CN105902299A - Improved duodenal papilla incision knife - Google Patents
Improved duodenal papilla incision knife Download PDFInfo
- Publication number
- CN105902299A CN105902299A CN201610360633.2A CN201610360633A CN105902299A CN 105902299 A CN105902299 A CN 105902299A CN 201610360633 A CN201610360633 A CN 201610360633A CN 105902299 A CN105902299 A CN 105902299A
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- China
- Prior art keywords
- tubular rubber
- head end
- rubber capsule
- cutter
- head
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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
-
- 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
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
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- 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)
- Orthopedic Medicine & Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Provided is an improved duodenal papilla incision knife. A thin and long air tube is embedded in the tube wall of a knife guide tube, and air is inflated from the tail end of the air pipe, is injected into a first tubular rubber bag from the head end of the air pipe and makes the first tubular rubber bag in an expanded state. An air hole is formed among a front guide block, a linkage strip and the knife guide pipe, air is inflated from the tail end of the air hole, is injected into a second tubular rubber bag from the head end of the air hole and makes the second tubular rubber bag in an expanded state, the second tubular rubber bag in the expanded state and the first tubular rubber bag in the expanded state can distract one section of the front and back sections of the duodenal papilla in a patient body, the space of the thin and long strip-shaped knife body in the rotating direction can be flexibly adjusted, and convenience is brought to a doctor to control rapid alignment between a sickle-shaped knife head and the 10-12 point positions of the duodenal papilla of the patient and smoothly cut duodenal papillary muscles. The improved duodenal papilla incision knife has the advantages of being novel in structure, flexible in operation, good in practicability and ideal in clinical effect.
Description
Technical field
The invention belongs to area of medical devices, relate to a kind of modified model sphincterotomy cutter.
Background technology
nullThe cutting operation of vater's papilla is applicable to the diseases such as choledocholithiasis must carry out the patient of vater's papilla flesh incision，This Minimally Invasive Surgery difficulty is the biggest，It needs to insert until the duodenal site of this patient the incision knife head end of elongate strip form through the biopsy duct of the scopes such as duodenoscope，Then the thin wire-diameter steel being built on incision knife of pulling back on tail end is being cut，The head end shape making incision knife forms crescent cutter head，Vater's papilla flesh can be cut by this crescent cutter head，The operation of the programs such as the biliary tract stone extraction being thus easy to next step，But there is the incision knife head end of elongate strip form in actual clinical practice and enter after in patient's vater's papilla and there will be the problem that direction is the most corresponding in this modus operandi，I.e. crescent cutter head can not a step put in place with regard to corresponding with vater's papilla bile duct stenosis direction，And the position that the optimum orientation of vater's papilla bile duct stenosis is 10 ~ 12，Doctor is so needed to be adjusted back and forth solving.
Summary of the invention
In order to solve the problems referred to above, the present invention provides a kind of modified model sphincterotomy cutter, the cutter head of its energy flexible sphincterotomy cutter rotates, the cutter head making incision knife can correspond on vater's papilla rapidly, it have novel structure, operate more flexible, practicality is higher, clinical effectiveness more preferably feature.
In order to achieve the above object, the present invention takes following concrete technical measures: a kind of modified model sphincterotomy cutter, it is characterized in that, leading cutter pipe is elongate strip form, lead cutter pipe and be provided with the chamber of hollow, this chamber is built-in with an elongated strip cutter hub, the head end of elongated strip cutter hub runs through from the front end of chamber, elongated strip cutter hub inside is embedding a finer wire, the head end of elongated strip cutter hub is provided with a handle bar, the head end of finer wire is fastenedly connected with the head end of handle bar after running through the head end of elongated strip cutter hub, the tail end of finer wire can be pulled back after being involved control, the finer wire head end pulled back can pull the head end of pull handle bar makes handle bar present bending, between handle bar and the finer wire front end of bending, combination forms crescent cutter head；
The lateral wall leading cutter tube head end is provided with bottleneck groove one, and the front end, lateral wall leading cutter pipe is provided with annular groove one；
First tubular rubber cuff is in the side wall perimeter leading cutter tube head end, the right-hand end of the first tubular rubber capsule is bound to the periphery of annular groove one by the first fine wire with canoe, and the left-hand end of the first tubular rubber capsule is bound to the periphery of bottleneck groove one by the second fine wire with canoe；
Lead that the tube wall of cutter pipe is embedding an elongated trachea, the head end of this trachea is through and go out from the lateral wall leading cutter tube head end, gas is squeezed into from the tail end of trachea and injects the first tubular rubber capsule from the head end of trachea and make the first tubular rubber capsule be in swelling state, is in the head end diameter of the first tubular rubber capsule of swelling state more than tail end diameter；
The right-hand end of linking strip and the head end leading cutter pipe are fastenedly connected, and the left-hand end of linking strip then tail end with leader block is fastenedly connected；
The lateral wall of leader block tail end is provided with bottleneck groove two, and the front end, lateral wall of leader block is provided with annular groove two；
Second tubular rubber cuff is in the side wall perimeter of leader block, the right-hand end of the second tubular rubber capsule is bound to the periphery of bottleneck groove two by the 3rd fine wire with canoe, and the left-hand end of the second tubular rubber capsule is bound to the periphery of annular groove two by the 4th fine wire with canoe；
Leader block, linking strip, lead and be provided with one pore between cutter pipe three, the tail end of this pore is arranged at the afterbody leading cutter pipe, the head end of this pore is communicated to the lateral wall of leader block, gas is squeezed into from the tail end of pore and injects the second tubular rubber capsule from the head end of pore and make the second tubular rubber capsule be in swelling state, is in the tail end diameter of the second tubular rubber capsule of swelling state more than head end diameter.
The present invention is inserted by the biopsy hole path of scope, the the second tubular rubber capsule being in swelling state two fragment position can strut the space of one section of energy flexible elongated strip cutter hub direction of rotation with the first tubular rubber capsule being in swelling state before and after vater's papilla in the patient, the position being thus conducive to the vater's papilla 10 ~ 12 that doctor controls crescent cutter head and patient carries out rapid-aligning and cuts vater's papilla flesh smoothly, thus the operation of beneficially next step programs such as biliary tract stone extraction.
The beneficial effects of the present invention is, it have novel structure, operate more flexible, practicality is higher, clinical effectiveness more preferably feature.
With embodiment, the present invention is illustrated further below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Local when Fig. 1 is that in the present invention, sacculus is in inflation state combines attachment structure and amplifies profile chart.
Detailed description of the invention
As shown in Figure 1, a kind of modified model sphincterotomy cutter, it is characterized in that, lead cutter pipe 1 in elongate strip form, lead cutter pipe 1 and be provided with the chamber 11 of hollow, this chamber is built-in with an elongated strip cutter hub 2, the head end of elongated strip cutter hub 2 runs through from the front end of chamber 11, elongated strip cutter hub 2 inside is embedding a finer wire 22, the head end of elongated strip cutter hub 2 is provided with a handle bar 21, the head end of finer wire 22 is fastenedly connected with the head end of handle bar 21 after running through the head end of elongated strip cutter hub 2, the tail end of finer wire 22 can be pulled back after being involved control, finer wire 22 head end pulled back can pull the head end of pull handle bar 21 makes handle bar 21 present bending, between handle bar 21 and finer wire 22 front end of bending, combination forms crescent cutter head；
The lateral wall leading cutter pipe 1 head end is provided with bottleneck groove one, and the front end, lateral wall leading cutter pipe 1 is provided with annular groove one；
First tubular rubber capsule A is placed on the side wall perimeter leading cutter pipe 1 head end, the right-hand end of the first tubular rubber capsule A is bound to the periphery of annular groove one by the first fine wire A1 with canoe, and the left-hand end of the first tubular rubber capsule A is bound to the periphery of bottleneck groove one by the second fine wire with canoe；
Lead that the tube wall of cutter pipe 1 is embedding an elongated trachea C, the head end of this trachea C is through and go out from the lateral wall leading cutter pipe 1 head end, gas is squeezed into from the tail end of trachea C and injects the first tubular rubber capsule A from the head end of trachea C and make the first tubular rubber capsule A be in swelling state, is in the head end diameter of the first tubular rubber capsule A of swelling state more than tail end diameter；
The right-hand end of linking strip 3 and the head end leading cutter pipe 1 are fastenedly connected, and the left-hand end of linking strip 3 then tail end with leader block 4 is fastenedly connected；
The lateral wall of leader block 4 tail end is provided with bottleneck groove two, and the front end, lateral wall of leader block 4 is provided with annular groove two；
Second tubular rubber capsule B is placed on the side wall perimeter of leader block 4, the right-hand end of the second tubular rubber capsule B is bound to the periphery of bottleneck groove two by the 3rd fine wire with canoe, and the left-hand end of the second tubular rubber capsule B is bound to the periphery of annular groove two by the 4th fine wire B1 with canoe；
Leader block 4, linking strip 3, lead and between cutter pipe 1 three, be provided with one pore D, the tail end of this pore D is arranged at the afterbody leading cutter pipe 1, the head end of this pore D is communicated to the lateral wall of leader block 4, gas is squeezed into from the tail end of pore D and injects the second tubular rubber capsule B from the head end of pore D and make the second tubular rubber capsule B be in swelling state, is in the tail end diameter of the second tubular rubber capsule B of swelling state more than head end diameter.
The the second tubular rubber capsule B being in swelling state and the first tubular rubber capsule A being in swelling state two fragment position can strut the space of one section of energy flexible elongated strip cutter hub 2 direction of rotation before and after vater's papilla in the patient.
Claims (2)
- null1. a modified model sphincterotomy cutter，It is characterized in that，Lead cutter pipe (1) in elongate strip form，Lead cutter pipe (1) and be provided with the chamber (11) of hollow，This chamber is built-in with an elongated strip cutter hub (2)，The head end of elongated strip cutter hub (2) runs through from the front end of chamber (11)，Elongated strip cutter hub (2) inside is embedding a finer wire (22)，The head end of elongated strip cutter hub (2) is provided with a handle bar (21)，The head end of finer wire (22) is fastenedly connected with the head end of handle bar (21) after running through the head end of elongated strip cutter hub (2)，The tail end of finer wire (22) can be pulled back after being involved control，Finer wire (22) head end pulled back can pull the head end of pull handle bar (21) makes handle bar (21) present bending，Between handle bar (21) and finer wire (22) front end of bending, combination forms crescent cutter head；The lateral wall leading cutter pipe (1) head end is provided with bottleneck groove one, and the front end, lateral wall leading cutter pipe (1) is provided with annular groove one；First tubular rubber capsule (A) is placed on the side wall perimeter leading cutter pipe (1) head end, the right-hand end of the first tubular rubber capsule (A) is bound to the periphery of annular groove one by the first fine wire (A1) with canoe, and the left-hand end of the first tubular rubber capsule (A) is bound to the periphery of bottleneck groove one by the second fine wire with canoe；Lead that the tube wall of cutter pipe (1) is embedding an elongated trachea (C), the head end of this trachea (C) is through and go out from the lateral wall leading cutter pipe (1) head end, gas is squeezed into from the tail end of trachea (C) and injects the first tubular rubber capsule (A) from the head end of trachea (C) and make the first tubular rubber capsule (A) be in swelling state, is in the head end diameter of the first tubular rubber capsule (A) of swelling state more than tail end diameter；The right-hand end of linking strip (3) and the head end leading cutter pipe (1) are fastenedly connected, and the left-hand end of linking strip (3) then tail end with leader block (4) is fastenedly connected；The lateral wall of leader block (4) tail end is provided with bottleneck groove two, and the front end, lateral wall of leader block (4) is provided with annular groove two；Second tubular rubber capsule (B) is placed on the side wall perimeter of leader block (4), the right-hand end of the second tubular rubber capsule (B) is bound to the periphery of bottleneck groove two by the 3rd fine wire with canoe, and the left-hand end of the second tubular rubber capsule (B) is bound to the periphery of annular groove two by the 4th fine wire (B1) with canoe；Leader block (4), linking strip (3), lead and between cutter pipe (1) three, be provided with one pore (D), the tail end of this pore (D) is arranged at the afterbody leading cutter pipe (1), the head end of this pore (D) is communicated to the lateral wall of leader block (4), gas is squeezed into from the tail end of pore (D) and injects the second tubular rubber capsule (B) from the head end of pore (D) and make the second tubular rubber capsule (B) be in swelling state, is in the tail end diameter of the second tubular rubber capsule (B) of swelling state more than head end diameter.
- A kind of modified model sphincterotomy cutter the most according to claim 1, it is characterized in that, the second tubular rubber capsule (B) being in swelling state two fragment position can strut the space of one section of energy flexible elongated strip cutter hub (2) direction of rotation with the first tubular rubber capsule (A) being in swelling state before and after vater's papilla in the patient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360633.2A CN105902299A (en) | 2016-05-28 | 2016-05-28 | Improved duodenal papilla incision knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610360633.2A CN105902299A (en) | 2016-05-28 | 2016-05-28 | Improved duodenal papilla incision knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105902299A true CN105902299A (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610360633.2A Pending CN105902299A (en) | 2016-05-28 | 2016-05-28 | Improved duodenal papilla incision knife |
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| Country | Link |
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| CN (1) | CN105902299A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859736A (en) * | 2017-02-23 | 2017-06-20 | 中南大学湘雅医院 | Rotatable duodenal papilla incision knife |
| CN107951549A (en) * | 2017-11-29 | 2018-04-24 | 惠州海卓科赛医疗有限公司 | Disposable people's flow tube |
| CN116058930A (en) * | 2023-03-06 | 2023-05-05 | 浙江首鼎医学科技有限公司 | Nipple incision knife based on incision density and incision advantage switching method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5152772A (en) * | 1991-07-10 | 1992-10-06 | Sewell Jr Frank | Sphincterotomy catheter and method |
| US20070032809A1 (en) * | 2001-01-18 | 2007-02-08 | Scimed Life Systems, Inc. | Steerable sphincterotome and methods for cannulation, papillotomy and sphincterotomy |
| US20110046549A1 (en) * | 2007-11-14 | 2011-02-24 | Medivur Ltd. | Endoluminal surgery catheter |
| US20120108897A1 (en) * | 2001-08-24 | 2012-05-03 | Adams Ronald D | Endoscopic Resection Devices and Related Methods of Use |
| CN202313610U (en) * | 2011-09-05 | 2012-07-11 | 王晓虹 | Duodenal papilla sphincter incision knife provided with air sac |
| CN202605006U (en) * | 2012-05-17 | 2012-12-19 | 杭州安杰思医学科技有限公司 | Incision knife for endoscope |
| US20130197554A1 (en) * | 2006-04-13 | 2013-08-01 | Cook Medical Technologies Llc | Apparatus and methods for endoscopic resection of tissue |
| CN104434269A (en) * | 2014-11-28 | 2015-03-25 | 姚俊 | Two-guide-wire papillotome |
| CN204839732U (en) * | 2015-07-08 | 2015-12-09 | 嘉兴市第二医院 | Open sword |
-
2016
- 2016-05-28 CN CN201610360633.2A patent/CN105902299A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5152772A (en) * | 1991-07-10 | 1992-10-06 | Sewell Jr Frank | Sphincterotomy catheter and method |
| US20070032809A1 (en) * | 2001-01-18 | 2007-02-08 | Scimed Life Systems, Inc. | Steerable sphincterotome and methods for cannulation, papillotomy and sphincterotomy |
| US20120108897A1 (en) * | 2001-08-24 | 2012-05-03 | Adams Ronald D | Endoscopic Resection Devices and Related Methods of Use |
| US20130197554A1 (en) * | 2006-04-13 | 2013-08-01 | Cook Medical Technologies Llc | Apparatus and methods for endoscopic resection of tissue |
| US20110046549A1 (en) * | 2007-11-14 | 2011-02-24 | Medivur Ltd. | Endoluminal surgery catheter |
| CN202313610U (en) * | 2011-09-05 | 2012-07-11 | 王晓虹 | Duodenal papilla sphincter incision knife provided with air sac |
| CN202605006U (en) * | 2012-05-17 | 2012-12-19 | 杭州安杰思医学科技有限公司 | Incision knife for endoscope |
| CN104434269A (en) * | 2014-11-28 | 2015-03-25 | 姚俊 | Two-guide-wire papillotome |
| CN204839732U (en) * | 2015-07-08 | 2015-12-09 | 嘉兴市第二医院 | Open sword |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106859736A (en) * | 2017-02-23 | 2017-06-20 | 中南大学湘雅医院 | Rotatable duodenal papilla incision knife |
| CN106859736B (en) * | 2017-02-23 | 2018-10-19 | 中南大学湘雅医院 | Rotatable duodenal papilla incision knife |
| CN107951549A (en) * | 2017-11-29 | 2018-04-24 | 惠州海卓科赛医疗有限公司 | Disposable people's flow tube |
| CN107951549B (en) * | 2017-11-29 | 2024-02-06 | 惠州海卓科赛医疗有限公司 | Disposable abortion pipe |
| CN116058930A (en) * | 2023-03-06 | 2023-05-05 | 浙江首鼎医学科技有限公司 | Nipple incision knife based on incision density and incision advantage switching method thereof |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
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| RJ01 | Rejection of invention patent application after publication |