JP6325621B2 - 焼灼規模を監視するためのシステムおよび方法 - Google Patents
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- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
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- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
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Description
Claims (19)
- コンピュータソフトウェアにより、焼灼規模を監視するためのシステムを自動的に操作する方法であって、前記方法は、
前記システムにより、組織の焼灼域を形成するために、電力源からマイクロ波アンテナにマイクロ波エネルギーを伝達することと、
前記システムにより、前記マイクロ波アンテナに連結された共振器で、前記マイクロ波アンテナから放出された近接場の電磁放射を測定することと、
前記システムにより、測定された近接場の電磁放射に対応する検出信号を前記電力源に伝達することと、
前記システムにより、前記検出信号に基づいて、前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量を調節することと、
を含む、方法。 - 前記システムにより、前記近接場の電磁放射に基づいて、前記共振器で整流直流電圧を生成すること
をさらに含む、請求項1に記載の方法。 - 前記システムにより、複数の所定の整流直流電圧値を保存することであって、前記複数の所定の整流直流電圧値のそれぞれは、前記組織の焼灼域の少なくとも1つの特性に対応すること
をさらに含む、請求項2に記載の方法。 - 前記システムにより、前記整流直流電圧と、前記複数の所定の整流直流電圧値のうち少なくとも1つとの相関に基づいて、前記組織の焼灼域の少なくとも1つの特性を予測すること
をさらに含む、請求項3に記載の方法。 - 前記システムにより、前記組織の焼灼域の予測された特性に基づいて、前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量を調節すること
をさらに含む、請求項4に記載の方法。 - 前記複数の所定の整流直流電圧値が、少なくとも1つのデータ参照表内に保存される、請求項3に記載の方法。
- 前記少なくとも1つのデータ参照表が、前記電力源と関連する記憶装置内に保存される、請求項6に記載の方法。
- 前記共振器の少なくとも一部が、前記マイクロ波アンテナ内に配置される、請求項1に記載の方法。
- 前記共振器が、間隙により分離された少なくとも2つの伝導性部分を含み、前記近接場の電磁放射が、前記間隙の全体にわたって電圧降下を引き起こす、請求項1に記載の方法。
- 前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量の調節が、前記検出信号に基づいている、請求項9に記載の方法。
- 前記共振器が、前記マイクロ波アンテナの遠位端内に配置された共振同軸供給装置を含む、請求項9に記載の方法。
- 前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量を調節することが、前記整流直流電圧と、前記複数の所定の整流直流電圧値のうち少なくとも1つとの相関に基づいて行われる、請求項3に記載の方法。
- コンピュータソフトウェアにより、焼灼規模を監視するためのシステムを自動的に操作する方法であって、前記方法は、
前記システムにより、組織の焼灼域を形成するために、電力源からマイクロ波アンテナにマイクロ波エネルギーを伝達することと、
前記システムにより、前記マイクロ波アンテナに連結された共振器で、前記マイクロ波アンテナから放出された近接場の電磁放射を測定することと、
前記システムにより、前記近接場の電磁放射に基づいて、前記共振器で整流直流電圧を生成することと、
前記システムにより、前記整流直流電圧と、前記電力源と関連する記憶装置内に保存された複数の所定の整流直流電圧値のうち少なくとも1つとの相関に基づいて、前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量を調節することと、
を含む、方法。 - 前記システムにより、前記整流直流電圧と、前記複数の所定の整流直流電圧値のうち少なくとも1つとの相関に基づいて、前記組織の焼灼域の半径を決定すること
をさらに含む、請求項13に記載の方法。 - 前記システムにより、前記組織の焼灼域の半径に基づいて、前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量を調節すること
をさらに含む、請求項14に記載の方法。 - 前記共振器の少なくとも一部が、前記マイクロ波アンテナ内に配置される、請求項13に記載の方法。
- 前記共振器が、間隙により分離された少なくとも2つの伝導性部分を含み、前記近接場の電磁放射が、前記間隙の全体にわたって電圧降下を引き起こす、請求項13に記載の方法。
- 前記電力源から前記マイクロ波アンテナに伝達されるマイクロ波エネルギーの量の調節が、検出信号に基づいている、請求項17に記載の方法。
- 前記共振器が、前記マイクロ波アンテナの遠位端内に配置された共振同軸供給装置を含む、請求項17に記載の方法。
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US12/607,221 US8430871B2 (en) | 2009-10-28 | 2009-10-28 | System and method for monitoring ablation size |
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JP2015028666A Active JP6017606B2 (ja) | 2009-10-28 | 2015-02-17 | 焼灼規模を監視するためのシステムおよび方法 |
JP2016190063A Active JP6325621B2 (ja) | 2009-10-28 | 2016-09-28 | 焼灼規模を監視するためのシステムおよび方法 |
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