CN211460496U - Knife-shaped electrode structure and operation electrode - Google Patents
Knife-shaped electrode structure and operation electrode Download PDFInfo
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- CN211460496U CN211460496U CN201921882008.XU CN201921882008U CN211460496U CN 211460496 U CN211460496 U CN 211460496U CN 201921882008 U CN201921882008 U CN 201921882008U CN 211460496 U CN211460496 U CN 211460496U
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Abstract
The utility model discloses a knife-shaped electrode structure and an operation electrode, which belong to the field of medical instruments, wherein the knife-shaped electrode structure comprises an electrode tool bit, a conductive rod and an insulating sleeve, the conductive rod comprises a main body section and a conical transition section which are coaxially connected, the big end of the conical transition section is connected with the left end of the main body section, and the big end surface of the conical transition section is the same as the left end surface of the main body section; the electrode tool bit is in a strip-shaped and flat sheet-shaped structure, the length direction of the electrode tool bit is parallel to the conducting rod, the surface of the electrode tool bit is smooth, and the right end of the electrode tool bit is connected to the left end of the conical transition section; the fixed cover of insulation support is established on the main part section, and insulation support's right-hand member is provided with connecting portion, and the outer wall of connecting portion is non-circular, and the right-hand member of main part section is outstanding insulation support. The utility model has the advantages of simple structure and reasonable design, can enough guarantee that the electrode tool bit is convenient for cut the tissue, can also effectually prevent that its surface from dragging to weaving constitution.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to sword type electrode structure and operation electrode.
Background
The operation electrode is also called as an electric knife pen, is a common minimally invasive instrument used in the surgical operation process of hospitals, is applied to clinic from 1920 years, and is gradually one of important modern medical equipment in an operation room at present. The operation electrode is an electrosurgical energy instrument, belongs to an operation instrument, has the functions of separation and cutting, and also has the functions of blood coagulation and hemostasis, gradually replaces the traditional scalpel in the operation, and is generally applied clinically.
Generally, the electric knife pen comprises a shell for holding and an electrode structure installed on the shell, a power supply wiring and various control switches are generally arranged on the shell, the electrode structure comprises an electrode knife head and a knife holder and other structures used for connecting the electrode knife head to the shell, when the electric knife pen is used, the electrode structure is installed on the shell, the electrode knife head is connected with the power supply, and then the working mode of the electrode knife head is controlled through the control switches to perform an operation.
For example, a chinese utility model patent publication No. CN208958321U, a chinese utility model patent publication No. CN208756154U, and a chinese utility model patent publication No. CN208974094U all disclose an operation electrode.
However, in the electrode structure disclosed in the above patent, the surface of the electrode tip is not smooth enough, and the structure is not flat enough, so that the electrode tip is easy to pull when used for cutting tissue, and the tissue is damaged additionally.
SUMMERY OF THE UTILITY MODEL
The problem of the tissue is dragged easily to the electrode tool bit of the operation electrode that prior art exists, the utility model aims to provide a sword type electrode structure.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a knife-shaped electrode structure comprises an electrode tool bit, a conductive rod and an insulating sleeve, wherein the conductive rod comprises a main body section and a conical transition section which are coaxially connected, the large end of the conical transition section is connected to the left end of the main body section, and the end face of the large end of the conical transition section is the same as the end face of the left end of the main body section; the electrode tool bit is of a strip-shaped and flat sheet-shaped structure, the length direction of the electrode tool bit is parallel to the conducting rod, the surface of the electrode tool bit is smooth, and the right end of the electrode tool bit is connected to the left end of the conical transition section; the insulating sleeve is fixedly sleeved on the main body section, a connecting part is arranged at the right end of the insulating sleeve, the outer wall of the connecting part is non-circular, and the right end of the main body section protrudes out of the insulating sleeve.
Furthermore, an open slot is formed in the left side of the conical transition section, and the electrode cutter head is fixedly embedded in the open slot.
Preferably, the electrode bit, the conical transition section and the main body section are integrally formed.
Preferably, the axis of the conducting rod coincides with the central axis of the electrode cutter head in the length direction.
Preferably, the electrode tool bit is rectangular, and the left end of the electrode tool bit is rounded.
Preferably, the electrode tool bit is 13mm in length, 2.3mm in width and 0.5mm in thickness; the length of the conductive rod is 40-60mm, and the diameter of the main body section is 2.36 mm.
Preferably, the outer wall of the connecting part is regular hexagonal.
Preferably, the insulation sleeve is a thermoplastic pipe or an ABS injection molding pipe.
Furthermore, the left end of the insulating sleeve is provided with an anti-skid part, and the anti-skid part is an annular flange, an anti-skid pattern or an anti-skid bulge.
The utility model also discloses an operation electrode, including the casing, still include foretell electrode structure, be provided with on the casing with the mounting hole of junction looks adaptation.
By adopting the technical scheme, the electrode tool bit with the strip-shaped sheet structure and the smooth surface is arranged, so that when the electrode structure is used, the electrode tool bit has a structure convenient for cutting tissues; meanwhile, the smooth surface of the electrode tool bit also ensures that the tissue is not dragged when in use, thereby effectively reducing the occurrence of the condition of extra damage to the tissue.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a knife-shaped electrode structure according to the present invention;
fig. 2 is a top view of the knife-shaped electrode structure of the present invention.
In the figure, 1-electrode cutter head, 2-conducting rod, 21-main body segment, 22-conical transition segment, 3-insulating sleeve, 31-connecting part and 32-antiskid part.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "back", etc. indicate the orientation or position relationship based on the description of the structure of the present invention shown in fig. 1, and are only for convenience of description of the present invention, but do not indicate or imply that the device or element 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 invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in relation to the present scheme in specific terms according to the general idea of the present invention.
As shown in fig. 1 and 2, a knife-type electrode structure includes an electrode bit 1, a conductive rod 2 and an insulating sleeve 3. Wherein the electrode tip 1 and the conducting rod 2 are made of metal, such as 304 stainless steel.
The conductive rod 2 comprises a straight main body section 21 and a straight tapered transition section 22, wherein the large end of the tapered transition section 22 is coaxially connected to the left end of the main body section 21, and the large end surface of the tapered transition section 22 is the same as the left end surface of the main body section 21 (the same end surface means that the end surfaces have the same shape and the same size, that is, the end surfaces of the two are completely overlapped after being butted).
Wherein the main body section 21 is generally cylindrical, and the tapered transition section 22 is conical; however, this is not intended to be limiting, and in another embodiment the main body section 21 is a rectangular parallelepiped and the tapered transition section 22 is a quadrangular pyramid. In this embodiment, the main body section 21 and the tapered transition section 22 are integrally formed.
The electrode tool bit 1 is in a strip-shaped and flat sheet-shaped structure, the length direction (left and right direction in the figure) of the electrode tool bit 1 is parallel to the conducting rod 2, and the strip-shaped and flat sheet-shaped structure enables the electrode tool bit 1 to be beneficial to cutting tissues;
meanwhile, the surface of the electrode tip 1 is smooth, for example, by grinding or polishing, or is provided with a coating; the smooth surface guarantees that the electrode cutter head 1 cannot pull the tissue when in use, thereby effectively reducing the occurrence of the condition of extra damage to the tissue.
The right end of the electrode tip 1 is connected to the left end of the conical transition section 21. On the position of electrode tool bit 1 relative conducting rod 2, set up the axis of electrode tool bit 1 length direction and the coincidence of the axis of conducting rod 2, make a part on electrode tool bit 1 right side stretch into in the left part of toper changeover portion 22 simultaneously (improve the coincidence area between them) to this structural stability and the holistic structural strength after improving both connections. For example, the left side of the tapered transition section 22 is provided with an open slot, and the electrode tool bit 1 is fixedly embedded in the open slot and then welded with the open slot; alternatively, the electrode blade 1 is formed on the left side of the tapered transition section 22 by integral molding, and the embodiment adopts integral molding.
In this embodiment, electrode tool bit 1 is whole to be rectangle, and electrode tool bit 1's left end radius is handled, and the unexpected fish tail tissue of rectangular right angle can be prevented on the one hand in the radius processing, and on the other hand this right angle causes the tissue to drag when also can preventing to remove electrode tool bit 1. In the present embodiment, the electrode tip 1 is set to have a length of 13mm, a width of 2.3mm, and a thickness of 0.5 mm.
Typically, the conductive rod 2 has a length of 40-60mm and a body section diameter of 2.36 mm; in this embodiment, the overall length of the electrode structure is set to 69 mm.
Because the electrode structure described above needs to connect the conductive rod 2 to the casing of the electric knife pen when in use, in order to facilitate installation, in this embodiment, the conductive rod 2, specifically, the main body section 21 is sleeved with the insulating sleeve 3, and the insulating sleeve 3 is fixedly sleeved on the main body section 21, for example, by adhering, or by fastening, or by injection molding, the fixing is achieved.
While the right end of the insulating sleeve 3 is provided with a connecting portion 31 for connection with the housing, the connecting portion 31 is characterized in that the outer wall thereof has a non-circular cross-section, and accordingly, the housing of the electric pencil is generally provided with a mounting hole for insertion of the connecting portion 31. Therefore, non-circular cross-section's connecting portion 31 can guarantee the utility model discloses an electrode structure can not rotate after installing on the electric knife pen. For example, the connecting portion 31 may have an oval shape or a square shape. In the present embodiment, the cross section of the outer wall of the connecting portion 31 is preferably regular hexagonal.
The insulating sleeve 3 can be a thermoplastic pipe or an ABS injection molding pipe.
Meanwhile, in order to facilitate the removal of the electrode structure from the casing of the electric knife pen, the left end of the insulating sleeve 3 is provided with an anti-slip portion 32, and the anti-slip portion 32 is an annular flange, an anti-slip pattern or an anti-slip bump.
Meanwhile, the position of the insulating sleeve 3 on the conducting rod 2 is suitable for exposing the conducting rod 2 with a length of 16.3mm at the right side to facilitate connection with a circuit.
In this embodiment, the length that sets up insulating sleeve 3 is 26.5mm, and the diameter is 3.85mm, and the diameter of annular flange is 5.1mm, width is 1.3mm, and two adjacent annular flange interval 5.2mm set up to the length that sets up connecting portion 31 is 3mm, and connecting portion 31's opposite side is 3.2mm wide, 3.7mm wide at the diagonal.
On the basis of the electrode structure, the utility model also discloses an operation electrode, also known as electric knife pen, it includes casing and electrode structure, and wherein this electrode structure is foretell electrode structure promptly, is provided with the mounting hole with connecting portion 31 looks adaptation on the casing.
When the electrode structure is used, the electrode structure is firstly installed on a shell of an operation electrode or a knife pen on a host machine such as a high-frequency electrotome, a leep therapeutic apparatus, a radio frequency therapeutic apparatus and the like, so that the conducting rod 2 is communicated with a circuit, and parameters such as output power, frequency and the like are controlled through a control switch on the shell, so that the electrode knife head 1 is in an applicable working mode; handheld casing makes electrode tool bit 1 stretch into in the tissue, combines the effect of high frequency current to carry out the high-efficient cutting to the tissue through its flat sheet structure, and its smooth surface then can be used for not only burning and blood coagulation to the tissue, can prevent to organize the constitution and pull again.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (10)
1. A knife-type electrode structure is characterized in that: the electrode comprises an electrode tool bit, a conductive rod and an insulating sleeve, wherein the conductive rod comprises a main body section and a conical transition section which are coaxially connected, the large end of the conical transition section is connected to the left end of the main body section, and the end face of the large end of the conical transition section is the same as the end face of the left end of the main body section; the electrode tool bit is of a strip-shaped and flat sheet-shaped structure, the length direction of the electrode tool bit is parallel to the conducting rod, the surface of the electrode tool bit is smooth, and the right end of the electrode tool bit is connected to the left end of the conical transition section; the insulating sleeve is fixedly sleeved on the main body section, a connecting part is arranged at the right end of the insulating sleeve, the outer wall of the connecting part is non-circular, and the right end of the main body section protrudes out of the insulating sleeve.
2. The blade electrode structure of claim 1, wherein: an open slot is arranged on the left side of the conical transition section, and the electrode tool bit is fixedly embedded in the open slot.
3. The blade electrode structure of claim 1 or 2, wherein: the electrode tool bit, the conical transition section and the main body section are integrally formed.
4. The blade electrode structure of claim 2, wherein: the axis of the conducting rod coincides with the central axis of the electrode cutter head in the length direction.
5. The blade electrode structure of claim 4, wherein: the electrode tool bit is rectangular, and the left end of the electrode tool bit is rounded.
6. The blade electrode structure of claim 5, wherein: the length of the electrode cutter head is 13mm, the width of the electrode cutter head is 2.3mm, and the thickness of the electrode cutter head is 0.5 mm; the length of the conductive rod is 40-60mm, and the diameter of the main body section is 2.36 mm.
7. The blade electrode structure of claim 1, wherein: the outer wall of the connecting part is regular hexagon.
8. The blade electrode structure of claim 1, wherein: the insulating sleeve is a thermoplastic pipe or an ABS injection molding pipe.
9. The blade electrode structure of claim 1, wherein: the left end of the insulating sleeve is provided with an anti-slip part, and the anti-slip part is an annular flange, an anti-slip pattern or an anti-slip bulge.
10. A surgical electrode comprising a housing, characterized in that: the electrode structure of any one of claims 1 to 9, further comprising a mounting hole provided in the housing for fitting the connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921882008.XU CN211460496U (en) | 2019-11-04 | 2019-11-04 | Knife-shaped electrode structure and operation electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921882008.XU CN211460496U (en) | 2019-11-04 | 2019-11-04 | Knife-shaped electrode structure and operation electrode |
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| CN211460496U true CN211460496U (en) | 2020-09-11 |
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| CN201921882008.XU Active CN211460496U (en) | 2019-11-04 | 2019-11-04 | Knife-shaped electrode structure and operation electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121687A1 (en) * | 2020-12-08 | 2022-06-16 | 南微医学科技股份有限公司 | High-frequency electrosurgical knife and medical equipment |
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2019
- 2019-11-04 CN CN201921882008.XU patent/CN211460496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121687A1 (en) * | 2020-12-08 | 2022-06-16 | 南微医学科技股份有限公司 | High-frequency electrosurgical knife and medical equipment |
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