CN106983539A - A kind of medical rotatable snare - Google Patents
A kind of medical rotatable snare Download PDFInfo
- Publication number
- CN106983539A CN106983539A CN201710316688.8A CN201710316688A CN106983539A CN 106983539 A CN106983539 A CN 106983539A CN 201710316688 A CN201710316688 A CN 201710316688A CN 106983539 A CN106983539 A CN 106983539A
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- China
- Prior art keywords
- gear
- tube
- boost
- boost tube
- knob
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- 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
- A61B17/32056—Surgical snare instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides the medical rotatable snare of one kind, including lasso, drag-line and the boost tube being sequentially connected, knob is socketed with outside boost tube, knob drives boost tube to rotate.Including boost tube gear, the center for being arranged on boost tube gear that boost tube is fixed, knob drives boost tube to rotate by gear drive.Internal gear is provided with the knob, travelling gear is provided between internal gear and boost tube gear, knob drives internal gear, drives boost tube to rotate after band nutating gear, boost tube gear successively, boost tube drives lasso to rotate by drag-line.The boost tube is externally provided with outer tube, and near-end outer tube wall is provided with the outer tube groove being adapted to travelling gear, and travelling gear is located at outer tube groove, and travelling gear is toward internal messing boost tube gear, toward external toothing internal gear.
Description
Technical field
The present invention relates to area of medical devices, particularly a kind of medical rotatable snare.
Background technology
Snare, is widely used in cutting and captures and reclaim polyp sample and foreign matter, product can be used in people or
In the celioscopy of animal, it is only necessary to can just be worked by a small opening, the excision of conventional gastrointestinal polyps,
It is exactly, by endoscopic forceps channel, first to entangle polyp with snare, tighten up, then by polypectomy, typically high-frequency electrical is used during cutting,
Polyp tissue is stripped out, then reclaimed the polyp tissue of excision with the string bag, can also use snare directly by polyp set
Firmly taken out of in vitro with scope.
In the snare course of work, snare can will very easily pass through endoscopic forceps channel, and current most products are
This point can be accomplished, snare, first close to polyp tissue, then stretches lasso when extracting target polyp tissue in pipeline
Out and open, then slowly entangle polyp, but can not be rotated, in some cases, it is more difficult to take out polyp.
The content of the invention
Goal of the invention：The technical problems to be solved by the invention be in view of the shortcomings of the prior art there is provided one kind it is medical can
Rotate snare.
In order to solve the above-mentioned technical problem, the invention provides the medical rotatable snare of one kind, including be sequentially connected
Knob is socketed with outside lasso, drag-line and boost tube, boost tube, knob drives boost tube to rotate.
In the present invention, including boost tube gear, the center for being arranged on boost tube gear that boost tube is fixed, knob passes through tooth
Wheel transmission drives boost tube rotation.
In the present invention, internal gear is provided with the knob, travelling gear, knob are provided between internal gear and boost tube gear
Internal gear is driven, drives boost tube to rotate after band nutating gear, boost tube gear successively, boost tube drives lasso by drag-line
Rotate.
In the present invention, the boost tube is externally provided with outer tube, and near-end outer tube wall is provided with the outer tube being adapted to travelling gear
Groove, travelling gear is located at outer tube groove, and travelling gear is toward internal messing ejector sleeve gear, toward external toothing internal gear.
In the present invention, the boost tube gear is externally provided with pinion stand, for boost tube gear position limiting.
In the present invention, the knob inner ring is provided with more than one groove, and internal gear outer ring is provided with more than one and groove
Projection on the projection of adaptation, internal gear is inserted into the groove on knob.
In the present invention, the boost tube near-end connects core bar, and core bar is externally provided with sliding block, and the sliding block is distally connected to transmission
Band, drag-line outer ring is provided with outer tube, and outer tube is connected to conveyer belt, and sliding block is mobile to distal end, and boost tube drives drag-line and lasso to remote
End movement, sliding block drives outer tube to move proximally to by conveyer belt simultaneously, discharges lasso trick.
In the present invention, electrodes base is provided with the sliding block, electrodes base is provided with the electrode contact and spring of electrical connection,
Lower spring end is electrically connected to boost tube.
In the present invention, the outer tube is provided with outer tube fixing pipe, and outer tube fixing pipe is connected to conveyer belt.
In the present invention, the boost tube is adapted to boost tube gear, and boost tube pinion rotation drives boost tube to rotate.
Beneficial effect：The present invention increases rotatable knob on handle, upon rotation of the knob, and knob drives drag-line to turn
Dynamic, drag-line drives lasso or other apparatuses to rotate together, and such lasso can just follow knob to rotate together, so as to reach regulation
The direction purpose of lasso, the design would be even more beneficial to user's operation, and the more user-friendly product is extracted and cut back
Receive foreign matter.
Brief description of the drawings
The present invention is done with reference to the accompanying drawings and detailed description and further illustrated, it is of the invention above-mentioned or
Otherwise advantage will become apparent.
Fig. 1 is example structure schematic diagram；
Fig. 2 is snare front view；
Fig. 3 is knob schematic internal view；
Fig. 4 is transmission belt schematic diagram；
Fig. 5 is Fig. 4 partial enlarged drawings；
Fig. 6 is electrode connecting portion point schematic diagram；
Fig. 7 is Fig. 6 partial enlarged drawings.
Embodiment
The present invention is elaborated below in conjunction with accompanying drawing.
Embodiment：
Such as Fig. 1-3, including, core bar 1, sliding block 2, knob 3, boost tube 4, taper knob 5, outer tube 6, lasso 7, internal gear 13,
Internal gear 13 is provided with travelling gear 14 and boost tube gear 15, knob, the outer ring of boost tube 4 is provided with boost tube gear 15, internal tooth
Travelling gear 14 is provided between wheel 13 and boost tube gear 15, knob drives internal gear 13, successively band nutating gear 14, boosting
Boost tube is driven to rotate after pipe gear 15, boost tube drives lasso 7 to rotate.
Boost tube is externally provided with outer tube 6, and near-end outer tube wall is provided with the outer tube groove 19 being adapted to travelling gear, driving cog
Wheel is located at outer tube groove, and travelling gear is toward internal messing ejector sleeve gear 15, toward external toothing internal gear 13.
Boost tube gear 15 is externally provided with pinion stand 20, for spacing to boost tube gear 15.
The inner ring of knob 3 be provided with more than one groove 21, the outer ring of internal gear 13 provided with more than one be adapted to groove it is convex
The projection risen on 22, internal gear 13 is inserted into the groove on knob 3.
Such as Fig. 4 and Fig. 5, including transmission belt fixed block 9, conveyer belt 10, outer tube fixing pipe 11 and drag-line 12, transmission belt is fixed
Conveyer belt is fixed on sliding block and outer tube by block 9 and outer tube fixing pipe 11, boost tube near-end connection core bar 1, and core bar is externally provided with
Sliding block 2, the sliding block is distally connected to conveyer belt, and drag-line 12 is provided with outer tube, and outer tube is connected to conveyer belt, and sliding block is moved to distal end
Dynamic, boost tube drives lasso mobile to distal end, and sliding block drives outer tube to move proximally to by conveyer belt simultaneously, discharges faster
Drag-line 12；
It is specifically that core bar is motionless such as Fig. 4, sliding block 2 downwards, drives boosting bar 4 downwards, sliding block drives conveyer belt simultaneously
Along counterclockwise movement, conveyer belt drives outer tube sleeve and outer tube to move upwardly together, so as to realize that a positive and a negative is moved so that reach
Increase the effect of move distance, i.e., the distance of final workpiece motion s is 2 times of slide block movement distance, accelerate release drag-line 12.
Such as Fig. 6 and Fig. 7, including electrode contact 16, spring 17 and electrodes base 18, sliding block is interior to be provided with electrodes base 18, electricity
Electrode contact 16 and spring 17 of the pole base 18 provided with electrical connection, the lower end of spring 17 is electrically connected to boost tube.
Embodiment：
After lasso 7 is made, then with drag-line 12 using connecting tube riveting or laser welding, drag-line uses multiply alloy-steel wire
Or sub-thread titanium-nickel wire is constituted, the material has very strong toughness and rigidity, workpiece can be driven to rotate.Drag-line passes through outer tube 6,
It is fixed up in near-end with boost tube 4, boost tube 4 with knob 3 on the same axis, fix in the vertical with knob 3 by boost tube 4
Together, moved together on longitudinal direction, the driving boost tube 4 of knob 3 rotates in the axial direction, comprising an internal gear 13 in knob, helps
A boost tube gear 15 is welded on ejector sleeve, gear material can be metal or Plastic material, and optionally, boost tube can be
It is circular or square or other are special-shaped, to ensure that gear can drive boost tube to rotate, boost tube gear 15 and interior
There is a travelling gear 14 between gear 13, main function is between filling up between interior boost tube gear 15 and internal gear 13
Gap, after assembling, turn knob, you can to drive boost tube to rotate drives workpiece rotation adjustment direction, facilitates hand therewith
Art is operated.
Knob is assemblied on sliding block, and knob can be moved forward and backward, due to helping around sliding block axial-rotation with sliding block
Ejector sleeve is synchronous with knob in the vertical, so sliding block is moved forward and backward, drives knob to move forward and backward, and knob is transported before and after driving boost tube
It is dynamic, reach release and reclaim the function of lasso.
There are a through hole, boost tube on electrode contact 16 equipped with connection high-frequency electrical on sliding block, the base 18 of electrode contact
Through through hole, there is a spring 17 to be pressed on boost tube inside electrode tip holder, by the pressure of spring, it is ensured that electrode and boosting
Electrically connected between pipe reliable.
There is a conveyer belt 10 in the distal end of handle, sliding block extends anteriorly out a part, and is connected with the outside of conveyer belt 10,
Outer tube, is fixed together by conveyer belt opposite side by outer tube fixing pipe 10 with conveyer belt, so, when sliding block is pushed,
Sliding block push boost tube workpiece is travelled forward while, sliding block simultaneously push transmission belt rotate, conveyer belt drive outer tube to
The opposite direction motion of sliding block, so, a positive and a negative makes the distance that apparatus stretches out add one than the distance of handle slide block movement
Times, i.e. the motion of handle promotes the motion amplification of workpiece to be 2 times, makes original long stroke need the apparatus of bimanualness to become
One-handed performance becomes possible to.
The boost tube of the present invention, can use six deformations, or other shape changeables, be not limited to cylinder.
Application method：
Ring product used in the handle of the present invention, by the pincers road of scope, reaches polyp tissue position, then by moving
Sliding block on fixed handle, lasso is opened, turning knob adjustment direction, is then extracted or grasping tissue, after tissue is packaged, slowly
Slow recession sliding block, lasso is slowly drawn in, can thus be entangled tissue, is then electrified to cut down polyp tissue.
The working portion that the present embodiment is provided is a kind of medical snare or stone extraction basket, and the foreign matter string bag etc. is needed
Want the medical equipment of long stroke and rotation.
The invention provides a kind of medical snare, the method and approach for implementing the technical scheme are a lot, above institute
State only is the preferred embodiment of the present invention, it is noted that for those skilled in the art, is not being departed from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the guarantor of the present invention
Protect scope.Each part being not known in the present embodiment can use prior art to be realized.
Claims (10)
1. a kind of medical rotatable snare, including lasso (7), drag-line (12) and the boost tube (4) being sequentially connected, its feature exist
In being socketed with knob (3) outside boost tube, knob (3), which is rotated, drives boost tube (4) to rotate.
2. the medical rotatable snare of one kind according to claim 1, it is characterised in that including boost tube gear (15),
The fixed center for being arranged on boost tube gear (15) of boost tube (4), knob (3) drives boost tube (4) to revolve by gear drive
Turn.
3. the medical rotatable snare of one kind according to claim 2, it is characterised in that internal gear is provided with the knob
(13) travelling gear (14), is provided between internal gear (13) and boost tube gear (15), knob drives internal gear (13), successively band
Nutating gear (14), boost tube gear (15) drive boost tube to rotate afterwards, and boost tube drives lasso (7) to turn by drag-line (12)
It is dynamic.
4. the medical rotatable snare of one kind according to claim 3, it is characterised in that the boost tube is externally provided with outer tube
(6), near-end outer tube wall is provided with the outer tube groove (19) being adapted to travelling gear, and travelling gear is located at outer tube groove, passes
Moving gear is toward internal messing ejector sleeve gear (15), toward external toothing internal gear (13).
5. the medical rotatable snare of one kind according to claim 3, it is characterised in that the boost tube gear (15) is outside
Provided with pinion stand (20), for spacing to boost tube gear (15).
6. the medical rotatable snare of one kind according to claim 3, it is characterised in that knob (3) inner ring is provided with
More than one groove (21), internal gear (13) outer ring is provided with the projection (22) that more than one is adapted to groove, internal gear (13)
On projection be inserted into the groove on knob (3).
7. the medical rotatable snare of one kind according to claim 1, it is characterised in that the boost tube near-end connects core
Bar (1), core bar is externally provided with sliding block (2), and the sliding block is distally connected to conveyer belt, and drag-line (12) outer ring is provided with outer tube, and outer tube connects
Conveyer belt is connected to, sliding block is mobile to distal end, and boost tube drives drag-line and lasso mobile to distal end, and sliding block passes through conveyer belt band simultaneously
Dynamic outer tube is moved proximally to, and quickening discharges drag-line.
8. the medical rotatable snare of one kind according to claim 7, it is characterised in that electrode bottom is provided with the sliding block
Seat (18), electrode contact (16) and spring (17) of the electrodes base (18) provided with electrical connection, spring (17) lower end is electrically connected to
Boost tube.
9. the medical rotatable snare of one kind according to claim 7, it is characterised in that the outer tube is solid provided with outer tube
Fixed tube (11), outer tube fixing pipe is connected to conveyer belt.
10. the medical rotatable snare of one kind according to claim 2, it is characterised in that the boost tube and boost tube
Gear (15) is adapted to, and boost tube gear (15), which is rotated, drives boost tube to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316688.8A CN106983539B (en) | 2017-05-08 | 2017-05-08 | Medical rotatable snare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710316688.8A CN106983539B (en) | 2017-05-08 | 2017-05-08 | Medical rotatable snare |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106983539A true CN106983539A (en) | 2017-07-28 |
| CN106983539B CN106983539B (en) | 2020-05-19 |
Family
ID=59418570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710316688.8A Active CN106983539B (en) | 2017-05-08 | 2017-05-08 | Medical rotatable snare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106983539B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742803A (en) * | 2018-07-04 | 2018-11-06 | 佛山市墨宸智能科技有限公司 | A kind of spiral mesh basket mondet forceps |
| CN110051391A (en) * | 2019-06-06 | 2019-07-26 | 南京微创医学科技股份有限公司 | A kind of endoscope operation instruments |
| CN110584749A (en) * | 2019-09-30 | 2019-12-20 | 南微医学科技股份有限公司 | Snare for tissue excision |
| CN112155632A (en) * | 2020-10-09 | 2021-01-01 | 常州安康医疗器械有限公司 | Combined titanium clamp device under endoscope |
| CN112704545A (en) * | 2021-01-15 | 2021-04-27 | 苏州法兰克曼医疗器械有限公司 | Polyp snare convenient to cut and take out |
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| US20050154254A1 (en) * | 1999-08-06 | 2005-07-14 | Smith Kevin W. | Polypectomy snare instrument |
| CN101066201A (en) * | 2006-05-04 | 2007-11-07 | 伊西康内外科公司 | Medical instrument handle and medical instrument having same |
| CN201481494U (en) * | 2009-08-27 | 2010-05-26 | 安瑞医疗器械(杭州)有限公司 | Rotary snare |
| EP2668917A2 (en) * | 2011-01-25 | 2013-12-04 | Taewoong Medical Co., Ltd. | Medical snare |
| CN103767764A (en) * | 2014-01-08 | 2014-05-07 | 温州冠美医疗科技有限公司 | Suture and cutting differential gear of prepuce loop cutting suturing device |
| CN204351925U (en) * | 2014-12-24 | 2015-05-27 | 江苏安特尔医疗科技有限公司 | Medical snare |
| CN105377160A (en) * | 2013-07-11 | 2016-03-02 | 科瑞欧医疗有限公司 | Electrosurgical snare |
| WO2016059210A1 (en) * | 2014-10-16 | 2016-04-21 | Creo Medical Limited | Surgical snare |
| CN105559878A (en) * | 2016-01-13 | 2016-05-11 | 诸暨市鹏天医疗器械有限公司 | Rotatable and variable-speed electric snare handle |
| CN208259742U (en) * | 2017-05-08 | 2018-12-21 | 南京微创医学科技股份有限公司 | A kind of medical rotatable snare |
-
2017
- 2017-05-08 CN CN201710316688.8A patent/CN106983539B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154254A1 (en) * | 1999-08-06 | 2005-07-14 | Smith Kevin W. | Polypectomy snare instrument |
| CN101066201A (en) * | 2006-05-04 | 2007-11-07 | 伊西康内外科公司 | Medical instrument handle and medical instrument having same |
| CN201481494U (en) * | 2009-08-27 | 2010-05-26 | 安瑞医疗器械(杭州)有限公司 | Rotary snare |
| EP2668917A2 (en) * | 2011-01-25 | 2013-12-04 | Taewoong Medical Co., Ltd. | Medical snare |
| CN105377160A (en) * | 2013-07-11 | 2016-03-02 | 科瑞欧医疗有限公司 | Electrosurgical snare |
| CN103767764A (en) * | 2014-01-08 | 2014-05-07 | 温州冠美医疗科技有限公司 | Suture and cutting differential gear of prepuce loop cutting suturing device |
| WO2016059210A1 (en) * | 2014-10-16 | 2016-04-21 | Creo Medical Limited | Surgical snare |
| CN204351925U (en) * | 2014-12-24 | 2015-05-27 | 江苏安特尔医疗科技有限公司 | Medical snare |
| CN105559878A (en) * | 2016-01-13 | 2016-05-11 | 诸暨市鹏天医疗器械有限公司 | Rotatable and variable-speed electric snare handle |
| CN208259742U (en) * | 2017-05-08 | 2018-12-21 | 南京微创医学科技股份有限公司 | A kind of medical rotatable snare |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108742803A (en) * | 2018-07-04 | 2018-11-06 | 佛山市墨宸智能科技有限公司 | A kind of spiral mesh basket mondet forceps |
| CN110051391A (en) * | 2019-06-06 | 2019-07-26 | 南京微创医学科技股份有限公司 | A kind of endoscope operation instruments |
| CN110051391B (en) * | 2019-06-06 | 2024-03-26 | 南微医学科技股份有限公司 | Endoscopic surgical instrument |
| CN110584749A (en) * | 2019-09-30 | 2019-12-20 | 南微医学科技股份有限公司 | Snare for tissue excision |
| CN110584749B (en) * | 2019-09-30 | 2024-04-30 | 南微医学科技股份有限公司 | Snare for tissue resection |
| CN112155632A (en) * | 2020-10-09 | 2021-01-01 | 常州安康医疗器械有限公司 | Combined titanium clamp device under endoscope |
| CN112704545A (en) * | 2021-01-15 | 2021-04-27 | 苏州法兰克曼医疗器械有限公司 | Polyp snare convenient to cut and take out |
| CN112704545B (en) * | 2021-01-15 | 2022-02-08 | 苏州法兰克曼医疗器械有限公司 | Polyp snare convenient to cut and take out |
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|---|---|
| CN106983539B (en) | 2020-05-19 |
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Address after: 210061, No. 10, hi tech three road, Pukou hi tech Industrial Development Zone, Nanjing, Jiangsu Applicant after: Nanwei Medical Technology Co., Ltd Address before: 210061, No. 10, hi tech three road, Pukou hi tech Industrial Development Zone, Nanjing, Jiangsu Applicant before: Micro-Tech (Nanjing) Co., Ltd. |
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