CN103083123B - Esophagus support conveyor - Google Patents
Esophagus support conveyor Download PDFInfo
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- CN103083123B CN103083123B CN201310010362.4A CN201310010362A CN103083123B CN 103083123 B CN103083123 B CN 103083123B CN 201310010362 A CN201310010362 A CN 201310010362A CN 103083123 B CN103083123 B CN 103083123B
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- sleeve
- tensioning
- outer sheath
- hole
- ejector sleeve
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Abstract
The invention discloses an esophagus support conveyor which comprises an epitheca pipe, a core pipe, a guiding head, a development identification ring, a non-transmission identification ring, a front handle, a rear handle and a safe lock sleeve. The esophagus support conveyor is characterized by comprising a compressing sleeve and a tensioning sleeve, a positioning hole and a recovery hole are sequentially formed between an epitheca penetrating hole and a locking thread hole of the middle of the front handle, a clamping groove is formed in the rear end portion of the inner wall of the positioning hole, the pressing sleeve is formed by fixed connection of a ring top platform, a tensioning large cylinder sleeve body and a positioning small cylinder sleeve body along a same axis, and a cone positioning hole is formed at the outer end of an inner hole of the ring top platform. The tensioning sleeve is formed by a cylindrical fixed sleeve body and a cone-shaped platform body at the front end of the cylindrical fixed sleeve body, a tensioning through groove is formed at one end of the tensioning sleeve along one end of the cone-shaped platform body along an axial circumference array, the compressing sleeve and the tensioning sleeve are respectively sleeved on an ejector sleeve, one end of the tensioning sleeve is connected with the safe locking sleeve by the fixed sleeve body, the other end of the tensioning sleeve corresponds to the tensioning sleeve, the compressing sleeve is sleeved at the rear end of the epitheca pipe and fixed on the front handle. The esophagus support conveyor has the advantages of being novel in structure, quick and convenient to operate, accurate in judgment, small in pumpback resistance, short in time of operation, small in patient pain and the like.
Description
Technical field
Technical field of medical instruments of the present invention, specifically a kind of esophageal stents appear carrier.
Background technology
At present, in clinical esophagus interventional therapy, usual use self-expandable stent is monitored through body lumen (as mouth by carrier and digitized video, nose etc.) support be compressed in conduit is delivered to diseased region, then by predetermined mode, support release is launched, rely on the radial tension of support self and the contractility of body lumen self, support is fixed the diseased region of esophagus, reach the object for the treatment of or alleviation disease, this esophageal stents appear carrier comprises outer sheath, core pipe, ejector sleeve, guide head, development identification rings, not transmission mark ring, front handlebar, rear handle, silicagel pad and safe lock tube, guide head is bullet-headed, core pipe front end is fixedly connected with guide head through not transmission mark ring, rear end is connected with female Luer, core pipe is arranged with development identification rings successively from A-P, ejector sleeve and rear handle, ejector sleeve and core pipe pivot bush unit, ejector sleeve front end is fixedly connected with development identification rings, rear end is fixedly connected with rear handle, development identification rings and rear handle and core pipe pivot bush unit, mount cavity is provided with between development identification rings and guide head, rear handle is made to drive ejector sleeve to move axially along core pipe, reach the length regulating mount cavity, to adapt to the support needs of different length, ejector sleeve is arranged with outer sheath, silicagel pad and safe lock tube, outer sheath rear portion fixed cover is provided with front handlebar, bore a hole by being provided with outer sheath after forward direction successively in front handlebar inwall center, hold-down apertures and locking screw pit, silicagel pad matches with ejector sleeve, safe lock tube is threaded with front handlebar through locking screw pit, when outer sheath and ejector sleeve are fixed, silicagel pad is pressed in the silicagel pad hold-down apertures of front handlebar by safe lock tube, when needs releasing bracket during pumpback outer sheath, unscrew safe lock tube, hands holds front handlebar, drive outer sheath and order about silicagel pad travelling backwards, its deficiency is: when compressing silicagel pad with safety lock cover, need multi-turn rotation just can tighten, silicagel pad is made to be fixed on ejector sleeve by outer sheath extruding, can not unscrew fast when unscrewing, and during pumpback outer sheath, because silicagel pad can hinder the relative movement between front handlebar in outer sheath and ejector sleeve, it is complete whether bad confirmation support has discharged, in order to avoid unnecessary maloperation, prevent support from discharging less than during assigned address, often need to extend pumpback distance, operating time is caused to extend, add patient suffering.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of novel structure, swift to operate, accuracy of judgement, pumpback resistance is little, operating time is short, patient suffering is little esophageal stents appear carrier are provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of esophageal stents appear carrier, comprise outer sheath, core pipe, ejector sleeve, guide head, development identification rings, not transmission mark ring, front handlebar, rear handle and safe lock tube, guide head is bullet-headed, core pipe front end is fixedly connected with guide head through not transmission mark ring, rear end is connected with female Luer, core pipe is arranged with development identification rings successively from A-P, ejector sleeve and rear handle, ejector sleeve and core pipe pivot bush unit, ejector sleeve front end is fixedly connected with development identification rings, rear end is fixedly connected with rear handle, development identification rings and rear handle and core pipe pivot bush unit, mount cavity is provided with between development identification rings and guide head, rear handle is made to drive ejector sleeve to move axially along core pipe, reach the length regulating mount cavity, to adapt to the support needs of different length, ejector sleeve is arranged with outer sheath and safe lock tube, outer sheath rear portion fixed cover is provided with front handlebar, front handlebar center front is provided with outer sheath perforation, rear portion is provided with locking screw pit, safe lock tube is threaded with front handlebar through locking screw pit, it is characterized in that being provided with clamping sleeve and tensioning sleeve, be provided with locating hole between the outer sheath perforation at described front handlebar center and locking screw pit successively and restore hole, outer sheath is bored a hole, locating hole and recovery hole form ascending shoulder hole, locating hole rear inner wall portion vertically Circle-Array shows clamping slot, described clamping sleeve adopts plastics or metal to make, clamping sleeve is by annular roof platform, tensioning big column body and location small column body are formed by fixedly connecting along same axis, annular roof platform endoporus outer end is provided with taper locating hole, described tensioning sleeve is made up of the taper stage body of cylindrical fixing body and cylindrical fixing body front end, tensioning sleeve along taper stage body one end vertically Circle-Array show tensioning groove, clamping sleeve and tensioning sleeve are enclosed within ejector sleeve respectively, tensioning sleeve one end socket-connects through fixing body and safe lock tube, the other end is corresponding with the taper locating hole of clamping sleeve, clamping sleeve is enclosed within outer sheath rear end and is fixed on front handlebar, when needs outer sheath and ejector sleeve are fixed, safety lock cover drives the taper locating hole of tensioning sleeve through taper stage body end with clamping sleeve rear end to extrude mutually, under the tension force effect of tensioning sleeve, tensioning sleeve and safe lock tube is made to be fixed on ejector sleeve, thus allow and be fixed on outer sheath on front handlebar by clamping sleeve and ejector sleeve is fixed indirectly, avoid in operation intervention procedure, outer sheath and ejector sleeve loosen and cause the maloperation of doctor, because the locating hole of clamping sleeve in outer sheath and front handlebar adopts interference fit, outer sheath is prevented to rotate or ease out, when needs pumpback outer sheath releasing bracket, unscrew safe lock tube, tensioning sleeve is separated with clamping sleeve, tensioning sleeve restores rapidly under own tension effect, resistance between outer sheath and ejector sleeve disappears, hand-held front handlebar, drive outer sheath under non-resistance effect along ejector sleeve travelling backwards, support is discharged fast, effectively judge the release completely of support, avoid the maloperation in operation process.
The present invention owing to adopting said structure, the advantage such as there is novel structure, swift to operate, accuracy of judgement, pumpback resistance is little, operating time is short, patient suffering is little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of clamping sleeve in the present invention.
Fig. 3 is the structural representation of tensioning sleeve in the present invention.
Fig. 4 is the structural representation of front handlebar in the present invention.
Reference numeral: guide head 1, not transmission mark ring 2, outer sheath 3, development identification rings 4, front handlebar 5, safe lock tube 8, ejector sleeve 10, rear handle 11, core pipe 12, female Luer 13, locking screw pit 14, clamping sleeve 15, tensioning sleeve 16, locating hole 17, annular roof platform 18, clamping slot 19, tensioning big column body 20, location small column body 21, taper locating hole 22, fixing body 23, taper stage body 24, tensioning groove 25, recovery hole 26, outer sheath perforation 27.
Detailed description of the invention:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of esophageal stents appear carrier, comprise outer sheath 3, core pipe 12, ejector sleeve 10, guide head 1, development identification rings 4, not transmission mark ring 2, front handlebar 5, rear handle 11 and safe lock tube 8, guide head 1 is in bullet-headed, core pipe 12 front end is fixedly connected with guide head 1 through not transmission mark ring 2, rear end is connected with female Luer 13, core pipe 12 is arranged with development identification rings 4 successively from A-P, ejector sleeve 10 and rear handle 11, ejector sleeve 10 and core pipe 12 pivot bush unit, ejector sleeve 10 front end is fixedly connected with development identification rings 4, rear end is fixedly connected with rear handle 11, development identification rings 4 and rear handle 11 and core pipe 12 pivot bush unit, mount cavity is provided with between development identification rings 4 and guide head 1, rear handle 11 is made to drive ejector sleeve 10 to move axially along core pipe 12, reach the length regulating mount cavity, to adapt to the support needs of different length, ejector sleeve 10 is arranged with outer sheath 3 and safe lock tube 8, outer sheath 3 rear portion fixed cover is provided with front handlebar 5, front handlebar 5 center front is provided with outer sheath perforation 27, rear portion is provided with locking screw pit 14, safe lock tube 8 is threaded with front handlebar 5 through locking screw pit 14, it is characterized in that being provided with clamping sleeve 15 and tensioning sleeve 16, be provided with locating hole 17 between the outer sheath perforation 27 at described front handlebar 5 center and locking screw pit 14 successively and restore hole 26, outer sheath is bored a hole, locating hole 17 and recovery hole 26 form ascending shoulder hole, locating hole 17 rear inner wall portion vertically Circle-Array shows clamping slot 19, described clamping sleeve 15 adopts plastics or metal to make, clamping sleeve 15 is by annular roof platform 18, tensioning big column body 20 and location small column body 21 are formed by fixedly connecting along same axis, in annular roof platform 18, outer end of hole is provided with taper locating hole 22, described tensioning sleeve 16 is made up of the taper stage body 24 of cylindrical fixing body 23 and cylindrical fixing body 23 front end, tensioning sleeve 16 along taper stage body 24 one end vertically Circle-Array show tensioning groove 25, clamping sleeve 15 and tensioning sleeve 16 are enclosed within ejector sleeve 10 respectively, tensioning sleeve 16 one end socket-connects with safe lock tube 8 through fixing body 23, the other end is corresponding with the taper locating hole 22 of clamping sleeve 15, clamping sleeve is enclosed within outer sheath rear end and is fixed on front handlebar, when needs outer sheath 3 is fixed with ejector sleeve 10, safe lock tube 8 drives the taper locating hole of tensioning sleeve 16 through taper stage body 24 end with clamping sleeve 15 rear end to extrude mutually, under the tensioning groove tension force effect of tensioning sleeve, tensioning sleeve and safe lock tube is made to be fixed on ejector sleeve, thus allow and be fixed on outer sheath on front handlebar by clamping sleeve and ejector sleeve is fixed indirectly, avoid in operation intervention procedure, outer sheath and ejector sleeve loosen and cause the maloperation of doctor, because the locating hole 17 of clamping sleeve in outer sheath and front handlebar and pressing groove 19 adopt interference fit, outer sheath 3 is prevented to rotate or ease out, when needs pumpback outer sheath 3 releasing bracket, unscrew safe lock tube 8, tensioning sleeve 16 is separated with clamping sleeve 15, tensioning sleeve 16 restores rapidly under own tension effect, resistance between outer sheath 3 and ejector sleeve 10 disappears, hand-held front handlebar, drive outer sheath 3 under non-resistance effect along ejector sleeve 10 travelling backwards, support is discharged fast, effectively judge whether support discharges completely, avoid the maloperation in operation process.
The present invention is when clinical intervention uses, doctor is first according to handle 11 after the length adjustment of support, and unscrew safe lock tube 8, front handlebar 5 is made to drive outer sheath 3 pumpback, by support casing on the core pipe 12 between guide head 1 and development identification rings 4, hold front handlebar 5, outer sheath 3 is moved forward and support pressure is shunk in guide head 1, on core pipe 12 in the cavity that development identification rings 4 and outer sheath 3 are formed, screw safe lock tube 8, safe lock tube 8 promotes tensioning sleeve 16 and moves forward, make the taper stage body 24 of tensioning sleeve 16 front end through the extruding of the taper locating hole 22 of clamping sleeve 15, tensioning sleeve and safe lock tube is made to be fixed on ejector sleeve, make to be fixed on outer sheath on front handlebar and ejector sleeve is fixed indirectly, under the supervision of digitized video, doctor passes through mouth or the nose position of human body official jargon, the support be compressed in cavity is delivered to diseased region, unscrew safe lock tube 8, tensioning sleeve 16 restores rapidly under own tension effect, hand-held front handlebar, drive outer sheath 3 under non-resistance effect along ejector sleeve 10 travelling backwards, the shape memory function that support in cavity is had by itself opens rapidly and recovers own form, again by the contractility of human body esophagus self, support is fixed on the diseased region of esophagus, reach the object for the treatment of or alleviation disease, then the present invention extracts out by hand-held rear handle in human body.
The present invention is owing to adopting said structure, resistance between outer sheath and ejector sleeve disappears, support is discharged fast, effectively judge the release completely of support, avoid the maloperation in operation process, there is novel structure, swift to operate, accuracy of judgement, the advantage such as pumpback resistance is little, operating time is short, patient suffering is little.
Claims (1)
1. an esophageal stents appear carrier, comprise outer sheath, core pipe, ejector sleeve, guide head, development identification rings, not transmission mark ring, front handlebar, rear handle and safe lock tube, guide head is bullet-headed, core pipe front end is fixedly connected with guide head through not transmission mark ring, rear end is connected with female Luer, core pipe is arranged with development identification rings successively from A-P, ejector sleeve and rear handle, ejector sleeve and core pipe pivot bush unit, ejector sleeve front end is fixedly connected with development identification rings, rear end is fixedly connected with rear handle, development identification rings and rear handle and core pipe pivot bush unit, mount cavity is provided with between development identification rings and guide head, rear handle is made to drive ejector sleeve to move axially along core pipe, ejector sleeve is arranged with outer sheath and safe lock tube, outer sheath rear portion fixed cover is provided with front handlebar, front handlebar center front is provided with outer sheath perforation, rear portion is provided with locking screw pit, safe lock tube is threaded with front handlebar through locking screw pit, it is characterized in that being provided with clamping sleeve and tensioning sleeve, be provided with locating hole between the outer sheath perforation at described front handlebar center and locking screw pit successively and restore hole, outer sheath is bored a hole, locating hole and recovery hole form ascending shoulder hole, locating hole rear inner wall portion vertically Circle-Array shows clamping slot, described clamping sleeve adopts plastics or metal to make, clamping sleeve is by annular roof platform, tensioning big column body and location small column body are formed by fixedly connecting along same axis, annular roof platform endoporus outer end is provided with taper locating hole, described tensioning sleeve is made up of the taper stage body of cylindrical fixing body and cylindrical fixing body front end, tensioning sleeve along taper stage body one end vertically Circle-Array show tensioning groove, clamping sleeve and tensioning sleeve are enclosed within ejector sleeve respectively, tensioning sleeve one end socket-connects through fixing body and safe lock tube, the other end is corresponding with the taper locating hole of clamping sleeve, clamping sleeve is enclosed within outer sheath rear end and is fixed on front handlebar, when needs outer sheath and ejector sleeve are fixed, safety lock cover drives the taper locating hole of tensioning sleeve through taper stage body end with clamping sleeve rear end to extrude mutually, under the tension force effect of tensioning sleeve, tensioning sleeve and safe lock tube is made to be fixed on ejector sleeve, thus allow and be fixed on outer sheath on front handlebar by clamping sleeve and ejector sleeve is fixed indirectly, when needs pumpback outer sheath releasing bracket, unscrew safe lock tube, tensioning sleeve is separated with clamping sleeve, tensioning sleeve restores rapidly under own tension effect, hand-held front handlebar, drive outer sheath under non-resistance effect along ejector sleeve travelling backwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010362.4A CN103083123B (en) | 2013-01-11 | 2013-01-11 | Esophagus support conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010362.4A CN103083123B (en) | 2013-01-11 | 2013-01-11 | Esophagus support conveyor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103083123A CN103083123A (en) | 2013-05-08 |
| CN103083123B true CN103083123B (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310010362.4A Active CN103083123B (en) | 2013-01-11 | 2013-01-11 | Esophagus support conveyor |
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| Country | Link |
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| CN (1) | CN103083123B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104224413A (en) * | 2013-06-20 | 2014-12-24 | 上海翊科精密挤出技术有限公司 | Esophageal stent conveying catheter |
| CN103830027A (en) * | 2014-03-21 | 2014-06-04 | 董绍安 | Accurate positioning human body lumen support placing device |
| CN106456343B (en) * | 2014-05-21 | 2018-10-16 | 波士顿科学医学有限公司 | Rack conveying system |
| CN104399171A (en) * | 2014-11-28 | 2015-03-11 | 中山市普利斯微创介入医械有限公司 | Sleeve type catheter connector |
| CN106264808B (en) * | 2016-08-29 | 2017-12-15 | 有研医疗器械（北京）有限公司 | One kind is accurately positioned esophageal stents induction system |
| RU2669994C2 (en) * | 2016-12-30 | 2018-10-17 | Общество с ограниченной ответственностью "СЕВЕН САНС" | Device and method for safe positioning of coronary stent in coronary arteries |
| CN111658253B (en) * | 2020-06-16 | 2023-08-29 | 西安交通大学医学院第一附属医院 | Cardiovascular stent conveyer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664618Y (en) * | 2003-12-17 | 2004-12-22 | 马兴 | Intraesophageal bracket picker |
| CN201445575U (en) * | 2009-04-29 | 2010-05-05 | 天健医疗科技(苏州)有限公司 | Artery tectorial membrane support and conveyer 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 |
| CN202982317U (en) * | 2013-01-11 | 2013-06-12 | 威海维心医疗设备有限公司 | Conveyor for esophageal stent |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8535368B2 (en) * | 2006-05-19 | 2013-09-17 | Boston Scientific Scimed, Inc. | Apparatus for loading and delivering a stent |
| US9345565B2 (en) * | 2010-12-30 | 2016-05-24 | Claret Medical, Inc. | Steerable dual filter cerebral protection system |
-
2013
- 2013-01-11 CN CN201310010362.4A patent/CN103083123B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664618Y (en) * | 2003-12-17 | 2004-12-22 | 马兴 | Intraesophageal bracket picker |
| CN201445575U (en) * | 2009-04-29 | 2010-05-05 | 天健医疗科技(苏州)有限公司 | Artery tectorial membrane support and conveyer 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 |
| CN202982317U (en) * | 2013-01-11 | 2013-06-12 | 威海维心医疗设备有限公司 | Conveyor for esophageal stent |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103083123A (en) | 2013-05-08 |
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