JP2020073104A - 心臓組織用アンカー - Google Patents
心臓組織用アンカー Download PDFInfo
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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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- A61F2/24—Heart valves ; Vascular valves, e.g. venous valves; Heart implants, e.g. passive devices for improving the function of the native valve or the heart muscle; Transmyocardial revascularisation [TMR] devices; Valves implantable in the body
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- A—HUMAN NECESSITIES
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Reproductive Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Rheumatology (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
Description
実施例5において、形状記憶材料がニチノールを含む、実施例4の心臓弁アンカー。
実施例8において、半径方向に拡張可能な部分が、第1の直径を有する第1のワイヤと、第2の直径を有する第2のワイヤとを含む1つ以上のワイヤを含み、第1の直径は第2の直径より大きい、実施例1〜7の心臓弁アンカー。
実施例19において、組織固定手段が、本体の遠位端に連結され、本体の内腔および近位端を通って延びる縫合糸を含む、実施例17または実施例18の心臓弁アンカー。
複数の実施形態が開示されているが、本発明のさらに他の実施形態は、本発明の例示的な実施形態を示して説明する、以下の詳細な説明から当業者には明らかになるであろう。したがって、図面および詳細な説明は、本質的に例示的であり、限定的ではないと見なされるべきである。
Claims (15)
- 心臓弁アンカーであって、前記心臓弁アンカーは、
遠位部、遠位端、近位部および近位端を含み、かつその内部を貫通する内腔を画定する本体を含み、
前記本体は、
同本体の遠位部に半径方向に拡張可能な部分と、
同本体の遠位部に連結され、前記内腔を貫通して同本体の近位端を出るように延びる組織固定要素と、を含む、
心臓弁アンカー。 - 前記組織固定要素は縫合糸またはワイヤである、請求項1に記載の心臓弁アンカー。
- 前記本体の遠位端は、アンカーの展開中に同アンカーが組織を部分的または完全に貫通することを可能にするように構成された組織穿刺先端部を含む、請求項2に記載の心臓弁アンカー。
- 前記組織穿刺先端部は前記縫合糸またはワイヤの一部から作製されている、請求項3に記載の心臓弁アンカー。
- 前記本体の近位部にロック機構をさらに含む、請求項1〜4のいずれか一項に記載の心臓弁アンカー。
- 前記ロック機構は、拡張可能なバーブ、ハイポチューブクラスプ、拡張可能なステント、折り畳み可能なプルワイヤ、可撓性インサート、または一方向クラスプを含む、請求項5に記載の心臓弁アンカー。
- 前記半径方向に拡張可能な部分は、単一の凹状の拡張可能な部分を含む、請求項1〜6のいずれか一項に記載の心臓弁アンカー。
- 前記半径方向に拡張可能な部分は、逆凹状の拡張可能な部分を含む、請求項1〜6のいずれか一項に記載の心臓弁アンカー。
- 前記逆凹状の拡張可能な部分は組織に向かって対面するように構成された凹状特徴部を含む、請求項8に記載の心臓弁アンカー。
- 前記半径方向に拡張可能な部分は、二重凹状部分を含む、請求項1〜6のいずれか一項に記載の心臓弁アンカー。
- 前記二重凹状部分は、組織から離れる向きに対面するように構成された凹状特徴部の内部に拡張された球状部分を含む、請求項10に記載の心臓弁アンカー。
- 前記半径方向に拡張可能な部分は、浮動拡張可能な部分を含む、請求項1〜6のいずれか一項に記載の心臓弁アンカー。
- 前記半径方向に拡張可能な部分は、ディスク状の拡張可能な部分を含む単一固定拡張可能な部分を含む、請求項1〜6のいずれか一項に記載の心臓弁アンカー。
- 前記ディスク状の拡張可能な部分は第2組の外側ワイヤに固定される第1組の内側ワイヤを有する、請求項13に記載の心臓弁アンカー。
- 前記半径方向に拡張可能な部分は、螺旋状に巻かれたワイヤを含む、請求項1〜14のいずれか一項に記載の心臓弁アンカー。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562269451P | 2015-12-18 | 2015-12-18 | |
US62/269,451 | 2015-12-18 | ||
JP2018531618A JP6659845B2 (ja) | 2015-12-18 | 2016-12-16 | 心臓組織用アンカー |
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JP2018531618A Division JP6659845B2 (ja) | 2015-12-18 | 2016-12-16 | 心臓組織用アンカー |
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JP2020073104A true JP2020073104A (ja) | 2020-05-14 |
JP6989635B2 JP6989635B2 (ja) | 2022-01-05 |
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US11172921B2 (en) | 2021-11-16 |
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JP6989635B2 (ja) | 2022-01-05 |
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