JP6129174B2 - 管の評価のための装置、システム、及び方法 - Google Patents
管の評価のための装置、システム、及び方法 Download PDFInfo
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Description
更には、幾つかの実施形態においては、方法は、前記管を通じて流れる流体の流速値を前記少なくとも一つの機器から取得するステップを更に含む。この点に関しては、幾つかの場合においては、前記診断窓が、前記流速値の差分、第1微分係数、及び/又は第2微分係数が相対的に一定値の約ゼロを持つ前記心周期の一部に対応するように選択される。幾つかの実施形態においては、前記診断窓が、患者のECG信号の特徴に基づいて選択される。幾つかの実施形態においては、患者の心臓が、前記近位及び遠位圧力測定値が取得される前記少なくとも一つの心周期の間にストレスを受けない。更には、幾つかの実施形態においては、方法が、更に、前記遠位圧力測定値の少なくとも一部に対して前記近位圧力測定値の少なくとも一部を時間的に整列することを含む。
図示の本開示の実施形態が、添付図面を参照して記述される。
Claims (21)
- 少なくとも一つの機器及び前記少なくとも一つの機器と通信接続される処理ユニットを備えたシステムの作動方法において、
前記処理ユニットが、患者の管内に導入された前記少なくとも一つの機器から、前記患者の心周期の前記管の狭窄の近位の位置で管内の近位圧力測定値を取得するステップと;
前記処理ユニットが、前記患者の心周期の前記管の前記狭窄の遠位の位置で管内の遠位圧力測定値を前記少なくとも一つの機器から取得するステップと;
前記処理ユニットが、前記患者の心周期においてピーク近位圧力測定値を決定するステップと;
前記処理ユニットが、前記患者の心周期においてピーク遠位圧力測定値を決定するステップと;
前記処理ユニットが、前記患者の心周期内において前記患者の心周期の一部のみを包囲する診断窓を選択するステップと;及び
前記処理ユニットが、前記診断窓の過程で取得された前記遠位圧力測定値と前記診断窓の過程で取得された近位圧力測定値の間の圧力比を計算するステップとを含み、
前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記圧力比の計算に用いられる、方法。 - 前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差である、請求項1に記載の方法。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記ピーク近位圧力測定値から前記ピーク遠位圧力測定値を減算することにより計算される、請求項2に記載の方法。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記圧力比の計算の際に前記遠位圧力測定値に加えられる、請求項3に記載の方法。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記ピーク遠位圧力測定値から前記ピーク近位圧力測定値を減算することにより計算される、請求項2に記載の方法。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記圧力比の計算の際に前記遠位圧力測定値から減算される、請求項5に記載の方法。
- 前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記ピーク近位圧力測定値に対する前記ピーク遠位圧力測定値の比である、請求項1に記載の方法。
- 前記ピーク近位圧力測定値に対する前記ピーク遠位圧力測定値の前記比が、前記圧力比の計算においてスケール因子として用いられる、請求項7に記載の方法。
- 前記遠位圧力測定値が、前記圧力比の計算の際、前記ピーク近位圧力測定値に対する前記ピーク遠位圧力測定値の前記比により乗算される、請求項7に記載の方法。
- 前記患者の管内に導入される前記少なくとも一つの機器が、圧力検出カテーテル及び圧力検出ガイドワイヤーを含む、請求項1に記載の方法。
- 患者の管内への導入のための大きさと形状を持つ少なくとも一つの機器;
前記少なくとも一つの機器と通信接続される処理ユニットであって、
前記管の狭窄の近位の位置で前記少なくとも一つの機器が前記管内に配置される時に前記少なくとも一つの機器から患者の心周期の近位圧力測定値を取得し;
前記管の前記狭窄の遠位の位置で前記少なくとも一つの機器が前記管内に配置される時に前記少なくとも一つの機器から前記患者の心周期の遠位圧力測定値を取得し;
前記患者の心周期におけるピーク近位圧力測定値を決定し;
前記患者の心周期におけるピーク遠位圧力測定値を決定し;
前記患者の心周期内において前記患者の心周期の一部のみを包囲する診断窓を選択し;及び
前記診断窓内で得られた前記遠位圧力測定値と前記診断窓内で得られた前記近位圧力測定値の間の圧力比を計算するように構成された処理ユニットを備え、
前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記圧力比の計算に用いられる、システム。 - 前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差である、請求項11に記載のシステム。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記ピーク近位圧力測定値から前記ピーク遠位圧力測定値を減算することにより計算される、請求項12に記載のシステム。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記圧力比の計算の際に前記遠位圧力測定値に加えられる、請求項13に記載のシステム。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記ピーク遠位圧力測定値から前記ピーク近位圧力測定値を減算することにより計算される、請求項12に記載のシステム。
- 前記ピーク近位圧力測定値及び前記ピーク遠位圧力測定値の間の差が、前記圧力比の計算の際に前記遠位圧力測定値から減算される、請求項15に記載のシステム。
- 前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記ピーク近位圧力測定値に対する前記ピーク遠位圧力測定値の比である、請求項11に記載のシステム。
- 前記ピーク近位圧力測定値に対する前記ピーク遠位圧力測定値の前記比が、前記圧力比の計算においてスケール因子として用いられる、請求項17に記載のシステム。
- 前記遠位圧力測定値は、前記圧力比の計算の際に、前記ピーク近位圧力測定値に対する前記ピーク遠位圧力測定値の前記比により乗算される、請求項17に記載のシステム。
- 前記少なくとも一つの機器が圧力検出カテーテル及び圧力検出ガイドワイヤーを含む、請求項11に記載のシステム。
- 少なくとも一つの機器と通信接続される処理ユニットにより実行される指令を有するプログラムにおいて、
患者の管内に導入された前記少なくとも一つの機器から、前記患者の心周期の前記管の狭窄の近位の位置で管内の近位圧力測定値を取得する指令と;
前記患者の心周期の前記管の前記狭窄の遠位の位置で管内の遠位圧力測定値を前記少なくとも一つの機器から取得する指令と;
前記患者の心周期においてピーク近位圧力測定値を決定する指令と;
前記患者の心周期においてピーク遠位圧力測定値を決定する指令と;
前記患者の心周期内において前記患者の心周期の一部のみを包囲する診断窓を選択する指令と;及び
前記診断窓の過程で取得された前記遠位圧力測定値と前記診断窓の過程で取得された近位圧力測定値の間の圧力比を計算する指令とを含み、
前記ピーク近位圧力測定値及びピーク遠位圧力測定値に基づくパラメーターが、前記圧力比の計算に用いられる、プログラム。
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EP3120762A1 (en) | 2017-01-25 |
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EP3685738A1 (en) | 2020-07-29 |
EP2744401A2 (en) | 2014-06-25 |
EP3581102B1 (en) | 2022-10-19 |
US20210251496A1 (en) | 2021-08-19 |
US9339348B2 (en) | 2016-05-17 |
EP3581103A1 (en) | 2019-12-18 |
EP3581103B1 (en) | 2022-11-09 |
US20160206214A1 (en) | 2016-07-21 |
WO2013028613A2 (en) | 2013-02-28 |
JP2017504415A (ja) | 2017-02-09 |
US10912463B2 (en) | 2021-02-09 |
EP3581102A1 (en) | 2019-12-18 |
RU2014110701A (ru) | 2015-09-27 |
US20140207008A1 (en) | 2014-07-24 |
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