JP7436653B2 - 組織捕捉らせん装置 - Google Patents
組織捕捉らせん装置 Download PDFInfo
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Description
上記の例のいずれかの代わりにもしくは加えて、前記組織把持装置はさらに、前記シース内腔内にスライド可能に配置された内側シースを備え、前記内側シースは前記制御ワイヤを受け取るように構成された内腔を有する。
上記の例のいずれかの代わりにもしくは加えて、前記内側シースが前記らせん状コイルに取り付けられていない。
上記の例のいずれかの代わりにもしくは加えて、前記シース内腔は第1の内径を有する近位部と、前記第1の内径より大きい第2の内径を有する遠位部とを含む。前記らせん状コイルは前記シース内腔の遠位部内に配置される。
上記の例のいずれかの代わりにもしくは加えて、前記制御ワイヤは前記らせん状コイルの近位端に固定されるいかなる構造も備えていない。
上記の例のいずれかの代わりにもしくは加えて、前記らせん状コイルの近位領域は隣接する複数の巻線が接触する第1区域と、前記第1区域よりも近位にある第2区域であって、前記第2区域の隣接する複数の巻線は離間して配置されている。
上記の例のいずれかの代わりにもしくは加えて、前記制御ワイヤは前記制御ワイヤの回転運動を示すように構成された視覚的表示を含む。
上記の例のいずれかの代わりにもしくは加えて、前記近位領域は前記制御ワイヤに適合している。
異なる定義が、特許請求の範囲および特許明細書のどこかで与えられなければ、明確な用語の定義が、以下に提供されて、適用される。
様々な部品、特徴、および/または仕様に関するいくつかの適切な寸法、範囲、および/または値が開示されているが、本開示によって刺激された当業者は、望ましい寸法、範囲、および/または値が、明確に開示されたものから逸れ得ることを理解しているだろう。
Claims (9)
- シース内腔を規定するシースと、
前記シース内腔内にスライド可能に配置された制御ワイヤと、
前記制御ワイヤの遠位部に取り付けられ、前記制御ワイヤに対する軸方向の運動に抗して固定された管状コネクタと、
溶接又は接着剤によって前記制御ワイヤに取り付けられ、前記管状コネクタの周りに配置されるとともに前記管状コネクタに取り付けられたらせん状コイルとを備え、前記管状コネクタは前記制御ワイヤの外面と前記らせん状コイルの内面との間に位置し、前記管状コネクタは前記らせん状コイルの一部分の内側に延在しており、前記らせん状コイルは隣接する複数の巻線が接触する近位領域と、隣接する複数の巻線が離間して配置される遠位領域とを備え、前記らせん状コイルは鋭利な遠位チップを有する、内視鏡内で使用するための組織把持装置。 - 前記シース内腔内にスライド可能に配置された内側シースをさらに備え、前記内側シースが前記制御ワイヤを受け入れるように構成された内腔を有する請求項1に記載の組織把持装置。
- 前記内側シースは前記らせん状コイルに取り付けられていない請求項2に記載の組織把持装置。
- 前記制御ワイヤは、前記制御ワイヤの回転運動を示すように構成された視覚的表示を含む請求項1~3のいずれか一項に記載の組織把持装置。
- 前記シース内腔は第1の内径を有する近位部と、前記第1の内径より大きい第2の内径を有する遠位部とを含み、前記らせん状コイルは前記シース内腔の前記遠位部内に配置される請求項1~4のいずれか一項に記載の組織把持装置。
- 前記らせん状コイルの外径は前記近位部の内径より大きい請求項5に記載の組織把持装置。
- 前記制御ワイヤは前記らせん状コイルの近位端に固定されるいかなる構造も備えていない請求項1~6のいずれか一項に記載の組織把持装置。
- 前記らせん状コイルの近位領域の少なくとも一部分、および前記らせん状コイルに隣接する前記制御ワイヤの少なくとも一部分にわたって配置された熱収縮チューブをさらに備える請求項1~7のいずれか一項に記載の組織把持装置。
- シース内腔を規定する外側シースと、
前記シース内腔内にスライド可能に配置された制御ワイヤと、
前記シース内腔内にスライド可能に配置された内側シースであって、前記制御ワイヤを受け取るように構成された内腔を有する内側シースと、
前記制御ワイヤの遠位部に取り付けられ、前記制御ワイヤに対する軸方向の運動に抗して固定された管状コネクタと、
溶接又は接着剤によって前記制御ワイヤに取り付けられ、前記管状コネクタの周りに配置されるとともに前記管状コネクタに取り付けられたらせん状コイルとを備え、前記管状コネクタは前記制御ワイヤの外面と前記らせん状コイルの内面との間に位置し、前記管状コネクタは前記らせん状コイルの一部分の内側に延在しており、前記らせん状コイルは隣接する複数の巻線が接触する近位領域と、隣接する複数の巻線が離間して配置される遠位領域とを含み、前記らせん状コイルは鋭利な遠位チップを備え、
前記らせん状コイルの近位端に固定されるいかなる構造も備えていない、内視鏡内で使用するための組織把持装置。
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