CN203059974U - Intracranial self-expandable segmentally-covered braided stent - Google Patents
Intracranial self-expandable segmentally-covered braided stent Download PDFInfo
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- CN203059974U CN203059974U CN 201320036422 CN201320036422U CN203059974U CN 203059974 U CN203059974 U CN 203059974U CN 201320036422 CN201320036422 CN 201320036422 CN 201320036422 U CN201320036422 U CN 201320036422U CN 203059974 U CN203059974 U CN 203059974U
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- support
- intracranial
- stent
- braided
- braided stent
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- 238000007917 intracranial administration Methods 0.000 title claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 15
- 230000004087 circulation Effects 0.000 claims description 3
- 210000004204 blood vessel Anatomy 0.000 abstract description 12
- 210000001367 artery Anatomy 0.000 abstract description 6
- 208000007536 Thrombosis Diseases 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 208000031238 Intracranial haemangioma Diseases 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract 2
- 210000002489 tectorial membrane Anatomy 0.000 abstract 2
- 238000009954 braiding Methods 0.000 abstract 1
- 206010002329 Aneurysm Diseases 0.000 description 27
- 206010028980 Neoplasm Diseases 0.000 description 15
- 210000003739 neck Anatomy 0.000 description 9
- 201000008450 Intracranial aneurysm Diseases 0.000 description 6
- 230000017531 blood circulation Effects 0.000 description 6
- 238000002560 therapeutic procedure Methods 0.000 description 5
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 4
- 229910001000 nickel titanium Inorganic materials 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 208000005189 Embolism Diseases 0.000 description 3
- 208000001435 Thromboembolism Diseases 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 210000001627 cerebral artery Anatomy 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 230000001225 therapeutic effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000549343 Myadestes Species 0.000 description 1
- 208000032851 Subarachnoid Hemorrhage Diseases 0.000 description 1
- 206010042674 Swelling Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 210000003017 ductus arteriosus Anatomy 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007918 pathogenicity Effects 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of medical instruments, particularly to an intracranial self-expandable segmentally-covered braided stent which comprises a braided stent and is characterized in that the intracranial self-expandable segmentally-covered braided stent is provided with a stent tectorial membrane; the braided stent is a tubular meshed stent which is formed by circularly braiding an alloy wire in such a manner that the two ends of the alloy wire respectively wind toward each other in axial and radial directions in an interlacing manner; the parts of the alloy wire, which are on two end surfaces of the braided stent are arc-shaped so as to avoid puncturing intracranial vessels; the stent tectorial membrane covers the middle cylindrical surface of the braided stent so as to avoid impact on an intracranial hemangioma caused by bloodstream, and meanwhile, prevent a spring ring filled in an aneurism cavity from protruding and blockading an artery blood vessel to achieve the functions of accelerating thrombosis and the growth of an inner membrane and enabling an aneurism to completely and more quickly close. The intracranial self-expandable segmentally-covered braided stent has the advantages that the structure is simple, the effect of adhesion to the inner wall of a blood vessel is good, the operation time is saved, and the growth rate of the inner membrane is high.
Description
Technical field
This utility model relates to technical field of medical instruments, specifically a kind of self-expanding stage overlay film braided support for the entocranial artery blood vessel.
Background technology
So-called aneurysm refers to that arterial wall because of outwards bulging of local patholoic change (can because of weakness or structural deterioration), forms nonvolatil limitation expansion.Aneurysm is owing to the weak a kind of permanent swelling disease that takes place of ductus arteriosus wall.Aneurysm can form at any position, but the modal place of aneurysm takes place, and is at cerebral arteries, and intracranial aneurysm is the cerebrovascular disease of a kind of high pathogenicity rate and high fatality rate, is the main cause of subarachnoid hemorrhage.Surgical operation double wall and vascular interventional treatment are two kinds of main modes of intracranial aneurysm treatment, and the intracranial aneurysm interventional therapy becomes the first-selected therapeutic scheme of a lot of hospitalizes because wound is little, safe, postoperative heals characteristics such as good.At present, the mode of clinical interventional therapy intracranial aneurysm is intracranial thromboembolism turn substantially, turn product G DC is taken off in nineteen ninety-five first electrolysis of drugs approved by FDA, clinical use through more than 10 years, proved the effectiveness of thromboembolism turn in interventional therapy intracranial aneurysm disease, but in clinical use, be in the problem that much can't resolve, not exclusively cause aneurysm logical again such as filling, excessively filling causes aneurysm rupture, problems such as the outstanding aneurysm tumor neck of turn, development along with interventional technique, support secondary spring circle thromboembolism entocranial artery technology occurs, be released in tumor neck place by support, retracting spring circle in aneurysm, support is played a supporting role, can stop turn to give prominence to aneurysm again, but existing support is such as stryker company " NEUROFORM " support, " solitaire " support of EV3 Company, all be that the Nitinol pipe forms by cut, become open loop structure between mesh and the mesh, radial support power is little, in the tortuous arteries of intracranial, particularly the corner discharges and can form " fish scale " shape, projection such as " sawtooth " shape and recessed outstanding, can't well paste blood vessel, be easy to cause the support displacement, puncture problems such as blood vessel, do not reach therapeutic purposes.In view of the design limitation with upper bracket, need design to invent more preferably intracranial stent system.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, paste blood vessel effective, save operating time, inner membrance growth rate fast, make the aneurysm intracranial self-expanding stage overlay film braided support of complete obturation faster.
The technical scheme that its technical problem that solves this utility model adopts is:
A kind of intracranial self-expanding stage overlay film braided support, comprise braided support, it is characterized in that being provided with the support overlay film, described braided support be by a nitinol alloy wire or cochrome silk two ends respectively by an end rise to the other end vertically and radially mutually crossed loops around and the circulation webmaster shape support of working out, cylindrical in the middle of the braided support, the two ends flare, make between the mesh of braided support and the mesh and form closed-loop structure, increased the radial support power at two ends, the alloy silk of braided support both ends of the surface is curved, avoid puncturing intracranial vessel, the cylindrical surface of braided support is covered with the support overlay film, avoid blood flow that intracranial angioma is impacted, the turn of filling of avoiding aneurysm tumor intracavity simultaneously outstanding and and the retardance arteries, reach acceleration thrombosis, accelerate the inner membrance growth rate, make the aneurysm effect of complete obturation faster.
Diameter of alloy wire described in the utility model can be in the 0.03-0.1mm scope, and the diameter of braided support can to guarantee the normal blood flow of intracranial, prevent that simultaneously braided support is at the blood vessel internal shift in 2.5-5.5 mm scope.
This utility model is owing to adopt said structure, have simple in structure, paste blood vessel effective, save advantages such as operating time, inner membrance growth rate be fast.
Description of drawings
Fig. 1 is the sketch map of intracranial self-expanding stage overlay film braided support.
Fig. 2 is intracranial self-expanding stage overlay film braided support shutoff aneurysm tumor neck sketch map.
Fig. 3 is intracranial self-expanding stage overlay film braided support and turn shutoff aneurysm sketch map.
The specific embodiment:
Below in conjunction with accompanying drawing this utility model is further specified:
As shown in drawings, a kind of intracranial self-expanding stage overlay film braided support, comprise braided support 1, it is characterized in that being provided with support overlay film 2, described braided support 1 is by a nitinol alloy wire or cochrome silk 5 two ends 3,4 respectively by an end rise to the other end by axially and radially mutually crossed loops around and the circulation webmaster shape support of working out, cylindrical in the middle of the braided support 1, the two ends flare, make between the mesh of braided support 1 and the mesh and form closed-loop structure, increased the radial support power at two ends, the alloy silk of braided support 1 both ends of the surface is curved, avoid puncturing intracranial vessel, the cylindrical surface interlude of braided support 1 is covered with support overlay film 2, make this form the overlay film frame section in stage, avoid blood flow that intracranial angioma is impacted, the turn of avoiding the filling of aneurysm tumor intracavity simultaneously outstanding and and the retardance arteries, reach acceleration thrombosis, accelerate the inner membrance growth rate, make the aneurysm effect of complete obturation faster.
The diameter of alloy silk 5 described in the utility model can be in the 0.03-0.1mm scope, and the diameter of braided support 1 can to guarantee the normal blood flow of intracranial, prevent that simultaneously braided support 1 is at the blood vessel internal shift in 2.5-5.5 mm scope.
Manufacturing process: the structure that has shown an intracranial self-expanding stage overlay film braided support with reference to figure 1, braided support 1 is to be woven on the special mould by the nitinol alloy wire of very thin (0.03-0.1mm) or cochrome silk monofilament, according to the cerebral arteries diameter, braided support 1 diameter is chosen as 2.5 mm, forms the self-expanding braided support of band memory function in 1-30 minute through 350-550 degree high-temperature shaping; The braided support 1 that typing is finished is put into film covering solution (polyurethane or politef), choose and treat overlay film length, drying baker baking 10 minutes is put in taking-up, alloy silk two ends 3 and 4 is cut off at support overlay film edge, form support overlay film section 2, Here it is complete intracranial self-expanding stage overlay film braided support.
Embodiment 1: during interventional therapy, intracranial self-expanding stage overlay film braided support is contained in the delivery conduit 10 in advance, be transported near the aneurysm 7 tumor necks by seal wire 9 intravascular 8, under perspective, determine the position and support overlay film section 2 is released in 7 aneurysm tumor neck places according to alloy silk 3 and 4, by support overlay film section 2 shutoff aneurysms 7 tumor necks, form reconstructing blood vessel, blood flow will can not impact aneurysm 7 tumor chambeies in the blood vessel 8, until climbing full entire bracket overlay film section 2, aneurysm is entirely shut through inner membrance growth after a while.
Embodiment 2: during interventional therapy, with reference to figure 3, intracranial self-expanding stage overlay film braided support is contained in the delivery conduit 10 in advance, be transported near the aneurysm 7 tumor necks by seal wire 9 intravascular 8, at first in aneurysm 7 tumor chambeies, discharge several turns 11, the perspective under according to 3 platinum wires, 4 platinum wires determine that the position is released in aneurysm 7 tumor neck places with 2 support overlay film sections, by support overlay film section 2 shutoff aneurysms 7 tumor necks, form reconstructing blood vessel, blood flow will can not impact aneurysm 7 tumor chambeies in the blood vessel 8, turn 11 can cause that cell effect causes thrombosis in aneurysm 7 tumor chambeies, accelerating inner membrance increases, until climbing full entire bracket overlay film section 2, aneurysm is entirely shut through inner membrance growth after a while.
This utility model is owing to adopt said structure, have simple in structure, paste blood vessel effective, save advantages such as operating time, inner membrance growth rate be fast.
Claims (2)
1. intracranial self-expanding stage overlay film braided support, comprise braided support, it is characterized in that being provided with the support overlay film, described braided support be by an alloy silk two ends respectively by an end rise to the other end by axially and radially mutually crossed loops around and the circulation webmaster shape support of working out, cylindrical in the middle of the braided support, the two ends flare, make between the mesh of braided support and the mesh and form closed-loop structure, the alloy silk of braided support both ends of the surface is curved, and the cylindrical surface of braided support is covered with the support overlay film.
2. a kind of intracranial self-expanding stage overlay film braided support according to claim 1 is characterized in that described diameter of alloy wire in the 0.03-0.1mm scope, and the diameter of braided support is in 2.5-5.5 mm scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320036422 CN203059974U (en) | 2013-01-24 | 2013-01-24 | Intracranial self-expandable segmentally-covered braided stent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320036422 CN203059974U (en) | 2013-01-24 | 2013-01-24 | Intracranial self-expandable segmentally-covered braided stent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203059974U true CN203059974U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320036422 Expired - Lifetime CN203059974U (en) | 2013-01-24 | 2013-01-24 | Intracranial self-expandable segmentally-covered braided stent |
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| Country | Link |
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| CN (1) | CN203059974U (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104274257A (en) * | 2014-09-19 | 2015-01-14 | 深圳市人民医院 | Nanometer electrospinning fiber stent for intravascular interventional therapy of intracranial aneurysm |
| CN104398317A (en) * | 2014-12-02 | 2015-03-11 | 刘艳 | Etching bracket for endovascular treatment of intracranial aneurysm and operation method thereof |
| CN104434353A (en) * | 2014-12-04 | 2015-03-25 | 曾延华 | Electronic detaching and etching covered stent for treatment of intracranial aneurysm and operation method thereof |
| CN105943107A (en) * | 2016-05-26 | 2016-09-21 | 高不郎 | A stent for blocking arterial aneurysm of an initial part of an arterial branch and application thereof |
| CN106175981A (en) * | 2016-03-04 | 2016-12-07 | 上海沐春投资管理有限公司 | A kind of part band film intravenous type support |
| CN106344210A (en) * | 2016-11-17 | 2017-01-25 | 浙江归创医疗器械有限公司 | Medicine-applying filming support |
| CN107518967A (en) * | 2016-06-21 | 2017-12-29 | 谷涌泉 | A kind of Tectorial stent transporter |
| CN107951594A (en) * | 2017-12-16 | 2018-04-24 | 北京久事神康医疗科技有限公司 | A kind of encephalic overlay film frame |
| CN109199636A (en) * | 2018-11-07 | 2019-01-15 | 北京市神经外科研究所 | Overlay film compound rest |
| CN110013372A (en) * | 2013-09-13 | 2019-07-16 | 雅培心血管系统有限公司 | Work out support frame |
| CN110584849A (en) * | 2019-10-14 | 2019-12-20 | 江苏诺瑞思医疗器械有限公司 | Shape memory alloy coated anchor bracket and manufacturing method thereof |
| CN113367863A (en) * | 2020-03-09 | 2021-09-10 | 微创神通医疗科技（上海）有限公司 | Medical stent and weaving method |
| CN113693799A (en) * | 2021-06-01 | 2021-11-26 | 上海苏畅医疗科技有限公司 | Auxiliary spring ring support |
| CN113925555A (en) * | 2021-10-22 | 2022-01-14 | 上海心玮医疗科技股份有限公司 | Adjustable plugging device and conveying system |
| CN114129217A (en) * | 2021-12-31 | 2022-03-04 | 江苏暖阳医疗器械有限公司 | Aneurysm internal blocking device of tectorial membrane |
| CN115068164A (en) * | 2022-06-14 | 2022-09-20 | 成都百瑞恒通医疗科技有限公司 | Blood vessel support and manufacturing method thereof |
| CN115120385A (en) * | 2021-12-23 | 2022-09-30 | 聚辉医疗科技(深圳)有限公司 | Dense mesh bracket |
| WO2023020353A1 (en) * | 2021-08-16 | 2023-02-23 | 神途医疗科技(上海)有限公司 | Medical stent |
| CN116370008A (en) * | 2023-04-24 | 2023-07-04 | 上海励楷科技有限公司 | Multi-pitch woven support |
-
2013
- 2013-01-24 CN CN 201320036422 patent/CN203059974U/en not_active Expired - Lifetime
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013372A (en) * | 2013-09-13 | 2019-07-16 | 雅培心血管系统有限公司 | Work out support frame |
| CN104274257A (en) * | 2014-09-19 | 2015-01-14 | 深圳市人民医院 | Nanometer electrospinning fiber stent for intravascular interventional therapy of intracranial aneurysm |
| CN104398317B (en) * | 2014-12-02 | 2017-02-08 | 深圳市人民医院 | Etching bracket for endovascular treatment of intracranial aneurysm |
| CN104398317A (en) * | 2014-12-02 | 2015-03-11 | 刘艳 | Etching bracket for endovascular treatment of intracranial aneurysm and operation method thereof |
| CN104434353A (en) * | 2014-12-04 | 2015-03-25 | 曾延华 | Electronic detaching and etching covered stent for treatment of intracranial aneurysm and operation method thereof |
| CN106175981A (en) * | 2016-03-04 | 2016-12-07 | 上海沐春投资管理有限公司 | A kind of part band film intravenous type support |
| CN105943107A (en) * | 2016-05-26 | 2016-09-21 | 高不郎 | A stent for blocking arterial aneurysm of an initial part of an arterial branch and application thereof |
| CN107518967A (en) * | 2016-06-21 | 2017-12-29 | 谷涌泉 | A kind of Tectorial stent transporter |
| CN107518967B (en) * | 2016-06-21 | 2024-04-19 | 谷涌泉 | Tectorial membrane support conveyer |
| CN106344210A (en) * | 2016-11-17 | 2017-01-25 | 浙江归创医疗器械有限公司 | Medicine-applying filming support |
| CN107951594A (en) * | 2017-12-16 | 2018-04-24 | 北京久事神康医疗科技有限公司 | A kind of encephalic overlay film frame |
| CN109199636A (en) * | 2018-11-07 | 2019-01-15 | 北京市神经外科研究所 | Overlay film compound rest |
| CN110584849A (en) * | 2019-10-14 | 2019-12-20 | 江苏诺瑞思医疗器械有限公司 | Shape memory alloy coated anchor bracket and manufacturing method thereof |
| CN113367863A (en) * | 2020-03-09 | 2021-09-10 | 微创神通医疗科技（上海）有限公司 | Medical stent and weaving method |
| CN113367863B (en) * | 2020-03-09 | 2024-02-02 | 神途医疗科技(上海)有限公司 | Medical support and braiding method |
| CN113693799A (en) * | 2021-06-01 | 2021-11-26 | 上海苏畅医疗科技有限公司 | Auxiliary spring ring support |
| WO2023020353A1 (en) * | 2021-08-16 | 2023-02-23 | 神途医疗科技(上海)有限公司 | Medical stent |
| CN113925555A (en) * | 2021-10-22 | 2022-01-14 | 上海心玮医疗科技股份有限公司 | Adjustable plugging device and conveying system |
| CN113925555B (en) * | 2021-10-22 | 2023-09-22 | 上海心玮医疗科技股份有限公司 | Adjustable plugging device and conveying system |
| CN115120385A (en) * | 2021-12-23 | 2022-09-30 | 聚辉医疗科技(深圳)有限公司 | Dense mesh bracket |
| CN114129217A (en) * | 2021-12-31 | 2022-03-04 | 江苏暖阳医疗器械有限公司 | Aneurysm internal blocking device of tectorial membrane |
| CN115068164A (en) * | 2022-06-14 | 2022-09-20 | 成都百瑞恒通医疗科技有限公司 | Blood vessel support and manufacturing method thereof |
| CN116370008A (en) * | 2023-04-24 | 2023-07-04 | 上海励楷科技有限公司 | Multi-pitch woven support |
| CN116370008B (en) * | 2023-04-24 | 2024-01-30 | 上海励楷科技有限公司 | Multi-pitch woven support |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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| CX01 | Expiry of patent term |