JP2020168546A - 血管内大動脈修復用デバイスおよびその使用方法 - Google Patents
血管内大動脈修復用デバイスおよびその使用方法 Download PDFInfo
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- JP2020168546A JP2020168546A JP2020122656A JP2020122656A JP2020168546A JP 2020168546 A JP2020168546 A JP 2020168546A JP 2020122656 A JP2020122656 A JP 2020122656A JP 2020122656 A JP2020122656 A JP 2020122656A JP 2020168546 A JP2020168546 A JP 2020168546A
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- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0002—Two-dimensional shapes, e.g. cross-sections
- A61F2230/0028—Shapes in the form of latin or greek characters
- A61F2230/0034—D-shaped
-
- 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
- A61F2230/00—Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2230/0063—Three-dimensional shapes
- A61F2230/0067—Three-dimensional shapes conical
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0039—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in diameter
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0014—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
- A61F2250/0048—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in mechanical expandability, e.g. in mechanical, self- or balloon expandability
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0069—Sealing means
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Gastroenterology & Hepatology (AREA)
- Prostheses (AREA)
Abstract
Description
本出願は、2011年12月6日にAli Shahriari氏により出願された「Transcathetar Aortic Valve for Endovascular Aortic Repair」と題する、米国特許法第119条に規定される米国仮特許出願第61/567,458号の優先権を主張し、その内容は参照により本明細書に明白に援用される。本出願はまた、2012年11月7日にAli Shahriari氏により出願された「Transcathetar Aortic Valve for Endovascular Aortic Repair」と題する、米国特許法第119条に規定される米国仮特許出願第61/723,446号の優先権を主張し、その内容は参照により本明細書に明白に援用される。
態において、近位部60、中間部62、遠位部64は、オープンセルステント構造またはZステント構造を含む、単一構造として形成してもよいことを理解されたい。近位部60、中間部62、遠位部64についても、単一のモノリシック部品として形成してもよい。自己拡張型フレーム50の外表面82を、低収縮ポリエステル、延伸多孔質PTFE(ePTFE)、または非多孔質被覆材料84で被覆して、流体の外表面82への透過を防止することができる。このように、近位部品12の外表面全体を被覆して、流体が表面82を介して透過するのを防止することが可能となる。バルーン拡張型フレーム34に対して直接遠位(immediately distal)である被覆材料84には「トラップドア(trap door)86」を設け、万一傍弁漏出が起こった場合には、これを開放して、塞栓を行うための1つ以上の手術器具を通過させることができる。近位部品12の外表面全体を、低収縮性ダクロンまたはその他の合成材料により被覆しもよい。近位部品の一部または全体を、ヒドロゲルまたはその他のシール材で被覆することができることも理解されたい。
Claims (5)
- 大動脈血管内修復用デバイスであって、
金属材料から形成された外部フレームと、
弁を収容する内部フレームと、を備え、
前記内部フレームは、高分子材料から形成された管状ステントを形成しており、
前記内部フレームは、複数の縫い目によって前記外部フレームに固定されており、
少なくとも前記外部フレームの近位部には、線維が取り付けられており、
前記線維は、弁傍漏出を防止する構成となっている、
大動脈血管内修復用デバイス。 - 前記線維は、前記外部フレームの前記近位部から外向きに伸びる、
請求項1に記載の大動脈血管内修復用デバイス。 - 前記デバイスが大動脈弁輪にインプラントされると、前記線維が、前記内部フレームと前記外部フレームとの間を密閉する構成となっている、
請求項1に記載の大動脈血管内修復用デバイス。 - 前記デバイスが大動脈弁輪にインプラントされると、前記線維は、大動脈弁輪に押しつけられて当該大動脈弁輪を密閉し、弁傍漏出を防止する構成となっている、
請求項3に記載の大動脈血管内修復用デバイス。 - 前記外部フレームは、オープンセル構造を有する、
請求項1に記載の大動脈血管内修復用デバイス。
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US61/723,446 | 2012-11-07 |
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