CN117017468A - High-frequency electric knife and use method thereof - Google Patents

High-frequency electric knife and use method thereof Download PDF

Info

Publication number
CN117017468A
CN117017468A CN202310972720.3A CN202310972720A CN117017468A CN 117017468 A CN117017468 A CN 117017468A CN 202310972720 A CN202310972720 A CN 202310972720A CN 117017468 A CN117017468 A CN 117017468A
Authority
CN
China
Prior art keywords
assembly
knife
cutter head
head
handle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310972720.3A
Other languages
Chinese (zh)
Inventor
张晓建
胡鋆
易培雄
仇云龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Shengzhe Medical Technology Co ltd
Original Assignee
Shanghai Shengzhe Medical Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Shengzhe Medical Technology Co ltd filed Critical Shanghai Shengzhe Medical Technology Co ltd
Priority to CN202310972720.3A priority Critical patent/CN117017468A/en
Publication of CN117017468A publication Critical patent/CN117017468A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00589—Coagulation
    • 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
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00601—Cutting
    • 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
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/00958—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device for switching between different working modes of the main function
    • 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
    • A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
    • 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
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B2018/1452—Probes having pivoting end effectors, e.g. forceps including means for cutting

Landscapes

  • 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 belongs to the technical field of medical appliances, and discloses a high-frequency electrotome which is used for endoscopic submucosal dissection and comprises a tool bit assembly, a driving assembly and a handle assembly, wherein the tool bit assembly is connected with a high-frequency power supply and can be switched between a first shape and a second shape; the driving assembly is used for controlling the cutter head assembly to switch between a first mode and a second mode; the handle assembly comprises an outer sleeve and a handle which are connected, the cutter head assembly is arranged at one end of the outer sleeve far away from the handle, and the driving assembly is arranged in the outer sleeve. The tool bit subassembly of high frequency electrotome can switch between first form and second form, can cut the affected part and can stop bleeding to the affected part again, saves the process of changing equipment in the operation in-process, reduces operation time for the operation is safer high-efficient.

Description

High-frequency electric knife and use method thereof
Technical Field
The invention relates to the technical field of medical equipment, in particular to a high-frequency electrotome and a use method of the high-frequency electrotome.
Background
Endoscopic submucosal dissection was first proposed and practiced by japanese scholars in the 90 th century as an advanced endoscopic treatment technique, mainly for the treatment of early cancers of the digestive tract such as esophagus, stomach, colon, etc. With the increasing maturity of endoscopic submucosal dissection technology, the technology can also be used for treating benign tumors under digestive tract mucosa.
Electric knives for endoscopic submucosal dissection are commonly used in the market, including needle knives, tip insulating knives, hook knives, triangle knives, laser knives, and the like. The main characteristics are that the rod-shaped electrode is used for quick dotting and marking, and the mucous membrane is cut. And the end of the rod-shaped electrode can be used for cauterizing the bleeding point to stop bleeding. However, in the case of a large amount of bleeding, the rod-shaped electrode cannot rapidly and effectively stop bleeding. At this time, the doctor needs to replace the instrument, withdraw the electric knife from the endoscope, replace the thermal biopsy forceps, position the thermal biopsy forceps to the bleeding part, and perform electric coagulation hemostasis by using the thermal biopsy forceps. The replacement of the endoscope instrument is tedious and time-consuming, which is unfavorable for the operation of the patient.
Therefore, there is a need for a high frequency electric knife and a method of using the same to solve the above-mentioned problems.
Disclosure of Invention
An object of the present invention is to provide a high-frequency electric knife which can switch between a first state and a second state, can cut an affected part and stop bleeding on the affected part, avoid changing equipment in the operation process, reduce operation time, and make the operation safer and more efficient.
To achieve the purpose, the invention adopts the following technical scheme:
a high frequency electrotome for endoscopic submucosal dissection comprising:
the tool bit assembly is connected with a high-frequency power supply, the tool bit assembly can be switched between a first mode and a second mode, when the tool bit assembly is in the first mode, the tool bit assembly is used for cutting tissue of an affected part, and when the tool bit assembly is in the second mode, the tool bit assembly is used for stopping bleeding of a wound of the affected part;
a drive assembly for controlling the switching of the cutter head assembly between the first and second configurations;
the handle assembly comprises an outer sleeve and a handle which are connected, the cutter head assembly is arranged at one end of the outer sleeve, which is far away from the handle, and the driving assembly is arranged in the outer sleeve.
As an optional technical scheme of the high-frequency electric knife, the knife head assembly comprises a fixed knife head, a movable knife head and a knife head bin, when the knife head assembly is in a first form, the movable knife head is retracted into the knife head bin, and the fixed knife head is used for cutting tissue of an affected part;
when the cutter head assembly is in the second form, the movable cutter head extends out of the cutter head bin, and a scissor type electric knife is formed between the movable cutter head and the fixed cutter head and is used for clamping and stopping bleeding on wounds of affected parts.
As an optional technical scheme of the high-frequency electric knife, one end of the movable knife head is provided with a connecting part, the connecting part is positioned in the knife head bin, the connecting part is rotationally connected with the driving end of the driving assembly, one side of the movable knife head, which is far away from the fixed knife head, is also provided with a limiting part, the limiting part is slidably arranged in a limiting groove of the knife head bin, and the extending direction of the limiting groove is the same as that of the fixed knife head;
the drive end can drive the movable tool bit to keeping away from the direction of outer tube removes, works as spacing portion butt extremely the spacing groove is kept away from when the one end of outer tube, the movable tool bit can stretch out the tool bit storehouse and around spacing portion rotates, so that the movable tool bit with fixed tool bit forms the scissors formula electrotome.
As an optional technical scheme of the high-frequency electric knife, the opposite sides of the fixed knife head and the movable knife head are provided with tooth-shaped structures.
As an optional technical scheme of high frequency electrotome, drive assembly includes cable and slider, the slider slip cap is located the outside of handle, the cable wears to locate in the outer tube, cable one end connect in the tool bit subassembly, the other end connect in the slider.
As an optional technical scheme of the high-frequency electric knife, the handle is provided with a chute extending along the axial direction of the handle, the chute is communicated with the outer sleeve, and the cable penetrates into the chute;
the driving assembly further comprises a conductive plug, one end of the conductive plug is slidably arranged in the sliding groove and connected with the cable, the other end of the conductive plug penetrates through the sliding block and is connected with the high-frequency power supply, and the high-frequency power supply is used for supplying power to the cutter head assembly.
As an alternative technical scheme of the high-frequency electric knife, the conductive plug is detachably connected with the high-frequency power supply.
As an alternative technical scheme of the high-frequency electric knife, a finger ring is arranged on the outer side of the sliding block and is used for being held.
As an alternative technical scheme of the high-frequency electric knife, the tail part of the handle is provided with a hanging ring.
The invention also aims to provide a using method of the high-frequency electric knife, which can cut an affected part and stop bleeding on the affected part, so that the operation time is reduced, and the operation is safer and more efficient.
To achieve the purpose, the invention adopts the following technical scheme:
the application method of the high-frequency electric knife is used for the high-frequency electric knife and comprises the following steps:
s1, a user holds a handle, operates a driving assembly to switch the cutter head assembly to a first form, and cuts tissue of an affected part;
s2, a user operates the driving assembly to switch the cutter head assembly to the second mode, and hemostasis is achieved on the wound of the affected part.
The invention has the beneficial effects that:
the invention provides a high-frequency electrotome which is used for endoscopic submucosal dissection and comprises a tool bit assembly, a driving assembly and a handle assembly, wherein the tool bit assembly is connected with a high-frequency power supply and can be switched between a first state and a second state, the tool bit assembly is used for cutting tissue of an affected part when the tool bit assembly is in the first state, and the tool bit assembly is used for stopping bleeding of a wound of the affected part when the tool bit assembly is in the second state; the driving assembly is used for controlling the cutter head assembly to switch between a first mode and a second mode; the handle assembly comprises an outer sleeve and a handle which are connected, the cutter head assembly is arranged at one end of the outer sleeve far away from the handle, and the driving assembly is arranged in the outer sleeve. The tool bit subassembly of high frequency electrotome can switch between first form and second form, can cut the affected part and can stop bleeding to the affected part again, saves the process of changing equipment in the operation in-process, reduces operation time for the operation is safer high-efficient.
The invention also provides a use method of the high-frequency electric knife, which is used for the high-frequency electric knife, a user holds the handle, operates the driving assembly to switch the knife head assembly to the first form and cut the tissue of the affected part, and then the user operates the driving assembly to switch the knife head assembly to the second form and stop bleeding on the wound of the affected part, so that the user does not need to change equipment in the operation process, the operation efficiency is improved, and the operation safety is improved.
Drawings
FIG. 1 is an enlarged view of a portion of a tool bit assembly provided by the present invention;
fig. 2 is a cross-sectional view of a handle assembly provided by the present invention.
In the figure:
1. a cutter head assembly; 11. fixing the cutter head; 12. a movable cutter head; 121. a limit part; 13. a tool bit bin; 131. a limit groove; 2. a drive assembly; 21. a cable; 22. a slide block; 221. a finger ring; 23. a conductive plug; 3. a handle assembly; 31. an outer sleeve; 32. a handle; 321. hanging rings.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are 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 invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 and 2, the present embodiment provides a high-frequency electric knife for endoscopic submucosal dissection, comprising a knife head assembly 1, a driving assembly 2 and a handle 32 assembly 3, wherein the knife head assembly 1 is connected with a high-frequency power source, the knife head assembly 1 can be switched between a first shape and a second shape, when the knife head assembly 1 is in the first shape, the knife head assembly 1 is used for cutting tissue of an affected part, and when the knife head assembly 1 is in the second shape, the knife head assembly 1 is used for stopping bleeding of a wound of the affected part; the driving assembly 2 is used for controlling the cutter head assembly 1 to switch between a first mode and a second mode; the handle 32 assembly 3 comprises an outer sleeve 31 and a handle 32 which are connected, the tool bit assembly 1 is arranged at one end of the outer sleeve 31 far away from the handle 32, and the driving assembly 2 is arranged in the outer sleeve 31. The tool bit assembly 1 of the high-frequency electrotome can be switched between the first form and the second form, not only can cut an affected part, but also can stop bleeding on the affected part, the process of replacing equipment in the operation process is omitted, the operation time is shortened, and the operation is safer and more efficient.
Still further, the tool bit assembly 1 includes a fixed tool bit 11, a movable tool bit 12 and a tool bit compartment 13, when the tool bit assembly 1 is in the first form, the movable tool bit 12 is retracted into the tool bit compartment 13, the fixed tool bit 11 is exposed out of the tool bit compartment 13, the fixed tool bit 11 is powered by a high-frequency power source to form a high-frequency electric knife, a user can operate the fixed tool bit 11 to rapidly mark points and cut mucous membranes, and the end part of the fixed tool bit 11 can be used for slightly stopping bleeding at a small bleeding point. When the cutter head assembly 1 is in the second form, the movable cutter head 12 extends out of the cutter head bin 13, and a scissor type electric knife is formed between the movable cutter head 12 and the fixed cutter head 11, so that a relatively large bleeding point is clamped and hemostasis is effectively performed by electric coagulation.
Specifically, one end of the movable cutter head 12 in the cutter head assembly 1 is provided with a connecting part, the connecting part is positioned in the cutter head bin 13, the connecting part is rotationally connected with the driving end of the driving assembly 2, the movable cutter head 12 further comprises a limiting part 121, the limiting part 121 is positioned on one side of the movable cutter head 12 away from the fixed cutter head 11, the limiting part 121 is slidably arranged in a limiting groove 131 of the cutter head bin 13, and the extending direction of the limiting groove 131 is in the same direction as the extending direction of the fixed cutter head 11. The drive end can drive the movable tool bit 12 to the direction of keeping away from outer tube 31 and remove along with movable tool bit 12 in tool bit storehouse 13, and spacing portion 121 butt is to the one end that spacing groove 131 kept away from outer tube 31, and movable tool bit 12 at this moment stretches out tool bit storehouse 13, and the drive end continues to drive movable tool bit 12, and movable tool bit 12 produces the moment and rotates around spacing portion 121 to make movable tool bit 12 and fixed tool bit 11 form the scissors type electrotome, tool bit subassembly 1 at this moment is in the second form, and the user can operate drive assembly 2 drive movable tool bit 12 and fixed tool bit 11 and open and shut the operation. Preferably, the opposite sides of the fixed cutter head 11 and the movable cutter head 12 are provided with tooth-shaped structures, so that the meshing degree of the scissors type electric knife is improved, and the scissors type electric knife is beneficial to clamping larger bleeding points and implementing electrocoagulation hemostasis.
The driving assembly 2 in this embodiment includes a cable 21 and a slider 22, the slider 22 is slidably sleeved on the outer side of the handle 32, the cable 21 is inserted into the outer sleeve 31, one end of the cable 21 is connected to the cutter head assembly 1, the other end is connected to the slider 22, a user slides on the handle 32 by operating the slider 22, that is, the cable 21 can be driven to move by driving the movable cutter head 12, so that the cutter head assembly 1 is switched between the first state and the second state, and the cutter head assembly 1 in the second state is operated to perform shearing action. Specifically, the handle 32 of the high-frequency electric knife is provided with a chute extending along an axial direction, the chute is communicated with the outer sleeve 31, the cable 21 is conveyed into the chute, the driving assembly 2 further comprises a conductive plug 23, one end of the conductive plug 23 is slidably arranged in the chute and connected with the cable 21, the other end of the conductive plug passes through the slider 22 and is connected with a high-frequency power supply, the high-frequency power supply is used for supplying power to the knife head assembly 1, preferably, the conductive plug 23 is detachably connected with the high-frequency power supply, when a user operates the high-frequency electric knife, the conductive plug 23 can be electrically connected with the high-frequency power supply, and high-frequency current is transmitted to the knife head assembly 1 through the cable 21, so that the fixed knife head 11 and the movable knife head 12 are electrified.
In order to facilitate the user to operate the high-frequency electric knife, the finger ring 221 is arranged on the outer side of the sliding block 22 part of the high-frequency electric knife, the finger ring 221 is used for being held, the user can pass fingers through the finger ring 221, adjust the position of the sliding block 22 on the handle 32, and further control the knife head assembly 1 to perform operation. Preferably, the outer sleeve 31 in the present embodiment is a flexible tube, which facilitates the movement of the high-frequency electric knife in the body, and reduces the probability of accidental injury of the patient caused by the high-frequency electric knife. The tail of the handle 32 is also provided with a hanging ring 321, so that a user can hang the high-frequency electric knife after performing operation, and the electric knife is convenient to store.
The embodiment also provides a use method of the high-frequency electric knife, which comprises the following steps:
s1, a user holds the handle 32, operates the driving assembly 2 to switch the cutter head assembly 1 to the first mode, and cuts tissue of an affected part;
s2, a user operates the driving assembly 2 to switch the tool bit assembly 1 to the second mode, and hemostasis is achieved on the wound of the affected part.
Specifically, the operation method of the high-frequency electric knife is as follows: the user pulls the slider 22 to the proximal end, and the slider 22 drives the conductive plug 23 to pull the cable 21 to move towards the direction away from the tool bit assembly 1, and then drives the movable tool bit 12 to retract into the tool bit bin 13, so that the tool bit assembly 1 is in the first form, and the user can quickly mark or cut mucous membrane by using the fixed tool bit 11, and can also burn a bleeding point to stop bleeding by using the end part of the fixed tool bit 11. However, if a large amount of bleeding is encountered, the stationary blade 11 may not be able to quickly and effectively stop bleeding, and the user may switch the blade assembly 1 to the second configuration.
The user pushes the slider 22 to the distal end, the slider 22 can make the conductive plug 23 push the cable 21 to move towards the direction close to the cutter head assembly 1, so that the cable 21 pushes the movable cutter head 12 to outwards extend, the movable cutter head 12 is influenced by the limiting groove 131, when the limiting part 121 is abutted to one end of the limiting groove 131 far away from the outer sleeve 31, the driving end continuously drives the movable cutter head 12 to rotate around the limiting part 121, and the movable cutter head 12 and the fixed cutter head 11 form a scissor type electric knife. The user operates the movable cutter head 12 and the fixed cutter head 11, clamps a relatively large bleeding point and performs electrocoagulation hemostasis.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims (10)

1. A high frequency electrotome for endoscopic submucosal dissection comprising:
the knife head assembly (1), the knife head assembly (1) is connected with a high-frequency power supply, the knife head assembly (1) can be switched between a first mode and a second mode, when the knife head assembly (1) is in the first mode, the knife head assembly (1) is used for cutting tissue of an affected part, and when the knife head assembly (1) is in the second mode, the knife head assembly (1) is used for stopping bleeding of the wound of the affected part;
-a drive assembly (2), the drive assembly (2) being adapted to control the switching of the cutter head assembly (1) between the first and second configuration;
handle (32) subassembly (3), handle (32) subassembly (3) are including outer tube (31) and handle (32) that link to each other, tool bit subassembly (1) install in outer tube (31) keep away from the one end of handle (32), drive assembly (2) set up in outer tube (31).
2. The high frequency electric knife according to claim 1, characterized in that the knife head assembly (1) comprises a fixed knife head (11), a movable knife head (12) and a knife head cartridge (13), the movable knife head (12) being retracted into the knife head cartridge (13) when the knife head assembly (1) is in the first configuration, the fixed knife head (11) being adapted to cut tissue of an affected part;
when the cutter head assembly (1) is in the second form, the movable cutter head (12) extends out of the cutter head bin (13), and a scissor type electric knife is formed between the movable cutter head and the fixed cutter head (11) and is used for clamping and stopping bleeding of wounds of affected parts.
3. The high-frequency electric knife according to claim 2, wherein one end of the movable knife head (12) is provided with a connecting part, the connecting part is positioned in the knife head bin (13), the connecting part is rotationally connected with the driving end of the driving assembly (2), one side of the movable knife head (12) away from the fixed knife head (11) is also provided with a limiting part (121), and the limiting part (121) is slidably arranged in a limiting groove (131) of the knife head bin (13), and the extending direction of the limiting groove (131) is the same as that of the fixed knife head (11);
the driving end can drive the movable cutter head (12) to move towards a direction away from the outer sleeve (31), when the limiting part (121) is abutted to the limiting groove (131) to be away from one end of the outer sleeve (31), the movable cutter head (12) can extend out of the cutter head bin (13) and rotate around the limiting part (121), so that the movable cutter head (12) and the fixed cutter head (11) form the scissor type electric cutter.
4. The high-frequency electric knife according to claim 2, characterized in that the fixed cutting head (11) and the movable cutting head (12) are provided with tooth-like structures on opposite sides.
5. The high-frequency electric knife according to claim 1, wherein the driving assembly (2) comprises a cable (21) and a sliding block (22), the sliding block (22) is slidably sleeved on the outer side of the handle (32), the cable (21) is arranged in the outer sleeve (31) in a penetrating mode, one end of the cable (21) is connected with the knife head assembly (1), and the other end of the cable is connected with the sliding block (22).
6. The high-frequency electric knife according to claim 5, characterized in that the handle (32) is provided with a chute extending in its axial direction, which chute communicates with the outer sleeve (31), through which chute the cable (21) penetrates;
the driving assembly (2) further comprises a conductive plug (23), one end of the conductive plug (23) is slidably arranged in the sliding groove and connected with the cable (21), the other end of the conductive plug penetrates through the sliding block (22) and is connected with the high-frequency power supply, and the high-frequency power supply is used for supplying power to the cutter head assembly (1).
7. The high-frequency electric knife according to claim 6, characterized in that the conductive plug (23) is detachably connected to the high-frequency power supply.
8. The high-frequency electric knife according to claim 5, characterized in that the outside of the slider (22) is provided with a finger ring (221), the finger ring (221) being intended to be gripped.
9. The high-frequency electric knife according to claim 1, characterized in that a hanging ring (321) is arranged at the tail of the handle (32).
10. A method of using a high frequency electric knife according to any one of claims 1 to 9, comprising:
s1, a user holds a handle (32), operates a driving assembly (2) to switch a cutter head assembly (1) to a first form, and cuts tissue of an affected part;
s2, a user operates the driving assembly (2) to switch the tool bit assembly (1) to a second form and stop bleeding on the wound of the affected part.
CN202310972720.3A 2023-08-03 2023-08-03 High-frequency electric knife and use method thereof Pending CN117017468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310972720.3A CN117017468A (en) 2023-08-03 2023-08-03 High-frequency electric knife and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310972720.3A CN117017468A (en) 2023-08-03 2023-08-03 High-frequency electric knife and use method thereof

Publications (1)

Publication Number Publication Date
CN117017468A true CN117017468A (en) 2023-11-10

Family

ID=88630995

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310972720.3A Pending CN117017468A (en) 2023-08-03 2023-08-03 High-frequency electric knife and use method thereof

Country Status (1)

Country Link
CN (1) CN117017468A (en)

Similar Documents

Publication Publication Date Title
JP5636449B2 (en) High frequency treatment tool
US9775668B2 (en) Surgical forceps
US8968305B2 (en) Surgical forceps with external cutter
JP4643361B2 (en) Endoscope treatment tool and endoscope treatment tool system
CN102933168B (en) Surgical instrument
KR20050033471A (en) High-frequency knife and endoscopic apparatus
CN105395251B (en) A kind of scope electric knife
CN103110457B (en) Mucous membrane separating scalpel
US10321952B2 (en) Medical device capable of injection, cutting and coagulation
CN102225026B (en) Bipolar electric coagulation surgical scissors
CN108523986B (en) High-frequency cutter with injection needle for endoscope
JP2003299667A (en) Bipolar-type high frequency cutting accessory for endoscope
KR102028413B1 (en) A Surgical Apparatus Having a Structure of Multiple Resonant Electrodes
CN221205639U (en) High-frequency electric knife
US20070282336A1 (en) Bipolar high-frequency treatment tool for endoscope
CN117017468A (en) High-frequency electric knife and use method thereof
CN112006727A (en) Electrocoagulation biopsy knife
CN114886550B (en) Gun type electric knife with on-off sliding contact ring structure
CN108784828B (en) High-frequency electrotome with double tool bits for endoscope
US8298231B2 (en) Bipolar scissors for adenoid and tonsil removal
CN205234632U (en) High frequency electric sword for scope
EP3031420B1 (en) Energizable attachment for surgical devices
CN211560335U (en) Special insulating scissors of mucosa exfoliation under scope
JP2001061848A (en) High frequency treatment apparatus
CN102697554A (en) Multifunctional shaver for laparoscopic surgery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination