CN103876860B - With the aorta tectorial membrane stent of chimney support supporting pipeline - Google Patents
With the aorta tectorial membrane stent of chimney support supporting pipeline Download PDFInfo
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- CN103876860B CN103876860B CN201410147747.XA CN201410147747A CN103876860B CN 103876860 B CN103876860 B CN 103876860B CN 201410147747 A CN201410147747 A CN 201410147747A CN 103876860 B CN103876860 B CN 103876860B
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- tectorial membrane
- membrane stent
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Abstract
The invention discloses a kind of aorta tectorial membrane stent with chimney support supporting pipeline, comprise main support, at least one is provided with for discharging the supporting pipeline of chimney support in described main support, described supporting pipeline is arranged near main support front end, supporting pipeline is closely fixedly connected with main support inwall, main support wall is provided with the through hole be communicated with supporting pipeline.The aorta tectorial membrane stent of this structure, at least one supporting pipeline reserved in aorta tectorial membrane stent, after aorta tectorial membrane stent release is adherent, then through reserved supporting pipeline release chimney support to important branch Ink vessel transfusing, thus ensure the supply of blood flow of important branch blood vessel.Because this chimney support is released in inside aorta tectorial membrane stent, the adherent of aorta tectorial membrane stent can not be affected, thus effectively can avoid the generation of internal hemorrhage due to trauma, in addition, aorta tectorial membrane stent can not produce compressing to chimney support, and the channel of blood flow cross section effectively avoiding chimney support to be formed diminishes or channel of blood flow obturation.
Description
Technical field
The present invention relates to medical instruments field, be specifically related to a kind of aorta tectorial membrane stent with chimney support supporting pipeline.
Background technology
In the present invention, term " far-end " refers to along one end away from heart of blood flow direction, and " near-end " refers to along one end near heart of blood flow direction.
Along with carrying out of interventional technique, stent applications gets more and more, the abdominal aortic aneurysm at the difficult problem that could can only be solved by conventional surgical techniques or hybridization technique in the past, the dissecting aneurysm at such as aortic arch position and Visceral artery position just can be passed through to discharge aorta tectorial membrane stent now, thus reach therapeutic purposes.At present, in order to not affect the blood supply of important branch blood vessel while isolated cut, usually between aorta tectorial membrane stent and aorta inwall, discharge the channel of blood flow that one or more chimney support forms important branch blood vessel, so just can ensure that aorta tectorial membrane stent can not cover important branch blood vessel again while covering artery dissection cut or abdominal aortic aneurysm chamber.But there are two shortcomings in current this structure: 1) chimney support is between aorta tectorial membrane stent and aorta inwall, causes aorta tectorial membrane stent loosely adherent, causes internal hemorrhage due to trauma to occur; 2) due to aorta tectorial membrane stent elasticity tension, comparatively chimney support is strong, the channel of blood flow cross section that long-time compressing chimney support causes chimney support to be formed diminishes or channel of blood flow obturation, thus affect the blood circulation of important branch blood vessel, cause body region of interest ischemia.
Summary of the invention
In view of this, the object of this invention is to provide a kind of aorta tectorial membrane stent of the band chimney support supporting pipeline that can solve the problem.
The present invention is solved the problem by following technological means: a kind of aorta tectorial membrane stent with chimney support supporting pipeline, comprise main support, at least one is provided with for discharging the supporting pipeline of chimney support in described main support, described supporting pipeline is arranged near main support front end, supporting pipeline is closely fixedly connected with main support inwall, main support wall is provided with the through hole be communicated with supporting pipeline.
Further, described main support is divided into the first support body, the second support body and triframe body, and the two ends of the second support body are rotationally connected with the first support body and triframe body respectively, and the second support body is the structure of indent, supporting pipeline and the second support body inwall compact siro spinning technology.
Further, described supporting pipeline comprise plural section equidistantly report to the leadship after accomplishing a task arrange pipe support and tubulose overlay film.
Further, described through hole and supporting pipeline near-end surrounding position indicate the labelling for para-position.
Further, described pipe support material is the one of niti-shaped memorial alloy, NiTi superelastic alloy, cobalt chromium dynamax and 316L medical stainless steel alloy, and pipe support is ripple struction or braiding structure.
Further, described tubulose covering material is the one of politef, polyesteramine yarn fabric and polypropylene spun fabric.
Further, the radial height of described second support body indent is 6-8 ㎜.
Beneficial effect of the present invention: the aorta tectorial membrane stent of band chimney support supporting pipeline of the present invention, comprise main support, at least one is provided with for discharging the supporting pipeline of chimney support in described main support, described supporting pipeline is arranged near main support front end, supporting pipeline is closely fixedly connected with main support inwall, main support wall is provided with the through hole be communicated with supporting pipeline.The aorta tectorial membrane stent of this structure, at least one supporting pipeline reserved in aorta tectorial membrane stent, after aorta tectorial membrane stent release is adherent, then through reserved supporting pipeline release chimney support to important branch Ink vessel transfusing, thus ensure the supply of blood flow of important branch blood vessel.Because this chimney support is released in inside aorta tectorial membrane stent, the adherent of aorta tectorial membrane stent can not be affected, thus effectively can avoid the generation of internal hemorrhage due to trauma, in addition, aorta tectorial membrane stent can not produce compressing to chimney support, and the channel of blood flow cross section effectively avoiding chimney support to be formed diminishes or channel of blood flow obturation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the present invention is described in detail, as shown in the figure: the aorta tectorial membrane stent of this band chimney support supporting pipeline, comprise main support 1, at least one is provided with for discharging the supporting pipeline 2 of chimney support in described main support, described supporting pipeline 2 is arranged near main support 1 front end, supporting pipeline 2 near-end surrounding position is provided with labelling 3, and when discharging for chimney support, seal wire passes through.Supporting pipeline 2 is closely fixedly connected with main support 1 inwall, main support wall is provided with the through hole 1d be communicated with supporting pipeline, described through hole 1d surrounding position is also provided with labelling 3, main support is made up of metallic framework and the overlay film be coated on outside metallic framework, during operation, first the imaging examinations such as CT angiography are carried out to aortic aneurysm patient, obtain the precise information of aortic aneurysm, then accordingly select or customization bore and length be applicable to aorta tectorial membrane stent, then the minimal incision * that 3cm is long is done at groin position, under X-ray examination monitors, through femoral artery, support is delivered to pathological changes aorta position by corresponding induction system, under the help of through hole surrounding labelling, make through-hole alignment important branch blood vessel or be in important branch near vessels, then main support is discharged in conduit.Main support after release is flared to original bore, and under the elastic force effect of main support own, be attached on aorta tube wall and cover aortic disease part, overlay film manufactures the blood channel made new advances in lesion vessels, after treating main support release, discharge chimney support to important branch Ink vessel transfusing through reserved supporting pipeline again, thus ensure the supply of blood flow of important branch blood vessel.
As the further improvement of technique scheme, described main support is divided into the first support body 1a, second support body 1b and triframe body 1c, the two ends of the second support body 1b are rotationally connected with the first support body 1a and triframe body 1c respectively, second support body 1b is the structure of indent, supporting pipeline 2 and the second support body 1b inwall compact siro spinning technology, the radial height of described second support body indent is 6-8 ㎜, after treating main support release, first support body 1a and triframe body 1c is attached on aorta wall, second support body 1b is not attached on aorta wall, second support body 1b can rotate relative to the first support body 1a and triframe body 1c, in the process of release chimney support, second support body can finely tune certain angle, be convenient to the position adjusting through hole, make its rapid alignment important branch blood vessel or be in important branch near vessels, improve the efficiency of operation, reduce operation risk.
As the further improvement of technique scheme, described supporting pipeline 2 comprise plural section equidistantly report to the leadship after accomplishing a task arrange pipe support 2a and tubulose overlay film 2b, described pipe support 2a material is the one of niti-shaped memorial alloy, NiTi superelastic alloy, cobalt chromium dynamax and 316L medical stainless steel alloy, pipe support is ripple struction or braiding structure, described tubulose overlay film 2b material is the one of politef, polyesteramine yarn fabric and polypropylene spun fabric, supporting pipeline adopts pipe support and tubulose overlay film to report to the leadship after accomplishing a task the structure of arranging, supporting pipeline is made to have certain decrement, convenient operation.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. the aorta tectorial membrane stent with chimney support supporting pipeline, comprise main support (1), it is characterized in that: be provided with at least one in described main support for discharging the supporting pipeline (2) of chimney support, described supporting pipeline (2) is arranged near main support front end, supporting pipeline is closely fixedly connected with main support inwall, main support wall is provided with the through hole (1d) be communicated with supporting pipeline, described supporting pipeline comprise plural section equidistantly report to the leadship after accomplishing a task arrange pipe support (2a) and tubulose overlay film (2b).
2. the aorta tectorial membrane stent of band chimney support supporting pipeline according to claim 1, it is characterized in that: described main support is divided into the first support body (1a), the second support body (1b) and triframe body (1c), the two ends of the second support body (1b) are rotationally connected with the first support body (1a) and triframe body (1c) respectively, second support body is the structure of indent, supporting pipeline (2) and the second support body inwall compact siro spinning technology.
3. the aorta tectorial membrane stent of band chimney support supporting pipeline according to claim 2, is characterized in that: described through hole (1d) and supporting pipeline (2) near-end surrounding position indicate the labelling (3) for para-position.
4. the aorta tectorial membrane stent of band chimney support supporting pipeline according to claim 3, it is characterized in that: described pipe support (2a) material is the one of niti-shaped memorial alloy, NiTi superelastic alloy, cobalt chromium dynamax and 316L medical stainless steel alloy, pipe support (2a) is in ripple struction or braiding structure.
5. the aorta tectorial membrane stent of band chimney support supporting pipeline according to claim 4, is characterized in that: described tubulose overlay film (2b) material is the one of politef, polyesteramine yarn fabric and polypropylene spun fabric.
6. the aorta tectorial membrane stent of band chimney support supporting pipeline according to claim 2, is characterized in that: the radial height of described second support body (1b) indent is 6-8 ㎜.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410147747.XA CN103876860B (en) | 2014-04-14 | 2014-04-14 | With the aorta tectorial membrane stent of chimney support supporting pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410147747.XA CN103876860B (en) | 2014-04-14 | 2014-04-14 | With the aorta tectorial membrane stent of chimney support supporting pipeline |
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| Publication Number | Publication Date |
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| CN103876860A CN103876860A (en) | 2014-06-25 |
| CN103876860B true CN103876860B (en) | 2016-04-06 |
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| CN201410147747.XA Expired - Fee Related CN103876860B (en) | 2014-04-14 | 2014-04-14 | With the aorta tectorial membrane stent of chimney support supporting pipeline |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2675177T3 (en) | 2011-11-11 | 2018-07-09 | Bolton Medical, Inc. | Universal endovascular grafts |
| ES2731434T3 (en) | 2014-09-23 | 2019-11-15 | Bolton Medical Inc | Vascular repair devices |
| CN105832446B (en) * | 2015-01-14 | 2018-08-24 | 微创心脉医疗科技（上海）有限公司 | Overlay film frame, overlay film frame system and its application method |
| WO2017176730A1 (en) | 2016-04-05 | 2017-10-12 | Bolton Medical, Inc. | Stent graft with internal tunnels and fenestrations and methods of use |
| CN109152639B (en) * | 2016-05-25 | 2022-03-29 | 波顿医疗公司 | Stent grafts and methods of use for treating aneurysms |
| CN109717986B (en) * | 2017-10-31 | 2021-07-02 | 上海微创心脉医疗科技股份有限公司 | Branch type tectorial membrane support and branch type tectorial membrane support system |
| CN110495969B (en) * | 2019-09-17 | 2022-12-20 | 侯红军 | Aortic arch-thoracic aorta slideway regulation and control pre-windowing covered stent |
| CN114504413B (en) * | 2022-01-19 | 2023-08-15 | 四川大学华西医院 | Implantable medical device and implantable medical device kit |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6129756A (en) * | 1998-03-16 | 2000-10-10 | Teramed, Inc. | Biluminal endovascular graft system |
| US6814752B1 (en) * | 2000-03-03 | 2004-11-09 | Endovascular Technologies, Inc. | Modular grafting system and method |
| US20030130720A1 (en) * | 2002-01-08 | 2003-07-10 | Depalma Donald F. | Modular aneurysm repair system |
| US20050033406A1 (en) * | 2003-07-15 | 2005-02-10 | Barnhart William H. | Branch vessel stent and graft |
| JP5264907B2 (en) * | 2007-08-08 | 2013-08-14 | ザ クリーブランド クリニック ファウンデイション | Endovascular prosthetic device and endovascular prosthetic system using the same |
| AU2010201067B1 (en) * | 2010-03-19 | 2011-06-09 | Cook Incorporated | Thoracic stent graft |
| CN102370528A (en) * | 2010-08-09 | 2012-03-14 | 郭伟 | Bracket type blood vessel |
| CN102379757B (en) * | 2011-04-27 | 2014-04-09 | 郭伟 | Stent-type blood vessel for intracavity treatment of complex abdominal aortic aneurysm |
| CN202207217U (en) * | 2011-04-27 | 2012-05-02 | 郭伟 | Stent-graft for therapy in complex abdominal aortic aneurysm cavity |
| CN102488575A (en) * | 2011-11-11 | 2012-06-13 | 许尚栋 | Aortic windowing stent |
| CN203354689U (en) * | 2012-02-10 | 2013-12-25 | 王宏飞 | Multiple-cavity artery covered stent |
| CN202950795U (en) * | 2012-12-21 | 2013-05-29 | 陈宏伟 | Aortic arch covered stent type vascular graft |
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- 2014-04-14 CN CN201410147747.XA patent/CN103876860B/en not_active Expired - Fee Related
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| CN103876860A (en) | 2014-06-25 |
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