JP2018530359A - 滑り止め機能が向上したステント - Google Patents
滑り止め機能が向上したステント Download PDFInfo
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- 210000004204 blood vessel Anatomy 0.000 claims abstract description 43
- 239000002473 artificial blood Substances 0.000 claims abstract description 42
- 230000003902 lesion Effects 0.000 claims abstract description 36
- 230000006870 function Effects 0.000 claims abstract description 20
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000002966 stenotic effect Effects 0.000 claims abstract description 7
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 5
- 238000009940 knitting Methods 0.000 claims abstract description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 210000001198 duodenum Anatomy 0.000 description 4
- 210000003238 esophagus Anatomy 0.000 description 4
- 210000003445 biliary tract Anatomy 0.000 description 3
- -1 Polytetrafluorethylene Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 210000000013 bile duct Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Prostheses (AREA)
Abstract
【選択図】図1
Description
それにより、図3に示されたように、本発明の実施例による滑り止め機能が向上した前記ステント100は各第1区間(A)が病変部位を圧挿して係止し、各第2区間(B)は空間部11に挿入される病変部位に係止するように製造される。
更に、各前記第1区間(A)は病変部位を圧挿して係止し、各前記第2区間(B)は空間部11に挿入される病変部位に係止するようになる。
11、11’ 空間部
12 折曲端
13 第1の人工血管層
14 第2の人工血管層
20 治具
100 ステント
Claims (5)
- 体内の内腔に発生した狭窄または閉塞した病変部位を拡張させるステントであって、
超弾性形状記憶合金からなるワイヤ(1)を中空式円筒状の形状で網形態に編むか交差させて複数の空間部(11)が形成され、両端には周方向に複数の折曲端(12)が形成されて熱処理された円筒状ステント(10)を含み、
前記円筒状ステント(10)は内面全体に密着するPTFE材質の第1の人工血管層(13)が形成され、あらかじめ定められた間隔で外面の一部に密着するPTFE材質の複数の第2の人工血管層(14)が形成され、
前記第1の人工血管層(13)と複数の第2の人工血管層(14)とが円筒状ステント(10)を覆いつつ互いに吸着した状態になるように加熱溶着されることにより、塞がれた複数の空間部(11’)を有する第1区間(A)と、残りの塞がれない複数の空間部(11)を有する第2区間(B)とが複数形成され、
各前記第1区間(A)は病変部位を圧挿して係止し、各前記第2区間(B)は空間部(11)に挿入される病変部位に係止することを特徴とする、滑り止め機能が向上したステント。 - 各前記第1区間(A)の空間部(11’)は、外力が発生すると互いに吸着した第1、2の人工血管層(13、14)に固定されるため形が変形せず、
各前記第2区間(B)の空間部(11)は、外力が発生すると第2の人工血管層(14)がなく吸着されない第1の人工血管層(13)に固定されないため、形が変形することを特徴とする、請求項1に記載の滑り止め機能が向上したステント。 - 各前記第1区間(A)は長さを同一に形成され、各前記第2区間(B)は長さを同一に形成されていることを特徴とする、請求項1または2に記載の滑り止め機能が向上したステント。
- 各前記第1区間(A)は長さを同一に形成され、各前記第2区間(B)は互いに異なる長さを有するように形成されていることを特徴とする、請求項1または2に記載の滑り止め機能が向上したステント。
- 各前記第2区間(B)は長さを同一に形成され、各前記第1区間(A)は互いに異なる長さを有するように形成されていることを特徴とする、請求項1または2に記載の滑り止め機能が向上したステント。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150105715A KR101772482B1 (ko) | 2015-07-27 | 2015-07-27 | 미끄럼 방지 기능이 향상된 스텐트 |
KR10-2015-0105715 | 2015-07-27 | ||
PCT/KR2016/007289 WO2017018682A1 (ko) | 2015-07-27 | 2016-07-06 | 미끄럼 방지 기능이 향상된 스텐트 |
Publications (2)
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JP2018530359A true JP2018530359A (ja) | 2018-10-18 |
JP6877678B2 JP6877678B2 (ja) | 2021-05-26 |
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JP2018501161A Active JP6877678B2 (ja) | 2015-07-27 | 2016-07-06 | 滑り止め機能が向上したステント |
Country Status (5)
Country | Link |
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US (1) | US10709542B2 (ja) |
JP (1) | JP6877678B2 (ja) |
KR (1) | KR101772482B1 (ja) |
CN (1) | CN107847331B (ja) |
WO (1) | WO2017018682A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7525211B2 (ja) | 2020-11-17 | 2024-07-30 | ビーシーエム カンパニー,リミテッド | ステントにptfe被膜を形成する方法、並びにそれによって製造されたステント及びそれに使われる治具 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7264399B2 (ja) * | 2017-12-28 | 2023-04-25 | Sbカワスミ株式会社 | 管状留置具及び管状留置具留置装置 |
CN110025401A (zh) * | 2019-04-16 | 2019-07-19 | 吉林大学中日联谊医院 | 一种带有可吸附覆膜的血管支架 |
KR102662128B1 (ko) | 2021-11-25 | 2024-04-30 | (주)태웅메디칼 | 미끄럼 방지용 스텐트의 제조 방법과 그에 의해 제조된 미끄럼 방지용 스텐트 |
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JP6877678B2 (ja) | 2021-05-26 |
KR101772482B1 (ko) | 2017-08-29 |
KR20170012975A (ko) | 2017-02-06 |
CN107847331B (zh) | 2020-05-08 |
US10709542B2 (en) | 2020-07-14 |
WO2017018682A1 (ko) | 2017-02-02 |
US20200030079A1 (en) | 2020-01-30 |
CN107847331A (zh) | 2018-03-27 |
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