further, a blade is provided at the inner edge of the working section, and a blade tip is provided on the blade. The cross-section of the working section with the blade tip is a polygon. The working section is linear, curved, or arc-shaped.

[0008] Further, blades are provided on other outer peripheries of the working section except for the end connected to the connecting section, and a blade tip is provided on the blade. The cross-section of the working section with the blade tip is a polygon.

[0009] The surgical electrode blade head is integrally in the shape of a hook. The connecting section is curved. One end of the connecting section is connected to the fixing section, and the other end of the connecting section is connected to the working section. The included angle between the connecting section and the working section is 1° to 179°. The optimal angle range of the included angle between the connecting section and the working section is 45° to 135°. The optimal angle range of the included angle between the connecting section and the working section is 50° to 135°. From the perspective of direction A, the included angle β between the fixing section and the connecting section is 135° to 225°.

[0010] Further, the blade is disposed on one side of the working section that bends towards the connecting section.

[0011] Further, the working section, the connecting section, and the fixing section are arranged and connected at any angle to each other.

[0012] Further, blades are provided on the outer periphery of the working section except for the end connected to the connecting section, and blade tips are provided on the blades.

[0013] Further, the cross-section of the working section provided with the blade tip is polygonal.

[0014] Further, a coating is provided on the area other than the blade tip on the working section, and no coating is provided on the blade tip.

[0015] Further, blades are provided at the edges of the connecting section, and blade tips are provided on the blades.

[0016] Further, a coating is provided on the connecting section, and the surface of the fixing section is integrally coated or a part of the fixing section is coated.

[0017] Further, a coating is provided on the connecting section; preferably, a coating is provided on the area of the working section other than the blade tip on the working section.

[0018] Further, the coating is sprayed by using a ceramic coating, an oil-based coating, and / or an inorganic nano-coating.

[0019] Further, the working section, the connecting section, and the fixing section are integrally formed.

[0020] Further, the material of the tool bit is a metal material.

[0021] The cross-section of the position on the working section where the blade tip is provided is polygonal.

[0022] Further, the thickness of the blade tip is 5 μm to 300 μm.

[0023] Further, the working section bends or bends 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).

[0024] The present utility model further provides a surgical electrode, including an electrocoagulation hook main body, characterized in that a tool bar is provided at the output end of the electrocoagulation hook main body, a surgical electrode tool bit and an insulating fixing head are provided at the end of the tool bar, the surgical electrode tool bit is connected to the tool bar, and an insulating fixing head is provided at the connection between the surgical electrode tool bit and the tool bar.

[0025] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0026] Through the design of the blade and the edge of the blade tip, when using the surgical electrode cutter head provided by the present utility model for cutting, electric energy can be concentrated near the edge of the blade, and the converted heat energy can also be concentrated around the edge of the blade. The relatively sharp 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.

[0027] The surgical electrode provided with the surgical electrode cutter head of the present utility model makes the current of the cutter head 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 at the same time avoiding the problem of a large amount of smoke interfering with the surgical field of view.

[0028] The thickness range of the blade tip of the surgical electrode cutter head of the present utility model is 5μm to 300μm (μm is micrometer), ensuring a large current density during use and improving the smoothness of cutting.

[0029] The included angle between the upper inclined surface and the lower inclined surface of the blade of the surgical electrode cutter head of the present utility model is designed to be 17° to 60°. The included angle between the upper inclined surface and the lower inclined surface of the blade of the surgical electrode cutter head 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

[0030] Figure 1 It is a three-dimensional schematic diagram of the single-edge cutter head of the surgical electrode cutter head of the present utility model.

[0031] Figure 2 It is a structural schematic diagram of the single-edge cutter head of Embodiment 1 of the surgical electrode cutter head of the present utility model.

[0032] Figure 3 It is a schematic diagram of the assembly structure of the single-edge cutter head of the surgical electrode cutter head of the present utility model and the insulating fixing head.

[0033] Figure 4 It is a three-dimensional schematic diagram of the double-edge cutter head of the surgical electrode cutter head of the present utility model.

[0034] Figure 5 It is a structural schematic diagram of the double-edge cutter head of Embodiment 2 of the surgical electrode cutter head of the present utility model.

[0035] Figure 6 It is a planar schematic diagram of the A perspective of the surgical electrode cutter head of the present utility model.

[0036] Figure 7It is a schematic structural diagram of the connection section and the working section of the surgical electrode blade tip of the present utility model in different angular states.

[0037] Figure 8 It is a schematic structural diagram of the cross-section at the blade tip B-B of the single-edge blade working section of Embodiment 1 of the surgical electrode blade tip of the present utility model.

[0038] Figure 9 It is a schematic structural diagram of the cross-section at the blade tip C-C of the double-edge blade working section of Embodiment 2 of the surgical electrode blade tip of the present utility model.

[0039] In the drawings: 1 - working section; 2 - connection section; 3 - fixed section; 4 - blade; 5 - blade tip; 6 - electrocoagulation hook body; 7 - knife rod; 8 - insulating fixed head; 9 - surgical electrode blade tip; 10 - inclined surface on the blade; 11 - inclined surface under the blade. Detailed implementation manners

[0040] The present utility model will be further described below 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 of 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.

[0041] As Figures 1 - 9 shown, a surgical electrode blade tip 9 includes a working section 1, a connection section 2 and a fixed section 3. The working section 1, the connection section 2 and the fixed 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 fixed section 3 through the connection section 2. A blade 4 is provided on the working section 1, and a blade tip 5 is provided on the blade 4. Embodiment

[0042] As Figure 1 、 2 shown, the whole blade tip is in a hooked shape. The connection section 2 is curved. One end of the connection section 2 is connected to the fixed section 3, and the other end of the connection section 2 is connected to the working section 1. As Figure 7 shown, from the perspective perpendicular to the paper surface, the included angle between the connection section 2 and the working section 1 is 45° to 135°. The blade 4 is provided on one side of the working section 1 bent towards the connection section 2, forming a single-edge hooked blade tip-shaped blade tip.

[0043] As Figure 5 and 6As shown, from the perspective of direction A (side view), that is, looking in the direction parallel to the paper surface, the included angle β between the fixed section 3 and the connecting section 2 is 135° to 225°, or the included angle range between the connecting section 2 and the extension line of the fixed section 3 can also be -45° to +45°.

[0044] As Figure 8 shown, the included angle between the upper inclined surface 11 and the lower inclined surface 12 of the blade is 17° to 60°. The included angle between the upper inclined surface 11 and the lower inclined surface 12 of the surgical electrode blade can also be 10° to 85°. The angles within this range can ensure the strength of the incision and the concentrated release of current during cutting. The blade tip 5 is arranged at the connection of the upper inclined surface 11 and the lower inclined surface 12 of the blade.

[0045] As the second solution of the above 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 1.

[0046] As the third solution of the above 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 1.

[0047] As the fourth solution of the above 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 1. Embodiment

[0048] As Figure 4 shown, on the basis of Embodiment 1, blades 4 are provided on the outer peripheries of the working section 1 except for the end connected to the connecting section 2, forming a double-edged hook-shaped blade head. Blade tips 5 are provided on all the blades 4. The cross-section of the working section 1 is quadrilateral or rhombus or hexagon or polygon. The blade tip 5 can be arranged at the outer edge of the entire working section 1, or the blade tip 5 can also be arranged at a part of the outer edge of the working section 1.

[0049] As Figure 9 shown, the included angle between the upper inclined surface 11 and the lower inclined surface 12 of the blade is 34° to 120°. The included angle between the upper inclined surface 11 and the lower inclined surface 12 of the surgical electrode blade can also be 20° to 170°. The angles within this range can ensure the strength of the incision and the concentrated release of current during cutting. The blade tip 5 is arranged at the connection of the upper inclined surface 11 and the lower inclined surface 12 of the blade.

[0050] 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.

[0051] 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.

[0052] 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

[0053] In Embodiments 1-2, coatings are provided in areas 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.

[0054] 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.

[0055] As the second solution of the above-described embodiment, a coating is provided on the connecting section 2.

[0056] As the third solution of the above-described embodiment, a coating is provided on the entire surface of the fixing section 3 and / or a part of the fixing section 3 is provided with a coating.

[0057] As the fourth solution of the above-described embodiment, coatings are provided in areas other than the cutting edge tip 5 on the working section 1, and no coating is provided on the cutting edge tip 5.

[0058] As the fifth solution of the above-described embodiment, a coating is provided on the connecting section 2.

[0059] As the sixth solution of the above-described embodiment, coatings are provided in areas other than the cutting edge tip 5 on the working section 1.

[0060] 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.

[0061] As a further improvement of the above-described embodiment, the material of the tool tip is a metal material.

[0062] As a further improvement of the above-described embodiment, the thickness of the cutting edge tip 5 is 5 μm to 300 μm, and the best use effect of the thickness of the cutting edge tip 5 is 15 μm to 100 μm. Embodiment

[0063] In Embodiments 1 to 3, the cross-section of the working section 1 at the position where the blade tip 5 is provided is pentagonal. The shape of the cross-section includes a triangle, a quadrilateral, a pentagon, a hexagon, a polygon, and the shape of the cross-section also includes a regular or irregular shape formed by one or more combinations of a straight line, a curve, an arc fillet, and a chamfer, including but not limited to these. Embodiment

[0064] In Embodiments 1 to 4, a blade 4 is also provided at the outer edge of the connecting section. The blade tip 5 is provided on the blade 4; alternatively, the blade 4 may be provided at the outer or inner edge of the connecting section 2, and the blade tip 5 is provided on the blade 4.

[0065] Through the design of the blade edge of the blade 4 and the blade tip 5, when using the surgical electrode cutter head 9 provided by the present utility model for cutting, electric energy can be concentrated near the blade edge of the blade 4, and the converted heat energy can also be concentrated around the blade edge of the blade 4. The relatively sharp blade edge shape 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.

[0066] The surgical electrode provided with the surgical electrode cutter head 9 of the present utility model makes the cutter head current more concentrated, avoiding the problems of current disorder and non-concentration of electric energy. The heat energy is concentrated, there is less surgical smoke, and while the efficiency of peeling human tissues is high, the problem of a large amount of smoke interfering with the surgical field of view is avoided.

[0067] The thickness range of the blade tip 5 of the surgical electrode cutter head 9 of the present utility model is 15 μm to 100 μm (μm is micrometer), ensuring a large current density during use and improving the smoothness of cutting.

[0068] The included angle between the inclined surface on the blade 4 and the inclined surface under the blade 4 of the surgical electrode cutter head 9 of the present utility model is designed to be 17° to 60°. The cutting effect is better within the range of 17° to 30° in this range, which can ensure the strength of the cutting edge and the concentrated release of current during cutting.

[0069] Obviously, the above embodiments are merely examples for clearly illustrating the technical solutions of the present utility model, rather than limiting the implementation manners of the present utility model. The above connection manners: 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 shaft 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, etc. made within the spirit and principle of the present utility model shall be included within the scope of the present utility model.

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, the working section is provided with a blade, and the blade is provided with a blade tip; The working section is provided with blades at the outer periphery except for the end connected to the connecting section, and the blades are provided with blade tips, and the cross section of the working section provided with the blade tips is polygonal; The surgical electrode tip is hook-shaped as a whole, the connecting section is curved, one end of the connecting section is connected to the fixed section, and the other end of the connecting section is connected to the working section. The angle between the connecting section and the working section is 45°~135°, and the angle β between the fixed section and the connecting section in the A direction viewing angle is 135°~225°.

2. The surgical electrode tip according to claim 1, characterized in that: The connecting section is provided with a coating, and the area except the tip of the blade on the working section is provided with a coating, and the tip of the blade is not provided with a coating.

3. The surgical electrode tip according to claim 2, characterized in that: The coating is sprayed with ceramic coating, oily coating or inorganic nano coating.

4. The surgical electrode tip according to claim 1, characterized in that: The thickness of the blade tip is 5 μm to 300 μm.

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