CN109620356B - Transverse folding stripping knife - Google Patents
Transverse folding stripping knife Download PDFInfo
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- CN109620356B CN109620356B CN201811531672.XA CN201811531672A CN109620356B CN 109620356 B CN109620356 B CN 109620356B CN 201811531672 A CN201811531672 A CN 201811531672A CN 109620356 B CN109620356 B CN 109620356B
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- folding
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000012212 insulator Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 13
- 238000012323 Endoscopic submucosal dissection Methods 0.000 claims description 8
- 230000005802 health problem Effects 0.000 abstract 1
- 230000003902 lesion Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000036541 health Effects 0.000 description 6
- 210000004877 mucosa Anatomy 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009297 electrocoagulation Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a transverse folding stripping knife which comprises a knife head, a steel wire, a guide pipe, an operation handle, an electrode and a handle, wherein the outer surface of the handle is in sliding connection with the inner surface of the operation handle, the bottom of the operation handle is fixedly connected with the top of the guide pipe, the outer surface of the electrode is fixedly connected with the middle part of the outer surface of the operation handle, one end of the steel wire penetrates through the inside of the guide pipe and is electrically connected with the outer surface of the electrode, the bottom of the guide pipe is fixedly connected with an annular rotating block, and a rotating groove is formed in the inner surface of the annular rotating block, so that the transverse folding stripping knife relates to the technical field of medical appliances. This horizontal folding stripping knife can place the excision point with tool bit and pipe parallel, then rotates to its axial and pipe perpendicular again, and then has accelerated the excision speed of focus, has solved current stripping knife because the tool bit is less, can not carry out quick excision to the focus, so excision efficiency is lower, has increased the risk of operation simultaneously again, influences patient's life health's problem.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a transverse folding stripping knife.
Background
The medical apparatus industry relates to a plurality of industries such as medicine, machinery, electronics, plastics and the like, is a multidisciplinary crossed, knowledge-intensive and fund-intensive high-technology industry, and the basic characteristics of the high-technology medical equipment are digitalization and computerization, are multidisciplinary and cross-field modern high-technology crystallization, have high product technology content and high profit, are mutually competing high points of large-scale international companies in various science and technology countries, have higher intervention threshold, continuously have products with higher technology content even in sub-industries with lower overall gross profit rate and low investment, and inoculate some enterprises with stronger profitability from the products, so the general trend of the industry is high investment and high income.
The endoscopic submucosal dissection is a new technology developed on the basis of endoscopic submucosal dissection, and mainly aims at early stage digestive tract cancers and precancerous lesions, and the method is an endoscopic operation technology which utilizes a plurality of special high-frequency electric knives to dissect the mucosa where the lesions are positioned on the basis of endoscopic submucosal injection so as to achieve the treatment purpose, the lesions can be completely resected through ESD, the effect of radically curing digestive tract tumors is achieved, when the endoscopic submucosal dissection is implemented, generally, the submucosal dissection is firstly marked around the lesions by an endoscopic electrocoagulation method, then the submucosal injection outside the marked points of the lesions is carried out, so that the lesion substrate is raised, then the mucosa around the lesions is dissected along the outer side edges of the marked points by using electric knives (dissecting knives), the lesion mucosa is gradually dissected, the mucosa is separated from the submucosal layer, and finally the lesions are completely resected.
The existing stripping knife cannot rapidly cut the focus due to the smaller knife head, so that the cutting efficiency is lower, meanwhile, the risk of operation is increased, and the life health of a patient is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the transverse folding stripping knife, which solves the problems that the existing stripping knife cannot rapidly cut a focus due to the smaller knife head, so that the cutting efficiency is lower, the risk of operation is increased, and the life health of a patient is influenced.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a horizontal folding stripping knife, includes tool bit, steel wire, pipe, handle, electrode and handle, the surface of handle and the internal surface sliding connection of handle, the bottom of handle and the top fixed connection of pipe, the surface of electrode and the middle part fixed connection of handle surface, the one end of steel wire runs through the inside of pipe and with the surface electric connection of electrode, the bottom fixedly connected with annular rotating block of pipe, and the internal surface of annular rotating block has seted up the rotation groove, the internal surface rotation in rotation groove is connected with the slewing ring frame, the other end and the top fixed connection of slewing ring frame of steel wire, the middle part fixedly connected with dwang at tool bit top, the internal surface and the surface rotation of slewing ring frame connecting rod are connected, the bottom of steel wire surface just is located the inside fixedly connected with limiting plate of pipe, the internal surface of limiting plate runs through there is the tensioning silk, the quantity of tensioning silk is provided with two the one end of tensioning silk respectively with the left and right sides fixed connection of slewing ring frame.
Preferably, the tool bit comprises a cylindrical insulator and a guide wire, wherein the outer surface of the guide wire is fixedly connected with the outer surface of the cylindrical insulator, and the guide wire extends along the axial direction of the cylindrical insulator.
Preferably, the middle part of one side of the outer surface of the cylindrical insulator is fixedly connected with one side of the rotating rod.
Preferably, the operation handle comprises a main handle body, an arc limiting rod and a sealing ring template, wherein the bottom of the main handle body is fixedly connected with the top of the arc limiting rod, the bottom of the arc limiting plate is fixedly connected with the top of the sealing ring template, and holding holes are formed in two sides of the main handle body.
Preferably, the outer surface of the handle is in sliding connection with the inner surface of the main handle body, and the bottom of the sealing annular plate is fixedly connected with the top of the guide pipe.
Preferably, the other end of the tensioning wire sequentially penetrates through the catheter, the arc-shaped limiting rod and the main handle body and is fixedly connected with the bottom of the handle.
Preferably, the handle comprises a pull rod and a pull ring, the top of the pull rod is fixedly connected with the bottom of the pull ring, a label groove is formed in the outer surface of the pull rod, and a friction ball is fixedly connected to the outer surface of the pull rod and located above the label groove.
Preferably, the outer surface of the pull rod is in sliding connection with the inside of the main handle body, and the bottom of the pull rod is fixedly connected with the other end of the tensioning wire.
(III) beneficial effects
The invention provides a transverse folding stripping knife. The beneficial effects are as follows:
(1) This horizontal folding stripping knife, through the bottom fixedly connected with annular rotating block at the pipe, the rotation groove has been seted up to the internal surface of annular rotating block, the internal surface of rotation groove rotates and is connected with the rotating ring frame, the other end and the top fixedly connected with of rotating ring frame of steel wire, the middle part fixedly connected with dwang at tool bit top, the internal surface of dwang rotates with the surface of rotating ring frame connecting rod and is connected, the bottom of steel wire surface just is located the inside fixedly connected with limiting plate of pipe, the internal surface of limiting plate runs through there is the tensioning silk, the quantity of tensioning silk is provided with two, the one end of two tensioning silk respectively with the left and right sides fixed connection of dwang, the cooperation annular rotating block, the rotation groove, rotating ring frame, the dwang, limiting plate and the setting of tensioning silk, can place the tool bit and pipe parallel to the excision point, then rotate to its axial and pipe perpendicularly again, and then the excision speed of focus has been accelerated, current stripping knife has been solved because the tool bit is less, can not carry out quick excision to the focus, so excision efficiency is lower, the risk of operation has been increased again simultaneously, influence patient's health.
(2) This horizontal folding stripping knife through the top fixed connection at the bottom of the main handle body and arc gag lever post, the top fixed connection of arc limiting plate's bottom and sealing ring shaped plate, hold the hole has all been seted up to the both sides of the main handle body, cooperation main handle body, arc gag lever post, sealing ring shaped plate and hold the setting in hole, can keep apart cavity and external environment when using, avoid having external air to flow into in the patient's health along the clearance between cavity and the pipe, the condition that causes the harm to patient appears.
(3) This horizontal folding stripping knife, through the bottom fixed connection at the top of pull rod and pull ring, the sign groove has been seted up to the surface of pull rod, the surface of pull rod and the top fixedly connected with friction ball that is located the sign groove, cooperation pull rod, pull ring, sign groove and friction ball set up, carry out the reinforcement in the aspect of the details to the device, when utilizing friction ball increase friction force, can also increase user's feel, the protruding grain sign of inside placement in sign groove also can increase pull rod friction force simultaneously, effectively alleviate the condition that the worker's palm sweats.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a partial cross-sectional view of the structure of the present invention;
FIG. 3 is a schematic diagram of the structure of FIG. 2A according to the present invention;
fig. 4 is a schematic diagram of the modified structure of fig. 2 according to the present invention.
In the figure, 1-tool bit, 2-steel wire, 3-guide tube, 4-operation handle, 5-electrode, 6-handle, 7-annular rotating block, 8-rotating groove, 9-rotating ring frame, 10-rotating rod, 11-limiting plate, 12-tensioning wire, 13-cylindrical insulator, 14-guide wire, 15-main handle body, 16-arc-shaped limiting rod, 17-sealing ring template, 18-holding hole, 19-pull rod, 20-pull ring, 21-label groove and 22-friction ball.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the embodiment of the present invention provides a technical solution: a transverse folding stripping knife comprises a knife head 1, a steel wire 2, a guide tube 3, an operation handle 4, an electrode 5 and a handle 6, wherein the outer surface of the handle 6 is in sliding connection with the inner surface of the operation handle 4, the bottom of the operation handle 4 is fixedly connected with the top of the guide tube 3, the outer surface of the electrode 5 is fixedly connected with the middle part of the outer surface of the operation handle 4, one end of the steel wire 2 penetrates through the inside of the guide tube 3 and is electrically connected with the outer surface of the electrode 5, an annular rotating block 7 is fixedly connected with the bottom of the guide tube 3, a rotating groove 8 is formed in the inner surface of the annular rotating block 7, a rotating ring frame 9 is rotatably connected with the inner surface of the rotating groove 8, the other end of the steel wire 2 is fixedly connected with the top of the rotating ring frame 9, a rotating rod 10 is fixedly connected with the middle part of the top of the knife head 1, the inner surface of the rotating rod 10 is rotatably connected with the outer surface of the connecting rod of the rotating ring frame 9, a limiting plate 11 is fixedly connected with the bottom of the outer surface of the steel wire 2 and is positioned inside the guide tube 3, the inner surface of the limiting plate 11 is penetrated with two tensioning wires 12, one ends of the two tensioning wires 12 are fixedly connected with the left side and the right side of the rotating rod 10 respectively, the cutter head 1 and the guide tube 3 can be placed at a cutting point in parallel by matching with the arrangement of the annular rotating block 7, the rotating groove 8, the rotating ring frame 9, the rotating rod 10, the limiting plate 11 and the tensioning wires 12, and then the cutter head 1 and the guide tube 3 are rotated to be vertical to the guide tube 3 in the axial direction, thereby accelerating the cutting speed of a focus, solving the problems that the existing stripping cutter cannot cut the focus rapidly due to smaller cutter head, the cutting efficiency is lower, the risk of operation is increased, and the life and health of a patient are influenced, the cutter head 1 comprises a cylindrical insulator 13 and a guide wire 14, the outer surface of the guide wire 14 is fixedly connected with the outer surface of the cylindrical insulator 13, the guide wire 14 extends along the axial direction of the cylindrical insulator 13, the middle part of one side of the outer surface of the cylindrical insulator 13 is fixedly connected with one side of the rotating rod 10, the operating handle 4 comprises a main handle body 15, an arc-shaped limiting rod 16 and a sealing ring template 17, the bottom of the main handle body 15 is fixedly connected with the top of the arc-shaped limiting rod 16, the bottom of the arc-shaped limiting plate 11 is fixedly connected with the top of the sealing ring template 17, holding holes 18 are formed in two sides of the main handle body 15, the arrangement of the main handle body 15, the arc-shaped limiting rod 16, the sealing ring template 17 and the holding holes 18 are matched, when in use, a cavity and the external environment can be isolated, the condition that the external air flows into a patient body along a gap between the cavity and the guide tube 3 and damages the health of the patient is avoided, the outer surface of the handle 6 is in sliding connection with the inner surface of the main handle body 15, the bottom of the sealing ring plate 17 is fixedly connected with the top of the guide pipe 3, the other end of the tensioning wire 12 sequentially penetrates through the guide pipe 3, the arc-shaped limiting rod 16 and the main handle body 15 and is fixedly connected with the bottom of the handle 6, the handle 6 comprises a pull rod 19 and a pull ring 20, the top of the pull rod 19 is fixedly connected with the bottom of the pull ring 20, the outer surface of the pull rod 19 is provided with a label groove 21, a friction ball 22 is fixedly connected above the label groove 21, the arrangement of the pull rod 19, the pull ring 20, the label groove 21 and the friction ball 22 are matched, the detail of the device is strengthened, the hand feeling of a user can be increased while the friction force is increased by utilizing the friction ball 22, meanwhile, the friction force of the pull rod can be increased by placing a convex particle label in the label groove 21, the perspiration of the hand of a worker is effectively lightened, the outer surface of the pull rod 19 is in sliding connection with the inside of the main handle body 15, the bottom of the pull rod 19 is fixedly connected with the other end of the tensioning wire 12.
When the tool bit 1 rotates to the axial direction parallel to the catheter 3, then the catheter 3 and the tool bit 1 can be sent into the esophagus from the cavity, when the tool bit 1 reaches a lesion site, the handle 6 is operated, the tension wire 12 is pulled to enable the tool bit 1 to rotate to the axial direction perpendicular to the catheter 3, and then the lesion tissue is resected.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a horizontal folding scope submucosal peels off art with peeling off sword, includes tool bit (1), steel wire (2), pipe (3), handle (4), electrode (5) and handle (6), the surface of handle (6) and the internal surface sliding connection of handle (4), the bottom of handle (4) and the top fixed connection of pipe (3), the surface of electrode (5) and the middle part fixed connection of handle (4) surface, the one end of steel wire (2) runs through the inside of pipe (3) and with the surface electric connection of electrode (5), its characterized in that: the novel steel wire tensioning device is characterized in that an annular rotating block (7) is fixedly connected to the bottom of the guide tube (3), a rotating groove (8) is formed in the inner surface of the annular rotating block (7), a rotating ring frame (9) is rotatably connected to the inner surface of the rotating groove (8), the other end of the steel wire (2) is fixedly connected with the top of the rotating ring frame (9), a rotating rod (10) is fixedly connected to the middle part of the top of the cutter head (1), the inner surface of the rotating rod (10) is rotatably connected with the outer surface of a connecting rod of the rotating ring frame (9), a limiting plate (11) is fixedly connected to the bottom of the outer surface of the steel wire (2) and the inner surface of the guide tube (3), tensioning wires (12) penetrate through the inner surface of the limiting plate (11), two tensioning wires (12) are arranged, and one ends of the two tensioning wires (12) are fixedly connected with the left side and the right side of the rotating rod (10) respectively;
the operating handle (4) comprises a main handle body (15), an arc-shaped limiting rod (16) and a sealing ring template (17), wherein the bottom of the main handle body (15) is fixedly connected with the top of the arc-shaped limiting rod (16), the bottom of the limiting plate (11) is fixedly connected with the top of the sealing ring template (17), and holding holes (18) are formed in two sides of the main handle body (15);
the other end of the tensioning wire (12) sequentially penetrates through the guide pipe (3), the arc-shaped limiting rod (16) and the main handle body (15) and is fixedly connected with the bottom of the handle (6), and the tool bit and the guide pipe can be placed in parallel to a cutting point by matching with the arrangement of the annular rotating block, the rotating groove, the rotating ring frame, the rotating rod, the limiting plate and the tensioning wire, and then rotate to the axial direction perpendicular to the guide pipe, so that the cutting speed of a focus is accelerated.
2. A folding endoscopic submucosal dissection knife according to claim 1, wherein: the tool bit (1) comprises a cylindrical insulator (13) and a guide wire (14), wherein the outer surface of the guide wire (14) is fixedly connected with the outer surface of the cylindrical insulator (13), and the guide wire (14) extends along the axial direction of the cylindrical insulator (13).
3. A folding endoscopic submucosal dissection knife according to claim 2, wherein: the middle part of one side of the outer surface of the cylindrical insulator (13) is fixedly connected with one side of the rotating rod (10).
4. A folding endoscopic submucosal dissection knife according to claim 1, wherein: the outer surface of the handle (6) is in sliding connection with the inner surface of the main handle body (15), and the bottom of the sealing ring plate (17) is fixedly connected with the top of the catheter (3).
5. A folding endoscopic submucosal dissection knife according to claim 4, wherein: the handle (6) comprises a pull rod (19) and a pull ring (20), the top of the pull rod (19) is fixedly connected with the bottom of the pull ring (20), a label groove (21) is formed in the outer surface of the pull rod (19), and a friction ball (22) is fixedly connected to the outer surface of the pull rod (19) and located above the label groove (21).
6. A folding endoscopic submucosal dissection knife according to claim 5, wherein: the outer surface of the pull rod (19) is in sliding connection with the inside of the main handle body (15), and the bottom of the pull rod (19) is fixedly connected with the other end of the tensioning wire (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811531672.XA CN109620356B (en) | 2018-12-14 | 2018-12-14 | Transverse folding stripping knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811531672.XA CN109620356B (en) | 2018-12-14 | 2018-12-14 | Transverse folding stripping knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109620356A CN109620356A (en) | 2019-04-16 |
| CN109620356B true CN109620356B (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811531672.XA Active CN109620356B (en) | 2018-12-14 | 2018-12-14 | Transverse folding stripping knife |
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| CN (1) | CN109620356B (en) |
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| WO2000042926A1 (en) * | 1999-01-26 | 2000-07-27 | General Science & Technology Corporation | Polypectomy snare instrument with rotatable shaft |
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| CN109620356A (en) | 2019-04-16 |
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