JP6616285B2 - 能動的に制御可能なステント、ステントグラフト、心臓弁、及びそれらを制御する方法 - Google Patents
能動的に制御可能なステント、ステントグラフト、心臓弁、及びそれらを制御する方法 Download PDFInfo
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- JP6616285B2 JP6616285B2 JP2016514106A JP2016514106A JP6616285B2 JP 6616285 B2 JP6616285 B2 JP 6616285B2 JP 2016514106 A JP2016514106 A JP 2016514106A JP 2016514106 A JP2016514106 A JP 2016514106A JP 6616285 B2 JP6616285 B2 JP 6616285B2
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Description
本発明は、例えば、以下を提供する。
(項目1)
所与の形状に設定される形状記憶材料の自己拡張型/強制拡張型のステントを、駆動ワイヤを有する送達システムにより、低減された移植サイズまで収縮させるステップであって、前記ステントが、前記駆動ワイヤに動作可能に接続される調節可能な要素を持つ選択的に調節可能なアセンブリを有し、前記調節可能な要素が前記駆動ワイヤにより調節されるときに、自己拡張型の前記ステントの少なくとも一部分における構成の変化が生じるようになっている、ステップと、
収縮された前記ステントを、前記ステントが移植されるべき患者固有の弁輪に挿入するステップと、
前記駆動ワイヤを前記送達システムにより回転させて、前記ステントを前記弁輪の中へ強制的に拡張させるステップと、
前記駆動ワイヤを回転させる間に、前記駆動ワイヤに加えられるトルクを前記送達システムにより求めるステップと、
求められたトルクの値に基づいて前記駆動ワイヤの回転を停止させるステップとを含む、ステントを移植するための方法。
(項目2)
ユーザに動的な前記トルクの値を与えて、前記ユーザが前記ステントの拡張及び収縮を変化させることができるようにするステップをさらに含む、項目1に記載の方法。
(項目3)
前記ステントを前記送達システムから接続解除して、前記ステントを前記弁輪の中に移植するステップをさらに含む、項目2に記載の方法。
(項目4)
前記ステントを前記送達システムから接続解除して、前記ステントを前記弁輪の中に移植するステップをさらに含む、項目1に記載の方法。
(項目5)
前記送達システムが、前記駆動ワイヤに接続された、前記駆動ワイヤを回転させるための少なくとも1つの駆動ワイヤモータを有し、前記方法が、
前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流を測定すること、及び
前記電流の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させることによって、
前記停止させるステップを実行するステップをさらに含む、項目1に記載の方法。
(項目6)
拡張する前記ステントの格子によって前記弁輪に与えられる外向きの半径方向力を、前記電流の前記値を用いて算出するステップと、
算出された前記外向きの半径方向力の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させるステップとをさらに含む、項目5に記載の方法。
(項目7)
前記送達システムが、前記駆動ワイヤに接続された、前記駆動ワイヤを回転させるための少なくとも1つの駆動ワイヤモータを有し、前記方法が、
拡張する前記ステントの格子により与えられる外向きの半径方向力を、前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流に基づいて求めること、及び
算出された前記外向きの半径方向力の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させることによって、
前記停止させるステップを実行するステップをさらに含む、項目1に記載の方法。
(項目8)
駆動ワイヤを有する送達システムにより、ステントを低減された移植サイズまで収縮させるステップであって、前記ステントが、前記駆動ワイヤに動作可能に接続される調節可能な要素を持つ選択的に調節可能なアセンブリを有し、前記調節可能な要素が前記駆動ワイヤにより調節されるときに、前記ステントの少なくとも一部分における構成の変化が生じるようになっている、ステップと、
収縮された前記ステントを、前記ステントが移植されるべき患者固有の弁輪に挿入するステップと、
前記駆動ワイヤを前記送達システムにより回転させて、前記ステントを前記弁輪の中へ強制的に拡張させるステップと、
前記駆動ワイヤを回転させる間に、前記駆動ワイヤに加えられるトルクを送達システムにより求めるステップと、
求められた前記トルクの値に基づいて前記駆動ワイヤの回転を停止させるステップとを含む、ステントを移植するための方法。
(項目9)
ユーザに動的な前記トルクの値を与えて、前記ユーザが前記ステントの拡張及び収縮を変化させることができるようにするステップをさらに含む、項目8に記載の方法。
(項目10)
前記ステントを前記送達システムから接続解除して、前記ステントを前記弁輪の中に移植するステップをさらに含む、項目9に記載の方法。
(項目11)
前記ステントを前記送達システムから接続解除して、前記ステントを前記弁輪の中に移植するステップをさらに含む、項目8に記載の方法。
(項目12)
前記送達システムが、前記駆動ワイヤに接続された、前記駆動ワイヤを回転させるための少なくとも1つの駆動ワイヤモータを有し、前記方法が、
前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流を測定すること、及び
前記電流の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させることによって、
前記停止させるステップを実行するステップをさらに含む、項目8に記載の方法。
(項目13)
拡張する前記ステントの格子によって前記弁輪に与えられる外向きの半径方向力を、前記電流の前記値を用いて算出するステップと、
算出された前記外向きの半径方向力の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させるステップとをさらに含む、項目12に記載の方法。
(項目14)
前記送達システムが、前記駆動ワイヤに接続された、前記駆動ワイヤを回転させるための少なくとも1つの駆動ワイヤモータを有し、前記方法が、
拡張する前記ステントの格子により与えられる外向きの半径方向力を、前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流に基づいて求めること、及び
算出された前記外向きの半径方向力の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させることによって、
前記停止させるステップを実行するステップをさらに含む、項目8に記載の方法。
(項目15)
駆動ワイヤを有する送達システムにより、ステントを低減された移植サイズまで収縮させるステップであって、前記ステントが、前記駆動ワイヤに動作可能に接続される調節可能な要素を持つ選択的に調節可能なアセンブリを有し、前記調節可能な要素が前記駆動ワイヤにより調節されるときに、前記ステントの少なくとも一部分における構成の変化が生じるようになっている、ステップと、
収縮された前記ステントを、前記ステントが移植されるべき患者固有の弁輪に挿入するステップと、
前記駆動ワイヤを前記送達システムにより移動させて、前記ステントを前記弁輪の中へ強制的に拡張させるステップと、
前記駆動ワイヤを移動させる間に、前記駆動ワイヤに加えられるトルクを前記送達システムにより求めるステップと、
求められた前記トルクの値に基づいて前記駆動ワイヤの移動を停止させるステップとを含む、ステントを移植するための方法。
(項目16)
前記移動させるステップが、前記駆動ワイヤを回転させて、前記ステントを前記弁輪の中へ強制的に拡張させるステップを含む、項目15に記載の方法。
(項目17)
ユーザに動的な前記トルクの値を与えて、前記ユーザが前記ステントの拡張及び収縮を変化させることができるようにするステップをさらに含む、項目15に記載の方法。
(項目18)
前記ステントを前記送達システムから接続解除して、前記ステントを前記弁輪の中に移植するステップをさらに含む、項目17に記載の方法。
(項目19)
前記ステントを前記送達システムから接続解除して、前記ステントを前記弁輪の中に移植するステップをさらに含む、項目15に記載の方法。
(項目20)
前記送達システムが、前記駆動ワイヤに接続された、前記駆動ワイヤを回転させるための少なくとも1つの駆動ワイヤモータを有し、前記方法が、
前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流を測定すること、及び
前記電流の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させることによって、
前記停止させるステップを実行するステップをさらに含む、項目15に記載の方法。
(項目21)
拡張する前記ステントの格子によって前記弁輪に与えられる外向きの半径方向力を、前記電流の前記値を用いて算出するステップと、
算出された前記外向きの半径方向力の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させるステップをさらに含む、項目20に記載の方法。
(項目22)
前記送達システムが、前記駆動ワイヤに接続された、前記駆動ワイヤを回転させるための少なくとも1つの駆動ワイヤモータを有し、前記方法が、
拡張する前記ステントの格子により与えられる外向きの半径方向力を、前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流に基づいて求めること、及び
算出された前記外向きの半径方向力の値に基づいて前記少なくとも1つの駆動ワイヤモータを停止させ、それによって前記駆動ワイヤの回転を停止させることによって、
前記停止させるステップを実行するステップをさらに含む、項目15に記載の方法。
Claims (22)
- ステントと駆動ワイヤを有する送達システムとを含むシステムであって、
前記送達システムは、前記ステントを移植するために使用され、
前記送達システムは、所与の形状に設定される形状記憶材料の自己拡張型のステントを低減された移植サイズまで収縮させるために構成され、
前記ステントは、前記駆動ワイヤに動作可能に接続される調節可能な要素を持つ選択的に調節可能なアセンブリを有し、前記調節可能な要素が前記駆動ワイヤにより調節されるときに、前記自己拡張型のステントの少なくとも一部分における構成の変化が生じるようになっており、
前記送達システムは、前記収縮されたステントを、前記ステントが移植されるべき固有の弁輪に挿入するために構成され、
前記駆動ワイヤは、前記送達システムを用いて回転させられることにより、前記ステントを強制的に拡張させるように構成され、
前記送達システムは、前記駆動ワイヤが回転させられている間に、前記駆動ワイヤに加えられるトルクを決定するように構成され、
前記駆動ワイヤは、前記ステントが前記固有の弁輪に接触しかつ第1の直径を有するときに、前記決定されたトルクの値に基づいて回転を停止させられるように構成され、
前記駆動ワイヤは、前記ステントが前記固有の弁輪に接触した後、前記第1の直径から第2の直径に前記ステントを漸進的に拡張させるために、回転することおよび回転を停止することを繰り返し行わせられるように構成されている、システム。 - ユーザに前記トルクの動的な値を提供するための手段と、前記ユーザが前記ステントの拡張および収縮を変化させることを可能にするための手段とをさらに含む、請求項1に記載のシステム。
- 前記ステントを前記送達システムから接続解除して、前記ステントを前記固有の弁輪の中に移植するための手段をさらに含む、請求項2に記載のシステム。
- 前記ステントを前記送達システムから接続解除して、前記ステントを前記固有の弁輪の中に移植するための手段をさらに含む、請求項1に記載のシステム。
- 前記送達システムは、
前記駆動ワイヤを回転させるために前記駆動ワイヤに接続された少なくとも1つの駆動ワイヤモータと、
前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流を測定するための手段と
を有し、前記少なくとも1つの駆動ワイヤモータは、前記電流の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項1に記載のシステム。 - 前記送達システムは、
前記拡張するステントの格子によって前記固有の弁輪に与えられる外向きの半径方向力を、前記電流の前記値を用いて算出するための手段をさらに含み、
前記少なくとも1つの駆動ワイヤモータは、前記算出された外向きの半径方向力の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項5に記載のシステム。 - 前記送達システムは、
前記駆動ワイヤを回転させるために前記駆動ワイヤに接続された少なくとも1つの駆動ワイヤモータと、
前記拡張するステントの格子によって与えられる外向きの半径方向力を、前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流に基づいて決定するための手段と
を有し、前記少なくとも1つの駆動ワイヤモータは、前記決定された外向きの半径方向力の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項1に記載のシステム。 - ステントと駆動ワイヤを有する送達システムとを含むシステムであって、
前記送達システムは、前記ステントを移植するために使用され、
前記送達システムは、ステントを低減された移植サイズまで収縮させるために構成され、
前記ステントは、前記駆動ワイヤに動作可能に接続される調節可能な要素を持つ選択的に調節可能なアセンブリを有し、前記調節可能な要素が前記駆動ワイヤにより調節されるときに、前記ステントの少なくとも一部分における構成の変化が生じるようになっており、
前記送達システムは、前記収縮されたステントを、前記ステントが移植されるべき固有の弁輪に挿入するために構成され、
前記駆動ワイヤは、前記送達システムにより回転させられることにより、前記ステントを強制的に拡張させるように構成され、
前記送達システムは、前記駆動ワイヤを回転させる間に、前記駆動ワイヤに加えられるトルクを決定するように構成され、
前記駆動ワイヤは、前記ステントが前記固有の弁輪に接触しかつ第1の直径を有するときに、前記決定されたトルクの値に基づいて回転を停止させられるように構成され、
前記駆動ワイヤは、前記ステントが前記固有の弁輪に接触した後、前記第1の直径から第2の直径に前記ステントを漸進的に拡張させるために、回転することおよび回転を停止することを繰り返し行わせられるように構成されている、システム。 - ユーザに前記トルクの動的な値を提供するための手段と、前記ユーザが前記ステントの拡張および収縮を変化させることを可能にするための手段とをさらに含む、請求項8に記載のシステム。
- 前記ステントを前記送達システムから接続解除して、前記ステントを前記固有の弁輪の中に移植するための手段をさらに含む、請求項9に記載のシステム。
- 前記ステントを前記送達システムから接続解除して、前記ステントを前記固有の弁輪の中に移植するための手段をさらに含む、請求項8に記載のシステム。
- 前記送達システムは、
前記駆動ワイヤを回転させるために前記駆動ワイヤに接続された少なくとも1つの駆動ワイヤモータと、
前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流を測定するための手段と
を有し、前記少なくとも1つの駆動ワイヤモータは、前記電流の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項8に記載のシステム。 - 前記拡張するステントの格子によって前記固有の弁輪に与えられる外向きの半径方向力を、前記電流の前記値を用いて算出するための手段をさらに含み、
前記少なくとも1つの駆動ワイヤモータは、前記算出された外向きの半径方向力の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項12に記載のシステム。 - 前記送達システムは、
前記駆動ワイヤを回転させるために前記駆動ワイヤに接続された少なくとも1つの駆動ワイヤモータと、
前記拡張するステントの格子によって与えられる外向きの半径方向力を、前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流に基づいて決定するための手段と
を有し、前記少なくとも1つの駆動ワイヤモータは、前記決定された外向きの半径方向力の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項8に記載のシステム。 - ステントと駆動ワイヤを有する送達システムとを含むシステムであって、
前記送達システムは、前記ステントを移植するために使用され、
前記送達システムは、ステントを低減された移植サイズまで収縮させるために構成され、
前記ステントは、前記駆動ワイヤに動作可能に接続される調節可能な要素を持つ選択的に調節可能なアセンブリを有し、前記調節可能な要素が前記駆動ワイヤにより調節されるときに、前記ステントの少なくとも一部分における構成の変化が生じるようになっており、
前記送達システムは、前記収縮されたステントを、前記ステントが移植されるべき固有の弁輪に挿入するために構成され、
前記駆動ワイヤは、前記送達システムにより移動させられることにより、前記ステントを強制的に拡張させるように構成され、
前記送達システムは、前記駆動ワイヤを移動させる間に、前記駆動ワイヤに加えられるトルクを決定するように構成され、
前記駆動ワイヤは、前記ステントが前記固有の弁輪に接触しかつ第1の直径を有するときに、前記決定されたトルクの値に基づいて移動を停止させられるように構成され、
前記駆動ワイヤは、前記ステントが前記固有の弁輪に接触した後、前記第1の直径から第2の直径に前記ステントを漸進的に拡張させるために、移動することおよび停止することを繰り返し行わせられるように構成されている、システム。 - 前記駆動ワイヤは、回転させられることにより、前記ステントを前記固有の弁輪の中へ強制的に拡張させるように移動させられるように構成されている、請求項15に記載のシステム。
- ユーザに前記トルクの動的な値を提供するための手段と、前記ユーザが前記ステントの拡張および収縮を変化させることを可能にするための手段とをさらに含む、請求項15に記載のシステム。
- 前記ステントを前記送達システムから接続解除して、前記ステントを前記固有の弁輪の中に移植するための手段をさらに含む、請求項17に記載のシステム。
- 前記ステントを前記送達システムから接続解除して、前記ステントを前記固有の弁輪の中に移植するための手段をさらに含む、請求項15に記載のシステム。
- 前記送達システムは、
前記駆動ワイヤを回転させるために前記駆動ワイヤに接続された少なくとも1つの駆動ワイヤモータと、
前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流を測定するための手段と
を有し、前記少なくとも1つの駆動ワイヤモータは、前記電流の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項15に記載のシステム。 - 前記拡張するステントの格子によって前記固有の弁輪に与えられる外向きの半径方向力を、前記電流の前記値を用いて算出するための手段をさらに含み、
前記少なくとも1つの駆動ワイヤモータは、前記算出された外向きの半径方向力の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項20に記載のシステム。 - 前記送達システムは、
前記駆動ワイヤを回転させるために前記駆動ワイヤに接続された少なくとも1つの駆動ワイヤモータと、
前記拡張するステントの格子により与えられる外向きの半径方向力を、前記少なくとも1つの駆動ワイヤモータを駆動するのに必要な電流に基づいて決定するための手段と
を有し、前記少なくとも1つの駆動ワイヤモータは、前記決定された外向きの半径方向力の値に基づいて、停止し、それによって前記駆動ワイヤの回転を停止させるように構成されている、請求項15に記載のシステム。
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AU2014265302A1 (en) | 2015-11-19 |
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AU2018203853A1 (en) | 2018-06-21 |
US10874508B2 (en) | 2020-12-29 |
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