CN104000677B - A kind of scalable inner support being used for the treatment of esophagostenosis - Google Patents
A kind of scalable inner support being used for the treatment of esophagostenosis Download PDFInfo
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- CN104000677B CN104000677B CN201410264594.7A CN201410264594A CN104000677B CN 104000677 B CN104000677 B CN 104000677B CN 201410264594 A CN201410264594 A CN 201410264594A CN 104000677 B CN104000677 B CN 104000677B
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- China
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- jig arm
- strut
- pole
- gag lever
- lever post
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Abstract
The present invention relates to a kind of scalable inner support being used for the treatment of esophagostenosis, comprise support body, be set in Thin Elastic Membrane cover outside support body and position-limit mechanism, support body is made up of two carrier units, each carrier unit comprises two jig arm and two semicircle clamp rings, two carrier units are hinged by jig arm, and the opening being positioned at two semicircle clamp rings of same one end is oppositely arranged; Position-limit mechanism comprises pole, strut, gag lever post and screens bar, pole is arranged in the jig arm of one of them carrier unit by torsion spring, multiple gag lever post is evenly arranged on the length direction of strut, and arrange in being less than 60 ° of angles between gag lever post and strut, described screens bar arranges and is in the jig arm that pole place jig arm is relative, and screens bar is mutually vertical with plane residing for two jig arm.Scalable inner support of the present invention, can be placed in the stenosis of esophagus rapidly, and the whole put procedure of inner support is simple, fast, and convenient to remove, success rate of operation is higher.
Description
Technical field
The present invention relates to medical instrument technical field, be specifically related to a kind of scalable inner support being used for the treatment of esophagostenosis.
Background technology
At present, cancer is one of large disease killer of the mankind three, mortality is higher, but through studying intensively of medical and health circle personage recent decades, medicine constantly occurs, medical procedure also improves constantly, as the esophagostenosis that treatment causes because of malignant tumor, clinician puts into support, to reach the object of expansion pipeline, for the esophageal carcinoma, the esophageal carcinoma is one of common malignant tumor of digestive tract of China, the 6th is occupied in world's malignant tumor, middle and advanced stage mostly is once discovery, in, the modal problem of late esophagus cancer patient is esophagus in various degree narrow, block swallowing of causing, eating difficulties, the obvious quality of life affecting patient.Wherein a kind of method of solution esophagostenosis is the stenosis indwelling inner support at esophagus, and thus how quick, easily inner support being inserted esophagostenosis place is the problem needing solution badly.
Summary of the invention
The object of the invention is the deficiency for solving the problems of the technologies described above, providing a kind of scalable inner support being used for the treatment of esophagostenosis, being placed in the stenosis of esophagus by instrument rapidly, the whole put procedure of inner support is simple, and fast, success rate of operation is higher.
The present invention is the deficiency solved the problems of the technologies described above, the technical scheme adopted is: a kind of scalable inner support being used for the treatment of esophagostenosis, comprise support body, be set in the Thin Elastic Membrane cover outside support body and position-limit mechanism, described support body is made up of two carrier units, each carrier unit comprises two jig arm and two semicircle clamp rings, article two, jig arm is arranged in parallel, and two semicircle clamp rings are separately positioned on the two ends of two jig arm, two terminations of semicircle clamp ring are fixedly connected with same one end of two jig arm respectively, and the opening direction of two semicircle clamp rings is contrary, two described carrier units are hinged by jig arm, and the opening being positioned at two semicircle clamp rings of same one end is oppositely arranged,
Described position-limit mechanism comprises pole, strut, gag lever post, with screens bar, pole is arranged in the jig arm of one of them carrier unit by torsion spring, pole has the trend that the hinged place to jig arm tilts under the effect of torsion spring, described pole arranges strut towards the side of the pin joint of jig arm, be connected by multiple bow between pole and strut, multiple gag lever post is evenly arranged on the length direction of strut, one end of gag lever post is fixedly connected with strut, and arrange in being less than 60 ° of angles between gag lever post and strut, multiple gag lever post to be in same plane and gag lever post towards unanimously, residing for plane residing for gag lever post and two jig arm, plane is parallel to each other, the lower end of described strut is connected with driving lever by torsion spring, under original state, arrange in 180 ° of angles between driving lever and strut, described driving lever can only pole rotate under external force dorsad, and restPose after external force disappears, described screens bar is arranged in the jig arm relative with pole place jig arm, screens bar is mutually vertical with plane residing for two jig arm, and the distance of screens bar and two jig arm pin joints is less than the torsion spring of pole and the distance of two jig arm pin joints.
beneficial effect
Scalable inner support of the present invention, can be placed in the stenosis of esophagus rapidly, and the whole put procedure of inner support is simple, fast, and convenient to remove, success rate of operation is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of scalable inner support of the present invention;
Fig. 2 is the structural representation of the carrier unit of the scalable inner support of the present invention;
Labelling in figure: 1, jig arm, 2, semicircle clamp ring, 3, strut, 4, gag lever post, 5, screens bar, 6, torsion spring, 7, pole, 8, driving lever, 9, bow.
Detailed description of the invention
As shown in the figure: a kind of scalable inner support being used for the treatment of esophagostenosis, comprise support body, be set in Thin Elastic Membrane cover outside support body and position-limit mechanism, described Thin Elastic Membrane cover cylindrically and have certain tensile elasticity.Described support body is made up of two carrier units, each carrier unit comprises two jig arm 1 and two semicircle clamp rings 2, article two, jig arm 1 is arranged in parallel, and two semicircle clamp rings 2 are separately positioned on the two ends of two jig arm 1, two terminations of semicircle clamp ring 2 are fixedly connected with same one end of two jig arm 1 respectively, and the opening direction of two semicircle clamp rings 2 is contrary, two described carrier units are hinged by jig arm 1, two jig arm 1 that two carrier units are positioned at the same side are hinged respectively, interface point is positioned at the centre position of jig arm 1, and the opening of two that are positioned at same one end semicircle clamp rings 2 is oppositely arranged, whole support body can change along with the size of the channel diameter that the semicircle clamp ring 2 in different two, its top and bottom, angle of inclination of two carrier units is formed, described Thin Elastic Membrane cover is set in outside support body, under the effect of Thin Elastic Membrane cover, the support body of original state is in contraction state.Described position-limit mechanism comprises pole 7, strut 3, gag lever post 4 and screens bar 5, pole 7 is arranged in the jig arm 1 of one of them carrier unit by torsion spring 6, pole 7 has the trend that the hinged place to jig arm 1 tilts under the effect of torsion spring 6, and torsion spring 6 effect lower fulcrum bar 7 finally can and jig arm 1 in 30 ° of angles.Described pole 7 arranges strut 3 towards the side of the pin joint of two jig arm 1, is connected between pole 7 and strut 3 by multiple bow 9.Multiple gag lever post 4 is evenly arranged on the length direction of strut 3, one end of gag lever post 4 is fixedly connected with strut 3, and arrange in being less than 60 ° of angles between gag lever post 4 and strut 3, multiple gag lever post 4 to be in same plane and gag lever post 4 towards unanimously, residing for plane residing for gag lever post 4 and two jig arm 1, plane is parallel to each other, and all forms a gear between each gag lever post 4 and strut 3.The lower end of described strut 3 is connected with driving lever 8 by torsion spring, under original state, arrange in 180 ° of angles between driving lever 8 and strut 3, described driving lever 8 can only pole 7 rotate under external force dorsad, and restPose after external force disappears, described screens bar 5 is arranged in the jig arm 1 relative with pole 7 place jig arm 1, screens bar 5 is mutually vertical with plane residing for two jig arm 1, and the distance of screens bar 5 and two jig arm 1 pin joints is less than the torsion spring 6 of pole 7 and the distance of two jig arm 1 pin joints.During original state, screens bar 5 is in the gear that formed between gag lever post 4 bottom and strut 3, along with the circumferentially extending of support body, article two, the angle between the jig arm 1 be hinged is increasing, in this process, screens bar 5 slips into next gear along strut 3, and now the circumferentially extending state of support body is locked, and support body can not shrink because of the effect of Thin Elastic Membrane cover.And strut 3 has the trend that the hinged place to jig arm 1 tilts all the time in whole process under the effect of torsion spring 6, screens bar 5 can be locked, until the angle between two jig arm be hinged 1 strengthens further and enters next gear after entering a new gear.
When angle between two jig arm be hinged 1 is enough large, screens bar 5 is deviate to enter in the passage that pole 7 and strut 3 formed from last gear, strut 3 is no longer subject to the constraint of screens bar 5, jig arm 1 is pressed close under the effect of torsion spring 6, article two, the jig arm 1 be hinged is shunk rapidly under the elastic force effect of Thin Elastic Membrane cover without restraining forces, thus make whole support body be contracted to original state, in this process, the passage landing that screens bar 5 is formed along pole 7 and strut 3, and final extruding driving lever 8 makes driving lever 8 rotate, driving lever 8 walked around by final screens bar 5, owing to losing extruding force, driving lever 8 restPoses under the effect of torsion spring.When needs make support strut again, angle under external force between two jig arm be hinged 1 becomes large, screens bar 5 withstands driving lever 8, because driving lever 8 can only pole 7 rotate dorsad, therefore, screens bar 5 slides in gear bottom along driving lever 8, then repeats above-mentioned action, realizes strutting of support.
Place inner support can request for utilization people in the application number applied for 2014.01.28 day be the place tool of 201410041636.0, when placing inner support, first inner support is set in the outside of stoma tube, then whole device stretches to stenosis along esophagus, utilize the shape of advance termination through this stenosis, stenosis is just strutted by inner support, then control source of the gas to inflate, it is inner that gas enters elastic ball film from the passage of stoma tube, elastic ball film is heaved, elastic ball film can be strutted from the inside of inner support after heaving, after support extremely to a certain degree, control source of the gas to exit, elastic ball film can become flat, then whole apparatus for placing is extracted out, inner support is retained in esophagostenosis place.Stent in esophagus apparatus for placing of the present invention, structure is simple, inner support can be placed in the stenosis of esophagus, and whole put procedure is simple, and fast, success rate of operation is higher.
Claims (1)
1. one kind is used for the treatment of the scalable inner support of esophagostenosis, it is characterized in that: comprise support body, be set in the Thin Elastic Membrane cover outside support body and position-limit mechanism, described support body is made up of two carrier units, each carrier unit comprises two jig arm (1) and two semicircle clamp rings (2), article two, jig arm (1) is arranged in parallel, and two semicircle clamp rings (2) are separately positioned on the two ends of two jig arm (1), two terminations of semicircle clamp ring (2) are fixedly connected with same one end of two jig arm (1) respectively, and the opening direction of two semicircle clamp rings (2) is contrary, two described carrier units are hinged by jig arm (1), and the opening being positioned at two semicircle clamp rings (2) of same one end is oppositely arranged,
Described position-limit mechanism comprises pole (7), strut (3), gag lever post (4), with screens bar (5), pole (7) is arranged in the jig arm (1) of one of them carrier unit by torsion spring (6), pole (7) has the trend that the hinged place to jig arm (1) tilts under the effect of torsion spring (6), described pole (7) arranges strut (3) towards the side of the pin joint of jig arm (1), be connected by multiple bow (9) between pole (7) and strut (3), multiple gag lever post (4) is evenly arranged on the length direction of strut (3), one end of gag lever post (4) is fixedly connected with strut (3), and arrange in being less than 60 ° of angles between gag lever post (4) and strut (3), multiple gag lever post (4) to be in same plane and gag lever post (4) towards unanimously, the residing plane of gag lever post (4) be positioned at the residing plane of two jig arm (1) that the same side is hinged and be parallel to each other, the lower end of described strut (3) is connected with driving lever (8) by another one torsion spring, the lower end of strut (3) refers to strut (3) one end near torsion spring (6), under original state, arrange in 180 ° of angles between driving lever (8) and strut (3), described driving lever (8) can only pole (7) rotate under external force dorsad, and restPose after external force disappears, described screens bar (5) is arranged in the jig arm (1) hinged with pole (7) place jig arm (1), screens bar (5) is with to be positioned at the residing plane of two jig arm (1) that the same side is hinged mutually vertical, and screens bar (5) is less than the torsion spring (6) of pole (7) and the distance of two jig arm (1) pin joints with the distance being positioned at two jig arm (1) pin joints that the same side is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264594.7A CN104000677B (en) | 2014-06-16 | 2014-06-16 | A kind of scalable inner support being used for the treatment of esophagostenosis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410264594.7A CN104000677B (en) | 2014-06-16 | 2014-06-16 | A kind of scalable inner support being used for the treatment of esophagostenosis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104000677A CN104000677A (en) | 2014-08-27 |
| CN104000677B true CN104000677B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410264594.7A Expired - Fee Related CN104000677B (en) | 2014-06-16 | 2014-06-16 | A kind of scalable inner support being used for the treatment of esophagostenosis |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262089B (en) * | 2021-06-08 | 2022-10-04 | 中南大学湘雅医院 | Tracheal stent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245129A (en) * | 2008-07-21 | 2011-11-16 | 詹妮弗·K·怀特 | Repositionable endoluminal support structure and its applications |
| CN203369997U (en) * | 2013-06-27 | 2014-01-01 | 河南科技大学 | Self-stretching support in esophagus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008015257A2 (en) * | 2006-08-02 | 2008-02-07 | Syntach Ag | Luminal implant with large expansion ratio |
| US9814611B2 (en) * | 2007-07-31 | 2017-11-14 | Edwards Lifesciences Cardiaq Llc | Actively controllable stent, stent graft, heart valve and method of controlling same |
| US9566178B2 (en) * | 2010-06-24 | 2017-02-14 | Edwards Lifesciences Cardiaq Llc | Actively controllable stent, stent graft, heart valve and method of controlling same |
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2014
- 2014-06-16 CN CN201410264594.7A patent/CN104000677B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102245129A (en) * | 2008-07-21 | 2011-11-16 | 詹妮弗·K·怀特 | Repositionable endoluminal support structure and its applications |
| CN203369997U (en) * | 2013-06-27 | 2014-01-01 | 河南科技大学 | Self-stretching support in esophagus |
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| Publication number | Publication date |
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| CN104000677A (en) | 2014-08-27 |
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Granted publication date: 20160316 Termination date: 20170616 |