CN219089623U

CN219089623U - High-frequency operation electrode tool bit

Info

Publication number: CN219089623U
Application number: CN202320080373.9U
Authority: CN
Inventors: 王俊; 鲁宜琴; 陈静; 王新江
Original assignee: Mossby Medical Wuhan Co ltd
Current assignee: Mossby Medical Wuhan Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-30
Anticipated expiration: 2033-01-13

Abstract

The utility model relates to a high-frequency operation electrode tool bit; including electrode bar and cover establish the insulating sleeve at the electrode bar middle part, the electrode bar includes the cutter arbor and the cutting edge of being connected with the cutter arbor, the junction of cutter arbor and cutting edge is the connection changeover portion, the one end that the connection changeover portion is close to the cutting edge is provided with the triangle strengthening rib, the triangle strengthening rib extends to on the cutting edge, the cutting edge is flat rectangular shape, the middle zone of cutting edge has the thickness in some regional thickness to the direction of one of them side or two sides along the middle zone gradually reduce, the front end of cutting edge is provided with the cutting head, the thickness of cutting head is along keeping away from the direction of cutter arbor gradually reduce. The electrode rod is formed in one step, any connecting transition section is free of connecting marks, the triangular reinforcing ribs are arranged at the connecting positions of the cutter bar and the cutting edge, and the electrode rod has the advantages of no appearance flaws, strong toughness and high strength on the basis of sufficient rigidity, and can meet the requirements of rapid, smooth, accurate and safe excision of pre-excised body tissues.

Description

High-frequency operation electrode tool bit

Technical Field

The utility model relates to the technical field of high-frequency electrotomes, in particular to a high-frequency surgical electrode tool bit.

Background

The high-frequency electrotome (electrode) is called electrotome for short, is used for cutting tissues and electric coagulation hemostasis, has wider and wider clinical application, and has double functions of cutting and coagulation. At present, the present utility model is applicable not only to direct-view surgery but also to endoscopic surgery such as laparoscopy. The high-frequency electric hemostatic device is generally composed of a blade (knife electrode), a handle, a connecting wire, a high-frequency generator, a patient electrode plate and the like, wherein the high-frequency generator outputs high-frequency current, and high temperature is formed at the contact position of the knife electrode and tissue, so that the aims of cutting the tissue and achieving electric coagulation hemostasis are achieved.

Although the existing high-frequency electrotome can meet the requirements of tissue cutting and electrocoagulation hemostasis, the structure of the electrotome head is simple, a doctor cannot cut the resected tissue and reserved tissue smoothly in the operation process, so that the tissue is easy to adhere and difficult to divide, carbonized substances are left on the high-frequency surgical electrode blade head in a large area, a carbon deposition layer is thickened and is difficult to clean, the odor concentration in the surgical air environment is increased, and meanwhile, due to the problem, the resected tissue can be completely resected and separated only by regulating high power of the high-frequency host computer when the doctor performs an operation, so that the operation time is prolonged, and the blood coagulation function of the high-frequency surgical electrode blade is inconvenient to play.

Disclosure of Invention

In order to solve the problems, the utility model provides a high-frequency operation electrode tool bit, which comprises an electrode rod and an insulating sleeve sleeved in the middle of the electrode rod, wherein the electrode rod comprises a tool bar and a cutting edge connected with the tool bar, the joint of the tool bar and the cutting edge is a connection transition section, one end of the connection transition section, which is close to the cutting edge, is provided with a triangular reinforcing rib, the triangular reinforcing rib extends to the cutting edge, the cutting edge is in a flat strip shape, the thickness of at least part of the middle area of the cutting edge gradually decreases along the direction from the middle area to one side edge or two side edges, the front end of the cutting edge is provided with a cutting head, and the thickness of the cutting head gradually decreases along the direction away from the tool bar.

Further, a plurality of anti-slip rings are arranged on the insulating sleeve, and gaps are arranged between the adjacent anti-slip rings.

Further, the rear end of the insulating sleeve is provided with an anti-rotation part, and the anti-rotation part is hexagonal.

Further, at least one groove is formed in the cutter bar, and the groove is located on the inner side of the insulating sleeve.

Further, one end of the connecting transition section, which is close to the cutter bar, is conical.

Further, the cross section of the blade is oblate.

Further, the front end of the cutting head is arc-shaped.

Further, the length of the blade is 10-30 mm.

Further, the width of the blade is 2-3 mm.

Further, the thickness of the thickest part of the middle area of the blade is 0.6-2.0 mm, and the thickness of the side edge of the blade is 0.2-1.5 mm.

Compared with the prior art, the utility model has the following beneficial effects due to the adoption of the technical scheme:

1) The high-frequency surgical electrode tool bit provided by the application is ingenious in design and reasonable in structure, the cutting edge is polished and ground, the anti-slip ring and the anti-rotation piece are arranged on the insulating sleeve, so that a medical staff can cut the tissue to be resected quickly, smoothly and accurately, and in the surgical process, the cut tissue and the tissue to be reserved can be separated quickly, the phenomenon of adhesion between the tissues is avoided, the surgical time is shortened greatly, and the pain of a patient is relieved; meanwhile, the surface of the blade is a streamline cambered surface, so that a carbon deposition layer on the blade can be effectively reduced, thereby ensuring the attractive shape of an operation part, effectively reducing the damage part and achieving the effect of minimally invasive;

2) The high-frequency operation electrode tool bit provided by the application has the advantages that the electrode rod is formed in one step, any connecting transition section has no connecting trace, and the joint of the cutter bar and the cutting edge is provided with the triangular reinforcing rib, so that the high-frequency operation electrode tool bit has the advantages of no appearance flaws, strong toughness and high strength on the basis of sufficient rigidity, and can meet the operation requirements of rapid, smooth, accurate and safe excision of pre-excised body tissues;

drawings

FIG. 1 is a schematic view of the structure of a high frequency surgical electrode tip of the present utility model;

FIG. 2 is a schematic view of the structure of the high frequency surgical electrode tips of different lengths according to the present utility model;

FIG. 3 is a schematic view of the structure of an electrode rod in the high-frequency operation electrode knife head of the utility model;

FIG. 4 is a side view of an electrode rod in a high frequency surgical electrode tip of the present utility model;

fig. 5 is a cross-sectional view of a high frequency surgical electrode tip according to the present utility model.

1-an electrode rod; 11-a cutter bar; 111-grooves; 12-cutting edge; 121-a cutting head; 13-connecting the transition section; 14-triangular reinforcing ribs; 2-an insulating sleeve; 21-an anti-slip ring; 22-anti-rotation member.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model. In the drawings, the size and relative sizes of certain parts may be exaggerated for clarity.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected" and "coupled" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be used in any form, such as directly or indirectly through an intermediate medium, or may be used in any form of communication between two elements or in any form of interaction between two elements, and the terms are specifically understood by those of ordinary skill in the art.

In the description of the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "center", "horizontal", "vertical", "top", "bottom", "inner", "outer", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not necessarily for indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

As shown in fig. 1 of the specification, the utility model provides a high-frequency operation electrode tool bit, which comprises an electrode rod 1 and an insulating sleeve 2 sleeved in the middle of the electrode rod 1, wherein the electrode rod 1 is preferably made of medical stainless steel, the electrode rod 1 comprises a tool bar 11 and a tool bit 12 connected with the tool bar 11, the tool bit 12 is made by polishing and grinding, in the embodiment, the direction of installing the tool bit is used as the front end, the other end is used as the rear end, the connection part of the tool bar 11 and the tool bit 12 is described, the connection transition part 13 is provided with a triangular reinforcing rib 14 at one end, close to the tool bit 12, of the connection transition part 13 is conical, the triangular reinforcing rib 14 extends onto the tool bit 12, the tool bit 12 is in a flat strip shape, the thickness of a middle area of the tool bit 12 is gradually reduced along the direction of the middle area to one side edge or two side edges, the front end of the tool bit 12 is provided with a cutting head 121, and the thickness of the cutting head 121 is gradually reduced along the direction away from the tool bit 11.

Specifically, the electrode rod 1 is manufactured by one-step forming, any connecting transition section has no connecting trace, the connecting transition section between the cutter bar 11 and the cutting edge 12 is provided with a triangular reinforcing rib 14, the triangular reinforcing rib 14 extends to the cutting edge 12, so that the electrode rod has the advantages of no appearance flaws, strong toughness, high strength and the like on the basis of being sufficiently rigid, the triangular reinforcing rib 14 is perpendicular to the cutting edge 12, the cutter bar 11 is sleeved with the insulating sleeve 2, in the practical use process, the length of the electrode rod can be long or short, the cutter bar 11 with proper length can be selected according to the use requirement, and the length of the cutter bar 11 is 100-154mm or 50-69mm.

According to the optimized implementation mode, a plurality of anti-slip rings 21 are arranged on the insulating sleeve 2, gaps are formed between the adjacent anti-slip rings 21, in this embodiment, three anti-slip rings 21 are sequentially arranged on the insulating sleeve 2, gaps are formed between the adjacent anti-slip rings 21, as shown in an attached drawing 2 of the specification, the anti-slip rings 21 are arranged at the end part of the insulating sleeve 2 when the length of the cutter rod 11 is short, the anti-slip rings 21 are arranged at the middle part of the insulating sleeve 2 when the length of the cutter rod 11 is medium, the anti-slip rings 21 are arranged close to the rear end of the insulating sleeve 2 when the length of the cutter rod 11 is long, and the positions of the anti-slip rings 21 are set according to actual requirements, so that the anti-slip rings are not limited in this application.

According to the optimized embodiment, the anti-rotation piece 22 is arranged at the rear end of the insulating sleeve 2, the anti-rotation piece 22 is hexagonal, the anti-rotation piece 22 is arranged on the insulating sleeve 2, the high-frequency operation electrode tool bit can be prevented from rotating in the using process, the operation of medical staff is influenced, preferably, the insulating sleeve 2 can be made of rubber or silica gel, and is sleeved on the cutter bar 11 through injection molding.

In an optimized embodiment, as shown in fig. 3 and 4 of the specification, the blade 12 is a flat three-sided blade, the cutter bar 11 is circular, at least one groove 111 is formed on the cutter bar 11 in a ring manner, the groove 111 is located at the inner side of the insulating sleeve 2, and the groove 111 can play a role in preventing slipping in connection of the injection-molded insulating sleeve 2 and the cutter bar 11, so that the fit degree of the insulating sleeve 2 and the electrode rod 1 is increased.

In a refinement embodiment, as shown in fig. 5 of the specification, the cross section of the blade 12 is in a flat circular shape, the thickness of the middle area of the blade 12 is gradually reduced along the direction from the middle area to two sides so as to form a side blade part in the side edge area of the blade 12, the surface of the blade 12 is a streamline cambered surface, and the blade of the conventional blade is changed into a streamline cambered surface from a plane, so that the cutting resistance and tissue adhesion can be effectively reduced to reduce a carbon deposit layer; the front end of the blade 12 is provided with a cutting head 121, and the thickness of the cutting head 121 is gradually reduced along the direction away from the cutter bar 11, so that the front end area of the cutting head 121 forms a front blade part, and the front end of the cutting head 121 is arc-shaped.

In a refinement, the length of the blade is 10-30 mm, the width is 2-3 mm, preferably, the length of the blade is 19mm, the width of the blade is 2.3mm, the thickness of the thickest part of the middle area of the blade is 0.8mm, and the thickness of the side edge of the blade is 0.6mm.

And all that is not described in detail in this specification is well known to those skilled in the art.

In summary, the utility model provides the high-frequency operation electrode tool bit, the electrode rod is formed at one time, no connecting trace exists, the joint of the cutter bar and the cutting edge is provided with the triangular reinforcing rib, the high-frequency operation electrode tool bit has the advantages of no appearance flaws, strong toughness and high strength on the basis of ensuring rigidity, can meet the operation requirement of rapidly, smoothly, accurately and safely cutting off the pre-cut body tissue, can effectively separate the cut tissue from the tissue to be kept in the operation process, avoids the phenomenon of adhesion between the tissues, greatly shortens the operation time and relieves the pain of patients; simultaneously, effectively reduce the carbon deposit layer on the cutting edge, promote the operation cutting effect, the upper shed of blood coagulation is level and smooth during the operation to guarantee that operation position shape is pleasing to the eye, effectively reduce the damage position, reach the effect of wicresoft.

It will be appreciated by those skilled in the art that the utility model can be embodied in many other specific forms without departing from the spirit or scope of the utility model. Although an embodiment of the present utility model has been described, it is to be understood that the utility model is not limited to this embodiment, and that variations and modifications may be effected by one skilled in the art within the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a high-frequency operation electrode tool bit, its characterized in that is in including electrode bar and cover insulating tube at electrode bar middle part, the electrode bar includes the cutter arbor and with the cutting edge of cutter arbor connection, the cutter arbor with the junction of cutting edge is for connecting the changeover portion, the changeover portion is close to the one end of cutting edge is provided with the triangle strengthening rib, the triangle strengthening rib extends to on the cutting edge, the cutting edge is flat rectangular, the middle zone of cutting edge is at least partly regional thickness along the direction of middle zone to one of them side or two sides reduces gradually, the front end of cutting edge is provided with the cutting head, the thickness of cutting head is followed keep away from the direction of cutter arbor reduces gradually.

2. The high-frequency surgical electrode cutting head according to claim 1, wherein a plurality of anti-slip rings are provided on the insulating sleeve, and gaps are provided between adjacent anti-slip rings.

3. The high frequency surgical electrode tip of claim 2, wherein the rear end of the insulating sleeve is provided with an anti-rotation member, the anti-rotation member being hexagonal.

4. The high frequency surgical electrode cutting head of claim 3 wherein at least one recess is provided in said shaft, said recess being located inside said insulating sleeve.

5. The high frequency surgical electrode tip of claim 1, wherein an end of the connecting transition section adjacent the shaft is conical.

6. The high frequency surgical electrode cutting head of claim 1 wherein the blade has an oblate cross-section.

7. The high frequency surgical electrode tip of claim 1, wherein the front end of the cutting head is arcuate.

8. The high frequency surgical electrode tip of claim 1, wherein the blade has a length of 10 to 30mm.

9. The high frequency surgical electrode tip of claim 1, wherein the blade has a width of 2-3 mm.

10. The high-frequency surgical electrode tip according to claim 1, wherein the thickness of the thickest part of the intermediate region of the blade is 0.6 to 2.0mm, and the thickness of the side edge of the blade is 0.2 to 1.5mm.