CN211325563U - Needle type electrode structure and operation electrode - Google Patents
Needle type electrode structure and operation electrode Download PDFInfo
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- CN211325563U CN211325563U CN201921926265.9U CN201921926265U CN211325563U CN 211325563 U CN211325563 U CN 211325563U CN 201921926265 U CN201921926265 U CN 201921926265U CN 211325563 U CN211325563 U CN 211325563U
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Abstract
The utility model discloses a needle-shaped electrode structure and an operation electrode, which belong to the field of medical instruments, wherein the needle-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 frustum section which are coaxially connected, the big end of the frustum section is connected with the left end of the main body section, and the big end surface of the frustum section is the same as the left end surface of the main body section; the surface of the electrode cutter head is smooth, the electrode cutter head is needle-shaped, the right end of the electrode cutter head is coaxially connected with the small end of the frustum section, the end surface of the right end of the electrode cutter head is the same as that of the small end of the frustum section, and the left end of the electrode cutter head is provided with a needle point; 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 effectively guarantee that the electrode tool bit neither can burn unnecessary tissue when carrying out meticulous operation, also can not cause to the organizational structure and pull, cut wound.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to needle 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, chinese utility model patent publication No. CN208958321U, chinese utility model patent publication No. CN208756154U, and chinese utility model patent publication No. CN208974094U all disclose an operation electrode.
However, in the electrode structure in the above patent, the surface of the electrode tip is not smooth enough, so when the electrode tip is used, especially when coagulation is performed on tissue, the rough surface of the electrode tip is prone to pulling tissue, which causes additional damage to the tissue.
Meanwhile, when gynecology and cosmetic surgery are performed, fine operation on tissues is often needed, but the existing electrode bit is wide and is not suitable for fine operation.
SUMMERY OF THE UTILITY MODEL
To the problem that the electrode tool bit of the operation electrode that prior art exists harms the tissue easily and is not suitable for meticulous operation, the utility model aims to provide a needle type electrode structure.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a needle-type 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 frustum section which are coaxially connected, the large end of the frustum section is connected to the left end of the main body section, and the end face of the large end of the frustum section is the same as the end face of the left end of the main body section; the electrode tool bit is smooth in surface, is needle-shaped, is coaxially connected to the small end of the frustum section, and is the same as the small end of the frustum section in end face at the right end, and is provided with a needle point at the left end; 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.
Preferably, the electrode bit, the frustum section and the main body section are integrally formed.
Preferably, the electrode tool bit and the main body section are both cylindrical, and the frustum section is truncated cone-shaped.
Preferably, the diameter of the electrode tool bit is 0.8-1.2mm, and the taper of the frustum section is 10-15 degrees.
Preferably, the diameter of the electrode cutter head is 1mm, and the taper of the frustum section is 14 degrees.
Preferably, the diameter of the main body section is 2-3 mm.
Preferably, the length of the needle-type electrode structure is 140-160mm, the length of the electrode bit is 15-20mm, and the length of the main body section protruding out of the insulation sleeve is 15-25 mm.
Preferably, the outer wall of the connecting part is regular hexagonal.
Preferably, the insulating sleeve is a thermoplastic pipe or an ABS injection molding pipe; the outer wall 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.
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 arrangement of the electrode cutter head in the shape of the needle ensures that the slender shape and the needle point of the electrode structure of the utility model can ensure that only a small amount of tissues are contacted in one operation when the electrode structure is used, thereby being suitable for the requirement of fine operation; meanwhile, the needle-shaped electrode tool bit has a straight structure and a smooth and flat surface, so that the tissue cannot be pulled and accidentally scratched or cut in the process of contacting the electrode tool bit with 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 needle-shaped electrode structure according to the present invention.
In the figure, 1-electrode cutter head, 2-conducting rod, 21-main body segment, 22-frustum 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.
Example one
As shown in fig. 1, a needle-type electrode structure includes an electrode bit 1, a conductive rod 2, and an insulating sleeve 3. In this embodiment, the electrode tip 1 and the conductive rod 2 are made of metal, such as 304 stainless steel.
The conducting rod 2 comprises a straight main body section 21 and a straight frustum section 22, wherein the large end of the frustum section 22 is coaxially connected to the left end of the main body section 21, and the large end face of the frustum section 22 is the same as the left end face of the main body section 21, where the end faces are the same, which means that the end faces have the same shape and size, that is, the end faces of the two are completely overlapped after being butted.
The main body section 21 is generally cylindrical, and thus the frustum section 22 is truncated conical; however, this is not a limitation in another embodiment where the main body section 21 is a rectangular parallelepiped and the frustum section 22 is a truncated quadrangular pyramid. In this embodiment, the main body section 21 and the frustum section 22 are integrally formed.
The electrode tool bit 1 is needle-shaped, the whole electrode tool bit is cylindrical, and the length-diameter ratio is more than 10; the right end of the electrode tool bit 1 is coaxially connected to the small end of the frustum section 22, and the right end face of the electrode tool bit 1 is identical to the small end face of the frustum section 22, where the end faces are identical means that the right end face of the electrode tool bit 1 is identical to the small end face of the frustum section 22 in shape and size, and the end faces of the two are completely overlapped after being butted. In this embodiment, the left end of the electrode tip 1 is provided with a needle tip, which is conical, of course. In this embodiment, the surface of the electrode tip 1 is smooth, for example, by polishing, grinding or providing a coating on the surface of the electrode tip 1.
The arrangement of the electrode cutter head 1 in a needle shape ensures that the slender shape and the needle point of the electrode structure of the utility model can ensure that only a small amount of tissues are contacted in one operation when the electrode structure is used, thereby being suitable for the requirement of fine operation; meanwhile, the needle-shaped electrode tool bit 1 has a straight structure and a smooth and flat surface, so that the tissue cannot be pulled, accidentally scratched or cut in the process of contacting the electrode tool bit 1 with the tissue.
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 outer wall 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 protrusion. For example five, equally spaced annular flanges are provided at right positions on the insulating sleeve 3.
The electrode structure is provided with the electrode tool bit 1 with the diameter of 0.8-1.2mm, preferably 1mm in the embodiment; the taper of the frustum section 22 is 10-15 deg., as shown by angle a in fig. 1, and the preferred embodiment is 14 deg.. The diameter of the main body section 21 is 2-3mm, preferably 2.36mm in this embodiment.
The total length of the electrode structure is set to 140-160mm, preferably 153mm in this embodiment; the length of the electrode tool bit 1 is 15-20mm, the preferred embodiment is 18.26mm, and the electrode tool bit comprises a 2.8mm long needle point; the length of the insulating sleeve 3 is arranged to be 105mm and the length of the protruding main body section 21 of the insulating sleeve 3 is arranged to be 15-25mm, preferably 20.5mm in this embodiment, the protruding part being intended for connection with the circuitry inside the housing. The hexagonal connecting portion 31 has a diagonal width of 3.2mm and a diagonal width of 3.7 mm.
Example two
It differs from the first embodiment only in that: in the present embodiment, the diameter of the electrode tip 1 is set to 0.8mm, the taper of the frustum section 22 is set to 10 °, the diameter of the main body section 21 is set to 2mm, the total length of the needle-type electrode structure is set to 140mm, the length of the electrode tip 1 is set to 15mm, and the length of the main body section 21 protruding out of the insulating sleeve 3 is set to 15 mm.
EXAMPLE III
It differs from the first embodiment only in that: in the present embodiment, the diameter of the electrode tip 1 is set to be 1.2mm, the taper of the frustum section 22 is set to be 15 °, the diameter of the main body section 21 is set to be 3mm, the total length of the needle-type electrode structure is set to be 160mm, the length of the electrode tip 1 is set to be 20mm, and the length of the main body section 21 protruding out of the insulating sleeve 3 is set to be 25 mm.
On the basis of the needle-shaped electrode structure in any of the above embodiments, the utility model also discloses an operation electrode, also known as an electric knife pen, which comprises a shell and an electrode structure, wherein the electrode structure is the above-mentioned electrode structure, and the shell is provided with a mounting hole matched with the connecting part 31.
When the electrode structure is used, the electrode structure is firstly arranged on a shell of an operation electrode or a knife pen, 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; the shell of the hand-held electric knife pen enables the electrode knife head 1 to extend into tissues, and the electrode knife head 1 in the needle shape and smooth in surface guarantees that the tissues are not scratched and the fine operation is facilitated when the fine operation is performed on the tissues in the gynecology and cosmetic surgery.
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 needle-type electrode structure characterized by: 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 frustum section which are coaxially connected, the large end of the frustum section is connected to the left end of the main body section, and the large end face of the frustum section is the same as the left end face of the main body section; the electrode tool bit is smooth in surface, is needle-shaped, is coaxially connected to the small end of the frustum section, and is the same as the small end of the frustum section in end face at the right end, and is provided with a needle point at the left end; 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 needle electrode structure of claim 1, wherein: the electrode tool bit, the frustum section and the main body section are integrally formed.
3. The needle electrode structure of claim 1, wherein: the electrode tool bit the main body section is cylindrical, and the frustum section is truncated cone-shaped.
4. The needle electrode structure of claim 3, wherein: the diameter of the electrode cutter head is 0.8-1.2mm, and the taper of the frustum section is 10-15 degrees.
5. The needle electrode structure of claim 4, wherein: the diameter of the electrode cutter head is 1mm, and the taper of the frustum section is 14 degrees.
6. The needle electrode structure of claim 5, wherein: the diameter of the main body section is 2-3 mm.
7. The needle electrode structure of claim 6, wherein: the length of the needle-shaped electrode structure is 140-160mm, the length of the electrode tool bit is 15-20mm, and the length of the main body section protruding out of the insulation sleeve is 15-25 mm.
8. The needle electrode structure of claim 1, wherein: the outer wall of the connecting part is regular hexagon.
9. The needle electrode structure of claim 1, wherein: the insulating sleeve is a thermoplastic pipe or an ABS injection molding pipe; the outer wall 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: further comprising a needle electrode structure according to any one of claims 1 to 9, wherein the housing is provided with a mounting hole adapted to the connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926265.9U CN211325563U (en) | 2019-11-08 | 2019-11-08 | Needle type electrode structure and operation electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921926265.9U CN211325563U (en) | 2019-11-08 | 2019-11-08 | Needle type electrode structure and operation electrode |
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| CN211325563U true CN211325563U (en) | 2020-08-25 |
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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
- 2019-11-08 CN CN201921926265.9U patent/CN211325563U/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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