CN106073835A - Support of tunnel device under a kind of endoscopic mucosal - Google Patents
Support of tunnel device under a kind of endoscopic mucosal Download PDFInfo
- Publication number
- CN106073835A CN106073835A CN201610391526.6A CN201610391526A CN106073835A CN 106073835 A CN106073835 A CN 106073835A CN 201610391526 A CN201610391526 A CN 201610391526A CN 106073835 A CN106073835 A CN 106073835A
- Authority
- CN
- China
- Prior art keywords
- epitheca
- support
- device under
- push rod
- eyelid retractor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 241000463219 Epitheca Species 0.000 claims abstract description 63
- 210000000744 eyelid Anatomy 0.000 claims abstract description 41
- 210000003128 head Anatomy 0.000 claims abstract description 35
- 230000004888 barrier function Effects 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 13
- 239000004677 Nylon Substances 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- -1 polyethylene Polymers 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- 229950000845 politef Drugs 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 5
- 210000000436 anus Anatomy 0.000 description 3
- 230000002496 gastric effect Effects 0.000 description 3
- 210000004877 mucosa Anatomy 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 210000004876 tela submucosa Anatomy 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000005641 tunneling Effects 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
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
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
Support of tunnel device under a kind of endoscopic mucosal, it is characterised in that include head, skeleton, insulating barrier, afterbody, exhausting line, push rod, epitheca, epitheca handle, push pipe handle；Described head, skeleton, insulating barrier, afterbody constitute eyelid retractor body；Described exhausting line passes in by caudal skeleton silk gap；Described push rod, epitheca, epitheca handle, push pipe handle composition carrier；Described push rod is positioned at epitheca can be along axial-movement；Described eyelid retractor body is held in epitheca by pressure in advance, discharges the rear support completely out epitheca of device body, and eyelid retractor body returns back to original space multistory geometry；Described eyelid retractor body can be dragged tractive exhausting line by hook and withdraw from.Under endoscopic mucosal in decollement, when tunnel wall is cut, tunnel can effectively be supported by eyelid retractor, reduces the generation of the complication such as perforation, muscularis propria damage, improves excision efficiency.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, especially for the support of tunnel device peeled off under endoscopic mucosal.
Background technology
Under endoscopic mucosal, lift-off technology is by Gastrointestinal endoscope complete resection gastrointestinal, the important technology of esophagus early carcinomatous change.Its
Technology ultimate principle is under Gastrointestinal Endoscopes guides, and injects liquid by entry needle in tela submucosa, makes mucosa and muscle layer separately, then
Progressively separate tela submucosa by multiple electric knife, make the mucosa on surface completely strip from muscle layer.Tunneling technique is to peel off
Technology conventional in art.Its method is to set up tunnel face respectively in the anus side of pathological changes and mouth side, then from mouth lateral anus side electric knife
Progressively separating tela submucosa, and last and anus side opening is formed through tunnel, phased separation excises the tunnel wall of both sides the most again.
The difficult point of this technology is that tunnel wall is subsided because of excision when the tunnel wall of last excision both sides；Simultaneously because of the table on top, tunnel
Layer mucosa shrinks, and increases the weight of subsiding of tunnel, causes surgical field of view limited and affect excision efficiency, and some patients even results in muscle layer
Damage and the complication such as perforation occur.
Summary of the invention
It is desirable to provide a kind of support of tunnel device peeled off under endoscopic mucosal.Decollement under endoscopic mucosal
In, when tunnel wall is cut, tunnel can effectively be supported by eyelid retractor, reduces perforation, muscularis propria damage etc. concurrent
The generation of disease, improves excision efficiency.
To achieve these goals, the technical solution adopted in the present invention is:
Support of tunnel device under a kind of endoscopic mucosal, by head, skeleton, insulating barrier, afterbody, exhausting line, push rod, epitheca, epitheca hands
The part composition such as handle, push pipe handle.Wherein, head, skeleton, insulating barrier, afterbody constitute eyelid retractor body, eyelid retractor body profile
There is the solid geometry body of inner hollow form for spheroidal or cylindric or diamond shaped etc..Several thread skeletons are from head
Send to afterbody and terminate, and arrange radially press certain angle.Insulating barrier is coated on outside skeleton.Exhausting line is thread, is leaning on
Caudal skeleton silk gap passes, and head and the tail connect formation one closed-loop structure.Push rod, epitheca, epitheca handle, push pipe handle
Composition carrier.Wherein push rod is connected with push rod handle, and epitheca is connected with epitheca handle.Push rod is positioned at epitheca, push rod handle
Drive push rod so that push rod in epitheca along axial-movement.
Eyelid retractor body is held in epitheca by pressure in advance, and partial head exposes epitheca, afterbody and push rod end contact, reclaims
Line is accommodated in epitheca the most simultaneously.After release, the completely out epitheca of eyelid retractor body, eyelid retractor body launches, returns back to original
Space multistory geometric shape.
Eyelid retractor body, after hours, uses the assistive device such as nipper, hook, drags tractive exhausting line by hook, will
Eyelid retractor body is withdrawn from.
Described insulating layer material is that one or more in politef, polyethylene, nylon, pottery are combined.Performed the operation
Needing in journey to use various types of electric knife, electric knife inevitably contacts with skeleton.Insulant it is coated with on skeleton, permissible
Prevent tissue by accidental shock.Operation process electric knife can produce certain heat simultaneously, and the existence of insulating barrier can also be avoided
Heat is delivered to tissue by skeleton, tissue thus the risk burnt.
Described skeleton quantity is 3,4,5,6.Skeleton quantity is the most, and support strength is the strongest, but operative space is the most aobvious simultaneously
Not enough.So that set rational skeleton quantity.
Described framework material is that one or more in Nitinol, rustless steel, cobalt-base alloys are combined, and form is single
Silk, or homogenous material multiply braided wires, or composite multiply braided wires.Skeleton needs to ensure certain support strength, simultaneously
Need possess shape memory and recovery function.
Described exhausting line by head and the tail section tie a knot hot melt or glued joint connect into closed loop shape, material be polyethylene or
Nylon or cotton or real silk or the monofilament of politef material or multiply braided wires.Exhausting line is thread, with propping up before using
Support device body is incorporated in carrier, discharges carrier with eyelid retractor body in operation process.After operation terminates, permissible
Use the assistive device such as nipper, hook to catch on exhausting line, eyelid retractor body is extracted.Thus exhausting line is the wire of closed-loop structure
Thing, made of soft, simultaneously need to possess some strength.
Described skeleton and head and afterbody connected mode be weld, rivet, crimp, glued joint in one.Head and afterbody
Being the two ends junction point of several thread skeleton, it is desirable to it is firm that each several part connects, method of attachment is easy.
Described push rod cross sectional shape be cylinder, annular, petal, petal tubular in one；When cross sectional shape is
Petal or time petal is tubular, petal quantity is 2-8.Push rod material is politef or nylon or polyethylene or not
The monofilament of rust steel matter or multiply braided wires.Push pipe is positioned in epitheca, and diameter is less；Simultaneously need to possess certain rigidity, can
Eyelid retractor body is released epitheca.
Described head exposes sheath portion and has ball head profile or cylindrical head profile with rounded corners.Head is
Big external diameter is 0-1mm with epitheca external diameter difference.Head portion is positioned at epitheca, part is positioned at outside epitheca.Head maximum outside diameter and
Epitheca external diameter is consistent or slightly greater than it, it is ensured that after entering human body, epitheca edge will not highlight formation sharp edge scratch tissue.Enter
When entering human body, for avoiding tissue to be scraped off, and for increasing steering capability, be positioned at apparatus front portion exposes head, also needs to be designed as
Cylindrical outer shape spherical or with rounded corners.
Described sheath materials is the one in politef, nylon, polyethylene.Sheath materials requirement surface lubrication,
Hot strength, bend resistance, non-deformability are good, require possess good biocompatibility simultaneously.
The invention has the beneficial effects as follows: the present invention is under endoscopic mucosal in decollement, when tunnel wall is cut, eyelid retractor
Tunnel effectively can be supported, reduce the generation of the complication such as perforation, muscularis propria damage, improve excision efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is population structure schematic diagram.
Fig. 2 is eyelid retractor body construction schematic diagram.
Fig. 3 is conveyer construction schematic diagram.
Fig. 4 is that eyelid retractor body is compressed the schematic diagram being filled in advance in carrier.
Fig. 5 is that eyelid retractor body is compressed head and epitheca position partial enlarged drawing when being filled in carrier in advance.
Fig. 6 is the schematic diagram of the completely out epitheca of eyelid retractor body.
Fig. 7 is skeleton quantity radial view when being 3 and 4.
Fig. 8 is push pipe cross sectional shape schematic diagram.
In figure: 1. head, 2. skeleton, 3. insulating barrier, 4. afterbody, 5. exhausting line, 6. push rod, 7. epitheca, 8. epitheca handle,
9. push rod handle, 10. eyelid retractor body.
Detailed description of the invention
Referring now to accompanying drawing, the invention will be further described.
As shown in figures 1 to 6, support of tunnel device under a kind of endoscopic mucosal, by head 1, skeleton 2, insulating barrier 3, afterbody 4, reclaims
The part composition such as line 5, push rod 6, epitheca 7, epitheca handle 8, push pipe handle 9.Wherein, head 1, skeleton 2, insulating barrier 3, afterbody 4
Constituting eyelid retractor body 10, eyelid retractor body 10 profile is that spheroidal or cylindric or diamond shaped etc. have inner hollow shape
The solid geometry body of state.Several thread skeletons 2 send to afterbody 4 from head 1 and terminate, and arrange radially press certain angle.Absolutely
Edge layer 3 is coated on outside skeleton 2.Exhausting line 5 is thread, is passing in 2 gaps of skeleton of afterbody 4, and by head and the tail
The mode of section knotting or hot melt or splicing forms a closed-loop structure.Push rod 6, epitheca 7, epitheca handle 8, push pipe handle 9 form
Carrier, wherein push rod 6 is connected with push rod handle 9, and epitheca 7 is connected with epitheca handle 8.Push rod 6 is positioned at epitheca 7, push rod hands
Handle 9 drives push rod 6 so that push rod 6 in epitheca 7 along axial-movement.
Eyelid retractor body 10 is held in epitheca 7 by pressure in advance, and head 1 part exposes epitheca 7, and afterbody 4 connects with push rod 6 end face
Touching, exhausting line 5 is accommodated in epitheca 7 the most simultaneously.Delivery mode has two kinds.One is that fixed mandril handle 9 is motionless, epitheca hands of dropping back
Handle 8 is until the completely out epitheca of eyelid retractor body 10 7；Two is that fixing epitheca handle 8 is motionless, promotes push rod handle 9 forward, until
The completely out epitheca of eyelid retractor body 10.After release, eyelid retractor body 10 is opened, and returns back to original space multistory geometric form
State.
As it is shown in figure 5, when eyelid retractor body 10 is compressed into carrier, head 1 part is positioned at outside epitheca 7, and head
Portion 1 largest portion external diameter and epitheca 7 external diameter difference are at 0-1mm.Head 1 exposed parts is shaped as cylinder spherical or with rounded corners
Shape.
As it is shown in fig. 7, skeleton 2 quantity is radial direction schematic diagram when 3 and 4.Thread skeleton is in radial directions by one
Determine angular displacement.
As shown in Figure 8, for the cross sectional shape of push rod 6.Push rod 6 cross sectional shape is cylinder, annular, petal, petal
One in tubular；When cross sectional shape is petal or petal is tubular, petal quantity is 2-8.
Before using, eyelid retractor body 10 is held to carrier epitheca 7 by pressure in advance, and head 1 part exposes epitheca 7, afterbody 4
With push rod 6 end contact, exhausting line 5 synchronizes to include in epitheca 7.The carrier being preinstalled with eyelid retractor body 10 passes through endoscopic forceps channel
Enter target site.Carrier head end inserts tunnel opening appropriate location, discharges eyelid retractor body 10, until outside it is completely out
Sheath 7, exhausting line 5 is also taken out of by synchronization.Eyelid retractor body 10 is launched by compressive state, recovers to original space multistory geometric form
Shape, is supported tunnel.Hereafter carrier entirety is withdrawn from, and doctor will carry out follow-up operation technique.
After operation technique completes, use the assistive device such as nipper or hook, directly catch on exhausting line 5, by eyelid retractor body
10 pull out human body.Taking-up process can regard practical situation, uses or inapplicable scope.
Present configuration is simple and convenient to operate.Under endoscopic mucosal in decollement, when tunnel wall is cut, eyelid retractor
Tunnel effectively can be supported, reduce the generation of the complication such as perforation, muscularis propria damage, improve excision efficiency.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (14)
1. support of tunnel device under an endoscopic mucosal, it is characterised in that include head, skeleton, insulating barrier, afterbody, exhausting line, top
Bar, epitheca, epitheca handle, push pipe handle, described head, skeleton, insulating barrier, afterbody constitute spheroidal or cylindric or brill
The eyelid retractor body with space multistory geometry of stone shape, several thread skeletons send to afterbody from head and terminate and in footpath
To angularly arranging, insulating barrier is coated on outside skeleton, and described wire exhausting line passes in by caudal skeleton silk gap, institute
Stating push rod, epitheca, epitheca handle, push pipe handle composition carrier, described push rod is connected with push rod handle, described epitheca and epitheca
Handle connects, and described push rod is positioned at epitheca can be along axial-movement；Described eyelid retractor body is held in epitheca by pressure in advance, portion
Portion is positioned at outside epitheca separately, and afterbody and push rod end contact, exhausting line is positioned at epitheca simultaneously；After release, eyelid retractor body takes off
Going out epitheca, eyelid retractor body returns back to original space multistory geometry；Described eyelid retractor body, after hours, passes through
Tractive exhausting line dragged by hook, is withdrawn from by eyelid retractor body.
2. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described insulating layer material is poly-
One or more in tetrafluoroethene, polyethylene, nylon, pottery are combined.
3. support of tunnel device under endoscopic mucosal as claimed in claim 1 a kind of, it is characterised in that described skeleton quantity is 3,4,
5,6.
4. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described framework material is NiTi
One or more in alloy, rustless steel, cobalt-base alloys are combined.
5. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described skeleton is monofilament, or
Homogenous material multiply braided wires, or composite multiply braided wires.
6. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described exhausting line is by head and the tail
Section knotting or hot melt or splicing connect into closed loop shape.
7. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described exhausting line is poly-second
Alkene or nylon or cotton or real silk or the monofilament of politef material or multiply braided wires.
8. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described skeleton and head and tail
Portion's connected mode be weld, rivet, crimp, glued joint in one.
9. support of tunnel device under a kind of endoscopic mucosal as claimed in claim 1, it is characterised in that described push rod cross sectional shape is
One during cylinder, annular, petal, petal are tubular.
10. push rod as claimed in claim 9, it is characterised in that when described cross section is petal or petal is tubular, petal quantity
For 2-8.
Support of tunnel device under 11. a kind of endoscopic mucosals as claimed in claim 1, it is characterised in that described push rod is polytetrafluoro
Ethylene or nylon or polyethylene or the monofilament of stainless steel or multiply braided wires.
Support of tunnel device under 12. a kind of endoscopic mucosals as claimed in claim 1, it is characterised in that outside the maximum of described head
Footpath and epitheca external diameter difference are 0-1mm.
Support of tunnel device under 13. a kind of endoscopic mucosals as claimed in claim 1, it is characterised in that described head exposes epitheca
Part has ball head or cylindrical head with rounded corners.
Support of tunnel device under 14. a kind of endoscopic mucosals as claimed in claim 1, it is characterised in that described sheath materials is poly-
One in tetrafluoroethene, nylon, polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391526.6A CN106073835B (en) | 2016-06-06 | 2016-06-06 | Support of tunnel device under a kind of endoscopic mucosal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391526.6A CN106073835B (en) | 2016-06-06 | 2016-06-06 | Support of tunnel device under a kind of endoscopic mucosal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106073835A true CN106073835A (en) | 2016-11-09 |
| CN106073835B CN106073835B (en) | 2019-05-07 |
Family
ID=57448172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610391526.6A Active CN106073835B (en) | 2016-06-06 | 2016-06-06 | Support of tunnel device under a kind of endoscopic mucosal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106073835B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974355A (en) * | 2019-12-12 | 2020-04-10 | 郑由周 | ESD surgical tool |
| CN114081615A (en) * | 2020-10-21 | 2022-02-25 | 常州乐奥医疗科技股份有限公司 | Novel medical electrotome and tool bit assembly thereof |
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| CN1572258A (en) * | 2003-05-23 | 2005-02-02 | 泷本行延 | Therapeutic device for EMR and EMR apparatus |
| CN102038564A (en) * | 2009-10-14 | 2011-05-04 | 周星 | Supporting frame capable of being taken out |
| US20140142393A1 (en) * | 2009-12-16 | 2014-05-22 | Macroplata, Inc. | Multi-lumen-catheter retractor system for a minimally-invasive, operative gastrointestinal treatment |
| CN104490430A (en) * | 2015-01-05 | 2015-04-08 | 四川大学华西医院 | Tunnel support device for endoscopic submucosal dissection |
| CN204766053U (en) * | 2015-04-27 | 2015-11-18 | 浦易（上海）生物技术有限公司 | Nasal sinus support and conveying system |
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|---|---|---|---|---|
| CN1572258A (en) * | 2003-05-23 | 2005-02-02 | 泷本行延 | Therapeutic device for EMR and EMR apparatus |
| CN2640421Y (en) * | 2003-09-23 | 2004-09-15 | 北京有色金属研究总院 | Supporting reclaimable inferior caval vein filter |
| CN102038564A (en) * | 2009-10-14 | 2011-05-04 | 周星 | Supporting frame capable of being taken out |
| US20140142393A1 (en) * | 2009-12-16 | 2014-05-22 | Macroplata, Inc. | Multi-lumen-catheter retractor system for a minimally-invasive, operative gastrointestinal treatment |
| CN104490430A (en) * | 2015-01-05 | 2015-04-08 | 四川大学华西医院 | Tunnel support device for endoscopic submucosal dissection |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110974355A (en) * | 2019-12-12 | 2020-04-10 | 郑由周 | ESD surgical tool |
| CN114081615A (en) * | 2020-10-21 | 2022-02-25 | 常州乐奥医疗科技股份有限公司 | Novel medical electrotome and tool bit assembly thereof |
| CN114081615B (en) * | 2020-10-21 | 2022-08-05 | 常州乐奥医疗科技股份有限公司 | Novel medical electrotome and tool bit assembly thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106073835B (en) | 2019-05-07 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 10, No. 23 Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province, 213022 Patentee after: LEO MEDICAL CO.,LTD. Country or region after: China Address before: 213022 floor 2, building 10, No. 18, Huashan Middle Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: LEO MEDICAL CO.,LTD. Country or region before: China |