CN102166142A - Conveyor of duodenum-jejunum embedded casing - Google Patents

Conveyor of duodenum-jejunum embedded casing Download PDF

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Publication number
CN102166142A
CN102166142A CN2011100863483A CN201110086348A CN102166142A CN 102166142 A CN102166142 A CN 102166142A CN 2011100863483 A CN2011100863483 A CN 2011100863483A CN 201110086348 A CN201110086348 A CN 201110086348A CN 102166142 A CN102166142 A CN 102166142A
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CN
China
Prior art keywords
pipe
axle center
carrier
duodeno
built
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.)
Pending
Application number
CN2011100863483A
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Chinese (zh)
Inventor
沈龙
邱芹
吴春生
尹晓宇
包娟娟
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BEIJING CHANG XIANG TIAN XING MEDICAL TECHNOLOGY CO LTD
Original Assignee
BEIJING CHANG XIANG TIAN XING MEDICAL TECHNOLOGY CO LTD
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Publication date
Application filed by BEIJING CHANG XIANG TIAN XING MEDICAL TECHNOLOGY CO LTD filed Critical BEIJING CHANG XIANG TIAN XING MEDICAL TECHNOLOGY CO LTD
Priority to CN2011100863483A priority Critical patent/CN102166142A/en
Publication of CN102166142A publication Critical patent/CN102166142A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a design of a conveyor for conveying a duodenum-jejunum embedded casing. The conveyor comprises an axial tube which is longitudinally penetrated from front to back and a guide head, an outer sheath tube, a front handle and a back handle, wherein the guide head, the outer sheath tube, the front handle and the back handle are placed from front to back. Relative sliding of the outer sheath tube and the axial tube is controlled by using the front handle which is provided with a liquid injection port; and the axial tube and a stay wire are fixed by using the back handle. An opening at the front end of a lateral tube cavity of the axial tube is positioned behind the guide head, and the stay wire penetrates into and runs through the axial tube from the opening. In the invention, functions of two conveying modes, such as a pushing mode and a line binding mode, are combined, wherein the pushing function is applicable to releasing an elastic support part of an intestinal casing while the line binding function is applicable to releasing a soft oversleeve part of the intestinal casing.

Description

The built-in sleeve pipe carrier of Duodeno-jejunum
Technical field
The present invention relates to a kind of body implant is delivered to the utensil at purpose position, in particular for carrying the built-in telescopic carrier of Duodeno-jejunum.
Background technology
In the fat multiple means of treatment, interventional therapy is than medicine or the safer and more effective approach of lipposuction.So-called interventional therapy is that metal rack is placed in the intestinal, influences digesting and assimilating of food, reaches the fat-reducing purpose.The existing utensil that the intestinal support is transported to intestinal tube has multiple, comprises the propelling movement type carrier and the wiring formula carrier that are used for self-expandable stent, also is useful on the sacculus formula carrier of non-self-expandable stent etc.Wherein, the propelling movement type carrier is when discharging support, and the axle center pipe is fixing, recession epitheca pipe, and the metal rack that is compressed between epitheca pipe and the axle center pipe is overflowed and the flare up tubulose.This kind carrier is easy and simple to handle, and the support placement positioning is accurate.But because of support when installing fully, be subjected to axial compressive force, make it can't carry the support that when axial compression, can be out of shape.Wiring formula carrier is earlier support to be fixed on the pipe outside, axle center with the backguy binding, removes constraint to support by extracting backguy during release, and support is overflowed and the flare up tubulose.Wiring formula carrier does not have the axial compression support in operating process, be suitable for carrying the support of easy deformation under axial compressive force.But this carrier operation is complicated, and backguy affects support to cause its location that departs from objectives when extracting out easily.
A class that comprises the applicant's patent application formerly " the built-in sleeve pipe of 201020642687.6 Duodeno-jejunums " is the enteral implanting device of fat-reducing purpose design, its structure has comprised traditional elastic metal self-expandable stent (containing fixed claw), also comprise flexible material soft oversleeve that make, that be connected with metal rack, be known as the built-in sleeve pipe of Duodeno-jejunum.This built-in telescopic metal rack part and soft oversleeve part quality, volume difference are very big, send into intestinal in the existing any intestinal bracket conveyer of can not packing into.Therefore, need a kind of dedicated transport utensil.
Summary of the invention
The utensil that the object of the present invention is to provide the built-in sleeve pipe of a kind of Duodeno-jejunum to discharge, be applicable to the sleeve pipe that constitutes by elasticity self-expandable stent and external soft oversleeve two parts, can easily sleeve pipe be transported to appointed part, and accurately discharge at target site.
The built-in sleeve pipe carrier of Duodeno-jejunum of the present invention comprises that manage in the axle center before and after axially vertical the wearing and by the preceding guide head of then arranging, epitheca pipe, front handlebar, back handle, backguy penetrates the through carrier rear end of axle center pipe from the guide head rear end.
Wherein, the axle center pipe is double lumen tube, and the axle center part tube chamber holds seal wire walks, and the other tube chamber of side holds backguy and walks.The other tube chamber front opening of side is after guide head, and backguy penetrates and run through the other tube chamber of side of axle center pipe from opening part.
Guide head is taper, fusiformis or spindle body, is socketed in axle center pipe front end, is axially arranged with through hole.The internal diameter self-consistentency of guide head through hole or become big from front to back gradually.Wherein, the part that the guide head internal diameter is bigger is used for socket axle center pipe, and the internal diameter smaller portions are used for the walking of the seal wire that passes from the axle center pipe.Guide head arrives assigned address by the traction guiding carrier of the seal wire that passes through hole.
The epitheca pipe is the outer layer protection shell of the built-in sleeve pipe carrier of Duodeno-jejunum of the present invention body.Epitheca pipe front end and guide head rear end are provided with at interval when the intestinal sleeve pipe is installed, and spacing distance is the 1/2-5/6 of the intestinal casing length of plan device, fixedly connected with front handlebar in epitheca pipe rear end.
Front handlebar is the device that relative slip is managed in control epitheca pipe and axle center.Front handlebar is provided with the injection port that injects liquid in the telescopic oversleeve of intestinal, and injection port leads to the interlayer between epitheca pipe and the axle center pipe.Unfold with the impulsive force of liquid during application and dredge the telescopic soft oversleeve of intestinal.
The carrier afterbody is provided with the back handle, and back handle is fixedlyed connected with the axle center pipe, is used for the Control Shaft core barrel.
As optimization, the ring that develops is set after the carrier guide head.The ring that develops is an annular or short tube body, selects material visual under radioscopy for use, and ring set is on the pipe of axle center.The ring front end that develops is connected mutually with the guide head rear end.After the intestinal sleeve pipe was put into carrier in advance, the position of the ring that develops was equivalent to the terminal position, place of intestinal sleeve pipe oversleeve part, when discharging the operation of intestinal sleeve pipe, in order to show the position of sleeve pipe afterbody under radioscopy.
As optimization, epitheca pipe leading portion internal diameter enlarges, and arranges the telescopic holder part of intestinal at internal diameter enlarged intracavity.For preventing that the fixed claw on the intestinal casing support from thrusting the epitheca tube wall, install scratch resistant layer additional at epitheca pipe leading portion internal diameter enlarged inwall.Described scratch resistant layer is to adopt the tubular structure of the harder material of quality, is attached at epitheca pipe leading portion inwall.
As optimization, between epitheca pipe front end and axle center pipe, sealer is set.Sealer is taper, fusiformis or spindle pipe, and front end sleeve is connected to the axle center pipe, and the rear end is connected with epitheca pipe front end.Sealer selects for use flexible material to make, and itself slyness becomes the transition structure between epitheca pipe front end and the axle center pipe, in order to prevent epitheca pipe scratch human organ when pushing carrier in the body cavity.
As optimization, at carrier epitheca pipe leading portion intracavity the push and block ring is set, be socketed on the pipe of axle center.The push and block ring adopts material visual under radioscopy, and its function has two: one, and the built-in sleeve pipe of Duodeno-jejunum is played fixation, and the 2nd, the position of the intestinal sleeve pipe front end that is used to develop.
As optimization, the front handlebar rear end is provided with tight loop and holding screw, in order to relative fixed or the relative slip of control epitheca pipe with the axle center pipe.
As optimization, back handle one side is provided with trip bolt, and trip bolt is used for fixing the backguy that passes in the pipe of axle center.To prevent the twitching maloperation that backguy discharges oversleeve in advance accidentally.
All parts of making carrier of the present invention all use nontoxic material.
Using the built-in sleeve pipe carrier of Duodeno-jejunum of the present invention carries the telescopic process of installation intestinal as follows:
The intestinal sleeve pipe is pre-loaded in the carrier.With the telescopic oversleeve upset of intestinal, the binding of oversleeve latter end is fixed on axle center pipe leading portion development ring rear side earlier, makes the oversleeve latter end near the guide head and the ring that develops with backguy; The backguy that has bundled oversleeve penetrates Guan Bingcong axle center, axle center pipe rear port from the other front opening of the side of axle center pipe and passes, and fixes around trip bolt.Once more the telescopic oversleeve of intestinal is overturn and is wrapped in the axle center and manage the outside, the telescopic metal rack of intestinal partly shunk be fixed between axle center pipe and the scratch resistant layer, and lean the push and block ring and fix, tighten holding screw subsequently and lock tight loop and make epitheca pipe and axle center pipe fixing, finish the preparation before discharging.
Under radioscopy guided, the ring that develops was with the push and block ring telescopic position of intestinal of developing.When arriving assigned address release, the holding screw of unscrewing front handlebar is to loosen tight loop, and recession epitheca pipe in the fixed axis core barrel adopts the mode as traditional propelling movement type carrier release support to discharge the telescopic holder part of intestinal; Loosen afterwards and backguy that tractive is fixed in the back handle, the knot that can be undone by a pull of backguy front end binding oversleeve is loosened, and oversleeve is released, again from front handlebar through injection port injecting fluid mediation oversleeve, intestinal sleeve pipe and intestinal wall attaching are withdrawn from carrier and are finished course of conveying.
The built-in sleeve pipe carrier of Duodeno-jejunum of the present invention has the function of propelling movement type and two types of carriers of wiring formula in the prior art concurrently, carries when realizing metal rack and soft oversleeve.Carry intestinal casing support part in the propelling movement type mode, can make the support off-position accurate.The inwall that holds intestinal casing support part at protheca pipe leading portion is provided with scratch resistant layer, avoids fixed claw to thrust tube wall and causes the intestinal sleeve pipe to be detained in carrier; Adopt wiring formula mode to carry the oversleeve part, easy to operate, discharge the mediation that back injection physical ability guarantees oversleeve.Development ring and push and block ring between the two the distance of device on the pipe of axle center is suitable with the telescopic length of intestinal, the telescopic position of intestinal of developing together in install operation process.Under endoscope and X ray transmission are auxiliary, can more easily the intestinal sleeve pipe accurately be inserted target site.
Description of drawings
Fig. 1 is a carrier longitudinal profile structural representation of the present invention;
Prepackage intestinal sleeve pipe view when Fig. 2 uses for carrier of the present invention.
Parts that number in the figure is represented or position are: the 1-head; The 2-cervical region; The 3-body; The 4-afterbody; The 5-guide head; The 6-ring that develops; 7-epitheca pipe; 8-axle center pipe; The 9-front handlebar; The 10-clamp nut; The 11-sealer; The 12-scratch resistant layer; The 13-backguy; Handle behind the 14-; 15-push and block ring; The 16-injection port; The 17-tight loop; The 18-holding screw; The 19-trip bolt; The 20-stay thimble; The 21-oversleeve; The 22-support.
The specific embodiment
The present invention will be further described below in conjunction with drawings and Examples.
The built-in sleeve pipe carrier of Duodeno-jejunum as shown in Figure 1, its structure then are divided into head 1, cervical region 2, body 3 and afterbody 4 four parts in the past.Wherein, axle center pipe 8 runs through whole carrier from the beginning to the end, and it is a double lumen tube, and the central part tube chamber holds seal wire walks, and the other tube chamber of side holds backguy 13 and walks.The other pipe of side front opening is in ring 6 places of developing, and backguy 13 penetrates axle center pipe 8 from opening part, and runs through axle center pipe 8 through carrier tail ends; Before, during and after axle center pipe 8 is divided into three sections, its leading portion socket guide head 5 and the ring 6 that develops form carrier head 1 and cervical region 2, handle 14 forms carrier afterbody 4 after its back segment socket, and its stage casing socket epitheca pipe 7, sealer 11, push and block ring 15 and front handlebar 9 form the body of carrier.
Carrier guide head 5 is socketed in the axle center and manages 8 front ends, makes with silica gel, and it is shaped as taper, and its axle center has from preceding and becomes big through hole gradually to the back internal diameter, is used under the traction of seal wire the guiding carrier and arrives assigned address.
The ring 6 that develops abuts against after the guide head 5, and ring set is on axle center pipe 8.The ring 6 that develops selects for use copper material to make, and is used for the development of intestinal tube ends.
Carrier body 3 comprises parts such as epitheca pipe 7, sealer 11, push and block ring 15 and front handlebar 9, before and after axle center pipe 8 runs through.The outer layer protection shell that described epitheca pipe 7 is carriers of the present invention, the carrier body 3 of device before front handlebar 9.Epitheca pipe 7 is divided into forward and backward two sections, and the leading portion internal diameter is bigger, and inwall installs scratch resistant layer 12 additional.Scratch resistant layer 12 adopts the hollow stainless steel tube to make.The length of scratch resistant layer is equivalent to 1.1-1.5 times of intestinal casing support partial-length.The telescopic holder part 22 of intestinal is arranged in the scratch resistant layer 12, thrusts epitheca pipe 7 tube walls to prevent the fixed claw on the support.There is certain intervals epitheca pipe front end and guide head rear end when the intestinal sleeve pipe is installed, and spacing distance is the 1/2-5/6 of the intestinal casing length of plan device.Epitheca pipe 7 back segment length are longer, and its rear end is fixed on the front handlebar 9 by clamp nut 10.
Sealer 11 is located on the axle center pipe 8, is spindle, selects for use silica gel to make.Sealer 11 rear ends are connected with epitheca pipe 7 front ends when installing the intestinal sleeve pipe, become the transition apparatus between epitheca pipe 7 and the axle center pipe 8, in order to prevent scratch body lumen when epitheca pipe 7 pushes.
Push and block ring 15 is set after scratch resistant layer.Push and block ring 15 ring sets are connected on the axle center pipe 8, adopt copper material to make.After the intestinal sleeve pipe was installed to carrier, the top of the telescopic support 22 of intestinal was butted on the push and block ring.In carrying the telescopic process of installation intestinal, push and block ring 15 is used for the development of intestinal sleeve pipe front end.
Front handlebar 9 is positioned at carrier body 3 near carrier afterbody 4 places, and its front end is fixedlyed connected with epitheca pipe 7 by clamp nut 10, and the rear end is provided with tight loop 17 and holding screw 18.When tightening holding screw 18, tight loop 17 lockings make epitheca pipe 7 and axle center pipe 8 fixing; When unscrewing holding screw 18, tight loop 17 loosens, and epitheca pipe 7 can slide relatively with axle center pipe 8.Front handlebar 9 middle parts are provided with injection port 16, be used for injecting liquid and dredge oversleeve in oversleeve.
Back handle 14 is socketed in the axle center and manages 8 rear ends.At the outer side joint trip bolt 19 of back handle 14, backguy 13 partly bundlees the telescopic oversleeve of intestinal and manages 8 through the axle center and pass, and penetrates, passes the position and tie up on the stay thimble 20, and on the trip bolt 19 and compress, prevent to discharge in advance the maloperation of oversleeve.

Claims (10)

1. one kind is used to carry the built-in telescopic carrier of Duodeno-jejunum, it is characterized in that, its structure comprise before and after axially vertical the wearing the axle center pipe and by the preceding guide head of then arranging, epitheca pipe, front handlebar, back handle; Wherein, the axle center pipe is double lumen tube, and the axle center part tube chamber is used for the seal wire walking, and the other tube chamber of side is used for the backguy walking; The other tube chamber front opening of side is after guide head, and backguy penetrates and run through the other tube chamber of side of axle center pipe from opening part;
Guide head is taper, fusiformis or spindle body, is socketed in axle center pipe front end, is axially arranged with through hole;
Epitheca pipe front end is provided with at interval with the guide head rear end when the intestinal sleeve pipe is installed, and spacing distance is the 1/2-5/6 of the intestinal casing length of plan device, fixedlys connected with front handlebar in epitheca pipe rear end;
Front handlebar is provided with the injection port that injects liquid in the telescopic oversleeve of intestinal;
The carrier afterbody is provided with the back handle, and back handle is fixedlyed connected with the axle center pipe.
2. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1 is characterized in that, its internal diameter self-consistentency of the through hole of described guide head or become big from front to back gradually.
3. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1 is characterized in that, the ring that develops is set after the carrier guide head, and it is annular or short tube body, selects material visual under radioscopy for use, and ring set is on the pipe of axle center; The ring front end that develops is connected mutually with the guide head rear end.
4. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1 is characterized in that, epitheca pipe leading portion internal diameter enlarges, and installs the tubular structure that hard material is made additional at internal diameter enlarged inwall, constitutes epitheca pipe leading portion inwall scratch resistant layer.
5. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 4 is characterized in that, the length of described epitheca pipe leading portion inwall scratch resistant layer is 1.1-1.5 times of intestinal casing support partial-length.
6. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1, it is characterized in that, between epitheca pipe front end and axle center pipe sealer is set, sealer is taper, fusiformis or spindle pipe, front end sleeve is connected to the axle center pipe, and the rear end is connected with epitheca pipe front end.
7. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 6 is characterized in that, sealer selects for use flexible material to make the body slyness.
8. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1 is characterized in that, at carrier epitheca pipe leading portion intracavity the push and block ring that the intestinal sleeve pipe is played fixation is set, and is socketed on the pipe of axle center; The push and block ring adopts material visual under radioscopy.
9. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1 is characterized in that the front handlebar rear end is provided with tight loop and holding screw, in order to relative fixed or the relative slip of control epitheca pipe with the axle center pipe.
10. the built-in sleeve pipe carrier of Duodeno-jejunum according to claim 1 is characterized in that, back handle one side is provided with trip bolt, is used for fixing the backguy that passes in the pipe of axle center.
CN2011100863483A 2011-04-07 2011-04-07 Conveyor of duodenum-jejunum embedded casing Pending CN102166142A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103705326A (en) * 2013-12-27 2014-04-09 成都中医药大学附属医院 Support, endoscope package and support releasing method
CN104257446A (en) * 2014-10-22 2015-01-07 巴克 Duodenum sleeve delivery device
CN105055062A (en) * 2015-06-03 2015-11-18 常州新区佳森医用支架器械有限公司 Duodenum stent, preparation method, mould, stent implantation instrument and binding method
US9918862B2 (en) 2013-03-31 2018-03-20 Ping Wan Internal covering membrane of duodenum
CN110051399A (en) * 2014-03-06 2019-07-26 W.L.戈尔及同仁股份有限公司 Implantable medical device constraint and deployment facility

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2715700Y (en) * 2004-07-28 2005-08-10 微创医疗器械(上海)有限公司 Rapid changing and transporting system for self expansion type medical stent
US20060155312A1 (en) * 2002-12-02 2006-07-13 Levine Andy H Atraumatic delivery devices
CN200991254Y (en) * 2006-11-16 2007-12-19 沈阳 Delivering device with positioning center for interventional operation
CN101347361A (en) * 2008-08-14 2009-01-21 吕宾 Imbedding device for stent secondary release with direct view under endoscope
CN101843536A (en) * 2010-04-09 2010-09-29 张发明 Duodenal sleeve and conveyor thereof
CN202113191U (en) * 2011-04-07 2012-01-18 北京畅想天行医疗技术有限公司 Duodenum-jejunum built-in cannula conveyor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060155312A1 (en) * 2002-12-02 2006-07-13 Levine Andy H Atraumatic delivery devices
CN2715700Y (en) * 2004-07-28 2005-08-10 微创医疗器械(上海)有限公司 Rapid changing and transporting system for self expansion type medical stent
CN200991254Y (en) * 2006-11-16 2007-12-19 沈阳 Delivering device with positioning center for interventional operation
CN101347361A (en) * 2008-08-14 2009-01-21 吕宾 Imbedding device for stent secondary release with direct view under endoscope
CN101843536A (en) * 2010-04-09 2010-09-29 张发明 Duodenal sleeve and conveyor thereof
CN202113191U (en) * 2011-04-07 2012-01-18 北京畅想天行医疗技术有限公司 Duodenum-jejunum built-in cannula conveyor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9918862B2 (en) 2013-03-31 2018-03-20 Ping Wan Internal covering membrane of duodenum
CN103705326A (en) * 2013-12-27 2014-04-09 成都中医药大学附属医院 Support, endoscope package and support releasing method
CN110051399A (en) * 2014-03-06 2019-07-26 W.L.戈尔及同仁股份有限公司 Implantable medical device constraint and deployment facility
CN104257446A (en) * 2014-10-22 2015-01-07 巴克 Duodenum sleeve delivery device
CN104257446B (en) * 2014-10-22 2016-03-23 巴克 Duodenal sleeve conveyer device
CN105055062A (en) * 2015-06-03 2015-11-18 常州新区佳森医用支架器械有限公司 Duodenum stent, preparation method, mould, stent implantation instrument and binding method

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Application publication date: 20110831