JP5584204B2 - 体管腔から閉塞性物質を除去する装置および方法 - Google Patents
体管腔から閉塞性物質を除去する装置および方法 Download PDFInfo
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/50—Instruments, other than pincettes or toothpicks, for removing foreign bodies from the human body
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- A—HUMAN NECESSITIES
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- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
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- A—HUMAN NECESSITIES
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- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/32075—Pullback cutting; combined forward and pullback cutting, e.g. with cutters at both sides of the plaque
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- A—HUMAN NECESSITIES
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- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
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- A—HUMAN NECESSITIES
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22065—Functions of balloons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22079—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with suction of debris
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/221—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions
- A61B2017/2212—Gripping devices in the form of loops or baskets for gripping calculi or similar types of obstructions having a closed distal end, e.g. a loop
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Description
Claims (13)
- 体管腔内の物質を除去するための装置において、当該装置が:
近位端部と、体管腔内に導入するサイズに作られた遠位端部と、前記近位端部と前記遠位端部間に延在している吸引管腔とを具える細長い管状部材と;
前記遠位端部と近接して前記吸引管腔内に配置される切断ヘッドであって、前記吸引管腔内に吸引される物質を切除すべく、前記吸引管腔内を軸方向に往復運動する切断ヘッドと;
前記管状部材の遠位端部を越えて遠位に延在し、その遠位先端に拡張性部材を具える流動回復装置と;
前記管状部材の近位端部におけるハンドル内にクラッチ装置と、を具えており、当該クラッチ装置は前記流動回復装置に連結され、これにより、前記切断ヘッドが動作した場合に、前記クラッチ装置が前記流動回復装置の前記拡張性部材を前記管状部材の遠位端部の方へ近位に移動させることを特徴とする装置。 - 体管腔内の物質を除去するための装置において、当該装置が:
近位端部と、体管腔内に導入するサイズに作られた遠位端部と、前記近位端部と前記遠位端部間に延在している吸引管腔とを具える細長い管状部材であって、当該管状部材の遠位端部は当該管状部材の遠位端部の片側に前縁を有する傾斜した先端部で終端している管状部材と;
前記遠位端部に近接して前記吸引管腔内に配置され、前記吸引管腔内の近位位置と遠位位置の間で前記吸引管腔内を軸方向に往復運動する切断ヘッドであって、前記吸引管腔内に吸引される材料を切除すべく前記傾斜した先端部を越えては延在しない切断ヘッドと;
体管腔の壁の片側へと前記傾斜した先端部の前縁を誘導し、前記体管腔の壁の反対側から離して前記切断ヘッドを誘導する、前記傾斜した先端部の前縁と反対側の前記管状部材の外壁における拡張性部材とを具えることを特徴とする装置。 - 体管腔内の物質を除去するための装置において、当該装置が:
近位端部と、体管腔内に導入するサイズに作られた遠位端部と、前記近位端部と前記遠位端部間に延在している吸引管腔とを具える細長い管状部材と;
前記近位端部から前記遠位端部まで前記管状部材を通って延在するシャフトと;
前記シャフトに連結され、前記遠位端部に近接して前記吸引管腔内に配置された切断ヘッドであって、複数の歯を具え、前記吸引管腔内に吸引される材料を切除すべく前記吸引管腔内を軸方向に往復運動する切断ヘッドと;
前記歯が前記遠位端部が導入される体管腔の壁と接触するリスクを減少させるべく、前記遠位端部から外側へと拡張するよう構成された、前記遠位端部における拡張性部材と;
前記管状部材の遠位端部を越えて遠位に延在し、その遠位先端に拡張性部材を具える流動回復装置と;
前記管状部材の近位端部におけるハンドル内にクラッチ装置と、を具えており、当該クラッチ装置は前記流動回復装置に連結され、これにより、前記切断ヘッドが動作した場合に、前記クラッチ装置が前記流動回復装置の前記拡張性部材を前記管状部材の遠位端部の方へ近位に移動させることを特徴とする装置。 - 請求項3に記載の装置がさらに、前記管状部材の前記近位端部においてハンドル内に保持される制御システムを具えており、当該制御システムは、前記吸引管腔内での前記切断ヘッドの軸方向の往復運動を制御すべく前記シャフトに連結されていることを特徴とする装置。
- 請求項1乃至4の何れかに記載の装置がさらに、選択的に真空を前記吸引管腔に加えて前記管状部材の遠位端部内に前記物質を吸引すべく、前記吸引管腔と連通している真空源を具えることを特徴とする装置。
- 請求項1または2に記載の装置がさらに、前記管状部材の近位端部におけるハンドル内に保持される制御システムを具えており、当該制御システムは前記吸引管腔内の前記切断ヘッドの往復運動を制御することを特徴とする装置。
- 請求項6に記載の装置がさらに、前記切断ヘッドから前記管状部材の近位端部に延在している駆動シャフトを具えており、前記制御システムは前記駆動シャフトを軸方向に往復運動させるように前記駆動シャフトに連結されたモータを具え、これにより、前記管腔内を前記切断ヘッドが軸方向に往復運動することを特徴とする装置。
- 請求項1乃至7の何れかに記載の装置において、前記切断ヘッドが、前記管状部材の遠位端部から露出する曲線的な先端部と、前記切断ヘッドの側縁部に沿って延在している複数の歯とを具えることを特徴とする装置。
- 請求項1に記載の装置において、前記管状部材の遠位端部が傾斜した先端部で終端しており、前記管状部材はさらに、前記傾斜した先端部と反対側の前記管状部材の外壁に拡張性部材を具えることを特徴とする装置。
- 請求項2または9に記載の装置において、前記切断ヘッドが前記吸引管腔内に完全に収まる近位位置と遠位位置との間を移動するように、前記切断ヘッドが前記管状部材の遠位端部に対して往復運動しており、前記切断ヘッドは前記傾斜した先端部を越えて延在しないことを特徴とする装置。
- 請求項2または請求項2を引用する5乃至8、10の何れかに記載の装置がさらに、前記管状部材の遠位端部を越えて遠位に延在する流動回復装置を具えており、当該流動回復装置はその遠位先端に拡張性部材を具えることを特徴とする装置。
- 請求項11に記載の装置がさらに、前記管状部材の近位端部におけるハンドル内にクラッチ装置を具えており、当該クラッチ装置は前記流動回復装置に連結され、これにより、前記切断ヘッドが動作した場合に、前記クラッチ装置が前記流動回復装置の前記拡張性部材を前記管状部材の遠位端部の方へ近位に移動させることを特徴とする装置。
- 請求項1、3、11または12に記載の装置において、前記流動回復装置の前記拡張性部材が、前記装置が配置される体管腔の壁から接着性物質を除去する1またはそれ以上の切断要素を具えることを特徴とする装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US5979608P | 2008-06-08 | 2008-06-08 | |
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US21059609P | 2009-03-19 | 2009-03-19 | |
US61/210,596 | 2009-03-19 | ||
PCT/US2009/046659 WO2010002549A2 (en) | 2008-06-08 | 2009-06-08 | Apparatus and methods for removing obstructive material from body lumens |
Publications (3)
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JP2011522635A JP2011522635A (ja) | 2011-08-04 |
JP2011522635A5 JP2011522635A5 (ja) | 2012-07-19 |
JP5584204B2 true JP5584204B2 (ja) | 2014-09-03 |
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JP2011512752A Active JP5584204B2 (ja) | 2008-06-08 | 2009-06-08 | 体管腔から閉塞性物質を除去する装置および方法 |
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EP (1) | EP2299916B1 (ja) |
JP (1) | JP5584204B2 (ja) |
CN (1) | CN102159146B (ja) |
CA (1) | CA2726851C (ja) |
WO (1) | WO2010002549A2 (ja) |
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CN102159146A (zh) | 2011-08-17 |
CA2726851A1 (en) | 2010-01-07 |
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