CN103876860A - Aorta covered stent with chimney stent supporting pipe - Google Patents
Aorta covered stent with chimney stent supporting pipe Download PDFInfo
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- CN103876860A CN103876860A CN201410147747.XA CN201410147747A CN103876860A CN 103876860 A CN103876860 A CN 103876860A CN 201410147747 A CN201410147747 A CN 201410147747A CN 103876860 A CN103876860 A CN 103876860A
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- stent
- support
- chimney
- pipeline
- tectorial membrane
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Abstract
The invention discloses an aorta covered stent with a chimney stent supporting pipe. The aorta covered stent comprises a main stent, at least one supporting pipe for releasing a chimney stent is arranged in the main stent, arranged close to the front end of the main stent and tightly and fixedly connected with the inner wall of the main stent, and the wall of the main stent is provided with a through hole communicated with the supporting pipe. By means of the aorta covered stent of the structure, the at least one supporting pipe is reserved in the aorta covered stent, after the aorta covered stent is released and attached to the wall, the chimney stent is then released by the reserved supporting pipe into important branch blood vessels, and blood flow supplying to the important branch blood vessels is accordingly guaranteed. Due to the fact that the chimney stent is released to the inner side of the aorta covered stent, wall attaching of the aorta covered stent cannot be influenced, and inner leakage can be accordingly and effectively avoided; in addition, the aorta covered stent cannot press the chimney stent, and decreasing of cross sections of blood flow channels or blocking of the blood flow channels formed by the chimney stent can be effectively avoided.
Description
Technical field
The present invention relates to medical instruments field, be specifically related to a kind of aorta tectorial membrane stent with chimney stent support pipeline.
Background technology
In the present invention, term " far-end " refers to one end away from heart along blood flow direction, and " near-end " refers to one end near heart along blood flow direction.
Along with carrying out of interventional technique, stent applications is more and more, a difficult problem, the dissecting aneurysm at for example aortic arch position and the abdominal aortic aneurysm at Visceral artery position that can only could solve by conventional surgical technology or hybridization technique in the past just can be passed through to discharge aorta tectorial membrane stent now, thereby reaches therapeutic purposes.At present, in order not affect the blood supply of important branch blood vessel in isolated cut, conventionally between aorta tectorial membrane stent and aorta inwall, discharge the channel of blood flow that one or more chimney supports form important branch blood vessel, so just can ensure that aorta tectorial membrane stent can not cover again important branch blood vessel when covering artery dissection cut or abdominal aortic aneurysm chamber.But current this structure exists two shortcomings: 1) chimney support, between aorta tectorial membrane stent and aorta inwall, causes aorta tectorial membrane stent adherent not firm, cause internal hemorrhage due to trauma to occur; 2) because aorta tectorial membrane stent elasticity tension is strong compared with chimney support, the channel of blood flow cross section that long-time compressing chimney support causes chimney support to form diminishes or channel of blood flow obturation, thereby 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 with chimney stent support pipeline that can address the above problem.
The present invention addresses the above problem by following technological means: a kind of aorta tectorial membrane stent with chimney stent support pipeline, comprise main support, in described main support, be provided with at least one for discharging the supporting pipeline of chimney support, described supporting pipeline arranges near main support front end, supporting pipeline is closely fixedly connected with main support inwall, is provided with the through hole being communicated with supporting pipeline on main support wall.
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, the structure that the second support body is indent, and supporting pipeline is closely connected with the second support body inwall.
Further, described supporting pipeline comprises plural section of pipe support and the tubulose overlay film of equidistantly reporting to the leadship after accomplishing a task and arranging.
Further, described through hole and supporting pipeline near-end surrounding position indicate the labelling for para-position.
Further, described pipe support material is the super one that plays alloy, cobalt chromium dynamax and 316L medical stainless steel alloy of niti-shaped memorial alloy, NiTi, 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 the second support body indent is 6-8 ㎜.
Beneficial effect of the present invention: the aorta tectorial membrane stent with chimney stent support pipeline of the present invention, comprise main support, in described main support, be provided with at least one for discharging the supporting pipeline of chimney support, described supporting pipeline arranges near main support front end, supporting pipeline is closely fixedly connected with main support inwall, is provided with the through hole being communicated with supporting pipeline on main support wall.The aorta tectorial membrane stent of this structure, reserved at least one supporting pipeline in aorta tectorial membrane stent, after aorta tectorial membrane stent release is adherent, then discharge chimney support to important branch blood vessel through reserved supporting pipeline, thereby ensure the supply of blood flow of important branch blood vessel.Because this chimney support is to be released in aorta tectorial membrane stent inner side, can not affect the adherent of aorta tectorial membrane stent, thereby can effectively 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 that can effectively avoid chimney support to form diminishes or channel of blood flow obturation.
Brief description of the drawings
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: this aorta tectorial membrane stent with chimney stent support pipeline, comprise main support 1, in described main support, be provided with at least one for discharging the supporting pipeline 2 of chimney support, described supporting pipeline 2 is near main support 1 front end setting, supporting pipeline 2 near-end surrounding positions are provided with labelling 3, and while release for chimney support, seal wire passes through.Supporting pipeline 2 is closely fixedly connected with main support 1 inwall, on main support wall, be provided with the through hole 1d being 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 being coated on outside metallic framework, when operation, first aortic aneurysm patient is carried out the imaging examinations such as CT angiography, obtain the precise information of aortic aneurysm, then select accordingly or customization bore and the applicable aorta tectorial membrane stent of length, then do the long little otch of 3cm 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 near important branch blood vessel, 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 to and on aorta tube wall, cover aortic disease part, overlay film is manufactured the blood channel making new advances in lesion vessels, after treating that main support discharges, discharge chimney support to important branch blood vessel through reserved supporting pipeline again, thereby 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, 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, the structure that the second support body 1b is indent, supporting pipeline 2 is closely connected with the second support body 1b inwall, the radial height of described the second support body indent is 6-8 ㎜, after treating that main support discharges, the first support body 1a and triframe body 1c are attached on aorta wall, the second support body 1b is not attached on aorta wall, the second support body 1b can rotate relative to the first support body 1a and triframe body 1c, in the process of release chimney support, the second support body can be finely tuned certain angle, be convenient to adjust the position of through hole, make its rapid alignment important branch blood vessel or be near important branch blood vessel, improve the efficiency of operation, reduce operation risk.
As the further improvement of technique scheme, described supporting pipeline 2 comprises plural section of the pipe support 2a and the tubulose overlay film 2b that equidistantly report to the leadship after accomplishing a task and arrange, described pipe support 2a material is the super one that plays alloy, cobalt chromium dynamax and 316L medical stainless steel alloy of niti-shaped memorial alloy, NiTi, 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 the tubulose overlay film structure of arranging of reporting to the leadship after accomplishing a task, make supporting pipeline have certain decrement, convenient operation.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (7)
1. the aorta tectorial membrane stent with chimney stent support pipeline, comprise main support (1), it is characterized in that: in described main support, be provided with at least one for discharging the supporting pipeline (2) of chimney support, described supporting pipeline (2) arranges near main support front end, supporting pipeline is closely fixedly connected with main support inwall, is provided with the through hole (1d) being communicated with supporting pipeline on main support wall.
2. the aorta tectorial membrane stent with chimney stent support 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, the second support body is the structure of indent, and supporting pipeline (2) is closely connected with the second support body inwall.
3. according to the aorta tectorial membrane stent with chimney stent support pipeline described in claim 1-2 any one, it is characterized in that: described supporting pipeline comprises plural section of pipe support (2a) and the tubulose overlay film (2b) of equidistantly reporting to the leadship after accomplishing a task and arranging.
4. the aorta tectorial membrane stent with chimney stent support pipeline according to claim 3, is characterized in that: described through hole (1d) and supporting pipeline (2) near-end surrounding position indicate the labelling (3) for para-position.
5. the aorta tectorial membrane stent with chimney stent support pipeline according to claim 4, it is characterized in that: described pipe support (2a) material is the super one that plays alloy, cobalt chromium dynamax and 316L medical stainless steel alloy of niti-shaped memorial alloy, NiTi, and pipe support (2a) is ripple struction or braiding structure.
6. the aorta tectorial membrane stent with chimney stent support pipeline according to claim 5, is characterized in that: described tubulose overlay film (2b) material is the one of politef, polyesteramine yarn fabric and polypropylene spun fabric.
7. the aorta tectorial membrane stent with chimney stent support pipeline according to claim 2, is characterized in that: the radial height of described the 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 |
|---|---|---|---|
| CN201410147747.XA CN103876860B (en) | 2014-04-14 | 2014-04-14 | With the aorta tectorial membrane stent of chimney support supporting pipeline |
Publications (2)
| Publication Number | Publication Date |
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| CN103876860A true CN103876860A (en) | 2014-06-25 |
| CN103876860B 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832446A (en) * | 2015-01-14 | 2016-08-10 | 微创心脉医疗科技（上海）有限公司 | Covered stent, covered stent system and use method thereof |
| CN109069259A (en) * | 2016-04-05 | 2018-12-21 | 波顿医疗公司 | Structural transplantation part and its application method with inner passage and perforation |
| CN109152639A (en) * | 2016-05-25 | 2019-01-04 | 波顿医疗公司 | Stent graft and for treating aneurysmal application method |
| CN109717986A (en) * | 2017-10-31 | 2019-05-07 | 上海微创心脉医疗科技股份有限公司 | A kind of branched membrane-covered support and branched membrane-covered support system |
| CN110495969A (en) * | 2019-09-17 | 2019-11-26 | 侯红军 | The arch of aorta-pre- windowing the overlay film frame of aorta pectoralis slideway regulation |
| US11065100B2 (en) | 2014-09-23 | 2021-07-20 | Bolton Medical, Inc. | Vascular repair devices and methods of use |
| CN114504413A (en) * | 2022-01-19 | 2022-05-17 | 四川大学华西医院 | Implantable medical device and implantable medical device kit |
| US11446167B2 (en) | 2011-11-11 | 2022-09-20 | Bolton Medical, Inc. | Universal endovascular grafts |
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| US20050033406A1 (en) * | 2003-07-15 | 2005-02-10 | Barnhart William H. | Branch vessel stent and graft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11446167B2 (en) | 2011-11-11 | 2022-09-20 | Bolton Medical, Inc. | Universal endovascular grafts |
| US11065100B2 (en) | 2014-09-23 | 2021-07-20 | Bolton Medical, Inc. | Vascular repair devices and methods of use |
| US11918451B2 (en) | 2014-09-23 | 2024-03-05 | Bolton Medical, Inc. | Vascular repair devices and methods of use |
| CN105832446A (en) * | 2015-01-14 | 2016-08-10 | 微创心脉医疗科技（上海）有限公司 | Covered stent, covered stent system and use method thereof |
| CN109069259A (en) * | 2016-04-05 | 2018-12-21 | 波顿医疗公司 | Structural transplantation part and its application method with inner passage and perforation |
| US11154392B2 (en) | 2016-04-05 | 2021-10-26 | Bolton Medical, Inc. | Stent graft with internal tunnels and fenestrations and methods of use |
| US11395750B2 (en) | 2016-05-25 | 2022-07-26 | Bolton Medical, Inc. | Stent grafts and methods of use for treating aneurysms |
| CN109152639A (en) * | 2016-05-25 | 2019-01-04 | 波顿医疗公司 | Stent graft and for treating aneurysmal application method |
| 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 |
| CN109717986A (en) * | 2017-10-31 | 2019-05-07 | 上海微创心脉医疗科技股份有限公司 | A kind of branched membrane-covered support and branched membrane-covered support system |
| CN110495969A (en) * | 2019-09-17 | 2019-11-26 | 侯红军 | The arch of aorta-pre- windowing the overlay film frame of aorta pectoralis slideway regulation |
| CN110495969B (en) * | 2019-09-17 | 2022-12-20 | 侯红军 | Aortic arch-thoracic aorta slideway regulation and control pre-windowing covered stent |
| CN114504413A (en) * | 2022-01-19 | 2022-05-17 | 四川大学华西医院 | Implantable medical device and implantable medical device kit |
| CN114504413B (en) * | 2022-01-19 | 2023-08-15 | 四川大学华西医院 | Implantable medical device and implantable medical device kit |
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| CN103876860B (en) | 2016-04-06 |
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