JP2011050737A - 組織温度の監視を伴うマイクロ波焼灼 - Google Patents
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Abstract
【解決手段】組織を治療するためのマイクロ波焼灼システム100は、少なくとも第1のアンテナ108および第2のアンテナ114、マイクロ波出力部102、およびセンサー構成部を含む。当該少なくとも第1のアンテナおよび第2のアンテナは組織への挿入に適合される。当該マイクロ波出力部は、マイクロ波エネルギーを発生するように適合され、少なくとも第1のアンテナに動作的に連結され、マイクロ波エネルギーを組織内へ伝達する。当該センサー構成部は、当該第1のアンテナおよび第2のアンテナと動作的に連結され、その間のマイクロ波エネルギーを動作的に監視する。
【選択図】図1
Description
Claims (21)
- 組織を治療するためのマイクロ波焼灼システムであって、前記システムは、
組織への挿入に適合した少なくとも第1のアンテナおよび第2のアンテナと、
マイクロ波エネルギーを発生するのに適合しており、少なくとも前記第1のアンテナに動作的に連結され、前記マイクロ波エネルギーを前記組織内に伝達するマイクロ波出力部と、
前記第1のアンテナおよび第2のアンテナに動作的に連結され、その間の前記マイクロ波エネルギーを動作的に監視するのに適合したセンサー構成部と、
を備えるシステム。 - 前記センサー構成部は、前記第1のアンテナおよび第2のアンテナの間にある組織の誘電率および伝導率のうち少なくとも1つを決定する、請求項1に記載のシステム。
- 前記センサー構成部は、前記第1のアンテナおよび第2のアンテナの間にある組織の誘電率の変化および伝導率の変化のうち少なくとも1つを決定する、請求項1に記載のシステム。
- 前記センサー構成部が、監視した前記マイクロ波エネルギーを利用して組織温度を決定する、請求項1に記載のシステム。
- 前記センサー構成部は、監視した前記マイクロ波エネルギーを組織温度まで描く、請求項1に記載のシステム。
- 前記マイクロ波出力部による前記マイクロ波エネルギーの発生を制御するのに適合した制御構成部であって、前記制御構成部は、前記センサー構成部と動作的に連通しており、監視した前記マイクロ波エネルギーの変化が所定の閾値に達するまで、前記マイクロ波出力部に前記マイクロ波エネルギーを発生させるように動作的に指示する制御構成部をさらに備える、請求項1に記載のシステム。
- 前記制御構成部は、前記マイクロ波出力部および前記センサー構成部のうち少なくとも1つを有するマイクロ波発生器の外側にある、請求項6に記載のシステム。
- 前記マイクロ波出力部は伝達モードおよび受容モードを有し、前記マイクロ波出力部は、前記伝達モードにある場合は前記マイクロ波エネルギーを発生し、前記受容モードにある場合は非治療的マイクロ波エネルギーを発生する、請求項1に記載のシステム。
- 前記センサー構成部は、前記マイクロ波出力部が前記受容モードにある場合、前記第1のアンテナによって受容されたマイクロ波エネルギーを受容する、請求項8に記載のシステム。
- 前記伝達モードおよび前記受信モードのうち少なくとも1つにある前記マイクロ波出力部を制御するように適合した制御構成部をさらに備える、請求項1に記載のシステム。
- 前記制御構成部が、第1の期間には前記伝達モードに、第2の期間には前記受容モードにあるように前記マイクロ波出力部に指示する、請求項9に記載のシステム。
- 組織を治療するためのマイクロ波焼灼システムであって、前記システムは、
組織への挿入に適合した少なくとも第1のアンテナおよび第2のアンテナと、
第1の周波数の第1のマイクロ波エネルギーを発生するのに適合した第1のマイクロ波出力部であって、前記第1のマイクロ波出力部は、前記第1の周波数の第1のマイクロ波エネルギーを前記組織へ伝達するように構成される前記第1のアンテナと動作的に連結された、第1のマイクロ波出力部と、
第2の周波数の第2のマイクロ波エネルギーを発生する第2のマイクロ波出力部であって、前記第2のマイクロ波出力部は、前記第2の周波数の第2のマイクロ波エネルギーを前記組織へ伝達するように構成される前記第2のアンテナと動作的に連結された、第2のマイクロ波出力部と、
前記第2のアンテナに動作的に連結され、前記第1の周波数の第1のマイクロ波エネルギーを前記組織から受容するように適合した第1の受容器と、
前記第1のアンテナに動作的に連結され、前記第2の周波数の第2のマイクロ波エネルギーを前記組織から受容するように適合した第2の受容器と、
前記第1のアンテナおよび第2のアンテナ、および前記第1の受容器および第2の受容器と動作的に連結されるセンサー構成部であって、前記センサー構成部は、前記第1のアンテナおよび第2のアンテナの間の第1および第2のマイクロ波エネルギーのうち少なくとも1つを作動的に監視するように適合されるセンサー構成部と、
を備えるシステム。 - 前記第1の周波数の前記第1のマイクロ波エネルギーを大幅に濾波するのに適合した濾波器であって、前記濾波器は、前記センサー構成部と前記第1のアンテナとの間に、その間にある前記第1の周波数の前記第1のマイクロ波エネルギーを濾波するように動作的に連結される濾波器をさらに備える、請求項11に記載のシステム。
- 前記第1のマイクロ波出力部は前記第1のマイクロ波エネルギーを発生し、前記第2のマイクロ波出力部は第1の期間に同時に前記第2のマイクロ波エネルギーを発生する、請求項11に記載のシステム。
- 前記第1の受容器が、循環装置、断路器、および双方向性結合器のうち1つである、請求項11に記載のシステム。
- 組織を治療する方法であって、前記方法は、
第1のアンテナおよび第2のアンテナを設けるステップと、
前記第1のアンテナおよび第2のアンテナを組織内に挿入するステップと、
マイクロ波エネルギーを発生するステップと、
前記第1のアンテナから前記組織の中を通って前記マイクロ波エネルギーを照射するステップと、
前記第2のアンテナで前記組織から前記マイクロ波エネルギーを受容するステップと、
前記第1のアンテナおよび第2のアンテナの間のマイクロ波エネルギーを感知するステップと、
を含む方法。 - 前記第1のアンテナおよび第2のアンテナの間の誘電率、伝導率、誘電率の変化、および伝導率の変化のうち1つ以上を試算するステップをさらに含む、請求項15に記載の方法。
- 感知した前記マイクロ波エネルギーを利用して組織温度を決定するステップをさらに含む、請求項15に記載の方法。
- 前記発生ステップが、所定の閾値が満たされるまで前記マイクロ波エネルギーを発生するステップをさらに含む、請求項15に記載の方法。
- 前記所定の閾値は、組織の誘電率、組織の伝導率、組織の誘電率の変化、組織の伝導率の変化、前記第1のアンテナおよび第2のアンテナの間の誘電率、前記第1のアンテナおよび第2のアンテナの間の伝導率、前記第1のアンテナおよび第2のアンテナの間の誘電率の変化、および、前記第1のアンテナおよび第2のアンテナの間の伝導率の変化のうち1つである、請求項16に記載の方法。
- 前記マイクロ波エネルギーの試験パルスを発生し、それによって、前記第1のアンテナおよび第2のアンテナの間のマイクロ波エネルギーを感知するステップをさらに含む、請求項15に記載の方法。
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| JP2015521497A (ja) * | 2012-06-22 | 2015-07-30 | コビディエン エルピー | マイクロ波焼灼システムのためのマイクロ波温度測定 |
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| US10828100B2 (en) * | 2009-08-25 | 2020-11-10 | Covidien Lp | Microwave ablation with tissue temperature monitoring |
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- 2009-08-25 US US12/547,155 patent/US10828100B2/en not_active Expired - Fee Related
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- 2010-08-25 JP JP2010187961A patent/JP2011050737A/ja active Pending
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2015
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- 2020-10-22 US US17/076,910 patent/US12004806B2/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2015521497A (ja) * | 2012-06-22 | 2015-07-30 | コビディエン エルピー | マイクロ波焼灼システムのためのマイクロ波温度測定 |
| US9743986B2 (en) | 2012-06-22 | 2017-08-29 | Covidien Lp | Microwave thermometry for microwave ablation systems |
| US10363095B2 (en) | 2012-06-22 | 2019-07-30 | Covidien Lp | Microwave thermometry for microwave ablation systems |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6129882B2 (ja) | 2017-05-17 |
| US12004806B2 (en) | 2024-06-11 |
| EP2289451B1 (en) | 2013-04-03 |
| US20210038301A1 (en) | 2021-02-11 |
| JP2015109995A (ja) | 2015-06-18 |
| EP2289451A1 (en) | 2011-03-02 |
| US10828100B2 (en) | 2020-11-10 |
| US20110054458A1 (en) | 2011-03-03 |
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