JPWO2012011261A1 - ステント装置 - Google Patents
ステント装置 Download PDFInfo
- Publication number
- JPWO2012011261A1 JPWO2012011261A1 JP2012525318A JP2012525318A JPWO2012011261A1 JP WO2012011261 A1 JPWO2012011261 A1 JP WO2012011261A1 JP 2012525318 A JP2012525318 A JP 2012525318A JP 2012525318 A JP2012525318 A JP 2012525318A JP WO2012011261 A1 JPWO2012011261 A1 JP WO2012011261A1
- Authority
- JP
- Japan
- Prior art keywords
- stent
- cover member
- diameter
- expanded
- tubular cartridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
- A61F2/90—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure characterised by a net-like or mesh-like structure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2/07—Stent-grafts
- A61F2002/072—Encapsulated stents, e.g. wire or whole stent embedded in lining
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- 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
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
- A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Gastroenterology & Hepatology (AREA)
- Pulmonology (AREA)
- Chemical & Material Sciences (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
Abstract
Description
枠に、拡径された大きさにあるステント3を圧縮しながら挿入することによって行われる。
Claims (8)
- 径方向に拡張し且つ収縮可能であって、上記径方向と直交する軸方向への伸張が規制された管状カートリッジと、
生体吸収性ポリマー材料により管状に形成されてなり、脈管内に植え込まれたときに当該脈管の内径以上に拡径された大きさに形状記憶されるとともに、縮径されて上記管状カートリッジの外周面に装着されたステントと、
弾性力を有する生体吸収性ポリマー材料によりなり、上記ステントを外周側から支持することにより、上記ステントを縮径状態に保持する内周径を有する筒状に形成され、上記ステントが上記形状記憶された大きさに拡径されるときに塑性変形して上記ステントの支持を解放するステント用カバー部材とからなり、
上記ステントは、上記管状カートリッジの径方向への拡張に伴って上記ステント用カバー部材とともに拡径され、上記管状カートリッジの径方向への収縮により、上記ステント用カバー部材とともに上記管状カートリッジから離脱されることを特徴とするステント装置。 - 上記ステント用カバー部材と上記ステントは、同種の生体吸収性ポリマー材料により形成されていることを特徴とする請求項1記載のステント装置。
- 上記ステントと上記ステント用カバー部材は、生体吸収性の脂肪族ポリエステルにより形成されていることを特徴とする請求項1のステント装置。
- 上記ステント用カバー部材は、ポリL−ラクチド(PLLA)とポリε−カプロラクトン(PCL)の共重合体であって、ポリL−ラクチド(PLLA)とポリε−カプロラクトン(PCL)の組成比がモル比(mol%)で95〜20:5〜80の範囲にある生体吸収性ポリマー材料により形成されていることを特徴とする請求項1記載のステント装置。
- 上記ステント用カバー部材は、上記ステントの外周側の全面を覆う長さに形成されていることを特徴とする請求項1〜4のいずれか1に記載のステント装置。
- 上記ステント用カバー部材には、複数の開口部が形成されていることを特徴とする請求項1〜5のいずれか1に記載のステント装置。
- 上記ステント及び上記ステント用カバー部材のいずれか一方、又は双方には、薬剤が含有されていることを特徴とする請求項1〜6のいずれか1に記載のステント装置。
- 上記ステント用カバー部材には、内膜増殖抑制効果を有する薬剤が担持され、上記ステントには、血栓形成抑制効果を有する薬剤が担持されていることを特徴とする請求項1〜6のいずれか1に記載のステント装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010163376 | 2010-07-20 | ||
JP2010163376 | 2010-07-20 | ||
PCT/JP2011/004049 WO2012011261A1 (ja) | 2010-07-20 | 2011-07-15 | ステント装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012011261A1 true JPWO2012011261A1 (ja) | 2013-09-09 |
JP5978131B2 JP5978131B2 (ja) | 2016-08-24 |
Family
ID=45496694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012525318A Active JP5978131B2 (ja) | 2010-07-20 | 2011-07-15 | ステント装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130297002A1 (ja) |
EP (1) | EP2596765B1 (ja) |
JP (1) | JP5978131B2 (ja) |
KR (1) | KR20130096646A (ja) |
AU (1) | AU2011280828A1 (ja) |
ES (1) | ES2621343T3 (ja) |
WO (1) | WO2012011261A1 (ja) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9839540B2 (en) | 2011-01-14 | 2017-12-12 | W. L. Gore & Associates, Inc. | Stent |
US10166128B2 (en) | 2011-01-14 | 2019-01-01 | W. L. Gore & Associates. Inc. | Lattice |
CN102429751B (zh) * | 2011-09-15 | 2014-02-26 | 中国人民解放军第三军医大学第一附属医院 | 一种带有贮药腔的医用腔道支架 |
US9283072B2 (en) | 2012-07-25 | 2016-03-15 | W. L. Gore & Associates, Inc. | Everting transcatheter valve and methods |
US9931193B2 (en) | 2012-11-13 | 2018-04-03 | W. L. Gore & Associates, Inc. | Elastic stent graft |
US9968443B2 (en) | 2012-12-19 | 2018-05-15 | W. L. Gore & Associates, Inc. | Vertical coaptation zone in a planar portion of prosthetic heart valve leaflet |
US9101469B2 (en) | 2012-12-19 | 2015-08-11 | W. L. Gore & Associates, Inc. | Prosthetic heart valve with leaflet shelving |
US9144492B2 (en) | 2012-12-19 | 2015-09-29 | W. L. Gore & Associates, Inc. | Truncated leaflet for prosthetic heart valves, preformed valve |
US10842918B2 (en) | 2013-12-05 | 2020-11-24 | W.L. Gore & Associates, Inc. | Length extensible implantable device and methods for making such devices |
US9827094B2 (en) | 2014-09-15 | 2017-11-28 | W. L. Gore & Associates, Inc. | Prosthetic heart valve with retention elements |
AU2016403450B2 (en) * | 2016-04-21 | 2019-10-03 | W. L. Gore & Associates, Inc. | Diametrically adjustable endoprostheses and associated systems and methods |
US20180193181A1 (en) * | 2016-12-20 | 2018-07-12 | Adrian Pona | Nasal device to increase airflow |
KR101806081B1 (ko) * | 2017-07-25 | 2017-12-07 | 한양대학교 산학협력단 | 스텐트 전달 장치 |
EP3687452A1 (en) | 2017-09-27 | 2020-08-05 | W. L. Gore & Associates, Inc. | Prosthetic valves with mechanically coupled leaflets |
US11020221B2 (en) | 2017-09-27 | 2021-06-01 | W. L. Gore & Associates, Inc. | Prosthetic valve with expandable frame and associated systems and methods |
CN111295158A (zh) | 2017-10-31 | 2020-06-16 | W.L.戈尔及同仁股份有限公司 | 医用瓣膜和促进组织向内生长的瓣叶 |
US11497601B2 (en) | 2019-03-01 | 2022-11-15 | W. L. Gore & Associates, Inc. | Telescoping prosthetic valve with retention element |
CN112641544A (zh) * | 2019-10-09 | 2021-04-13 | 奥林巴斯株式会社 | 支架装置和用于使用支架装置的方法 |
WO2021110559A1 (en) | 2019-12-03 | 2021-06-10 | Cortronik GmbH | Adaptive chemical post-processing of nonwovens for cardiovascular applications |
CN113017914B (zh) * | 2021-03-17 | 2023-07-04 | 复旦大学附属中山医院 | 一种防止覆膜支架出入口内膜增生的外周血管复合支架 |
US20220346931A1 (en) * | 2021-05-03 | 2022-11-03 | Adient Medical, Inc. | Delivery system for a medical device |
Family Cites Families (15)
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US5116318A (en) * | 1989-06-06 | 1992-05-26 | Cordis Corporation | Dilatation balloon within an elastic sleeve |
JP2842943B2 (ja) | 1991-03-08 | 1999-01-06 | 敬二 伊垣 | 脈管ステントとその保持構造体および脈管ステント挿着装置 |
JP2961287B2 (ja) * | 1991-10-18 | 1999-10-12 | グンゼ株式会社 | 生体管路拡張具、その製造方法およびステント |
JP3257750B2 (ja) * | 1993-07-20 | 2002-02-18 | エチコン・インコーポレーテツド | ε−カプロラクトンおよびラクチドの液状コポリマー |
EP0697226B1 (en) * | 1994-02-07 | 2005-01-26 | Kabushikikaisha Igaki Iryo Sekkei | Stent device and stent supply system |
ES2620130T3 (es) * | 1998-09-08 | 2017-06-27 | Kabushikikaisha Igaki Iryo Sekkei | Endoprótesis para vasos |
US6336937B1 (en) * | 1998-12-09 | 2002-01-08 | Gore Enterprise Holdings, Inc. | Multi-stage expandable stent-graft |
US6629992B2 (en) * | 2000-08-04 | 2003-10-07 | Advanced Cardiovascular Systems, Inc. | Sheath for self-expanding stent |
US7018405B2 (en) * | 2000-12-22 | 2006-03-28 | Avantec Vascular Corporation | Intravascular delivery of methylprednisolone |
US20020161388A1 (en) * | 2001-02-27 | 2002-10-31 | Samuels Sam L. | Elastomeric balloon support fabric |
WO2004103450A1 (ja) | 2003-05-23 | 2004-12-02 | Kabushikikaisha Igaki Iryo Sekkei | ステント供給装置 |
JP2005306999A (ja) * | 2004-04-21 | 2005-11-04 | Jms Co Ltd | ラクチド−カプロラクトン共重合体 |
JP2006130064A (ja) * | 2004-11-05 | 2006-05-25 | National Cardiovascular Center | ステントデリバリシステム |
KR101547200B1 (ko) | 2008-06-27 | 2015-09-04 | 가부시키가이샤 교토 이료 세케이 | 맥관용 스텐트 |
JP5313603B2 (ja) * | 2008-09-18 | 2013-10-09 | グンゼ株式会社 | 胆管組織再生材 |
-
2011
- 2011-07-15 US US13/811,180 patent/US20130297002A1/en not_active Abandoned
- 2011-07-15 EP EP11809437.4A patent/EP2596765B1/en not_active Not-in-force
- 2011-07-15 AU AU2011280828A patent/AU2011280828A1/en not_active Abandoned
- 2011-07-15 ES ES11809437.4T patent/ES2621343T3/es active Active
- 2011-07-15 JP JP2012525318A patent/JP5978131B2/ja active Active
- 2011-07-15 KR KR1020127034352A patent/KR20130096646A/ko not_active Application Discontinuation
- 2011-07-15 WO PCT/JP2011/004049 patent/WO2012011261A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP2596765A4 (en) | 2016-01-20 |
WO2012011261A1 (ja) | 2012-01-26 |
EP2596765A1 (en) | 2013-05-29 |
ES2621343T3 (es) | 2017-07-03 |
EP2596765B1 (en) | 2017-01-04 |
AU2011280828A1 (en) | 2013-01-24 |
JP5978131B2 (ja) | 2016-08-24 |
KR20130096646A (ko) | 2013-08-30 |
US20130297002A1 (en) | 2013-11-07 |
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