CN112022328B - Medical gloves with electric knife electrode - Google Patents

Medical gloves with electric knife electrode Download PDF

Info

Publication number
CN112022328B
CN112022328B CN202010782569.3A CN202010782569A CN112022328B CN 112022328 B CN112022328 B CN 112022328B CN 202010782569 A CN202010782569 A CN 202010782569A CN 112022328 B CN112022328 B CN 112022328B
Authority
CN
China
Prior art keywords
electrode
flexible circuit
glove
insulating
electrode tip
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.)
Active
Application number
CN202010782569.3A
Other languages
Chinese (zh)
Other versions
CN112022328A (en
Inventor
任振虎
张志愿
季彤
张陈平
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.)
Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Original Assignee
Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
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 Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine filed Critical Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority to CN202010782569.3A priority Critical patent/CN112022328B/en
Publication of CN112022328A publication Critical patent/CN112022328A/en
Application granted granted Critical
Publication of CN112022328B publication Critical patent/CN112022328B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B42/00—Surgical gloves; Finger-stalls specially adapted for surgery; Devices for handling or treatment thereof
    • A61B42/10—Surgical gloves
    • 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
    • A61B2018/00607—Coagulation and cutting with the same instrument
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (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)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Otolaryngology (AREA)
  • Gloves (AREA)

Abstract

The invention relates to a medical glove with an electrotome electrode, which comprises an insulating glove, wherein an electrode tip of an electrotome is arranged on the outer side of a middle finger of the insulating glove, a flexible circuit board is arranged on an index finger of the insulating glove, a current output end of the flexible circuit board is electrically connected with the electrode tip through a flexible circuit, a current input end of the flexible circuit board is connected with an electric connecting piece through an electric wire, a cutting switch for controlling the electrode tip to perform cutting work and an electrocoagulation switch for controlling the electrode tip to perform electrocoagulation work are arranged on the flexible circuit board, and the cutting switch and the electrocoagulation switch are both sheet type press switches. The invention realizes the combination of the components of the electrotome electrode and the insulating gloves, has reasonable structural layout and convenient operation, reduces the influence on the finger movement of an operator to the maximum limit, avoids the need of repeatedly taking and placing the electrotome electrode in the operation process of the operator, and greatly improves the convenience of intermittent repeated use of the electrotome electrode.

Description

Medical gloves with electric knife electrode
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a medical glove with a live-knife electrode.
Background
A high-frequency electric knife is an electric surgical instrument for replacing a mechanical scalpel to cut tissues. The tissue is heated when the high-frequency high-voltage current generated by the tip of the effective electrode contacts with the body, so that the separation and coagulation of the body tissue are realized, and the purposes of cutting and hemostasis are achieved.
The structure of the action electrode of the prior electric knife is roughly shown in figure 1 and comprises a shell, an electrode head, a circuit board, a switch controller, a cutting key and an electrocoagulation key. The electrode head is fixed and electrically connected with the circuit board, the cutting key and the electrocoagulation key are respectively arranged on the circuit board, switch controllers are respectively arranged between the cutting key and the electrocoagulation key and between the circuit board, and the electrode head is controlled to carry out cutting work and hemostasis work by pressing the cutting key and the electrocoagulation key.
When the pen type electrotome electrode is clinically used, in some complex surgical operation processes, an operator needs to repeatedly take and place the electrode, and inconvenience is brought to the operation process. In addition, in the repeated taking and placing process, the risk that the electrode tip is deformed and the internal element is damaged due to the falling of the electrode is increased, and the operation risk is increased due to the delay of replacing the electrode in an emergency.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the medical gloves with the electrotome electrodes, so that the electrotome electrodes are prevented from being repeatedly taken and placed in the operation process, and the convenience of intermittent repeated use of the electrotome electrodes is improved.
The technical scheme adopted by the invention for solving the technical problems is to provide medical gloves with electric knife electrodes, which comprise insulating gloves, wherein electrode tips of electric knives are arranged on the outer sides of middle fingers of the insulating gloves, flexible circuit boards are arranged on index fingers of the insulating gloves, the current output ends of the flexible circuit boards are electrically connected with the electrode tips through flexible circuits, the current input ends of the flexible circuit boards are connected with an electric connecting piece through electric wires, cutting switches used for controlling the electrode tips to perform cutting work and electric coagulation switches used for controlling the electrode tips to perform electric coagulation work are arranged on the flexible circuit boards, and the cutting switches and the electric coagulation switches are sheet type press switches.
The outer side of the middle finger of the insulating glove is provided with a conductive connecting seat, the tail end of the electrode tip is provided with a conductive connecting ball, the electrode tip is arranged on the connecting seat in an electric connection mode through the connecting ball, the electrode tip can rotate in the front-back direction of the middle finger of the insulating glove, and the connecting seat is electrically connected with the flexible circuit.
The front end of the connecting seat is provided with a first limiting elastic sheet, and the electrode tip rotates forwards to a working position and then limits backward rotation through the first limiting elastic sheet.
The rear end of connecting seat is equipped with the spacing shell fragment of second, the electrode tip is rotated backward when accomodating the position through the spacing shell fragment of second to rotate forward and restrict.
The connecting seat is fixed on the middle finger of the insulating glove at the position corresponding to the back side of the middle finger of the human body through dispensing.
The connecting seat is arranged on the middle finger of the insulating glove at the position corresponding to the front half section of the third bone section of the middle finger of the human body, so that the electrode tip extends out of the front end of the third bone section of the middle finger of the human body when rotating forwards to the working position.
One end of the flexible circuit is electrically connected with the flexible circuit board, is led out by the index finger of the insulating glove, passes through the back of the hand of the insulating glove and extends to the middle finger of the insulating glove, and the other end of the flexible circuit is electrically connected with the electrode tip.
The cutting switch is positioned on the side surface, corresponding to the second bone segment of the index finger of the human body, of the index finger of the insulating glove, opposite to the thumb, and the electrocoagulation switch is positioned on the side surface, corresponding to the third bone segment of the index finger of the human body, of the index finger of the insulating glove, opposite to the thumb.
The electric coagulation switch is positioned on the side surface, corresponding to the second bone segment of the index finger of the human body, of the index finger of the insulating glove, opposite to the thumb, and the cutting switch is positioned on the side surface, corresponding to the third bone segment of the index finger of the human body, of the index finger of the insulating glove, opposite to the thumb.
Advantageous effects
The invention realizes the combination of the components of the electrotome electrode and the insulating gloves, can control the electrotome electrode to work according to the needs, has reasonable structural layout and convenient operation, and furthest reduces the influence on the finger movement (especially the finger joint movement) of an operator. The invention avoids the situation that an operator needs to repeatedly take and place the electrotome electrode in the operation process, greatly improves the convenience of intermittent repeated use of the electrotome electrode, and can effectively reduce the risk of damage caused by falling of the electrode due to repeated taking and placing.
Drawings
Figure 1 is a schematic diagram of the structure of a conventional pen-type motorized electrode.
Fig. 2 is a schematic plan view of the present invention.
Fig. 3 is a schematic view of the connection structure of the electrode head and the middle finger of the glove.
Fig. 4 is a schematic diagram of a circuit layout structure on a flexible circuit board.
Fig. 5 is a schematic cross-sectional view of a sheet-type push switch.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
The medical glove with the electrotome electrode as shown in fig. 2 comprises an insulating glove 1 and an electrotome electrode module. Wherein the electrotome electrode module comprises an electrode head 2, a flexible circuit board 3, a flexible circuit 4, a cutting switch 12, an electrocoagulation switch 5, an electric wire 6 and an electrical connector 7.
The middle finger outer side of the insulating glove 1 is provided with an electrode head 2 of an electric knife. As shown in fig. 3, the middle finger of the insulating glove 1 is provided with a conductive connecting seat 8, the end of the electrode tip 2 is provided with a conductive connecting ball 9, and the electrode tip 2 is sleeved on the connecting seat 8 in an electrically connected manner through the connecting ball 9. The connecting base 8 is provided with a notch along the fore-and-aft direction of the fingers in the insulating glove 1, and the electrode head 2 can rotate along the fore-and-aft direction of the fingers in the insulating glove 1 in the notch.
The front end of connecting seat 8 is equipped with first spacing shell fragment 10, when electrode tip 2 rotated forward to the work position, can restrict electrode tip 2's rotation backward through first spacing shell fragment 10, guarantees electrode tip 2 stability at the during operation position. The rear end of connecting seat 8 is equipped with the spacing shell fragment of second 11, and electrode tip 2 rotates backward to when accomodating the position, can restrict the forward rotation of electrode tip 2 through the spacing shell fragment of second 11, guarantees the state of accomodating that electrode tip 2 remains stable when unoperated state, avoids taking place to rotate and leads to the fact the influence to operating personnel. The limiting elastic sheet is of an arc-surface-shaped sheet structure, and the limiting function of the limiting elastic sheet can be conveniently overcome by manually stirring the electrode tip 2, so that the normal rotation function of the electrode tip 2 is realized.
The connecting seat 8 is fixed on the middle finger of the insulating glove 1 at the position corresponding to the back side of the middle finger of the human body through a glue dispensing process. Moreover, the position of the connecting seat 8 is arranged at the front half section position corresponding to the third bone section of the middle finger of the human body on the middle finger of the insulating glove 1, so that the electrode tip 2 can extend out from the front end of the third bone section of the middle finger of the human body when rotating forwards to the working position, and the electrode tip 2 is positioned in the length range of the third bone section of the middle finger of the human body when rotating backwards to the accommodating position, thereby avoiding the influence on the movement of the middle finger joint of an operator.
The index finger of the insulating glove 1 is provided with a flexible circuit board 3, and the current output end of the flexible circuit board 3 is electrically connected with the electrode tip 2 through a flexible circuit 4. One end of the flexible circuit 4 is electrically connected with the flexible circuit board 3, is led out by the index finger of the insulating glove 1, passes through the back of the hand of the insulating glove 1 and extends to the middle finger of the insulating glove 1, and the other end is electrically connected with the connecting seat 8. The current input end of the flexible circuit board 3 is connected with the electric connector 7 through the wire 6, and the electric connector 7 can realize quick plug-in connection with the connector of the electrotome high-frequency generator.
As shown in fig. 4, the flexible circuit board 3 is provided with a cutting switch 12 for controlling the electrode head 2 to perform cutting operation and an electrocoagulation switch 5 for controlling the electrode head 2 to perform electrocoagulation operation, and the cutting switch 12 and the electrocoagulation switch 5 are both sheet-type press switches. Wherein, the cutting switch 12 is positioned on the side surface of the forefinger of the insulating glove 1 corresponding to the second bone segment of the forefinger of the human body and opposite to the thumb, and the electrocoagulation switch 5 is positioned on the side surface of the forefinger of the insulating glove 1 corresponding to the third bone segment of the forefinger of the human body and opposite to the thumb. Or the electrocoagulation switch 5 can also be arranged on the side surface, corresponding to the second bone segment of the index finger of the human body, of the insulating glove 1 opposite to the thumb, and the cutting switch 12 is arranged on the side surface, corresponding to the third bone segment of the index finger of the human body, of the index finger of the insulating glove 1 opposite to the thumb. By this arrangement, the operator can conveniently press the cutting switch 12 and the electrocoagulation switch 5 by the thumb when operating the electrotome electrode.
As shown in fig. 4, the flexible circuit board 3 is provided with three lines, wherein an output end of a first line is directly electrically connected with the flexible circuit 4, and a second line and a third line are respectively connected with and disconnected from the first line through on-off control of the cutting switch 12 and the electrocoagulation switch 5. As shown in FIG. 5, the sheet-type push switches used for the cutting switch 12 and the electrocoagulation switch 5 are of a structure with low edges and a convex middle, and the edges of the two sheet-type push switches are fixed on the flexible circuit board 3 and are electrically connected with the first line. The second line and the third line respectively extend into the two sheet type press switches, and the conduction between the second line and the first line can be realized by pressing the sheet type press switches. The switch structure adopted by the cutting switch 12 and the electrocoagulation switch 5 has small size and thin thickness, basically does not occupy the space between fingers, and does not influence the finger mobility of operators.
This medical gloves of electrified sword electrode is on wearing operating personnel's hand when using, when needs utilize the electrotome to carry out the operation, rotates electrode tip 2 forward to the work position, utilizes the thumb to press cutting switch 12 and electricity congeals switch 5 and carries out work, rotates electrode tip 2 to accomodating the position after accomplishing work, avoids carrying out other operations to operating personnel and causes the influence. The process is repeated, and the device can be used for improving the convenience of intermittent repeated use of the electrotome electrode.

Claims (9)

1. The utility model provides a medical gloves of electrified sword electrode, includes insulating gloves (1), its characterized in that: the electric coagulation gloves are characterized in that electrode tips (2) of an electric knife are arranged on the outer sides of middle fingers of the insulating gloves (1), flexible circuit boards (3) are arranged on index fingers of the insulating gloves (1), electric connection is formed between current output ends of the flexible circuit boards (3) and the electrode tips (2) through flexible circuits (4), current input ends of the flexible circuit boards (3) are connected with electric connection pieces (7) through electric wires (6), cutting switches (12) used for controlling the electrode tips (2) to conduct cutting work and electric coagulation switches (5) used for controlling the electrode tips (2) to conduct electric coagulation work are arranged on the flexible circuit boards (3), and the cutting switches (12) and the electric coagulation switches (5) are sheet type press switches.
2. The medical glove with a knife electrode according to claim 1, wherein: the middle finger of insulating gloves (1) outside is equipped with electrically conductive connecting seat (8), the end of electrode tip (2) is equipped with electrically conductive connection ball (9), electrode tip (2) keep electric ground connection through connecting ball (9) to set up on connecting seat (8) and electrode tip (2) can follow the fore-and-aft direction rotation of insulating gloves (1) middle finger, connecting seat (8) are connected with flexible circuit (4) electricity.
3. The medical glove with a knife electrode according to claim 2, wherein: the front end of the connecting seat (8) is provided with a first limiting elastic sheet (10), and the electrode tip (2) rotates forwards to a working position and is limited by the first limiting elastic sheet (10) to rotate backwards.
4. The medical glove with a knife electrode according to claim 2, wherein: the rear end of the connecting seat (8) is provided with a second limiting elastic sheet (11), and the electrode tip (2) rotates backwards to the containing position and is limited to rotate forwards through the second limiting elastic sheet (11).
5. The medical glove with a knife electrode according to claim 2, wherein: the connecting seat (8) is fixed on the middle finger of the insulating glove (1) at the position corresponding to the back side of the middle finger of the human body through glue dispensing.
6. The medical glove with a knife electrode according to claim 2, wherein: the connecting seat (8) is arranged on the middle finger of the insulating glove (1) and corresponds to the front half position of the third bone segment of the middle finger of the human body, so that the electrode tip (2) extends out of the front end of the third bone segment of the middle finger of the human body when rotating forwards to the working position.
7. The medical glove with a knife electrode according to claim 1, wherein: one end of the flexible circuit (4) is electrically connected with the flexible circuit board (3), is led out by the index finger of the insulating glove (1), passes through the back of the hand of the insulating glove (1), extends to the middle finger of the insulating glove (1), and the other end of the flexible circuit is electrically connected with the electrode tip (2).
8. The medical glove with a knife electrode according to claim 1, wherein: the cutting switch (12) is positioned on the side surface, corresponding to the second bone segment of the index finger of the human body, of the index finger of the insulating glove (1) and corresponding to the thumb, and the electrocoagulation switch (5) is positioned on the side surface, corresponding to the third bone segment of the index finger of the human body, of the index finger of the insulating glove (1) and corresponding to the thumb.
9. The medical glove with a knife electrode according to claim 1, wherein: the electrocoagulation switch (5) is positioned on the side face, corresponding to the second bone segment of the index finger of the human body, of the index finger of the insulating glove (1) and opposite to the thumb, and the cutting switch (12) is positioned on the side face, corresponding to the third bone segment of the index finger of the human body, of the index finger of the insulating glove (1) and opposite to the thumb.
CN202010782569.3A 2020-08-06 2020-08-06 Medical gloves with electric knife electrode Active CN112022328B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010782569.3A CN112022328B (en) 2020-08-06 2020-08-06 Medical gloves with electric knife electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010782569.3A CN112022328B (en) 2020-08-06 2020-08-06 Medical gloves with electric knife electrode

Publications (2)

Publication Number Publication Date
CN112022328A CN112022328A (en) 2020-12-04
CN112022328B true CN112022328B (en) 2022-02-22

Family

ID=73582551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010782569.3A Active CN112022328B (en) 2020-08-06 2020-08-06 Medical gloves with electric knife electrode

Country Status (1)

Country Link
CN (1) CN112022328B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2131482Y (en) * 1992-06-13 1993-05-05 吕军吉 Medical multi-function finger-cot
CN1681447A (en) * 2002-09-19 2005-10-12 伊西康内外科公司 Finger tip electrosurgical medical device
CN204815381U (en) * 2015-05-23 2015-12-02 山东涵信光电科技有限公司 Intelligence gloves

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10292781B2 (en) * 2011-09-26 2019-05-21 Andrew I. Schneider Method of making polymeric gloves having embedded surgical support systems and discrete elements
KR20150004819A (en) * 2012-03-30 2015-01-13 더 보오드 오브 트러스티스 오브 더 유니버시티 오브 일리노이즈 Appendage mountable electronic devices conformable to surfaces
US9827060B2 (en) * 2014-07-15 2017-11-28 Synaptive Medical (Barbados) Inc. Medical device control interface
CN207323543U (en) * 2017-03-29 2018-05-08 四川省人民医院 A kind of medical alarm gloves
US11304720B2 (en) * 2017-12-28 2022-04-19 Cilag Gmbh International Activation of energy devices
CN109363775A (en) * 2018-09-27 2019-02-22 安徽百通达科技医疗用品有限公司 A kind of medical gloves

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2131482Y (en) * 1992-06-13 1993-05-05 吕军吉 Medical multi-function finger-cot
CN1681447A (en) * 2002-09-19 2005-10-12 伊西康内外科公司 Finger tip electrosurgical medical device
CN204815381U (en) * 2015-05-23 2015-12-02 山东涵信光电科技有限公司 Intelligence gloves

Also Published As

Publication number Publication date
CN112022328A (en) 2020-12-04

Similar Documents

Publication Publication Date Title
US4552143A (en) Removable switch electrocautery instruments
US20120123405A1 (en) Power Glove
JP3384750B2 (en) High frequency treatment tool
US5125927A (en) Breakaway electrode for surgical cutting and cauterizing tool
US11191587B2 (en) Methods of manufacturing surgical instruments including 3D injection molded electrical circuits and connections
CN112022328B (en) Medical gloves with electric knife electrode
CN108245236B (en) Surgical instrument
CN211271116U (en) Bipolar curved scissors structure
CN110897707A (en) Novel open operation area deep illumination smoking measurement function mixed type tool bit monopole ablation electrode
CN207666689U (en) A kind of multifunctional dual-head electric knife-pen
CN215079560U (en) Manual excitation type bipolar electrocoagulation-cutting instrument
CN215306445U (en) Wireless nerve monitoring shear type ultrasonic knife
CN208525034U (en) The bipolar manual diathermy forceps of electric knife
CN112674863A (en) Manual excitation type bipolar electrocoagulation-cutting instrument
CN221578037U (en) Spade type celioscope electrode
CN209220488U (en) A kind of Breast Surgery electricity consumption knife clamping device
CN206729973U (en) Surgery device
CN214180567U (en) Portable suction electrotome
CN216933441U (en) Ablation electrode capable of adjusting button position
CN217696810U (en) Telescopic electrotome with light source
CN213588471U (en) Electric knife with composite function
CN113876415A (en) Ablation electrode capable of adjusting button position and ablation electrode system comprising same
CN219250407U (en) Telescopic bipolar radiofrequency ablation electrode
CN220442725U (en) Four-cavity structure radio frequency ablation electrode
CN208492298U (en) A kind of Combined operation electric knife

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
GR01 Patent grant
GR01 Patent grant