CN210044113U - High-frequency composite electric knife - Google Patents

High-frequency composite electric knife Download PDF

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Publication number
CN210044113U
CN210044113U CN201822047520.4U CN201822047520U CN210044113U CN 210044113 U CN210044113 U CN 210044113U CN 201822047520 U CN201822047520 U CN 201822047520U CN 210044113 U CN210044113 U CN 210044113U
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CN
China
Prior art keywords
head
electrotome
knife
cutter
bar
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Active
Application number
CN201822047520.4U
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Chinese (zh)
Inventor
戴银芳
恽宝中
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.)
JIANGSU ATE MEDICAL TECHNOLOGY Co.,Ltd.
Original Assignee
Wujin Hutang Bao Qiang Medical Information Consulting Service Department
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Priority to CN201822047520.4U priority Critical patent/CN210044113U/en
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Abstract

The utility model belongs to the technical field of the cutting is peeled off under the endoscope, concretely relates to compound electrotome of high frequency, including the operation portion, main part and cutter head portion, the operation portion includes the slide bar, the slide bar cover is equipped with the sliding ring, be provided with the electrical connection post on the sliding ring, be provided with the stay cord in the slide bar, electrical connection post connection sliding ring and stay cord, the main part includes the body, the filling opening has been seted up to the body, the inside liquid column passageway that forms of body, filling opening intercommunication liquid column passageway, liquid column passageway runs through the cutter head portion, the cutter head portion includes the cutter arbor, acupotomy and insulating head, the cutter arbor is hollow structure, the one end and the stay cord of cutter arbor are connected, the stay cord drives the cutter arbor and slides in the body, the other end and the insulating head. The utility model provides a need the problem of change equipment when electrotome mark, hydrojet and cutting, the function in an organic whole of time electrotome collection cutting, mark and hydrojet, the structure is succinct, and low in production cost is honest and clean, has guaranteed the security and the reliability of operation.

Description

High-frequency composite electric knife
Technical Field
The utility model belongs to the technical field of the cutting is peeled off under the endoscope, concretely relates to compound electrotome of high frequency.
Background
With the development of Endoscopic technology in recent years, Endoscopic mucosal dissection (ESD) has been widely used, and it is becoming the first choice for the treatment of gastrointestinal hemorrhage, polypectomy and early cancer. However, the ESD surgery is complicated, generally takes a long time, and requires an endoscope-guided surgery. The endoscope enters a human body to find diseased tissues, the instrument enters the human body through the endoscope channel to mark the diseased tissues, the instrument is withdrawn after marking, if the field of view of the focus is not clear and blood stain exists, the liquid spraying instrument needs to be replaced to spray liquid to clean the focus, the proper electrotome is used for performing operation after cleaning, the instrument needs to be replaced in the operation, the operation becomes more complicated, the operation time is prolonged, and pain is brought to a patient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to solve above-mentioned problem, the utility model provides a have mark, cutting and hydrojet function in an organic whole concurrently, simple structure, low cost's compound electrotome of high frequency simultaneously.
The specific technical scheme is as follows:
a high-frequency composite electrotome comprises an operation part, a main body part and a cutter head part,
the operation part comprises a slide bar, the slide bar is sleeved with a slide ring, a notch is formed in the slide ring, an electric connection post is arranged in the notch, a pull rope is arranged in the slide bar, the electric connection post is connected with the slide ring and the pull rope, the pull rope penetrates through the main body part and is connected with the cutter head part,
the main body part comprises a tube body, the tube body is provided with an injection opening, the tube body is of a hollow structure and is provided with a liquid column channel, the injection opening is communicated with the liquid column channel, the liquid column channel penetrates through the cutter head part,
the knife head part is at least partially positioned in the tube body and comprises a knife bar, a needle knife and an insulating head, the knife bar is of a hollow structure, one end of the knife bar is connected with the pull rope, the pull rope drives the knife bar to slide in the tube body,
the other end of the cutter bar is connected with the insulating head, the needle knife is arranged in the cutter bar, and the insulating head is of a hollow structure and is communicated with the cutter bar.
In some embodiments, the operation part further comprises a boosting pipe and a connecting column, wherein the boosting pipe is sleeved on the pull rope and is arranged in the slide rod and the pipe body, and the boosting pipe is fixedly connected with the connecting column through the connecting column.
In some embodiments, the tube further includes a luer taper rod head, an electric knife rod head, a sheath tube and a sheath tube, wherein one end of the luer taper rod head is sleeved with the slide rod, the other end of the luer taper rod head is sleeved with one end of the electric knife rod head, the electric knife rod head is sleeved with the sheath tube through a connecting piece arranged inside, and the sheath tube is sleeved on the sheath tube.
In some embodiments, the luer taper head communicates with the fluid column channel.
In some embodiments, the cutter head further comprises an abutting pipe, the cutter bar is connected with the pull rope through the abutting pipe, and a first limiting block is arranged in the middle of the abutting pipe.
In some embodiments, one end of the knife bar is provided with a plurality of sliding openings, and the needle knife is provided with a bending part which is slidably clamped in the sliding openings.
In some embodiments, the knife head further includes a needle knife fixing sleeve, the needle knife fixing sleeve is sleeved at the sliding opening, and an outer peripheral surface of the needle knife fixing sleeve is in a tooth-shaped structure and is tightly fitted with the tube body.
In some embodiments, the other end of the cutter bar is trumpet-shaped and arranged, a second limiting block is arranged in the middle of the cutter bar, and the outer diameter of the second limiting block is larger than the inner diameter of the needle knife fixing sleeve.
In some embodiments, the insulator head is sleeved to a port of the tool bar.
In certain embodiments, a loop pull is provided on both the slide bar and the slip ring.
The utility model discloses following beneficial effect has: the utility model provides a compound electrotome of high frequency, through the cooperation of cutter arbor and needle sword, can mark and cut focus department, this in-process need not to change the apparatus, practices thrift operating time. Furthermore, the utility model provides a high frequency composite cutter head still is equipped with filling opening and liquid column passageway, consequently if focus department visual field is unclear, when having bloodiness, accessible filling opening and liquid column passageway are washd focus department under the condition that need not to change the apparatus, have guaranteed the security and the reliability of operation.
Drawings
Fig. 1 is a schematic perspective view of a high-frequency compound electrotome provided in an embodiment of the present invention;
fig. 2 is a schematic plan cross-sectional view of a high-frequency compound electrotome provided by an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A of FIG. 2;
fig. 4 is a schematic cross-sectional view of an enlarged tool bit portion when the high-frequency composite electric tool slip ring provided by the embodiment of the present invention is pulled backwards;
fig. 5 is a schematic cross-sectional view of an enlarged tool bit portion when the high-frequency composite electric tool slip ring provided by the embodiment of the present invention is pushed forward.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments, and with reference to fig. 1 to 5.
The utility model provides a compound electrotome of high frequency, concrete scheme is as follows:
a high-frequency composite electrotome comprises an operation part 1, a main body part 2 and a cutter head part 3. The operation part 1 comprises a sliding rod 11, a sliding ring 12 is sleeved on the sliding rod 11, a notch 121 is formed in the sliding ring 12, an electric connecting column 122 is arranged in the notch 121, a pull rope 111 is arranged in the sliding rod 11, the electric connecting column 121 is connected with the sliding ring 12 and the pull rope 111, and the pull rope 111 penetrates through the main body part 2 to be connected with the cutter head part 3. In this way, the operation unit 1 drives the pull rope 111 through the slip ring 12, thereby driving the cutter head unit 3 to operate and treat the lesion.
In some embodiments, the operating part 1 further comprises a boosting tube 112 and a connecting column 123, wherein the boosting tube 112 is sleeved on the pulling rope 111, is arranged in the sliding rod 11 and the tube body 21, and is fixedly connected with the connecting column 122 through the connecting column 123. When power is required to be supplied, the power connection post 122 is powered on, power is transmitted through the connection post 123, the boosting pipe 112 and the pull rope 111, and the boosting pipe 112 effectively promotes the effect that the pull rope 111 pushes the cutter bar 31.
The main body part 2 comprises a tube body 21, the tube body 21 is provided with an injection port 21, the tube body 21 is of a hollow structure and is provided with a liquid column channel 27, the injection port 21 is communicated with the liquid column channel 27, and the liquid column channel 27 penetrates through the cutter head part 3. Thus, the liquid is injected into the inlet 21, flows to the cutter head portion through the liquid column channel 27, and is discharged from the cutter head portion 3.
In some embodiments, the tube further includes a luer taper rod head 23, a electric knife rod head 24, a sheath tube 25 and a sheath tube 26, one end of the luer taper rod head 23 is sleeved with the sliding rod 11, the other end of the luer taper rod head 23 is sleeved with one end of the electric knife rod head 24, the electric knife rod head 24 is sleeved with the sheath tube 26 through a connecting piece 28 arranged inside, and the sheath tube 25 is sleeved on the sheath tube 26. In certain embodiments, luer taper head 23 communicates with liquid column channel 27.
Specifically, an infusion pump or a syringe may be attached to the luer taper head 23 to perform infusion, such as injection of physiological saline or the like. The liquid enters a liquid column channel 27 formed by the connecting piece 28 and the sheath 26 through the luer conical rod head 23, and the sheath 25 protects the sheath 26.
The cutter head portion 3 is at least partially located in the tube body 21, the cutter head portion 3 comprises a cutter bar 31, a needle knife 32 and an insulating head 33, the cutter bar 31 is of a hollow structure, one end of the cutter bar 31 is connected with a pull rope 111, the pull rope 111 drives the cutter bar to slide in the tube body 21, the other end of the cutter bar 31 is connected with the insulating head 33, the needle knife 32 is arranged in the cutter bar 31, and the insulating head 33 is of a hollow structure and is communicated with the cutter bar 31.
In some embodiments, the tool bit 3 further includes an abutting pipe 34, the tool bar 31 is connected to the pull rope 111 through the abutting pipe 34, and a first stop block 341 is disposed in the middle of the abutting pipe.
So, drive cutter arbor 31 through stay cord 111 slides in sheath 26, makes needle sword 32 produce for cutter arbor 31 and slides to make needle sword 32 stretch out and retract in cutter arbor 31, first stopper 341 cooperation needle sword 32 kink when the stay cord drives the cutter arbor before plays limiting displacement and avoids the cutter arbor transition to stretch out sheath 26.
In some embodiments, one end of the knife bar 31 is provided with a plurality of sliding openings 312, the needle knife 32 is provided with a bent portion 321, and the bent portion 321 is slidably engaged in the sliding openings 312. The knife head portion 3 further comprises a needle knife fixing sleeve 35, the needle knife fixing sleeve 35 is sleeved at the sliding opening 312, and the outer peripheral surface of the needle knife fixing sleeve 35 is in a toothed structure and is tightly matched with the tube body 21. In this way, the needle knife 32 is held stationary with respect to the sheath 26 and is slidable with respect to the knife bar 31, and the slide port 312 can also serve as an inlet port through which liquid enters the knife bar.
In some embodiments, the other end of the cutter bar 31 is in a shape of a horn, a second limit block 311 is disposed in the middle of the cutter bar 31, and the outer diameter of the second limit block 311 is greater than the inner diameter of the needle-knife fixing sleeve 35. Therefore, the liquid flows out from the liquid column channel 27 to increase the spraying area, and the second limiting block 311 is arranged to effectively prevent the cutter bar 31 from excessively retracting into the sheath 26.
In some embodiments, the insulator head 33 is sleeved to a port of the tool holder 31. The insulation head 33 effectively prevents the cutter head portion 3 and the tissue from forming a loop, and effectively converts electric energy into heat energy, thereby cutting the tissue.
In some embodiments, a loop handle 13 is provided on both the slide bar 11 and the slip ring 12. The ring handle 13 is provided for easy operation.
To sum up, the utility model discloses compound electrotome theory of operation of high frequency among the embodiment is roughly as follows:
liquid spraying and marking: the high-frequency composite electrotome is found to an affected part under an endoscope, if the blood stain of the affected part is more, the marking and cutting operation is influenced, the annular handle 13 of the sliding ring 11 is pulled backwards, the pull rope 111 is driven to pull the cutter bar 31 backwards, the needle knife extends out of the cutter bar 31 and the insulating head 33 at the moment, the medical staff injects the decontamination solution into the injection opening 22 on the luer taper rod head 23 through the injector, the decontamination solution flows into the liquid column channel 27 and is sprayed out of the insulating head 33, and the blood stain is washed. After cleaning, the power connection pole 122 connects with electricity, and the electricity is transmitted to the needle knife outlet through the pull rope 111, so that the needle knife 32 burns a circle of mark along the periphery of the focus for accurate cutting and stripping or shallow layer cutting.
Cutting and stripping: the ring-shaped handle 13 of the slip ring 11 is pushed forwards, the cutter bar 31 is pushed forwards under the cooperation of the boosting rod 112 through the pull rope 111, so that the cutter bar 31 is exposed out of the sheath tube 26 and shields the needle knife 32; at this time, the power is turned on, and the cutter bar 31 is driven to cut the peripheral tissue of the focus along the marking ring in the endoscope field of view, so as to strip the focus.
The utility model provides a compound electrotome of high frequency, through the cooperation of cutter arbor 31 and needle sword 32, can mark and cut focus department, this in-process need not to change the apparatus, practices thrift operating time. Furthermore, the utility model provides a high frequency composite cutter head still is equipped with filling opening 121 and liquid column passageway 27, consequently if focus department visual field is unclear, when having bloodiness, accessible filling opening 121 and liquid column passageway 27 wash focus department under the condition that need not to change the apparatus, have guaranteed the security and the reliability of operation.
The above-mentioned only the utility model discloses the feasible embodiment of preferred is not right the utility model discloses a restriction, the utility model discloses also not be limited to the above-mentioned example, technical field's technical personnel the utility model discloses an in the essential scope, change, modification, interpolation or replacement made also should belong to the utility model discloses a protection scope.

Claims (10)

1. The utility model provides a compound electrotome of high frequency which characterized in that: comprises an operation part, a main body part and a cutter head part,
the operation part comprises a slide bar, the slide bar is sleeved with a slide ring, a notch is formed in the slide ring, an electric connection post is arranged in the notch, a pull rope is arranged in the slide bar, the electric connection post is connected with the slide ring and the pull rope, the pull rope penetrates through the main body part and is connected with the cutter head part,
the main body part comprises a tube body, the tube body is provided with an injection opening, the tube body is of a hollow structure and is provided with a liquid column channel, the injection opening is communicated with the liquid column channel, the liquid column channel penetrates through the cutter head part,
the knife head part is at least partially positioned in the tube body and comprises a knife bar, a needle knife and an insulating head, the knife bar is of a hollow structure, one end of the knife bar is connected with the pull rope, the pull rope drives the knife bar to slide in the tube body,
the other end of the cutter bar is connected with the insulating head, the needle knife is arranged in the cutter bar, and the insulating head is of a hollow structure and is communicated with the cutter bar.
2. The high-frequency compound electrotome according to claim 1, characterized in that the operating part further comprises a boosting tube and a connecting column, wherein the boosting tube is sleeved on the pull rope and is arranged in the slide bar and the tube body, and is fixedly connected with the connecting column through the connecting column.
3. The high-frequency composite electrotome according to claim 1, wherein the tubular body further comprises a luer taper rod head, an electrotome rod head, a sheath tube and a sheath tube, one end of the luer taper rod head is sleeved with the slide rod, the other end of the luer taper rod head is sleeved with one end of the electrotome rod head, the electrotome rod head is sleeved with the sheath tube through a connecting piece arranged inside, and the sheath tube is sleeved on the sheath tube.
4. The high-frequency compound electrotome according to claim 3, wherein the luer taper head communicates with the liquid column channel.
5. The high-frequency compound electrotome according to claim 1, wherein the head part further comprises an abutting pipe, the cutter bar is connected with the pull rope through the abutting pipe, and a first limiting block is arranged in the middle of the abutting pipe.
6. The high-frequency composite electrotome according to claim 1, wherein one end of the cutter bar is provided with a plurality of sliding openings, and the needle knife is provided with a bent portion which is slidably clamped in the sliding openings.
7. The high-frequency composite electrotome according to claim 6, wherein the head portion further comprises a needle-knife fixing sleeve, the needle-knife fixing sleeve is sleeved at the sliding port, and the outer peripheral surface of the needle-knife fixing sleeve is in a toothed structure and is tightly fitted with the tube body.
8. The high-frequency composite electrotome according to claim 7, wherein the other end of the cutter bar is trumpet-shaped and arranged, a second limiting block is arranged in the middle of the cutter bar, and the outer diameter of the second limiting block is larger than the inner diameter of the needle-knife fixing sleeve.
9. The high-frequency compound electrotome according to claim 8, characterized in that the insulation head is sleeved on a port of the cutter bar.
10. The high-frequency composite electrotome according to claim 1, wherein a ring handle is provided on both the slide bar and the slip ring.
CN201822047520.4U 2018-12-06 2018-12-06 High-frequency composite electric knife Active CN210044113U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822047520.4U CN210044113U (en) 2018-12-06 2018-12-06 High-frequency composite electric knife

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822047520.4U CN210044113U (en) 2018-12-06 2018-12-06 High-frequency composite electric knife

Publications (1)

Publication Number Publication Date
CN210044113U true CN210044113U (en) 2020-02-11

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ID=69378155

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822047520.4U Active CN210044113U (en) 2018-12-06 2018-12-06 High-frequency composite electric knife

Country Status (1)

Country Link
CN (1) CN210044113U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112472277A (en) * 2020-11-25 2021-03-12 西安交通大学医学院第一附属医院 Electrotome limiting and cleaning device used in operation and use method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112472277A (en) * 2020-11-25 2021-03-12 西安交通大学医学院第一附属医院 Electrotome limiting and cleaning device used in operation and use method thereof
CN112472277B (en) * 2020-11-25 2022-02-11 西安交通大学医学院第一附属医院 Spacing, cleaning device of electrotome that uses in art

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TR01 Transfer of patent right

Effective date of registration: 20200916

Address after: 213100 No. 8 Lan Xiang Road, Wujin Economic Development Zone, Changzhou, Jiangsu

Patentee after: JIANGSU ATE MEDICAL TECHNOLOGY Co.,Ltd.

Address before: 213100 No. 12-7013 Garden Street, No. 159 Huayuan street, Hutang Town, Wujin District, Changzhou, Jiangsu.

Patentee before: WUJIN DISTRICT HUTANG BAOQIANG MEDICAL INFORMATION CONSULTING SERVICE DEPARTMENT