Electrocoagulation cutter head

Abstract

The utility model discloses an electrocoagulation 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 through the design of the blade and a blade tip cutting edge, the electrocoagulation tool bit is formed. When the electrocoagulation tool bit provided by the utility model is used for cutting, electric energy can be concentrated near the cutting edge of the cutting edge, and heat energy converted by the electric energy can also be concentrated around the cutting edge of the cutting edge. 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, in particular to an electrocoagulation knife 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 end 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 knife head 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 utility model proposes an electrocoagulation knife head.

[0004] The utility model adopts the following technical solutions:

[0005] Provide an electrocoagulation knife 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. The outer edge of the working section is provided with a blade, and a blade tip is provided on the blade; a coating is provided on the connecting section and the fixing section, and a coating is provided on the area of the working section except the blade tip. No coating is provided on the blade tip;

[0006] Further, blades are provided on the outer peripheries of the working section except for the end connected to the connecting section. A blade tip is provided on the blade. The cross-section of the working section provided with the blade tip is polygonal.

[0007] Further, the electrocoagulation knife head is integrally 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 α between the connecting section and the working section is 60° - 180°.

[0008] Further, the coating is sprayed with a ceramic coating, an oily coating, or an inorganic nano-coating.

[0009] Further, the thickness of the blade tip is 5μm - 300μm.

[0010] Further, the working section, the connecting section, and the fixing section are integrally formed.

[0011] Further, the cutter head is made of metal material.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] Through the design of the blade and the edge of the blade tip, when using the electrocoagulation 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 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.

[0014] The surgical electrode provided with the electrocoagulation 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.

[0015] The thickness range of the blade tip of the electrocoagulation cutter head of the present utility model is 5μm to 300μm (μm is micron), and the use effect is better when the thickness range of the blade tip of the electrocoagulation cutter head is 15μm to 100μm (μm is micron), ensuring a large current density during use and improving the smoothness of cutting.

[0016] The included angle a between the upper inclined surface and the lower inclined surface of the blade of the electrocoagulation cutter head of the present utility model is 17° to 60°, and the included angle between the upper inclined surface and the lower inclined surface of the designed blade of the electrocoagulation 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. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional schematic diagram of the electrocoagulation cutter head of the present utility model.

[0018] Figure 2 is a three-dimensional schematic diagram of the electrocoagulation cutter head of the present utility model.

[0019] Figure 3 is a structural schematic diagram of the electrocoagulation cutter head of the present utility model.

[0020] Figure 4 is the present utility model Figure 2 is a structural schematic diagram of the upward view.

[0021] Figure 5 is the present utility model Figure 2 is a structural schematic diagram of the downward view.

[0022] Figure 6 is a structural schematic diagram of the cross-section of the working section A - A of the shovel-shaped cutter head in Embodiment 1 of the present utility model.

[0023] Figure 7 It is a schematic structural view of the cross-section of the working section A-A of the shovel-shaped cutter head in Embodiment 2 of the present utility model.

[0024] In the attached drawings: 1 - working section; 2 - connecting section; 3 - fixing section; 4 - cutting edge; 5 - cutting edge tip; 6 - upper inclined surface of the cutting edge; 7 - lower inclined surface of the cutting edge. Detailed implementation manners

[0025] The present utility model will be further described below in conjunction with the detailed implementation manners. Among them, the attached drawings are only for illustrative purposes, showing only schematic diagrams, not physical diagrams, and should not be construed as a limitation to this patent; in order to better illustrate the embodiments of the present utility model, some components in the attached 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 attached drawings may be omitted. Embodiment

[0026] As Figures 1 - 6 shown, a coagulation cutter head is provided, which 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 is connected to the fixing section through the connecting section 2. A cutting edge 4 is provided on the working section 1. The cutting edge 4 is provided at the outer edge of the working section 1. A cutting edge tip 5 is provided on the cutting edge 4. Coatings are provided on the connecting section 2 and the fixing section 3. A coating is provided on the area of the working section 1 except the cutting edge tip 5. No coating is provided on the cutting edge tip 5;

[0027] The shape presented by the working section 1 includes circular, elliptical, and shovel-shaped.

[0028] As a further improvement of the above implementation manner, cutting edges 4 are provided at other outer peripheries of the working section 1 except the end connected to the connecting section 2. A cutting edge tip 5 is provided on the cutting edge 4. The cross-section A-A of the working section 1 provided with the cutting edge tip 5 is an isosceles trapezoid. Cutting edge tips 5 are provided at the two isosceles angles of the isosceles trapezoid.

[0029] As Figure 6 shown, the cutting edge 4 includes an upper inclined surface and a lower inclined surface 7 of the cutting edge. The upper inclined surface and the lower inclined surface 7 of the cutting edge are connected through the cutting edge tip 5. The included angle a between the upper inclined surface and the lower inclined surface 7 of the cutting edge is 17° - 60°. In this range, the cutting and coagulation effects of angles of 17° - 30° are better, which can ensure the strength of the cutting edge and the concentrated release of current during cutting.

[0030] As a further improvement of the above implementation manner, the coagulation cutter head is integrally curved. One end of the connecting section 2 is connected to the fixing section, and the other end of the connecting section 2 is connected to the working section 1. AsFigure 3 As shown, the included angle α between the connecting section 2 and the working section 1 is 60° to 180°.

[0031] As a further improvement to the above-mentioned factual manner, the coating is sprayed with a ceramic coating, an oil-based coating or an inorganic nano-coating.

[0032] As a further improvement to the above-mentioned factual manner, the thickness of the tip 5 of the blade is 5 μm to 300 μm.

[0033] As a further improvement to the above-mentioned factual manner, the working section 1, the connecting section 2 and the fixing section 3 are integrally formed.

[0034] As a further improvement to the above-mentioned factual manner, the material of the tool tip is a metal material. Embodiment

[0035] As Figures 1 - 7 shown, there is provided an electrocoagulation tool tip, including 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 is connected to the fixing section through the connecting section 2. A blade 4 is provided on the working section 1. The blade 4 is provided at the outer edge of the working section 1. A blade tip 5 is provided on the blade 4; a coating is provided on the connecting section 2 and the fixing section 3, and a coating is provided on the area of the working section 1 except the blade tip 5, and no coating is provided on the blade tip 5; the shape presented by the working section 1 includes a circular shape, an elliptical shape, and a spatula shape.

[0036] As a further improvement to the above-mentioned factual manner, blades 4 are provided at other outer peripheries of the working section 1 except for the end connected to the connecting section 2, and a blade tip 5 is provided on the blade 4. As Figure 7 shown, the cross-section A-A of the working section 1 provided with the blade tip 5 is a hexagon or a rhombus.

[0037] The blade 4 includes an upper inclined surface and a lower inclined surface 7 of the blade. The upper inclined surface and the lower inclined surface 7 of the blade are connected through the blade tip 5. As Figure 7 shown, the included angle b between the upper inclined surface and the lower inclined surface 7 of the blade is 30° to 150°.

[0038] As a further improvement to the above-mentioned factual manner, the electrocoagulation tool tip is integrally curved. One end of the connecting section 2 is connected to the fixing section, and the other end of the connecting section 2 is connected to the working section 1. The included angle α between the connecting section 2 and the working section 1 is 60° to 180°.

[0039] As a further improvement to the above-mentioned factual manner, the coating is sprayed with a ceramic coating, an oil-based coating or an inorganic nano-coating.

[0040] As a further improvement on the above-mentioned factual manner, the thickness of the blade tip 5 is 5 μm to 300 μm.

[0041] As a further improvement on the above-mentioned factual manner, the working section 1, the connecting section 2 and the fixing section 3 are integrally formed.

[0042] As a further improvement on the above-mentioned factual manner, the material of the tool bit is a metal material. Through the design of the cutting edges 4 and the blade tip 5 of the cutting edge, when using the electrocoagulation tool bit provided by the present utility model for cutting, electric 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 shape and the concentrated heat energy can easily cut open 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.

[0043] The surgical electrode provided with the electrocoagulation tool bit of the present utility model makes the current of the tool bit 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.

[0044] The thickness range of the blade tip 5 of the electrocoagulation tool bit of the present utility model is 5 μm to 300 μm (μm is micrometer), and the use effect is better when the thickness range of the blade tip 5 of the electrocoagulation tool bit is 15 μm to 100 μm (μm is micrometer), ensuring a large current density during use and improving the smoothness of cutting.

[0045] The included angle a between the upper inclined surface 6 and the lower inclined surface 7 of the designed blade of the electrocoagulation tool bit of the present utility model is 17° to 60°, and the included angle b between the upper inclined surface 6 and the lower inclined surface 7 of the designed blade of the electrocoagulation tool bit 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.

[0046] The included angle between the upper inclined surface and the lower inclined surface of the blade of the electrocoagulation tool bit of the present utility model is 17° to 60°, and the cutting effect is better when the angle is 17° to 30° within this range, which can ensure the strength of the cutting edge and the concentrated release of current during cutting.

[0047] Obviously, the above embodiments are merely examples for clearly illustrating the technical solutions of the present utility model, rather than limitations on the implementation manners of the present utility model. The above-mentioned connection manners: movable connection, fixed connection, being connected, being joined, 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 alterations can be made based on the above description. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall all be included within the scope of the present utility model.

Claims

1. An electrocoagulation knife 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, a blade is provided at the outer edge of the working section, and a blade tip is provided on the blade; a coating is provided on the connecting section and the fixed section, a coating is provided on the area of ​​the working section except the blade tip, and no coating is provided on the 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 electrocoagulation blade head is curved as a whole, 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, and the angle α between the connecting section and the working section is 60°~180°.

2. The electrocoagulation head according to claim 1, characterized in that: The coating is sprayed with ceramic coating, oily coating or inorganic nano coating.

3. The electrocoagulation knife head according to claim 1, characterized in that: The thickness of the blade tip is 5 μm to 300 μm.

4. The electrocoagulation knife head according to claim 1, characterized in that: The working section, the connecting section and the fixing section are integrally formed.

5. The electrocoagulation knife head according to claim 1, characterized in that: The electrocoagulation blade head is made of metal.

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