JP5970101B2 - 体管腔にアクセスして物質を除去する装置 - Google Patents
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Description
Claims (13)
- 体管腔から閉鎖性物質を除去するシステムにおいて:
近位端部と、体管腔内に導入するサイズの遠位端部と、前記近位端部と前記遠位端部の間に延在している管腔とを具える伸長管状部材と、
前記遠位端部に具えられて収縮形状から拡張形状に拡張しうる環状の拡張性部材であって、前記拡張形状となった前記拡張性部材は前記遠位端部から外側に広がるテーパ形状をなすとともに、前記管腔よりも大きく当該管腔と連通している入口を規定し、かつ、当該拡張性部材が内部で拡張する体管腔の壁と係合するサイズとなる、拡張性部材と、
体管腔内の閉鎖性物質を前記拡張性部材の前記入口を通って前記伸長管状部材の管腔内に誘導すべく、前記管腔を通って挿入でき、選択的に拡張しうる拡張性の治療要素を具える伸長治療部材とを具え、
前記伸長管状部材が、弛緩したサイズから拡張したサイズに拡張しうる少なくとも前記遠位端部を含む拡張性の区画を具えており、前記伸長治療部材によって前記管腔内に誘導された、弛緩した状態よりも大きい閉鎖性物質の受け入れに適応することを特徴とするシステム。 - 請求項1に記載のシステムにおいて、前記伸長管状部材が、前記近位端部と前記遠位端部との間の長さ全体にわたって拡張しうることを特徴とするシステム。
- 請求項1に記載のシステムにおいて、前記伸長管状部材の前記拡張性の区画が1またはそれ以上のスロットを有する非弾性の層に連結された弾性層を具え、拡張する前記非弾性の層に適応し、前記弾性層が前記拡張性の区画を付勢して前記弛緩したサイズに戻すことを特徴とするシステム。
- 請求項3に記載のシステムにおいて、前記弾性層が、前記非弾性の層を囲んでいる弾性スリーブを具えることを特徴とするシステム。
- 請求項3に記載のシステムにおいて、前記非弾性の層が管状体を具えており、前記1またはそれ以上のスロットが、前記管状体の長さに沿って延在する1またはそれ以上の縦のスロットを含むことを特徴とするシステム。
- 請求項3に記載のシステムにおいて、前記非弾性の層が管状体を具えており、前記1またはそれ以上のスロットが、前記管状体の長さに沿って互いに軸方向且つ円周に間隔をあけて配置された複数の縦のスロットを含むことを特徴とするシステム。
- 請求項1に記載のシステムにおいて、前記伸長治療部材の拡張性の治療要素が、前記伸長治療部材の遠位端部に装着された第1の非弾性のバルーンと、前記第1の非弾性のバルーンの上に前記伸長治療部材に装着された第2の弾性のバルーンとを具えることを特徴とするシステム。
- 請求項1に記載のシステムにおいて、前記伸長治療部材が、前記拡張性の治療要素を少なくとも部分的に覆っている牽引部材を具えることを特徴とするシステム。
- 請求項1に記載のシステムにおいて、前記伸長治療部材が牽引部材を具えており、当該牽引部材は、当該牽引部材が前記拡張性の治療要素と近接して配置される第1の位置と、前記牽引部材が前記拡張性の治療要素を少なくとも部分的に覆う第2の位置との間を移動しうることを特徴とするシステム。
- 請求項8または9に記載のシステムにおいて、前記牽引部材が、拡張性のメッシュを具えることを特徴とするシステム。
- 体管腔から閉鎖性物質を除去するシステムにおいて用いられる装置において:
近位端部と、体管腔内に導入するサイズの遠位端部と、前記近位端部と前記遠位端部との間に延在している管腔とを具える伸長管状部材と;
前記遠位端部に具えられて収縮形状から拡張形状に拡張しうる環状の拡張性部材と、を具えており、前記拡張形状となった拡張性部材は前記遠位端部から離れて外側に広がるテーパ形状をなすとともに、前記管腔よりも大きく当該管腔と連通している入口を規定し、かつ、当該拡張性部材が内部で拡張する体管腔の壁と係合するサイズとなり、
前記システムは、体管腔内の閉鎖性物質を前記拡張性部材の前記入口を通って前記伸長管状部材の管腔内に誘導する伸長治療部材を具えるものであり、
前記伸長管状部材が弛緩したサイズから拡張したサイズに拡張しうる少なくとも前記遠位端部を含む拡張性の区画を具えており、前記伸長治療部材によって前記管腔内に誘導された、弛緩した状態よりも大きい閉鎖性物質の受け入れに適応することを特徴とする装置。 - 請求項11に記載の装置において、前記伸長管状部材の前記拡張性の区画が1またはそれ以上のスロットを有する非弾性の層に連結された弾性層を具え、拡張する前記非弾性の層に適応し、前記弾性層が前記拡張性の区画を付勢して前記弛緩したサイズに戻すことを特徴とする装置。
- 請求項12に記載の装置において、前記弾性層が、前記非弾性の層を囲んでいる弾性スリーブを具えることを特徴とする装置。
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US8750808P | 2008-08-08 | 2008-08-08 | |
US61/087,508 | 2008-08-08 |
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JP2011522299A Division JP5722774B2 (ja) | 2008-08-08 | 2009-08-08 | 体管腔にアクセスして物質を除去する装置および方法 |
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US9126015B2 (en) | 2015-09-08 |
AU2009279451A1 (en) | 2010-02-11 |
CN102170833A (zh) | 2011-08-31 |
EP2320810B1 (en) | 2019-10-23 |
US20150374404A1 (en) | 2015-12-31 |
CA2732787C (en) | 2017-04-18 |
JP2015144849A (ja) | 2015-08-13 |
CN102170833B (zh) | 2014-03-26 |
WO2010017537A3 (en) | 2010-06-03 |
WO2010017537A2 (en) | 2010-02-11 |
AU2009279451B2 (en) | 2016-03-03 |
JP2011530353A (ja) | 2011-12-22 |
CA2732787A1 (en) | 2010-02-11 |
JP5722774B2 (ja) | 2015-05-27 |
US20190021759A1 (en) | 2019-01-24 |
US10085765B2 (en) | 2018-10-02 |
EP2320810A4 (en) | 2016-10-05 |
US10849647B2 (en) | 2020-12-01 |
EP2320810A2 (en) | 2011-05-18 |
US20110282369A1 (en) | 2011-11-17 |
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