CN109394335A - The compound electric knife of high frequency - Google Patents

The compound electric knife of high frequency Download PDF

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Publication number
CN109394335A
CN109394335A CN201811486996.6A CN201811486996A CN109394335A CN 109394335 A CN109394335 A CN 109394335A CN 201811486996 A CN201811486996 A CN 201811486996A CN 109394335 A CN109394335 A CN 109394335A
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knife
head
rod
pipe body
needle
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Granted
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CN201811486996.6A
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Chinese (zh)
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CN109394335B (en
Inventor
戴银芳
恽宝中
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Jiangsu Ate Medical Technology Co ltd
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Wujin Hutang Bao Qiang Medical Information Consulting Service Department
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Publication of CN109394335A publication Critical patent/CN109394335A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • 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
    • A61B90/00—Instruments, 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
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • 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
    • A61B2018/00595—Cauterization
    • 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
    • A61B2018/00982—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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1412—Blade
    • 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
    • A61B2018/1405—Electrodes having a specific shape
    • A61B2018/1425—Needle

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

Abstract

本发明属于内窥镜下切割剥离技术领域，具体涉及一种高频复合电刀，包括操作部、主体部和刀头部，操作部包括滑杆，滑杆套设有滑环，滑环上设置有接电柱，滑杆中设置有拉绳，接电柱连接滑环和拉绳，主体部包括管体，管体开设有注入口，管体内部形成液柱通道，注入口连通液柱通道，液柱通道贯穿刀头部，刀头部包括刀杆、针刀和绝缘头，刀杆为中空结构，刀杆的一端与拉绳连接，拉绳带动刀杆在管体中滑动，刀杆的另一端与绝缘头连接，针刀设置在刀杆中，绝缘头为中空结构且连通刀杆。本发明解决电刀标记、喷液和切割时需要更换设备的问题，使电刀集切割、标记和喷液的功能于一体，结构简洁，生产成本低廉，保证了手术的安全性和可靠性。

The invention belongs to the technical field of cutting and peeling under an endoscope, and in particular relates to a high-frequency composite electric knife, comprising an operating part, a main body part and a knife head; the operating part comprises a sliding rod, the sliding rod is sleeved with a sliding ring, There is a power receiving column, a pull rope is set in the sliding rod, the power receiving column is connected with the slip ring and the pull rope, the main part includes a pipe body, the pipe body is provided with an injection port, a liquid column channel is formed inside the pipe body, and the injection port communicates with the liquid column The channel, the liquid column channel runs through the cutter head, the cutter head includes a cutter bar, a needle knife and an insulating head. The cutter bar is a hollow structure. The other end of the rod is connected with the insulating head, the needle knife is arranged in the knife rod, and the insulating head is a hollow structure and communicates with the knife rod. The invention solves the problem that equipment needs to be replaced when marking, spraying and cutting with the electric knife, and integrates the functions of cutting, marking and spraying into one, with simple structure and low production cost, and ensures the safety and reliability of the operation.

Description

The compound electric knife of high frequency
Technical field
The invention belongs to Microendoscopics to cut lift-off technology field, and in particular to a kind of compound electric knife of high frequency.
Background technique
Recently as the development of endoscopic technic, mucous membrane decollement (Endoscopic under scope Submucosaldissection, ESD) it is used widely, the treatment to hemorrhage of digestive tract, polypectomy and early cancer, It is increasingly becoming preferred treatment means.But ESD surgical procedure is many and diverse, general time-consuming very long, and need to carry out under scope guidance Operation.Scope is introduced into human body discovery pathological tissues, and instrument enters in human body in endoscopic forceps channel, progress lesion label, after label Instrument is exited, if affected area visual field is unintelligible, there are blood stains, hydrojet instrument is also needed to change and hydrojet cleaning, cleaning is carried out to affected area It is performed the operation again with suitable electric knife afterwards, instrument is needed replacing in operation, this makes operation become more cumbersome, and extends hand The art time brings pain to patient.
Summary of the invention
The invention aims to solve the above problems, the present invention provide one kind have both label, cutting and liquid spraying function in One, while structure is simple, the low-cost compound electric knife of high frequency.
Specific technical solution is as follows:
A kind of compound electric knife of high frequency, including operation portion, main part and cutter head portion,
The operation portion includes slide bar, and the jack rod sleeve is equipped with slip ring, offers notch on the slip ring, in the notch It is provided with power connecting column, drawstring is provided in the slide bar, the power connecting column connects the slip ring and the drawstring, the drawstring are worn If the main part is connect with the cutter head portion,
The main part includes tube body, and the tube body offers inlet, and the tube body is in hollow structure and is formed with liquid Column channel, the inlet are connected to the fluid column channel, and the cutter head portion is run through in the fluid column channel,
The cutter head portion is at least partially disposed in the tube body, and the cutter head portion includes knife bar, needle knife and insulative head, described Knife bar is hollow structure, and one end of the knife bar is connect with the drawstring, and drawstring drives knife bar to slide in tube body,
The other end of the knife bar is connect with the insulative head, and the needle knife is arranged in the knife bar, the insulative head For hollow structure and the connection knife bar.
In some embodiments, the operation portion further includes boost tube and connecting column, and the boost tube is set in described Setting is fixedly connected in the slide bar and the tube body, and through the connecting column with the power connecting column on drawstring.
In some embodiments, the tube body further includes Rule circular cone head, electric knife head, protecting pipe and sheath, institute The one end and the slide bar for stating Rule circular cone head are socketed, and the one of the other end of Rule circular cone head and the electric knife head End cap connects, and states electric knife head and is socketed by the connector and the sheath of internal setting, the protecting pipe is set in the sheath On.
In some embodiments, Rule circular cone head is connected to the fluid passage.
In some embodiments, the compound electric knife of high frequency according to claim 1, which is characterized in that the cutter head Portion further includes butt tube, and the knife bar connects the drawstring, the first limit of middle part setting of the butt tube by the butt tube Position block.
In some embodiments, one end of the knife bar offers multiple sliding mouths, and the needle knife is equipped with bending part, described Bending part is slideably fastened in the sliding mouth.
In some embodiments, the cutter head portion further includes needle knife fixing sleeve, and the needle knife fixing sleeve is sheathed on described At sliding mouth, the outer peripheral surface of the needle knife fixing sleeve is in dentalation, and with the tube body tight fit.
In some embodiments, the other end of the knife bar is in horn-like and is arranged, and is provided in the middle part of the knife bar Second limited block, the outer diameter of second limited block are greater than the internal diameter of the needle knife fixing sleeve.
In some embodiments, the insulative head is socketed on the port of the knife bar.
In some embodiments, on the slide bar and ring-shaped handle is respectively provided on the slip ring.
The invention has the following advantages: the compound electric knife of high frequency provided by the invention, by the cooperation of knife bar and needle knife, Affected area can be indicated and be cut, during this, no replacement is required instrument saves operating time.In addition, the present invention provides High frequency compound tool bit be additionally provided with inlet and fluid passage, if therefore affected area visual field is unintelligible, when having blood stains, note can be passed through Entrance and fluid passage clean affected area in the case where no replacement is required instrument, ensure that the safety of operation and reliable Property.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the compound electric knife of high frequency provided in an embodiment of the present invention；
Fig. 2 is the plane view cross-sectional schematic diagram of the compound electric knife of high frequency provided in an embodiment of the present invention；
Fig. 3 is amplification face schematic diagram of the Fig. 2 at A；
Fig. 4 is that cutter head portion enlarged plan section shows when the compound electric knife slip ring of high frequency provided in an embodiment of the present invention pulls back It is intended to；
Fig. 5 is that cutter head portion enlarged plan section shows when the compound electric knife slip ring of high frequency provided in an embodiment of the present invention pushes forward It is intended to.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference Fig. 1-Fig. 5, the present invention is described in more detail.
The present invention provides a kind of compound electric knife of high frequency, and concrete scheme is as follows:
A kind of compound electric knife of high frequency, including operation portion 1, main part 2 and cutter head portion 3.Operation portion 1 includes slide bar 11, slide bar 11 are arranged with slip ring 12, and notch 121 is offered on slip ring 12, and power connecting column 122 is provided in notch 121, is provided in slide bar 11 Drawstring 111,121 connection slip ring 12 of power connecting column and drawstring 111, drawstring 111 wear main part 2 and connect with the cutter head portion 3.Such as This, operation portion 1 drives drawstring 111 by slip ring 12, to operate and handle with dynamic cutter head portion 3 to lesion.
In some embodiments, operation portion 1 further includes boost tube 112 and connecting column 123, and boost tube 112 is set in drawing It is arranged in slide bar 11 and tube body 21 on rope 111, and is fixedly connected by connecting column 123 with the power connecting column 122.It is needing to lead to In the case where electricity, power connecting column 122 connects electricity, is transmitted electricity by connecting column 123, boost tube 112 and drawstring 111, furthermore boost tube 112 has Effect promotes the effect of the promotion knife bar 31 of drawstring 111.
Main part 2 includes tube body 21, and tube body 21 offers inlet 21, and tube body 21 is in hollow structure and to be formed with fluid column logical Road 27, inlet 21 are connected to fluid column channel 27, and cutter head portion 3 is run through in fluid column channel 27.In this way, inlet 21 injects liquid, liquid It is flow to cutter head portion by fluid passage 27, is sprayed from cutter head portion 3.
In some embodiments, tube body further includes Rule circular cone head 23, electric knife head 24, protecting pipe 25 and sheath 26, one end of Rule circular cone head 23 and slide bar 11 are socketed, the other end of Rule circular cone head 23 and one end of electric knife head 24 Socket, electric knife head 24 are socketed by the connector 28 and sheath 26 of internal setting, and protecting pipe 25 is set in sheath 26.At certain In a little embodiments, Rule circular cone head 23 is connected to fluid passage 27.
Specifically, topping-up pump or syringe can be connected to Rule circular cone head 23, carry out fluid injection, such as injection physiology salt Water etc..The fluid passage 27 that liquid enters connector 28 by Rule circular cone head 23 and sheath 26 is formed, protecting pipe 25 is to sheath Pipe 26 plays the role of protection.
Cutter head portion 3 is at least partially disposed in the tube body 21, and cutter head portion 3 includes knife bar 31, needle knife 32 and insulative head 33, knife Bar 31 is hollow structure, and one end of knife bar 31 is connect with drawstring 111, and drawstring 111 drives knife bar to slide in tube body 21, knife bar 31 The other end connect with insulative head 33, needle knife 32 be arranged in knife bar 31, insulative head 33 be hollow structure and connection knife bar 31.
In some embodiments, cutter head portion 3 further includes butt tube 34, and knife bar 31 passes through 34 connection stay cord 111 of butt tube, The first limited block 341 is arranged in the middle part of butt tube.
In this way, the drive knife bar 31 by drawstring 111 slides in sheath 26, needle knife 32 is made to generate cunning relative to knife bar 31 Dynamic, to keep needle knife 32 extended and retracted in knife bar 31, the first limited block 341 cooperates needle knife when drawstring drives knife bar previous 32 bending parts play position-limiting action and knife bar transition are avoided to stretch out sheath 26.
In some embodiments, one end of knife bar 31 offers multiple sliding mouths 312, and needle knife 32 is equipped with bending part 321, institute Bending part 321 is slideably fastened in sliding mouth 312.Cutter head portion 3 further includes needle knife fixing sleeve 35, and needle knife fixing sleeve 35 is sheathed on At sliding mouth 312, the outer peripheral surface of needle knife fixing sleeve 35 is in dentalation, and with 21 tight fit of tube body.In this way, needle knife 32 is relative to sheath Pipe 26 is remain stationary, and can be slided relative to knife bar 31, in addition, sliding mouth 312 is also used as the inflow entrance that liquid enters knife bar.
In some embodiments, the other end of knife bar 31 is in horn-like, and the middle part of the knife bar 31 is provided with the second limit Position block 311, the outer diameter of second limited block 311 are greater than the internal diameter of the needle knife fixing sleeve 35.In this way, liquid is from fluid passage 27 outflows can increase projected area, and the second limited block 311 is arranged, the excessive retraction sheath 26 of knife bar 31 can be effectively prevented.
In some embodiments, insulative head 33 is socketed on the port of knife bar 31.Insulative head 33 effectively prevents 3 He of cutter head portion Circuit is organized the formation of, thermal energy is effectively converted electrical energy into, to cut tissue.
In some embodiments, on slide bar 11 and ring-shaped handle 13 is respectively provided on slip ring 12.The setting of ring-shaped handle 13 Convenient for operation.
In conclusion the compound electric knife working principle of high frequency in embodiment of the present invention approximately as:
Hydrojet, label: the compound electric knife of high frequency is sought to affected part in Microendoscopic, if affected part blood stains are more, influence to mark, cut Operation is cut, pulls back the ring-shaped handle 13 of slip ring 11, drawstring 111 is driven to pull back knife bar 31, this hour hands knife is from knife bar 31 and insulative head 33 in stretch out, pass through 22 note of inlet in Rule circular cone head 23 with the syringe liquid that will remove contamination by medical staff Enter, influent channel 27, and go out to spray from insulative head 33, rinses blood stains.After cleaning up, power connecting column 122 connects electricity, will be electric It is delivered to needle knife source by drawstring 111, keeps needle knife 32 one week peripheral along lesion, a circle label is burnt out, in order to accurate Shallow-layer cutting is done in cutting removing.
Cutting removing: pushing forward the ring-shaped handle 13 of slip ring 11, will under the cooperation of boosting bar 112 by drawstring 111 Knife bar 31 pushes forward, exposes knife bar 31 from sheath 26 and covers needle knife 32；It is powered, under endoscope visual field, makes at this time Knife bar 31 is enclosed along label, cuts affected area perienchyma, lesion is stripped out.
The compound electric knife of high frequency provided by the invention can mark affected area by the cooperation of knife bar 31 and needle knife 32 Will and cutting, during this, no replacement is required instrument saves operating time.In addition, high frequency compound tool bit provided by the invention is also set Have inlet 121 and fluid passage 27, if therefore affected area visual field is unintelligible, when having blood stains, inlet 121 and liquid can be passed through Affected area is cleaned in the case where no replacement is required instrument in channel 27, ensure that the safety and reliability of operation.
Above-mentioned preferable possible embodiments only of the invention, are not limitations of the present invention, the present invention is also not limited to above-mentioned Citing, those skilled in the art, within the essential scope of the present invention, made variations, modifications, additions or substitutions, Also it should belong to protection scope of the present invention.

Claims (10)

1.一种高频复合电刀，其特征在于：包括操作部、主体部和刀头部，1. a high-frequency compound electric knife, is characterized in that: comprise operation part, main body part and knife head, 所述操作部包括滑杆，所述滑杆套设有滑环，所述滑环上开设有槽口，所述槽口内设置有接电柱，所述滑杆中设置有拉绳，所述接电柱连接所述滑环和所述拉绳，所述拉绳穿设所述主体部与所述刀头部连接，The operating part includes a sliding rod, a sliding ring is sleeved on the sliding rod, a slot is formed on the sliding ring, a receiving column is arranged in the slot, a pulling rope is arranged in the sliding rod, and the The power receiving post connects the slip ring and the pull rope, and the pull rope passes through the main body part and is connected with the cutter head part, 所述主体部包括管体，所述管体开设有注入口，所述管体呈中空结构并形成有液柱通道，所述注入口连通所述液柱通道，所述液柱通道贯穿所述刀头部，The main part includes a pipe body, the pipe body is provided with an injection port, the pipe body is hollow and is formed with a liquid column channel, the injection port is connected to the liquid column channel, and the liquid column channel penetrates the knife head, 所述刀头部至少部分位于所述管体中，所述刀头部包括刀杆、针刀和绝缘头，所述刀杆为中空结构，所述刀杆的一端与所述拉绳连接，拉绳带动刀杆在管体中滑动，The cutter head is at least partially located in the pipe body, the cutter head comprises a cutter bar, a needle cutter and an insulating head, the cutter bar is a hollow structure, and one end of the cutter bar is connected with the pull rope, The pulling rope drives the knife rod to slide in the pipe body, 所述刀杆的另一端与所述绝缘头连接，所述针刀设置在所述刀杆中，所述绝缘头为中空结构且连通所述刀杆。The other end of the knife rod is connected with the insulating head, the needle knife is arranged in the knife rod, and the insulating head is a hollow structure and communicates with the knife rod. 2.根据权利要求1所述的高频复合电刀，其特征在于，所述操作部还包括助推管和连接柱，所述助推管套设在所述拉绳上设置在所述滑杆和所述管体中，并通过所述连接柱和所述接电柱固定连接。2 . The high-frequency composite electrosurgical knife according to claim 1 , wherein the operation part further comprises a booster tube and a connecting column, and the booster tube is sleeved on the pull rope and arranged on the slide. 3 . The rod and the pipe body are fixedly connected through the connecting post and the power receiving post. 3.根据权利要求1所述的高频复合电刀，其特征在于，所述管体还包括鲁尔圆锥杆头、电刀杆头、护套管和鞘管，所述鲁尔圆锥杆头的一端和所述滑杆套接，所述鲁尔圆锥杆头的另一端和所述电刀杆头的一端套接，所述电刀杆头通过内部设置的连接件与所述鞘管套接，所述护套管套设在所述鞘管上。3. The high-frequency composite electrosurgical knife according to claim 1, wherein the pipe body further comprises a Luer conical rod head, an electric knife rod head, a sheath and a sheath, and the Luer conical rod head The other end of the luer cone head is sleeved with the sliding rod, and the other end of the luer cone head is sleeved with one end of the electric knife head. Then, the sheath tube is sleeved on the sheath tube. 4.根据权利要求3所述的高频复合电刀，其特征在于，所述鲁尔圆锥杆头连通所述液体通道。4 . The high-frequency composite electrosurgical knife according to claim 3 , wherein the luer cone tip communicates with the liquid channel. 5 . 5.根据权利要求1所述的高频复合电刀，其特征在于，所述刀头部还包括对接管，所述刀杆通过所述对接管连接所述拉绳，所述对接管的中部设置第一限位块。5 . The high-frequency composite electrosurgical knife according to claim 1 , wherein the knife head further comprises a butt pipe, and the knife shank is connected to the pull rope through the butt pipe, and the middle part of the butt pipe Set the first limit block. 6.根据权利要求1所述的高频复合电刀，其特征在于，所述刀杆的一端开设有多个滑口，所述针刀设有弯折部，所述弯折部可滑动地卡设在所述滑口中。6 . The high-frequency compound electric knife according to claim 1 , wherein a plurality of sliding openings are opened at one end of the knife bar, and the needle knife is provided with a bending part, and the bending part is slidable. 7 . is clamped in the sliding port. 7.根据权利要求6所述的高频复合电刀，其特征在于，所述刀头部还包括针刀固定套，所述针刀固定套套设于所述滑口处，所述针刀固定套的外周面呈齿状结构，且与所述管体紧配合。7 . The high-frequency compound electric knife according to claim 6 , wherein the knife head further comprises a needle knife fixing sleeve, the needle knife fixing sleeve is sleeved at the sliding port, and the needle knife is fixed The outer peripheral surface of the sleeve has a tooth-like structure and is tightly fitted with the pipe body. 8.根据权利要求7所述的高频复合电刀，其特征在于，所述刀杆的另一端呈喇叭状且设置，所述刀杆的中部设置有第二限位块，所述第二限位块的外径大于所述针刀固定套的内径。8 . The high-frequency compound electric knife according to claim 7 , wherein the other end of the knife bar is trumpet-shaped and arranged, and the middle part of the knife bar is provided with a second limit block. The outer diameter of the limiting block is larger than the inner diameter of the needle knife fixing sleeve. 9.根据权利要求8所述的高频复合电刀，其特征在于，所述绝缘头套接于所述刀杆的端口。9 . The high-frequency composite electric knife according to claim 8 , wherein the insulating head is sleeved on the port of the knife shank. 10 . 10.根据权利要求1所述的高频复合电刀，其特征在于，所述滑杆上和所述滑环上均设置环形拉手。10 . The high-frequency composite electrosurgical knife according to claim 1 , wherein an annular handle is provided on both the sliding rod and the sliding ring. 11 .
CN201811486996.6A 2018-12-06 2018-12-06 High frequency composite electrosurgery Active CN109394335B (en)

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CN109394335B CN109394335B (en) 2024-03-19

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CN110897708A (en) * 2019-11-25 2020-03-24 杭州市第一人民医院 Single-channel high-frequency electrotome
CN112545637A (en) * 2020-12-07 2021-03-26 深圳开立生物医疗科技股份有限公司 High-frequency electric knife
WO2025253298A1 (en) * 2024-06-04 2025-12-11 Multi-Scale Medical Robotics Center Limited Multi-functional dissection knife

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CN110897708A (en) * 2019-11-25 2020-03-24 杭州市第一人民医院 Single-channel high-frequency electrotome
CN112545637A (en) * 2020-12-07 2021-03-26 深圳开立生物医疗科技股份有限公司 High-frequency electric knife
WO2025253298A1 (en) * 2024-06-04 2025-12-11 Multi-Scale Medical Robotics Center Limited Multi-functional dissection knife

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