JP6845337B2 - 組織構造を移動させるためのシステム - Google Patents
組織構造を移動させるためのシステム Download PDFInfo
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- JP6845337B2 JP6845337B2 JP2019539925A JP2019539925A JP6845337B2 JP 6845337 B2 JP6845337 B2 JP 6845337B2 JP 2019539925 A JP2019539925 A JP 2019539925A JP 2019539925 A JP2019539925 A JP 2019539925A JP 6845337 B2 JP6845337 B2 JP 6845337B2
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- spline
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Description
Claims (15)
- 針であって、
近位端部、
鋭利な遠位端部、および
前記近位端部と遠位端部との間に延びる管腔
を備えた、針と、
前記管腔内に摺動可能に配置されるとともに、近位端部および遠位端部を有する長尺状部材と、を備え、
前記長尺状部材の遠位部分は、前記管腔内に配置されたときの第1形態と、前記鋭利な遠位端部を越えて遠位に配置されたときの第2形態との間を移行するように構成されており、
前記長尺状部材の遠位部分は、第2形態にあり、かつ、遠位の体管腔の組織壁に接触しているときに、該長尺状部材の近位端部が近位に移動するにつれて、近位の体管腔の組織壁に対する遠位の体管腔の組織壁の移動を最小限にするように構成されている、システム。 - 前記長尺状部材の遠位部分は、第1形態において実質的に直線状である、請求項1に記載のシステム。
- 前記長尺状部材の遠位部分は、第2形態において実質的に非直線状である、請求項1に記載のシステム。
- 前記第2形態は、ループ形、らせん形、および8の字形のうちから選択される、請求項1乃至3のいずれか1項に記載のシステム。
- 前記遠位部分は、前記長尺状部材の長手軸線に沿って分離して、第1スプラインおよび第2スプラインを画定している、請求項1乃至4のいずれか1項に記載のシステム。
- 第1スプラインおよび第2スプラインは、第1形態において前記長尺状部材と略同一直線上に位置する、請求項1乃至5のいずれか1項に記載のシステム。
- 第1スプラインおよび第2スプラインは、第2形態においてY字形を形成する、請求項1乃至5のいずれか1項に記載のシステム。
- 第1スプラインおよび第2スプラインは、第2形態においてT字形を形成する、請求項1乃至5のいずれか1項に記載のシステム。
- 第1スプラインおよび第2スプラインは、第2形態においてW字形を形成する、請求項1乃至5のいずれか1項に記載のシステム。
- 第1スプラインおよび第2スプラインは、第2形態において略丸状の構造物を形成する、請求項1乃至5のいずれか1項に記載のシステム。
- 第1スプラインおよび第2スプラインは、第2形態において略長円の構造物を形成する、請求項1乃至5のいずれか1項に記載のシステム。
- 前記長尺状部材は、
コントロールロッドと、
前記コントロールロッドのまわりに摺動可能に配置されたシースと、を備え、
前記シースの遠位部分は内部に形成された少なくとも1つの長手方向スリットを備えており、
前記コントロールロッドの遠位端部は前記シースの遠位端部に取り付けられている、請求項1に記載のシステム。 - 前記シースの遠位部分は、前記管腔内に配置されたときの第1形態と、前記鋭利な遠位端部を越えて遠位に配置されたときの第2形態との間を移行する、請求項12に記載のシステム。
- 第2形態において、前記長尺状部材の遠位部分は、該長尺状部材が近位に後退するにつれて、遠位の体管腔の組織壁に及ぼす保定圧力を漸増させる、請求項1に記載のシステム。
- 第2形態において、前記長尺状部材の遠位部分は、遠位の体管腔の対向する組織壁間の空間を維持する、請求項1に記載のシステム。
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US20220370222A1 (en) | 2021-05-19 | 2022-11-24 | Boston Scientific Scimed, Inc. | Devices, systems, and methods for adjusting a passage through an implantable device |
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