CN116211443A - Bipolar electric surgical knife - Google Patents

Bipolar electric surgical knife Download PDF

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Publication number
CN116211443A
CN116211443A CN202211505083.0A CN202211505083A CN116211443A CN 116211443 A CN116211443 A CN 116211443A CN 202211505083 A CN202211505083 A CN 202211505083A CN 116211443 A CN116211443 A CN 116211443A
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CN
China
Prior art keywords
ring
fixed
rotating
power supply
rings
Prior art date
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Pending
Application number
CN202211505083.0A
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Chinese (zh)
Inventor
钱景鸿
郑小兵
于培杰
张志远
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Alphamax Medical Technology Shanghai Co ltd
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Alphamax Medical Technology Shanghai Co ltd
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Publication date
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Priority to CN202211505083.0A priority Critical patent/CN116211443A/en
Publication of CN116211443A publication Critical patent/CN116211443A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B2018/1246—Generators therefor characterised by the output polarity
    • A61B2018/126—Generators therefor characterised by the output polarity bipolar
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention provides a bipolar surgical electric knife which comprises a knife head, an outer sleeve fixing seat, a fixed ring, a conversion seat, a fixed ring power supply wire, a knife head electrode power supply wire, a rotating ring and a handle shell, wherein the conversion seat is fixed on the outer sleeve fixing seat by the rotating ring, so that the outer sleeve fixing seat, the conversion seat and the rotating ring cannot rotate relatively, one end of the knife head electrode power supply wire is connected with the rotating ring, the other end of the knife head electrode power supply wire is connected with an electrode of the knife head, the fixed ring is fixed with the handle shell, the fixed ring is in friction contact with the rotating ring, one end of the fixed ring power supply wire is fixed on the handle shell, and the other end of the fixed ring power supply wire is connected with the fixed ring. The technical scheme solves the problem that the power wire inside the electric knife is wound in the rotation process of the knife head, realizes 360-degree rotation of the knife head, and increases convenience in the operation process of doctors.

Description

Bipolar electric surgical knife
Technical Field
The invention relates to the field of medical instruments, in particular to a surgical bipolar electrotome capable of rotating 360 degrees.
Background
The bipolar electrotome used for the operation in the prior art coagulates the tissue, can necrotize the tissue and coagulate the blood, and then physically cuts the coagulated tissue by pushing the blade at the jaw part. However, most of the bipolar surgical scalpels in the prior art cannot realize 360-degree rotation, and certain inconvenience is brought to the operation of doctors.
In the prior art, a power line is arranged in a product, one end of the power line is connected with a cutter head jaw electrode, the other end of the power line extends out of a handle shell and is inserted with a host after being fixed in the product, and if a surgical bipolar electric knife wants to realize 360-degree rotation, the power line can be wound and twisted together and even twisted off in the rotation process of the cutter head, so that the product cannot work normally.
Therefore, a surgical bipolar electrotome capable of rotating 360 degrees is to be proposed.
Disclosure of Invention
The invention provides a surgical bipolar electrotome capable of rotating 360 degrees, which at least solves the technical problem that most surgical bipolar electrotomes in the prior art cannot rotate 360 degrees, and brings certain inconvenience to the operation of doctors.
The invention provides a bipolar surgical electric knife which comprises a knife head, an outer sleeve fixing seat, a fixed ring, a conversion seat, a fixed ring power supply wire, a knife head electrode power supply wire, a rotating ring and a handle shell, wherein the conversion seat is fixed on the outer sleeve fixing seat by the rotating ring, so that the outer sleeve fixing seat, the conversion seat and the rotating ring cannot rotate relatively, one end of the knife head electrode power supply wire is connected with the rotating ring, the other end of the knife head electrode power supply wire is connected with an electrode of the knife head, the fixed ring is fixed with the handle shell, the fixed ring is in friction contact with the rotating ring, one end of the fixed ring power supply wire is fixed on the handle shell, and the other end of the fixed ring power supply wire is connected with the fixed ring.
Optionally, the rotating ring includes a rotating ring inner surface and a rotating ring outer surface, the fixing ring includes a fixing ring inner surface and a fixing ring outer surface, the rotating ring inner surface is connected to one end of the power supply line of the tool bit electrode, and the rotating ring outer surface is in frictional contact with the fixing ring inner surface.
Optionally, the fixed ring power supply line and the tool bit electrode power supply line are in frictional contact with the rotating ring through the fixed ring and then conduct electricity.
Optionally, the tool bit electrode power supply line rotates along with rotation of the rotating ring, and the fixed ring power supply line is stationary relative to the handle shell.
Optionally, the number of the conversion seat and the number of the rotating rings are two, and the two conversion seats are fixed on the outer sleeve fixing seat by the two rotating rings.
Optionally, the number of the fixing rings is two, the two fixing rings and the two rotating rings are coaxially assembled respectively, and the inner surfaces of the two fixing rings are in friction contact with the outer surfaces of the two rotating rings respectively in the rotating process of the rotating rings.
Optionally, one end of the power supply line for the tool bit electrode is divided into two power lines, the two power lines are respectively connected with the inner surfaces of the rotating rings of the two rotating rings, and the other end of the power supply line for the tool bit electrode is connected with the inner electrode of the tool bit.
Optionally, one end of the fixed ring power supply line is fixed on the handle shell, and the other end of the fixed ring power supply line is divided into two power lines and connected with the two fixed rings respectively.
Optionally, the bipolar electrotome further includes a rotating head insert, a sleeve positioning member, and a rotating head, wherein the rotating head is fixed with the rotating head insert, the rotating head insert is fixed with the sleeve positioning member, the sleeve positioning member is fixed with the outer sleeve fixing seat through a screw, the tool bit is fixed with the outer sleeve fixing seat, and the limiting groove of the handle shell limits the conversion seat, so that the conversion seat can only axially rotate.
Optionally, the fixing ring and the rotating ring are conductors, and the tool bit, the outer sleeve fixing seat, the conversion seat and the rotating ring keep synchronous in the rotating process, so as to drive the tool bit to realize 360-degree free rotation;
in the rotating process, the fixed ring which is connected with the power supply charges the rotating ring through frictional contact with the rotating ring, and the rotating ring transmits electric energy to the inner electrode of the cutter head through the cutter head electrode power supply wire.
The improvement point of the technical proposal of the invention is that the structure of a rotating ring, a fixed ring and a conversion seat is added: preferably, the rotating ring and the fixed ring are made of copper, and can conduct electricity when contacting each other; the conversion seat is used for fixing the rotating ring, is made of plastic and is non-conductive. Meanwhile, the earlier-stage power line is split into two sections: one section is connected with the cutter head electrode and the rotating ring, and the other section is connected with the fixed ring and the host. In the rotating process, the rotating ring is kept in contact with the fixed ring, an external power supply is connected with the host machine, the host machine provides power for the fixed ring through a power line, the fixed ring provides power for the rotating ring through contact conduction with the rotating ring, and the electrified rotating ring provides power for the cutter head electrode through the power line. The technical scheme solves the problem that the power wire inside the electric knife is wound in the rotation process of the knife head, realizes 360-degree rotation of the knife head, and increases convenience in the operation process of doctors.
The invention overcomes the defects in the prior art, and enables a doctor to freely rotate the tool bit in the operation through a 360-degree rotating structure, so as to adjust different visual angles.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present invention will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present invention are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which:
FIG. 1 is a schematic view of a partial perspective interior of an alternative rotary head surgical bipolar electrosurgical instrument according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a portion of the internal structure of an alternative bipolar electrosurgical instrument without a rotating head according to an embodiment of the present invention;
FIG. 3-1 is a schematic illustration of a portion of the internal structure of an alternative bipolar electrosurgical instrument without a complete rotating head according to an embodiment of the present invention;
FIG. 3-2 is an enlarged schematic view of the portion C of FIG. 3-1;
FIG. 4 is an exploded view of the internal structure of an alternative bipolar electrosurgical instrument according to an embodiment of the present invention;
FIG. 5-1 is a schematic illustration of the inner and outer surface structures of an alternative retaining ring provided in accordance with an embodiment of the present invention;
fig. 5-2 schematically illustrate the inner and outer surface structures of an alternative rotating ring according to an embodiment of the present invention.
Description of the drawings：
1: tool bit, 2: outer tube fixing base, 3: swivel head insert, 4: sleeve positioning piece, 5: fixing ring, 6: conversion seat, 7: fixed ring power supply line, 8: rotating ring and tool bit electrode power supply line, 9: swivel head, 10: and the rotating ring 11 is a handle shell.
Detailed Description
The principles and spirit of the present invention will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are presented merely to enable those skilled in the art to better understand and practice the invention and are not intended to limit the scope of the invention in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 to 4, the embodiment of the present invention provides a bipolar surgical knife, which includes a knife head 1, an outer sleeve fixing seat 2, a fixing ring 5, a conversion seat 6, a fixing ring power supply wire 7, a knife head electrode power supply wire 8, a rotating ring 10 and a handle shell 11, wherein the conversion seat 6 is fixed on the outer sleeve fixing seat 2 by the rotating ring 10, so that the outer sleeve fixing seat 2, the conversion seat 6 and the rotating ring 10 cannot rotate relatively, one end of the knife head electrode power supply wire 8 is connected with the rotating ring 10, the other end is connected with an electrode of the knife head 1, the fixing ring 5 is fixed with the handle shell 11, the fixing ring 5 is in friction contact with the rotating ring 10, one end of the fixing ring power supply wire 7 is fixed on the handle shell 11, and the other end of the fixing ring power supply wire 7 is connected with the fixing ring 5. According to the technical scheme, the two sections of independent power lines of the cutter head electrode power supply line and the fixed ring power supply line are adopted to replace continuous power lines from the cutter head to the handle in the prior art, the problem that the power lines inside the electric knife are wound in the rotation process of the cutter head is solved by matching with other components as a complete technical scheme, 360-degree rotation of the cutter head is achieved, and convenience in the operation process of a doctor is improved.
Further, as shown in fig. 5-1 and fig. 5-2, the rotary ring 10 includes a rotary ring inner surface 101 and a rotary ring outer surface 102, the fixed ring 5 includes a fixed ring inner surface 51 and a fixed ring outer surface 52, as shown in fig. 2, 3-2 and fig. 4, the rotary ring inner surface 101 is connected to one end of the bit electrode power supply line 8, and the rotary ring outer surface 102 is in frictional contact with the fixed ring inner surface 51.
Further, the fixed ring power supply line 7 and the bit electrode power supply line 8 are electrically conductive after being in frictional contact with the rotating ring 10 through the fixed ring 5. Therefore, 360-degree rotation of the cutter head is realized under the condition that the power wire in the electric cutter is not wound.
Further, the bit electrode power supply line 8 rotates with the rotation of the rotary ring 10, and the fixed ring power supply line 7 is stationary with respect to the handle case 11. This is because the bit electrode power supply line 8 is not physically connected to the fixed ring power supply line 7, but conducts electric energy by frictional contact between the fixed ring and the rotating ring.
Further, as shown in fig. 2, 3-2 and 4, the number of the conversion bases 6 and the number of the rotation rings 10 are two, and when the two conversion bases 6 are aligned with the outer sleeve fixing base 2, the two rotation rings 10 fix the two conversion bases 6 to the outer sleeve fixing base 2.
Further, as shown in fig. 2, 3-2 and 4, the number of the fixed rings 5 is two, the two fixed rings 5 and the two rotating rings 10 are coaxially assembled, and the inner surfaces 51 of the two fixed rings are in frictional contact with the outer surfaces 102 of the two rotating rings during the rotation of the rotating rings 10.
Further, as shown in fig. 4 and 5-2, one end of the tool bit electrode power supply line 8 is divided into two power lines, and is connected to the inner surfaces 101 of the rotating rings 10, respectively, and the other end of the tool bit electrode power supply line 8 is connected to the inner electrode of the tool bit 1, so as to ensure that electric energy can be conducted to the tool bit to rotate 360 degrees.
Further, as shown in fig. 4 and 5-1, one end of the fixed ring power cord 7 is fixed to the handle housing 11, and the other end of the fixed ring power cord 7 is divided into two power cords, and the two power cords are respectively connected to the two fixed rings 5, so as to ensure that electric energy can be conducted to the fixed rings, so that electric energy can be conducted to the rotating rings when the electric energy is in frictional contact with the rotating rings.
Further, as shown in fig. 1 to 4, the bipolar surgical knife further includes a rotary head insert 3, a sleeve positioning member 4, and a rotary head 9, wherein the rotary head 9 is fixed to the rotary head insert 3, the rotary head insert 3 is fixed to the sleeve positioning member 4, the sleeve positioning member 4 is fixed to the outer sleeve fixing base 2 by a screw, the tool bit 1 is fixed to the outer sleeve fixing base 2, and as shown in fig. 3-1 and 3-2, the switch seat 6 is limited by a limiting groove 111 of the handle case 11, so that the switch seat 6 can only axially rotate.
Furthermore, the fixing ring 5 and the rotating ring 10 are conductors, and the tool bit 1, the outer sleeve fixing seat 2, the conversion seat 6 and the rotating ring 10 are kept synchronous in the rotating process, so that the tool bit 1 is driven to realize 360-degree free rotation;
during rotation, the fixed ring 5, which is turned on, charges the rotary ring 10 by frictional contact with the rotary ring 10, and the rotary ring 10 transmits electric energy to the inner electrode of the cutter head 1 through the cutter head electrode power supply wire 8.
As shown in fig. 1 to 4, an embodiment of the present invention provides a bipolar surgical electric knife comprising: tool bit 1, outer tube fixing base 2, rotating head plug-in components 3, sleeve pipe setting element 4, solid fixed ring 5, conversion seat 6, solid fixed ring power cord 7, rotation ring and tool bit electrode power cord 8, rotating head 9, rotation ring 10 and handle shell 11.
And (3) assembly description: as shown in fig. 1 to 4, the rotating head 9 is fixed with 2 rotating head inserts 3, 2 rotating head inserts 3 are fixed with a sleeve positioning piece 4, the sleeve positioning piece 4 is fixed with an outer sleeve fixing seat 2 by using screws, after 2 conversion seats 6 and the outer sleeve fixing seat 2 are aligned, the two conversion seats 6 are sleeved with two rotating rings 10 to fix the two ends of the conversion seats, the three cannot rotate relatively, the surgical electrode tool bit 1 is fixed with the outer sleeve fixing seat 2, one ends of rotating ring and tool bit electrode power supply wires 8 are connected with the inner surfaces of the 2 rotating rings 10, one ends of the rotating ring and tool bit electrode power supply wires are connected with the inner side electrodes of the tool bit 1, the 2 fixed rings 5 are fixed with a handle shell 11, the 2 fixed rings 5 are respectively assembled coaxially with the 2 rotating rings 10, the inner surfaces of the 2 fixed rings 5 are in frictional contact with the outer surfaces of the 2 rotating rings 10 in the rotating process, the fixed ring power supply wires 7 are fixed on the handle shell 11, one ends of the fixed rings 5 are respectively connected with the 2 fixed rings, and the handle shell 11 limit grooves limit the conversion seats 6 so that the rotating only can axially rotate.
Motion description: rotating the rotator head 9 will drive the 2 rotator head inserts 3 to rotate; the 2 rotary head inserts 3 drive the outer sleeve fixing seat 2 to rotate; the outer sleeve fixing seat 2 drives the 2 conversion seats 6, the 2 rotating rings 10 and the cutter head 1 to rotate together; the outer sleeve fixing seat 2, the 2 conversion seats 6, the 2 rotating rings 10 and the cutter head 1 are kept synchronous in the rotating process, so that the internal power line can be prevented from winding when the rotating head 9 is rotated, and the cutter head 1 is driven to realize 360-degree free rotation.
The fixed ring 5 and the rotary ring 10 are conductors, and the material of the embodiment is copper. In the rotating process, a power supply provided by a host machine provides power for the fixed ring 5 through the fixed ring power supply line 7, the fixed ring 5 enables the rotating ring 10 to be electrified through contact cooperation, and the rotating ring 10 transmits electric energy to the inner side electrode of the tool bit 1 through the rotating ring and the tool bit electrode power supply line 8.
The power line in the product in the prior art is split into a front power line and a rear power line, and the structures of 2 fixed rings, 2 rotating rings and 2 conversion seats are added.
The invention focuses on realizing 360-degree free rotation of the surgical electrode tool bit, saving the operation time compared with most tool bits which can only rotate 180 degrees or can not rotate 360 degrees in the prior art, improving the convenience of doctors in the operation, facilitating the operations of doctors at various angles and reducing the operation risk.
It should be noted that although several units/modules or sub-units/modules of the apparatus are mentioned in the above detailed description, this division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more units/modules described above may be embodied in one unit/module in accordance with embodiments of the present invention. Conversely, the features and functions of one unit/module described above may be further divided into ones that are embodied by a plurality of units/modules.
While the spirit and principles of the present invention have been described with reference to several particular embodiments, it is to be understood that the invention is not limited to the disclosed embodiments nor does it imply that features of the various aspects are not useful in combination, nor are they useful in any combination, such as for convenience of description. The invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (10)

1. The utility model provides a bipolar electrotome of operation, its characterized in that, bipolar electrotome of operation includes tool bit (1), outer tube fixing base (2), solid fixed ring (5), conversion seat (6), solid fixed ring power cord (7), tool bit electrode power cord (8), rotation ring (10) and handle shell (11), rotation ring (10) will conversion seat (6) are fixed on outer tube fixing base (2) for outer tube fixing base (2) conversion seat (6) reaches rotation ring (10) three can not rotate relatively, the one end of tool bit electrode power cord (8) with rotation ring (10) are connected, the other end with the electrode of tool bit (1) is connected, gu fixed ring (5) with handle shell (11) are fixed, gu fixed ring (5) with the friction contact of rotation ring (10), the one end of gu fixed ring power cord (7) is fixed on handle shell (11), the other end of gu fixed ring power cord (7) with gu fixed ring (5) are connected.
2. The surgical bipolar electrotome of claim 1 wherein said rotary ring (10) comprises a rotary ring inner surface (101) and a rotary ring outer surface (102), said stationary ring (5) comprising a stationary ring inner surface (51) and a stationary ring outer surface (52), said rotary ring inner surface (101) being connected to one end of said blade electrode power cord (8), said rotary ring outer surface (102) being in frictional contact with said stationary ring inner surface (51).
3. Surgical bipolar electrotome according to claim 1, characterized in that the stationary ring power supply wire (7) and the cutting head electrode power supply wire (8) are electrically conductive after frictional contact with the rotating ring (10) via the stationary ring (5).
4. Surgical bipolar electrotome according to claim 1, characterized in that the blade electrode power cord (8) rotates with rotation of the rotating ring (10), the stationary ring power cord (7) being stationary with respect to the handle housing (11).
5. Surgical bipolar electrotome according to claim 2, characterized in that the number of said conversion seats (6) and said rotation rings (10) is two, respectively, and that two of said rotation rings (10) fix two of said conversion seats (6) on said outer cannula holder (2).
6. Surgical bipolar electrotome according to claim 5, characterized in that the number of the fixing rings (5) is two, the two fixing rings (5) are respectively coaxially assembled with the two rotating rings (10), and the inner surfaces (51) of the two fixing rings are respectively in frictional contact with the outer surfaces (102) of the two rotating rings during the rotation of the rotating rings (10).
7. Surgical bipolar electrotome according to claim 5, characterized in that one end of the blade electrode power supply wire (8) is divided into two power supply wires, which are connected to the inner surfaces (101) of the rotating rings (10) respectively, and the other end of the blade electrode power supply wire (8) is connected to the inner electrode of the blade (1).
8. Surgical bipolar electrotome according to claim 6, characterized in that one end of the fixed ring power supply wire (7) is fixed on the handle shell (11), and the other end of the fixed ring power supply wire (7) is divided into two power supply wires, which are respectively connected with the two fixed rings (5).
9. The surgical bipolar electrotome of claim 1, further comprising a swivel head insert (3), a cannula positioning member (4) and a swivel head (9), the swivel head (9) being fixed to the swivel head insert (3), the swivel head insert (3) being fixed to the cannula positioning member (4), the cannula positioning member (4) being fixed to the cannula holder (2) by means of screws, the tool bit (1) being fixed to the cannula holder (2), a limiting groove (111) of the handle housing (11) limiting the switch holder (6) such that the switch holder (6) can only be rotated axially.
10. The bipolar surgical electric knife according to any one of claims 1 to 9, wherein the fixing ring (5) and the rotating ring (10) are conductors, and the knife head (1), the outer sleeve fixing seat (2), the conversion seat (6) and the rotating ring (10) keep synchronous in the rotating process, so that the knife head (1) is driven to realize 360-degree free rotation;
in the rotating process, the fixed ring (5) which is powered on charges the rotating ring (10) through frictional contact with the rotating ring (10), and the rotating ring (10) transmits electric energy to the inner side electrode of the cutter head (1) through the cutter head electrode power supply wire (8).
CN202211505083.0A 2022-11-29 2022-11-29 Bipolar electric surgical knife Pending CN116211443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211505083.0A CN116211443A (en) 2022-11-29 2022-11-29 Bipolar electric surgical knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211505083.0A CN116211443A (en) 2022-11-29 2022-11-29 Bipolar electric surgical knife

Publications (1)

Publication Number Publication Date
CN116211443A true CN116211443A (en) 2023-06-06

Family

ID=86575626

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211505083.0A Pending CN116211443A (en) 2022-11-29 2022-11-29 Bipolar electric surgical knife

Country Status (1)

Country Link
CN (1) CN116211443A (en)

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