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CN215651487U - Surgical electric knife - Google Patents

Surgical electric knife Download PDF

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Publication number
CN215651487U
CN215651487U CN202121458753.9U CN202121458753U CN215651487U CN 215651487 U CN215651487 U CN 215651487U CN 202121458753 U CN202121458753 U CN 202121458753U CN 215651487 U CN215651487 U CN 215651487U
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CN
China
Prior art keywords
electrode
closed structure
electrode portion
tube
circular closed
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
CN202121458753.9U
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Chinese (zh)
Inventor
唐志
解欢
庆祖汉
沙德青
李宁
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.)
Micro Tech Nanjing Co Ltd
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Micro Tech Nanjing 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 Micro Tech Nanjing Co Ltd filed Critical Micro Tech Nanjing Co Ltd
Priority to CN202121458753.9U priority Critical patent/CN215651487U/en
Application granted granted Critical
Publication of CN215651487U publication Critical patent/CN215651487U/en
Priority to JP2022001555U priority patent/JP3238241U/en
Priority to DE202022102754.4U priority patent/DE202022102754U1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B18/1492Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A61B2017/00238Type of minimally invasive operation
    • A61B2017/00269Type of minimally invasive operation endoscopic mucosal resection EMR
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00005Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • A61B2018/00029Cooling or heating of the probe or tissue immediately surrounding the probe with fluids open
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577Ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00601Cutting
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091Handpieces of the surgical instrument or device
    • A61B2018/00916Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/0094Types of switches or controllers
    • A61B2018/00946Types of switches or controllers slidable
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1405Electrodes having a specific shape
    • A61B2018/1412Blade
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • A61B2018/1475Electrodes retractable in or deployable from a housing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/03Automatic limiting or abutting means, e.g. for safety
    • A61B2090/033Abutting means, stops, e.g. abutting on tissue or skin
    • A61B2090/034Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself

Landscapes

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

Abstract

The application relates to the technical field of medical equipment, and provides a surgical electrotome, which comprises: an electrode section, a conveying section, and an operation section; the electrode part is connected with the operation part through the conveying part; the periphery of the electrode part is of a non-circular closed structure, a folded angle is arranged on the non-circular closed structure, and the outward protruding direction of the folded angle points to the outer side of the non-circular closed structure. In the actual use process, the periphery of the electrode part is set to be a non-circular closed structure, and in the cutting process, the outward protruding direction arranged on each part points to the folded angle on the outer side of the non-circular closed structure, so that when the size of the electrode part tail end for cutting is large, the situation of blunter cutting can be avoided, and the cutting efficiency of the surgical electric knife on the focus part is ensured.

Description

Surgical electric knife
Technical Field
The application relates to the technical field of medical equipment, in particular to an electrotome for operation.
Background
Since the birth of endoscopic technology, the treatment of some digestive diseases has been effective and reliable in the stages from disease diagnosis to disease treatment, for example, endoscopic tissue biopsy, EMR (endoscopic mucosal resection), ESD (endoscopic mucosal dissection) are widely used, and the treatment of gastrointestinal hemorrhage, polypectomy and early cancer is becoming a preferred treatment means.
The high-frequency cutter for the endoscope is specially used under the endoscope, and a high-frequency electrotome generator is used for carrying out minimally invasive surgery. Be used for cutting human inner chamber wall mucous membrane in the operation process, carry out the mucous membrane to the tumour that is located the inner chamber mucous membrane and peel off, and do not harm other tissues, the tool bit of current electrotome adopts circular structure more, but, when the tool bit diameter of circular structure is great, the radian that is used for the convex cutting edge of cutting is comparatively gentle, produces the more blunt condition of cutting easily to influence cutting efficiency.
SUMMERY OF THE UTILITY MODEL
In order to avoid the electrotome tool bit diameter of current circular structure when great, the radian that is used for the convex cutting edge of cutting is comparatively gentle, can produce the circumstances that the cutting is blunt, and this application embodiment provides an electrotome for operation.
An electrosurgical knife comprising: an electrode section, a conveying section, and an operation section; the electrode part is connected with the operation part through the conveying part;
the periphery of the electrode part is of a non-circular closed structure, a folded angle is arranged on the non-circular closed structure, and the direction of the folded angle points to the outer side of the non-circular closed structure.
Alternatively, the outer periphery of the electrode portion is provided in a regular polygonal structure.
Alternatively, the outer periphery of the electrode portion is provided with a plurality of continuous arc structures, and the bending directions of the adjacent arc structures are opposite.
Alternatively, the outer periphery of the electrode part is arranged in a structure that a circular arc is spaced from a line segment.
Optionally, an injection hole is arranged on the electrode part, and the injection hole is communicated with the liquid injection port on the operation part through the conveying part.
Optionally, the injection hole has a distal inner diameter smaller than a proximal inner diameter.
Optionally, the conveying part comprises a connecting pipe and a spiral pipe, one end of the connecting pipe is connected with the electrode part, and the other end of the connecting pipe is connected with the spiral pipe, so that the injection hole is communicated with the spiral pipe.
Optionally, the conveying part further comprises a coating film and an outer tube, and the coating film is coated on the outer sides of the connecting tube and the spiral tube; the outer pipe is arranged on the outer side of the coating film, and a gap is formed between the outer pipe and the coating film.
Optionally, the tail end of the conveying part is further provided with a limiting part, a through hole for accommodating the electrode part is formed in the limiting part, and the inner diameter of the through hole is smaller than the outer diameter of the connecting pipe.
Optionally, an electrode cavity is further disposed on the limiting member, and the electrode cavity is used for accommodating the end of the electrode portion, so as to ensure that the electrode portion can be completely retracted into the limiting member.
Optionally, the coil is of a graduated pitch configuration and the distal pitch is less than the proximal pitch.
Optionally, the operating part comprises a positioning cap, a core rod and a sliding block;
the positioning cap and the sliding block are arranged on the core bar, and the sliding block is connected with the conveying part; the conductive plug and the liquid injection port of the operation part are arranged on the slider.
According to the above technical solution, an embodiment of the present application provides an electric scalpel, including: an electrode section, a conveying section, and an operation section; the electrode part is connected with the operation part through the conveying part; the periphery of the electrode part is of a non-circular closed structure, a folded angle is arranged on the non-circular closed structure, and the outward protruding direction of the folded angle points to the outer side of the non-circular closed structure.
In the actual use process, the periphery of the electrode part is set to be a non-circular closed structure, and in the cutting process, the outward protruding direction arranged on each part points to the folded angle on the outer side of the non-circular closed structure, so that when the size of the electrode part tail end for cutting is large, the situation of blunter cutting can be avoided, and the cutting efficiency of the surgical electric knife on the focus part is ensured.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic overall structural diagram of an electric scalpel according to an embodiment of the present disclosure;
fig. 2 is a schematic view of a first electrode portion structure according to an embodiment of the present disclosure;
fig. 3 is a schematic view of a second electrode portion structure according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a third electrode portion according to an embodiment of the present disclosure;
fig. 5 is a schematic cross-sectional view of an electrode portion structure provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a state of the electrode portion protruding limiting member according to the embodiment of the present application;
fig. 7 is a schematic structural diagram of a state of an electrode retraction limiting member according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of an operation portion according to an embodiment of the present application.
Wherein: 1-electrode part, 11-injection hole, 2-conveying part, 21-connecting pipe, 22-spiral pipe, 23-coating film, 24-outer pipe, 25-limiting part, 3-operating part, 31-liquid injection port, 32-positioning cap, 33-core rod, 34-slide block and 35-conductive plug.
Detailed Description
In the technical solution provided by the present application, for convenience of description, one end of the electrotome, which is placed in the human body, is referred to as a distal end, and the distal end is mainly used for performing surgical actions on tissues; the end outside the body is called the proximal end, which is mainly used for the operation of the operator. Unless otherwise stated, the term distal end of each member refers to the end near the inside of the body, and the term proximal end of each member refers to the end near the outside of the body.
In order to avoid the electrotome of current circular structure, when the tool bit diameter of circular structure is great, the radian of the convex cutting edge for the cutting is comparatively gentle, can produce the circumstances that the cutting is blunt, and this application embodiment provides an electrotome of operation. As shown in fig. 1, the surgical electric knife includes an electrode portion 1, a delivery portion 2, and an operation portion 3; the electrode part 1 is connected with the operation part 3 through the conveying part 2; in practical use, the electrode unit 1 is introduced into the body through the delivery unit 2, reaches a tissue site to be operated, and the electrode unit 1 is controlled by the operation unit 3 provided outside the body.
Specifically, the periphery of the electrode part 1 is provided with a non-circular closed structure, a folded angle is arranged on the non-circular closed structure, and the outward protruding direction of the folded angle points to the outer side of the non-circular closed structure. By arranging the periphery of the electrode part 1 into a noncircular closed structure with a bevel, in the actual cutting process, even if the tail end of the electrode part 1 is large in cutting size, the cutting bluntness can be avoided, it needs to be explained that the starting end of the electrode part 1 is close to the external operation end, the tail end of the electrode part 1 is one side far away from the external operation end, and the tail end of the electrode part 1 is a cutting part for cutting mucosa on the inner cavity wall of a human body.
Specifically, as shown in fig. 2, for a first electrode part structure schematic diagram provided in the embodiment of the present application, in some embodiments of the present application, the outer periphery of the electrode part 1 may be set to be a regular polygon structure, and vertices of the regular polygon form break angles.
Specifically, as shown in fig. 3, for the second electrode portion structure schematic diagram provided in the embodiment of the present application, in some embodiments of the present application, the outer periphery of the electrode portion 1 may be provided as a multi-stage continuous arc structure, and the bending directions of adjacent arc structures are opposite, so that a break angle is formed between two adjacent arc structures.
Specifically, as shown in fig. 4, for a third electrode part structure schematic diagram provided in the embodiment of the present application, the outer periphery of the electrode part 1 is arranged in a structure in which an arc is spaced from a line segment. The structure that the circular arcs are spaced from the line segments forms break angles between the adjacent circular arcs and the line segments.
The electrode portion 1 with the non-circular closed structure may also be applied to a product with an insulating structure at the distal end, and the electrode portion 1 may be directly formed by Metal Injection Molding (MIM), or may be formed primarily and processed secondarily by MIM.
When a high-frequency electrotome is used for operation, a focus part needs to be washed, or liquid is injected into a submucosal layer to form a liquid cushion, so that the electrotome is prevented from damaging deep tissues. In order to avoid replacing surgical instruments for multiple times and prolong the operation time, as shown in fig. 5, a schematic cross-sectional view of an electrode portion structure provided in an embodiment of the present application is shown, in some embodiments of the present application, an injection hole 11 is provided on the electrode portion 1, and the injection hole 11 communicates with an injection port 31 on the operation portion 3 through the conveying portion 2.
Further, in order to ensure a certain speed of the liquid ejected from the injection hole 11 of the electrode portion 1, the distal end inner diameter of the injection hole 11 is smaller than the proximal end inner diameter. It should be noted that the inner diameter of the distal end of the injection hole 11 is smaller than the inner diameter of the proximal end, and may be from the proximal end to the distal end, and the inner diameter of the injection hole 11 gradually decreases, for example, the distal end of the injection hole 11 on the electrode portion 1 is designed to be a tapered structure; the inner diameter of the injection hole 11 may be abrupt in a certain region, for example, the injection hole 11 of the electrode portion 1 is a stepped hole, so that the inner diameter of the farthest end of the injection hole 11 is smaller than that of the nearest end, or another form of injection hole 11 is adopted, thereby increasing the injection pressure of the injection hole 11 and ensuring a certain speed when the injection liquid is injected.
Further, in order to control the electrode portion 1, as shown in fig. 6, a schematic structural diagram of a state of the electrode portion protrusion limiting member provided in the embodiment of the present application is shown; fig. 7 is a schematic structural diagram of a state of the electrode retraction limiting member according to the embodiment of the present application. In some embodiments of the present application, the conveying part 2 includes a connecting pipe 21 and a spiral pipe 22, wherein one end of the connecting pipe 21 is connected to the electrode part 1, and the other end of the connecting pipe is connected to the spiral pipe 22, so that the injection hole 11 is communicated with the spiral pipe 22.
Further, the conveying part 2 further comprises a coating film 23 and an outer tube 24, the coating film 23 is coated on the outer sides of the connecting tube 21 and the spiral tube 22, the sealing of the connecting tube 21 and the spiral tube 22 is ensured through the coating film 23, and the outer tube 24 is arranged on the outer side of the coating film 23 and has a gap with the coating film 23. It should be noted that a gap is provided between the outer tube 24 and the coating film 23, on one hand, in order to allow the spiral tube 22 to easily move relative to the outer tube; on the other hand, the gap provided between the outer tube 24 and the coating film 23 may be designed as a passage through which the injection solution flows, under certain conditions.
Further, in order to limit the extending length of the electrode portion 1, as shown in fig. 6 and 7, in some embodiments of the present application, a limiting member 25 is further disposed at the end of the conveying portion 2, a through hole for accommodating the electrode portion 1 is disposed on the limiting member 25, and an inner diameter of the through hole is smaller than an outer diameter of the connecting pipe 21. As shown in fig. 6, which is a schematic view of an extending state of the electrode portion 1, at this time, the connecting pipe 21 may move to a farthest end that can be reached, and contact with the limiting member 25, as shown in fig. 7, which is a schematic view of a retracting state of the electrode portion 1, at this time, the electrode portion 1 may move to a nearest end that can be reached, a part or all of the part of the electrode portion 1 retracts into the limiting member 25, and an electrode receiving cavity (not shown in the drawing) is further disposed on the limiting member 25, and the electrode receiving cavity is configured to receive a tail end of the electrode portion 1, so as to ensure that the electrode portion 1 can retract into the limiting member 25 completely.
Further, the coil 22 is of a tapered pitch configuration with the distal pitch being less than the proximal pitch. Spiral tube 22 adopts the helical structure of gradual change pitch, and the relatively less pitch of distal end makes spiral tube 22 have the flexibility, easily passes through the bend of medical device (endoscope pipeline), and the relatively great pitch of near-end makes spiral tube 22 have the support nature, conveniently to distal end propelling movement electrode portion 1, just spiral tube 22 has concurrently annotates liquid chamber way and electrically conductive function.
As shown in fig. 8, for a schematic structural diagram of an operating part provided in an embodiment of the present application, the operating part 3 includes a positioning cap 32, a core bar 33, and a slider 34; the positioning cap 32 and the slide block 34 are arranged on the core bar 33, and the slide block 34 is connected with the conveying part 2, in particular, the positioning cap 32 is connected with the outer tube 24 of the conveying part 2; the conductive plug 35 and the pouring port 31 of the operation section 3 are provided on the slider 34.
According to the above technical solution, an embodiment of the present application provides an electric scalpel, including: an electrode portion 1, a conveying portion 2, and an operation portion 3; the electrode part 1 is connected with the operation part 3 through the conveying part 2; the periphery of the electrode part 1 is of a non-circular closed structure, a folded angle is arranged on the non-circular closed structure, and the outward protruding direction of the folded angle points to the outer side of the non-circular closed structure.
In the actual use process, the periphery of the electrode part 1 is set to be a non-circular closed structure, and in the cutting process, the bending angles of the outward convex directions arranged on all parts and pointing to the outer side of the non-circular closed structure can avoid the situation of blunter cutting when the size of the tail end of the electrode part 1 for cutting is large, so that the cutting efficiency of the surgical electric knife on the focus part is ensured.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.

Claims (12)

1. An electrosurgical knife comprising: an electrode unit (1), a conveying unit (2), and an operation unit (3); the electrode part (1) is connected with the operation part (3) through the conveying part (2);
the electrode part is characterized in that the periphery of the electrode part (1) is of a non-circular closed structure, a folded angle is arranged on the non-circular closed structure, and the direction of the folded angle points to the outer side of the non-circular closed structure.
2. The surgical electrotome according to claim 1, characterized in that the outer circumference of the electrode portion (1) is provided in a regular polygonal configuration.
3. The surgical knife according to claim 1, wherein the electrode portion (1) is provided at the outer periphery thereof with a multi-stage continuous arc structure, and the bending directions of the adjacent arc structures are opposite.
4. The surgical electrotome according to claim 1, wherein the outer circumference of the electrode portion (1) is arranged in a configuration in which an arc is spaced from a line segment.
5. The electrosurgical knife according to claim 1, wherein the electrode portion (1) is provided with an injection hole (11), and the injection hole (11) is communicated with an injection port (31) on the operation portion (3) through the conveying portion (2).
6. An electrosurgical knife according to claim 5, wherein the injection aperture (11) has a distal internal diameter less than a proximal internal diameter.
7. The surgical electrotome according to claim 5, wherein the delivery part (2) comprises a connecting tube (21) and a spiral tube (22), wherein one end of the connecting tube (21) is connected with the electrode part (1) and the other end is connected with the spiral tube (22) so that the injection hole (11) is communicated with the spiral tube (22).
8. The electrosurgical knife according to claim 7, characterized in that the delivery portion (2) further comprises a coating film (23) and an outer tube (24), the coating film (23) being coated on the outside of the connection tube (21) and the helical tube (22); the outer tube (24) is arranged outside the coating film (23) and has a gap with the coating film (23).
9. The surgical electric knife according to claim 7, characterized in that the end of the delivery part (2) is further provided with a limiting part (25), the limiting part (25) is provided with a through hole for accommodating the electrode part (1), and the inner diameter of the through hole is smaller than the outer diameter of the connecting pipe (21).
10. The electrosurgical knife according to claim 9, characterized in that the retaining member (25) further comprises an electrode receiving cavity for receiving the end of the electrode portion (1) to ensure that the electrode portion (1) can be completely retracted into the retaining member (25).
11. The electrosurgical knife of claim 7, wherein the coil (22) is of a graduated pitch configuration and the distal pitch is less than the proximal pitch.
12. An electrosurgical knife according to claim 1, characterized in that the operating portion (3) comprises a positioning cap (32), a core rod (33) and a slider (34);
the positioning cap (32) and the sliding block (34) are arranged on the core bar (33), and the sliding block (34) is connected with the conveying part (2); the conductive plug (35) and the liquid injection port (31) of the operation part (3) are arranged on the slider (34).
CN202121458753.9U 2021-06-29 2021-06-29 Surgical electric knife Active CN215651487U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202121458753.9U CN215651487U (en) 2021-06-29 2021-06-29 Surgical electric knife
JP2022001555U JP3238241U (en) 2021-06-29 2022-05-13 Surgical electric knife
DE202022102754.4U DE202022102754U1 (en) 2021-06-29 2022-05-18 Electrosurgical scalpel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121458753.9U CN215651487U (en) 2021-06-29 2021-06-29 Surgical electric knife

Publications (1)

Publication Number Publication Date
CN215651487U true CN215651487U (en) 2022-01-28

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Application Number Title Priority Date Filing Date
CN202121458753.9U Active CN215651487U (en) 2021-06-29 2021-06-29 Surgical electric knife

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JP (1) JP3238241U (en)
CN (1) CN215651487U (en)
DE (1) DE202022102754U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4252692A1 (en) * 2022-03-31 2023-10-04 Erbe Elektromedizin GmbH Electrical surgical instrument with permanent tensioning device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118121271B (en) * 2024-03-27 2024-08-27 江苏唯德康医疗科技有限公司 Dredging type mucous membrane incision sword in tool bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4252692A1 (en) * 2022-03-31 2023-10-04 Erbe Elektromedizin GmbH Electrical surgical instrument with permanent tensioning device

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JP3238241U (en) 2022-07-11
DE202022102754U1 (en) 2022-05-24

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