JP4906710B2 - 金属フィルムおよびポリマー層を備える医療用デバイス - Google Patents
金属フィルムおよびポリマー層を備える医療用デバイス Download PDFInfo
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- JP4906710B2 JP4906710B2 JP2007502032A JP2007502032A JP4906710B2 JP 4906710 B2 JP4906710 B2 JP 4906710B2 JP 2007502032 A JP2007502032 A JP 2007502032A JP 2007502032 A JP2007502032 A JP 2007502032A JP 4906710 B2 JP4906710 B2 JP 4906710B2
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- endoprosthesis
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- 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
- A61F2/82—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
- A61F2002/075—Stent-grafts the stent being loosely attached to the graft material, e.g. by stitching
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- 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)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Materials For Medical Uses (AREA)
- Physical Vapour Deposition (AREA)
Description
本願は、2004年3月2日に出願された、米国仮特許出願番号60/549,287の利益を主張する。この仮特許出願は、本明細書中に参考として援用される。
本発明は、医療用デバイス(例えば、体内補綴物)、およびこれらのデバイスを作製する方法に関する。
身体は、種々の通路(例えば、動脈、他の血管、および他の体腔)を有する。これらの通路は、時々、閉塞するか、または弱体化する。例えば、これらの通路は、腫瘍によって閉塞され得るか、斑によって制限され得るか、または動脈瘤によって弱体化され得る。このことが起こると、この通路は、医療用体内補綴物を用いて、再度開口もしくは補強され得るか、または交換さえされ得る。体内補綴物は、代用的に、身体内の管腔内に配置される管状部材である。体内補綴物は、この体内補綴物が所望の部位に輸送される場合の小型化された形状または減少された大きさの形状に支持するカテーテルによって、身体の内側に送達され得る。この部位に達すると、この体内補綴物は、例えば、この管腔の壁に接触し得るように、拡張される。
本発明は、医療用デバイス(例えば、体内補綴物)、およびこれらのデバイスを作製する方法に関する。例示的な体内補綴物としては、ステント、覆われたステント、およびステント移植片が挙げられる。
図1aおよび図1bを参照すると、体内補綴物100が、身体通路内(例えば、動脈瘤(例えば、ヒトの脳の脈管26の動脈瘤25)によって弱体化された脈管内)で展開されている。体内補綴物100は、管状部材またはカバー54によって覆われた枠組み(例えば、ステント本体52)を備える。この部材およびカバーは、ポリマー層101によって互いに固定されている。このステント本体は、比較的剛性な枠組みを提供し、これは、処置部位にこの体内補綴物を固定する。この枠組みは、比較的大きい開口部または窓を規定し、これらは、このステントの機械的特性に寄与する。カバー54は、比較的薄くかつ可撓性であり、そしてより小さい窓を備え、これらの窓は、カバー54の機械的特性に寄与し、そしてこのステントの窓を閉じ得る。
Claims (29)
- 体内補綴物であって、以下:
複数の枠組み部材を有する、枠組み;
該枠組みの少なくとも一部分とほぼ同範囲であり、そして該枠組みの少なくとも一部分を覆う管状部材であって、50μm未満の厚さを有する析出した金属フィルムを含む、管状部材;ならびに
該管状枠組みのうちの少なくとも数個および該管状部材の少なくとも一部を囲んでいるポリマーであって、該枠組みと該管状部材を、該枠組みおよび該管状部材の両方を接触することによって一緒に固定する、ポリマー、を備え、
ここで、該枠組みおよび該管状部材が互いに接触し、そして該ポリマーが該枠組みおよび該管状部材の周りを取り囲む、体内補綴物。 - 前記析出した金属フィルムが、ニッケルおよびチタンを含有する、請求項1に記載の体内補綴物。
- 前記ポリマーが複数のポリマー層を備える、請求項1または2に記載の体内補綴物。
- 前記ポリマーが、前記体内補綴物に対して外周に延びる少なくとも1つのポリマーストランド、を備える、請求項1または2に記載の体内補綴物。
- 前記ポリマーが複数のポリマーストランドを備え、各ポリマーストランドが、前記体内補綴物に対して外周に延びている、請求項4に記載の体内補綴物。
- 前記複数のポリマーストランドが、螺旋状の格子を規定している、請求項5に記載の体内補綴物。
- 前記体内補綴物が、身体通路内で展開される場合に、半径方向の拡張力を付与し、そして前記少なくとも1つのポリマーストランドが、該半径方向の拡張力の少なくとも一部に寄与する、請求項4〜6のいずれか1項に記載の体内補綴物。
- 前記ポリマーが、酪酸の誘導体である、請求項4〜7のいずれか1項に記載の体内補綴物。
- 前記ポリマーが、ウレタンとシリコーンとのコポリマーを含有する、請求項4〜7のいずれか1項に記載の体内補綴物。
- 前記析出した金属フィルムが4〜35μmの厚さを有する、請求項1〜9のいずれか1項に記載の体内補綴物。
- 前記析出した金属フィルムが超弾性性質または偽弾性性質を示す合金である、請求項1〜10のいずれか1項に記載の体内補綴物。
- 前記ポリマーが500〜1000%の破断時伸び率を有するポリマー層を備える、請求項1〜11のいずれか1項に記載の体内補綴物。
- 前記ポリマーが、10,000〜75,000psiの引っ張り強さを有する、請求項1〜12のいずれか1項に記載の体内補綴物。
- 前記ポリマーが、2,500〜10,000psiの引っ張り強さを有するポリマー層を備える、請求項1〜13のいずれか1項に記載の体内補綴物。
- 前記酪酸の誘導体が、ポリ−4−ヒドロキシブチレート、ポリー4−ヒドロキシブチレート、およびポリ−(3−ヒドロキシブチレート−co−4−ヒドロキシブチレート)からなる群から選択される、請求項8に記載の体内補綴物。
- 前記ポリマーが、ポリテトラフルオロエチレン、発泡ポリテトラフルオロエチレン、ポリエチレン、天然ナイロン、水性アクリル、シリコーン、ポリエステル、ポリ乳酸、ポリアミノ酸、ポリオルトエステル、ポリリン酸エステル、ポリプロピレン、およびポリエステル、またはこれらの組み合わせからなる群から選択される、請求項1〜7のいずれか1項に記載の体内補綴物。
- 前記ポリマーが、抗トロンボゲン形成剤、酸化防止剤、抗炎症剤、麻酔剤、抗凝固剤、および抗生物質からなる群から選択される治療剤の放出を提供する、請求項1〜16のいずれか1項に記載の体内補綴物。
- 前記ポリマーが、前記管状部材を前記枠組みの第1の端部および第2の端部にそれぞれ固定する第1の端部分および第2の端部分を備える、請求項1〜17のいずれか1項に記載の体内補綴物。
- 前記複数のポリマー層が10〜25μm厚さである、請求項3に記載の体内補綴物。
- 各々のポリマー層が2〜5μm厚さである、請求項3に記載の体内補綴物。
- 前記析出した金属フィルムが複数の窓を含む、請求項1〜20のいずれか1項に記載の体内補綴物。
- 前記ポリマーが前記枠組みと前記管状部材との間のいくらかの相対的な動きを可能にする形態である、請求項1〜21のいずれか1項に記載の体内補綴物。
- 前記第1の端部分および第2の端部分が、前記体内補綴物の身体通路内で展開される場合に、該身体通路の壁に半径方向の力を付与するような形態である、請求項18に記載の体内補綴物。
- 前記第1の端部分および第2の端部分が、各々、前記体内補綴物の長さの10%〜60%である長さを有する、請求項18に記載の体内補綴物。
- 前記第1の端部分および第2の端部分が異なる長さを有する、請求項18に記載の体内補綴物。
- 前記第1の端部分および第2の端部分が、10〜25μmである厚さを有する、請求項18に記載の体内補綴物。
- 前記第1の端部分および第2の端部分が、前記管状部材の外部に位置する、請求項18に記載の体内補綴物。
- 前記第1の端部分および第2の端部分が、細胞の内方成長を増大するような形態の複数の孔を含む、請求項18に記載の体内補綴物。
- 前記ポリマーが、前記管状部材のすべてを囲んでいる、請求項1〜28のいずれか1項に記載の体内補綴物。
Applications Claiming Priority (17)
Application Number | Priority Date | Filing Date | Title |
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US54928704P | 2004-03-02 | 2004-03-02 | |
US60/549,287 | 2004-03-02 | ||
US11/025,867 US20050197687A1 (en) | 2004-03-02 | 2004-12-29 | Medical devices including metallic films and methods for making same |
US11/025,860 | 2004-12-29 | ||
US11/025,867 | 2004-12-29 | ||
US11/025,866 US8998973B2 (en) | 2004-03-02 | 2004-12-29 | Medical devices including metallic films |
US11/025,684 | 2004-12-29 | ||
US11/025,860 US8591568B2 (en) | 2004-03-02 | 2004-12-29 | Medical devices including metallic films and methods for making same |
US11/025,660 US20060142838A1 (en) | 2004-12-29 | 2004-12-29 | Medical devices including metallic films and methods for loading and deploying same |
US11/025,158 | 2004-12-29 | ||
US11/025,660 | 2004-12-29 | ||
US11/025,464 US8992592B2 (en) | 2004-12-29 | 2004-12-29 | Medical devices including metallic films |
US11/025,158 US8632580B2 (en) | 2004-12-29 | 2004-12-29 | Flexible medical devices including metallic films |
US11/025,464 | 2004-12-29 | ||
US11/025,684 US7901447B2 (en) | 2004-12-29 | 2004-12-29 | Medical devices including a metallic film and at least one filament |
US11/025,866 | 2004-12-29 | ||
PCT/US2005/007162 WO2005084583A2 (en) | 2004-03-02 | 2005-03-02 | Medical devices including metallic films and methods for making same |
Publications (2)
Publication Number | Publication Date |
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JP2007526098A JP2007526098A (ja) | 2007-09-13 |
JP4906710B2 true JP4906710B2 (ja) | 2012-03-28 |
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JP2007502069A Expired - Fee Related JP4712029B2 (ja) | 2004-03-02 | 2005-03-02 | 金属フィルムを含む医療用デバイスおよびその作製方法 |
JP2007502032A Expired - Fee Related JP4906710B2 (ja) | 2004-03-02 | 2005-03-02 | 金属フィルムおよびポリマー層を備える医療用デバイス |
JP2007502033A Pending JP2007526099A (ja) | 2004-03-02 | 2005-03-02 | 金属フィルムを備える医療用デバイスおよびその作製方法 |
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JP2007502069A Expired - Fee Related JP4712029B2 (ja) | 2004-03-02 | 2005-03-02 | 金属フィルムを含む医療用デバイスおよびその作製方法 |
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JP2007502033A Pending JP2007526099A (ja) | 2004-03-02 | 2005-03-02 | 金属フィルムを備える医療用デバイスおよびその作製方法 |
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EP (5) | EP1725188A1 (ja) |
JP (3) | JP4712029B2 (ja) |
CA (3) | CA2558131C (ja) |
WO (3) | WO2005084583A2 (ja) |
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- 2005-03-02 EP EP05724762A patent/EP1725188A1/en not_active Withdrawn
- 2005-03-02 JP JP2007502069A patent/JP4712029B2/ja not_active Expired - Fee Related
- 2005-03-02 EP EP12192288.4A patent/EP2617387A1/en not_active Withdrawn
- 2005-03-02 CA CA2558131A patent/CA2558131C/en not_active Expired - Fee Related
- 2005-03-02 JP JP2007502032A patent/JP4906710B2/ja not_active Expired - Fee Related
- 2005-03-02 WO PCT/US2005/007162 patent/WO2005084583A2/en active Application Filing
- 2005-03-02 JP JP2007502033A patent/JP2007526099A/ja active Pending
- 2005-03-02 EP EP05724666.2A patent/EP1725186B1/en not_active Not-in-force
- 2005-03-02 CA CA2558128A patent/CA2558128C/en not_active Expired - Fee Related
- 2005-03-02 CA CA2558132A patent/CA2558132C/en not_active Expired - Fee Related
- 2005-03-02 WO PCT/US2005/007164 patent/WO2005084584A1/en active Application Filing
- 2005-03-02 EP EP12192279.3A patent/EP2614793A1/en not_active Withdrawn
- 2005-03-02 WO PCT/US2005/007282 patent/WO2005084585A1/en active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
JP2007526098A (ja) | 2007-09-13 |
CA2558131C (en) | 2014-07-08 |
JP2007526100A (ja) | 2007-09-13 |
EP2614793A1 (en) | 2013-07-17 |
EP1725187A1 (en) | 2006-11-29 |
WO2005084583A2 (en) | 2005-09-15 |
EP1725186B1 (en) | 2016-05-25 |
EP1725188A1 (en) | 2006-11-29 |
CA2558128C (en) | 2013-01-08 |
WO2005084584A1 (en) | 2005-09-15 |
CA2558131A1 (en) | 2005-09-15 |
WO2005084585A1 (en) | 2005-09-15 |
JP4712029B2 (ja) | 2011-06-29 |
CA2558132A1 (en) | 2005-09-15 |
JP2007526099A (ja) | 2007-09-13 |
EP2617387A1 (en) | 2013-07-24 |
EP1725186A2 (en) | 2006-11-29 |
WO2005084583A3 (en) | 2005-12-15 |
CA2558128A1 (en) | 2005-09-15 |
CA2558132C (en) | 2013-01-08 |
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