CN106859736B - A kind of rotatable sphincterotomy knife - Google Patents
A kind of rotatable sphincterotomy knife Download PDFInfo
- Publication number
- CN106859736B CN106859736B CN201710099526.3A CN201710099526A CN106859736B CN 106859736 B CN106859736 B CN 106859736B CN 201710099526 A CN201710099526 A CN 201710099526A CN 106859736 B CN106859736 B CN 106859736B
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- CN
- China
- Prior art keywords
- outer tube
- knife
- sphincterotomy
- rotatable
- present
- 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.)
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Classifications
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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
- A61B17/3209—Incision instruments
- A61B17/3211—Surgical scalpels, knives; Accessories therefor
Abstract
The invention discloses a kind of rotatable sphincterotomy knife, including outer tube, outer tube handle and incision knife, the incision knife is located at the inside of outer tube, and one end of the outer tube is equipped with outer tube handle, and the outer tube and incision knife are gear shape.The rotatable sphincterotomy knife of the present invention increases the outer tube of a metal material outside original sphincterotomy knife, this outer tube has certain elasticity and toughness, the sphincterotomy knife in outer tube can be driven to be rotated when rotated, in this way the present invention carry out Duodenal papilla cannula or it is super select seal wire to enter gall-bladder or left and right side stones in intrahepatic bile duct when, it can accurately be rotated according to duct direction, to meet the requirement of surgical procedure, increase the success rate of surgical procedure.The present invention has the characteristics that easy to operate, success rate is high, is suitble to promote and apply.
Description
Technical field
The invention belongs to the field of medical instrument technology, are related to a kind of rotatable sphincterotomy knife.
Background technology
Nineteen sixty-eight Mecune etc. reports " Endoscopic retrograde cholangio-pancreatiography art in Annals of Surgery for the first time
(endoscopic retrograde cholangiopancreatography, ERCP) ", Kawai in 1973 etc. takes the lead in reporting
Sphincterotomy is carried out using pushing-type knife, Classen and Demling in 1974 successfully carries out nipple using pull-type arch knife and cuts
It opens, a series of this achievement indicates the birth for the treatment of ERCP technology.By continuing to develop, ERCP, which has become, melts diagnosing and treating
In the complete subject system of one.In the past 30 years, related new instrument and new technology continuously emerge, using ERCP as the scope of representative
Technology is that the minimally-invasive treatment of Bile-pancreatic diseases is laid a good foundation, in diseases such as choledocholithiasis, chronic pancreatitis, Pancreatic Psoudocysts
Treatment in instead of most of operative treatment, greatly improve success rate, reduce complication rate.Currently, 12
Duodenum 12 sphincterotomy knife is conventionally used for one of pancreas and biliary canulization tool, and moreover, duodenofiberscope includes
About it is narrow to have become treatment disease of biliary tract such as calculus of bile duct, bile duct for myotomy (endoscopic sphincterotomy, EST)
Narrow, the basis of the diseases such as cholangiocarcinoma, pancreas, either intubation or row EST, sphincterotomy knife is must in ERCP arts
One of indispensable tool.
In ERCP operating process, most important bile duct or pancreatic canula, although under normal circumstances, bile duct is open in 11 point sides
To ductus pancreaticus is open in 1 direction, but ductus pancreaticus and bile duct direction are ever-changing, therefore for certain patients, is needed in intubation micro-
The direction for adjusting sphincterotomy knife could increase successful intubation in this way, but the 12 of all company's productions refer at present
Intestines papillotome is made of plastic material, and quality is softer, before the dynamics of operating side can not be transferred to incision knife when rotation
End, so can not rotate, therefore sphincterotomy knife used at present just determines the side of cutter head when being inserted into scope
To can not rotate, result in can not adjusting extreme direction before duodenum incision knife in this way when pancreas, cystic duct cannula, so not at all
It is evitable to reduce successful intubation, especially for certain difficult type pancreases, cystic duct cannula.And carrying out duodenum breast
Head can not also carry out when cutting according to the direction of imagination, be increased by operative hemorrhage and the risk of perforation in this way.For certain spies
Different patient's such as Gallbladder disease, lesion patient needs after being intubated successfully by sphincterotomy in the liver of left or right side
Knife send seal wire to the position for having lesion such as gall-bladder, and left or right side stones in intrahepatic bile duct completes the expansions of other operations such as narrow positions
, take stone, place holder etc., but choledochus y direction with cystic duct and left and right side stones in intrahepatic bile duct y direction not same
One direction, it is angled, therefore when seal wire is sent into above-mentioned position, need before finely tuning sphincterotomy knife
Extreme direction could increase operation success rate, but due to the non-rotatable property of current sphincterotomy knife, carry out
There is larger difficulty when being operated with upper bit, success rate is low.
Invention content
In order to overcome defect existing in the prior art, the present invention to provide a kind of rotatable sphincterotomy knife,
Increase the outer tube of a metal material outside original sphincterotomy knife, this outer tube have certain elasticity with
Toughness can drive the sphincterotomy knife in outer tube to be rotated when rotated, carry out duodenum breast in this way
Head intubation or it is super can accurately be rotated according to duct direction when seal wire being selected to enter gall-bladder or left and right side stones in intrahepatic bile duct, from
And meet the requirement of surgical procedure, increase the success rate of surgical procedure.
Its technical solution is as follows：
A kind of rotatable sphincterotomy knife, including outer tube 1, outer tube handle 2 and incision knife 3, it is described to cut
3 inside for being located at outer tube 1 are operated on, one end of the outer tube 1 is equipped with outer tube handle 2, the outer tube 1 and incision knife 3
For gear shape.
Further, a diameter of 9F of the outer tube 1, length 100mm, thickness 1mm.
Further, a diameter of 15mm of the outer tube handle 2.
Further, the outer tube 1 is metal material.
Beneficial effects of the present invention：
The rotatable sphincterotomy knife of the present invention increases by one outside original sphincterotomy knife
The outer tube of metal material, this outer tube have certain elasticity and toughness, 12 in outer tube can be driven to refer to when rotated
Intestines papillotome is rotated, and in this way is carrying out Duodenal papilla cannula or surpassing that seal wire is selected to enter gall-bladder or left and right side liver
When interior bile duct, it can accurately be rotated according to duct direction, to meet the requirement of surgical procedure, increase surgical procedure
Success rate.The present invention has the characteristics that easy to operate, success rate is high, is suitble to promote and apply.
Description of the drawings
Fig. 1 is the structural schematic diagram of the outer tube of the rotatable sphincterotomy knife of the present invention, and wherein Fig. 1 a are interior
Cage structure, Fig. 1 b are rear tab portion, and Fig. 1 c are external structure；
Fig. 2 is the structural schematic diagram of the incision knife of the rotatable sphincterotomy knife of the present invention, and wherein Fig. 2 a are outer
Portion's structure chart, Fig. 2 b are cross-sectional view；
Fig. 3 is the structural schematic diagram of the outer tube handle of the rotatable sphincterotomy knife of the present invention.
Specific implementation mode
Technical scheme of the present invention is described in more detail with reference to the accompanying drawings and detailed description.
It-Fig. 3 referring to Fig.1, a kind of rotatable sphincterotomy knife, including outer tube 1, outer tube handle 2 and cuts
3 are operated on, the incision knife 3 is located at the inside of outer tube 1, and one end of the outer tube 1 is equipped with outer tube handle 2, the housing
Pipe 1 and incision knife 3 are gear shape.
A diameter of 9F of the outer tube 1, length 100mm, thickness 1mm.
A diameter of 15mm of the outer tube handle 2.
The outer tube 1 is metal material.
The rotatable sphincterotomy knife of the present invention, outside install the outer tube of a metal material, this housing additional
Pipe has certain metal toughness and elasticity, and sphincterotomy knife in it can be driven in rotary sleeve pipe together
Rotation.
The first step：Outer tube is designed, this outer tube requires certain elasticity and toughness, is made of metal material, mesh
The preceding duodenoscope used its biopsy channel diameter is 4.2mm, and general sphincterotomy knife its maximum gauge is about
7F (1F=0.033mm), therefore a diameter of 9F of outer tube that the present invention designs.If the housing pipe diameter of design is too small, 12
Duodenum 12 papillotome can be relatively difficult when being inserted into outer tube, is not easy to aftermentioned operation, and if housing pipe diameter is too big
Then sphincterotomy knife can be free to slide in outer tube, and can not drive cutting in it in rotating jacket pipe
It operates on and rotates together, be also unfavorable for operating in this way.Outer tube needs not move through biopsy duct and enters pancreas, biliary tract, therefore only needs
Outer tube is retained in the biopsy duct of duodenoscope, the length of 100mm.
Second step：The design of housing tube thickness：Outer tube is made of metal material, needs to be inserted into duodenum biopsy duct
And a degree of direction change is carried out with scope, therefore it is required that this metal has a degree of toughness and elasticity, have certainly
The dynamic function of restoring shape.In addition, outer tube needs to drive the incision knife in it to rotate together, therefore, outer tube needs have
Certain hardness, so, the characteristics such as elasticity, toughness, hardness that outer tube requires determine its thickness.It is too thick, Wu Fabao
Its elasticity and toughness are demonstrate,proved, is unfavorable for operating；It is too thin, then it can not ensure its hardness, be easy breakage, it is attached that the present invention uses for reference other scopes
Part is more suitable when housing tube thickness is 1mm by repetition test.
Third walks：The transformation of sphincterotomy knife, because outer tube is 9F, sphincterotomy knife is 7F,
Therebetween certain space is also had, the purpose in this reserved space, which is easy for incision knife, can be smoothed out outer tube, but this space
Also the shortcomings that movement and incision knife of the incision knife in outer tube cannot follow outer tube to rotate together is had, therefore, the present invention
Outer tube and incision knife are designed to gear shape, can be smoothly inserted into incision knife in this way by the principle for imitating gear rotation
Outer tube, and sliding of the incision knife in outer tube can be controlled, nor affect on the rotation that outer tube drives incision knife.For cutting
The front end of knife and handle portion are without change.
4th step, the design of outer tube handle, outer tube handle are made of metal material, shape not also too big or size,
Too conference influences surgical procedure, too small, rotating jacket pipe and the incision knife in it can not be driven to play rotation always.The present invention is set
The outer tube handle diameters about 15mm of meter, this size rotating jacket pipe and can influence surgical procedure.
5th step：Incision knife is placed in outer tube by concrete operations, is inserted into duodenum colonoscopy by biopsy duct, outside
Cannula is in duodenoscope, since, there are certain space, incision knife can be outside between outer tube and incision knife
Moved in casing, when need change incision knife before extreme direction when incision knife front end can be withdrawn, make its front end completely into
Row outer tube can accurately be adjusted incision knife direction by rotational handle, to increase ERCP intubation with liver in and courage
The success rate of capsule treatment.
The foregoing is only a preferred embodiment of the present invention, protection scope of the present invention is without being limited thereto, it is any ripe
Those skilled in the art are known in the technical scope of present disclosure, the letter for the technical solution that can be become apparent to
Altered or equivalence replacement are each fallen in protection scope of the present invention.
Claims (1)
1. a kind of rotatable sphincterotomy knife, it is characterised in that：Including outer tube (1), outer tube handle (2) and cut
It operates on (3), the incision knife (3) is located at the inside of outer tube (1), and one end of the outer tube (1) is equipped with outer tube handle
(2), the outer tube (1) and incision knife (3) are gear shape；
The a diameter of 9F, length 100mm, thickness 1mm of the outer tube (1)；
A diameter of 15mm of the outer tube handle (2)；
The outer tube (1) is metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099526.3A CN106859736B (en) | 2017-02-23 | 2017-02-23 | A kind of rotatable sphincterotomy knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710099526.3A CN106859736B (en) | 2017-02-23 | 2017-02-23 | A kind of rotatable sphincterotomy knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106859736A CN106859736A (en) | 2017-06-20 |
| CN106859736B true CN106859736B (en) | 2018-10-19 |
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ID=59168383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710099526.3A Expired - Fee Related CN106859736B (en) | 2017-02-23 | 2017-02-23 | A kind of rotatable sphincterotomy knife |
Country Status (1)
| Country | Link |
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| CN (1) | CN106859736B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113081180A (en) * | 2021-04-08 | 2021-07-09 | 张昊 | Duodenal papilla incision knife capable of synchronously and finely rotating knife head |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719924A (en) * | 1986-09-09 | 1988-01-19 | C. R. Bard, Inc. | Small diameter steerable guidewire with adjustable tip |
| US4886067A (en) * | 1989-01-03 | 1989-12-12 | C. R. Bard, Inc. | Steerable guidewire with soft adjustable tip |
| CN101919725A (en) * | 2010-08-03 | 2010-12-22 | 安瑞医疗器械(杭州)有限公司 | Medical equipment of micro-invasive interventional therapy for pancreaticobiliary duct |
| CN102869295A (en) * | 2010-05-21 | 2013-01-09 | 奥林巴斯医疗株式会社 | Endoscope with second bending section |
| CN104434269A (en) * | 2014-11-28 | 2015-03-25 | 姚俊 | Two-guide-wire papillotome |
| CN105722546A (en) * | 2013-09-12 | 2016-06-29 | 波士顿科学国际有限公司 | Medical device with a movable tip |
| CN105769297A (en) * | 2016-05-28 | 2016-07-20 | 黄永德 | Duodenal papilla incision knife |
| CN105902299A (en) * | 2016-05-28 | 2016-08-31 | 张国阳 | Improved duodenal papilla incision knife |
| CN105942964A (en) * | 2016-06-16 | 2016-09-21 | 刘时助 | Biliary tract exploration method and device based on superfine endoscope |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060074442A1 (en) * | 2000-04-06 | 2006-04-06 | Revascular Therapeutics, Inc. | Guidewire for crossing occlusions or stenoses |
| US8556924B2 (en) * | 2009-12-30 | 2013-10-15 | Chang Gung Medical Foundation, Linkou Branch | Natural orifice translumenal endoscopic surgery (NOTES) device |
| JP2012090949A (en) * | 2010-09-27 | 2012-05-17 | Terumo Corp | Guide wire for endoscope |
-
2017
- 2017-02-23 CN CN201710099526.3A patent/CN106859736B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4719924A (en) * | 1986-09-09 | 1988-01-19 | C. R. Bard, Inc. | Small diameter steerable guidewire with adjustable tip |
| US4886067A (en) * | 1989-01-03 | 1989-12-12 | C. R. Bard, Inc. | Steerable guidewire with soft adjustable tip |
| CN102869295A (en) * | 2010-05-21 | 2013-01-09 | 奥林巴斯医疗株式会社 | Endoscope with second bending section |
| CN101919725A (en) * | 2010-08-03 | 2010-12-22 | 安瑞医疗器械(杭州)有限公司 | Medical equipment of micro-invasive interventional therapy for pancreaticobiliary duct |
| CN105722546A (en) * | 2013-09-12 | 2016-06-29 | 波士顿科学国际有限公司 | Medical device with a movable tip |
| CN104434269A (en) * | 2014-11-28 | 2015-03-25 | 姚俊 | Two-guide-wire papillotome |
| CN105769297A (en) * | 2016-05-28 | 2016-07-20 | 黄永德 | Duodenal papilla incision knife |
| CN105902299A (en) * | 2016-05-28 | 2016-08-31 | 张国阳 | Improved duodenal papilla incision knife |
| CN105942964A (en) * | 2016-06-16 | 2016-09-21 | 刘时助 | Biliary tract exploration method and device based on superfine endoscope |
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| Publication number | Publication date |
|---|---|
| CN106859736A (en) | 2017-06-20 |
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