JP2011092720A - 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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Abstract
【解決手段】マイクロ波アンテナ100は、焼灼域を形成するために、電力源200から組織にマイクロ波エネルギーを運搬するように構成される。放射検出機器130は、マイクロ波アンテナ100上に操作可能に配置される。放射検出機器130は、その焼灼域の半径に対応する電圧を生成するように構成され、そこで、放射検出機器130は、電力源200と関連する少なくとも1つのモジュールと操作的に連通する。所定の閾電圧が焼灼域の半径に対応して測定される場合、少なくとも1つのモジュールが信号を引き起こす。
【選択図】図1A
Description
Claims (19)
- 焼灼規模を監視するためのシステムであって、
少なくとも1つの制御アルゴリズムを実行するためのマイクロプロセッサを含む電力源と、
焼灼域を形成するために、前記電力源から組織にマイクロ波エネルギーを運搬するように構成されたマイクロ波アンテナと、
前記マイクロ波アンテナ上に操作可能に配置された放射検出機器であって、前記放射検出機器は前記焼灼域の半径に対応する電圧を生成するように構成された放射検出機器と、を備え、
前記放射検出機器が前記電力源と関連する少なくとも1つのモジュールと操作的に連通し、所定の閾電圧が前記焼灼域の半径に対応して測定される場合、前記少なくとも1つのモジュールが信号を引き起こす、システム。 - 前記少なくとも1つのモジュールが前記電力源と関連する記憶装置と操作的に連通する焼灼域の制御モジュールを含み、前記記憶装置が前記マイクロ波アンテナと関連する整流直流電圧を含む少なくとも1つのデータ参照表を含み、前記整流直流電圧が前記焼灼域の半径に対応し、放射検出機器からの信号が前記焼灼域の制御モジュールで受け取られ、隣接する組織に対して最小の損傷を伴う適切な割合の均一な焼灼域を創出する際に、前記焼灼制御モジュールが前記マイクロ波アンテナに運搬されるマイクロ波エネルギーの量を調節するように前記電力源に指示するように構成される、請求項1に記載のシステム。
- 少なくとも一部の前記放射検出機器が、前記マイクロ波アンテナと関連する取手の遠位端で操作可能に配置され、前記マイクロ波アンテナと関連する心棒の内部分の内側に延在する、請求項1に記載のシステム。
- 前記焼灼域の制御モジュールおよび放射検出機器が、前記電力源が作動される場合に作動される、請求項2に記載のシステム。
- 前記焼灼域の制御モジュールおよび放射検出機器が、前記電力源が停止される場合に作動される、請求項2に記載のシステム。
- 前記放射検出機器が、前記マイクロ波アンテナの心棒の全長に沿って遠位に延在する共振同軸供給装置と電気的に連通する共振器を含み、前記共振同軸供給装置の遠位端が、前記マイクロ波アンテナの放射部に隣接して配置され、前記電力源から組織へのマイクロ波エネルギーの運搬の最中に放射を検出し、整流直流電圧が前記共振器で生成されかつ前記焼灼域の制御モジュールに伝えられるように、前記共振器の内部で電磁場を誘起するように構成される、請求項2に記載のシステム。
- 前記共振器が、前記共振器の内部で電磁場を共振させるように構成された、実質的に密閉した構造物である、請求項6に記載のシステム。
- 前記共振器が通常は円筒形である、請求項7に記載のシステム。
- 前記共振器が、銅、銀、金、ステンレス鋼、クロム、および真鍮から成る群から選択される金属から作製される、請求項6に記載のシステム。
- 前記共振器が、互いに電気的に連通する、および、互いに電気的に分離された2つの伝導性部分に前記共振器を分割する、通常は周方向の間隙を含み、前記2つの伝導性部分は、一対の伝導鉛を介して前記焼灼域の制御モジュールと電気的に連通する、請求項8に記載のシステム。
- 少なくとも1つのダイオードが、前記通常は周方向の間隙の全体にわたって延在し、前記共振器の前記2つの伝導性部分のそれぞれに操作可能に連結し、前記少なくとも1つのダイオードは、前記共振器の内部における電磁場に対応する整流直流電圧を生み出すように構成される、請求項10に記載のシステム。
- 誘電性被覆が、前記共振同軸供給装置と前記心棒との間の電気的短絡を防ぐために、前記心棒と前記共振同軸供給装置との間に配置される、請求項6に記載のシステム。
- 前記共振同軸供給装置が、銅、銀、金、ステンレス鋼、クロム、および真鍮から成る群から選択される金属から作製される、請求項6に記載のシステム。
- 前記マイクロ波アンテナが、球形および楕円形のうち1つである焼灼域を生み出すように構成される、請求項1に記載のシステム。
- 前記マイクロ波アンテナが、楕円形である焼灼域を生み出すように構成される、請求項1に記載のシステム。
- 前記マイクロ波アンテナおよび前記焼灼域に隣接する組織のうち1つの冷却を促進するために、冷却流体を前記マイクロ波アンテナに供給するように構成された少なくとも1つの流体ポンプ、
をさらに備える、請求項1に記載のシステム。 - 焼灼を受ける組織の温度を監視するための方法であって、前記方法は、
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、
前記組織の焼灼域が形成する際に、前記マイクロ波アンテナに沿って組織の温度の近位伝播を監視することと、
前記マイクロ波アンテナの内部で所定の直流電圧に到達する場合、検出信号を伝えることと、
前記電力源から前記マイクロ波アンテナへの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。 - 前記組織を監視するステップが、前記マイクロ波アンテナ上に操作可能に配置された放射検出機器を前記マイクロ波アンテナに設けるステップを更に含み、前記放射検出機器が前記焼灼域の半径に対応する電圧を生成するように構成され、前記放射検出機器は前記電力源と関連する少なくとも1つのモジュールと操作的に連通し、所定の直流閾電圧が前記焼灼域の半径に対応して測定される場合、前記少なくとも1つのモジュールが前記検出信号を引き起こす、請求項17に記載の方法。
- 前記マイクロ波アンテナに放射検出機器を設けるステップが、前記少なくとも1つのモジュールが前記電力源と関連する記憶装置と操作的に関連する焼灼域の制御モジュールであることを条件とすることを含み、前記記憶装置が前記マイクロ波アンテナと関連する整流直流電圧を含む少なくとも1つのデータ参照表を含み、前記整流直流電圧が前記焼灼域の半径に対応し、放射検出機器からの信号が前記焼灼域の制御モジュールで受け取られ、隣接する組織に対して最小の損傷を伴う適切な割合の均一な焼灼域を創出する際に、前記焼灼制御モジュールが前記マイクロ波アンテナに運搬されるマイクロ波エネルギーの量を調節するように前記電力源に指示するように構成される、請求項18に記載の方法。
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012130695A (ja) * | 2010-12-23 | 2012-07-12 | Vivant Medical Inc | マイクロ波場検出ニードルアセンブリ、その製造方法、それを用いた組織内照射焼灼領域の調節方法およびそれを含むシステム |
JP2016163758A (ja) * | 2011-12-21 | 2016-09-08 | ニューウェーブ メディカル, インコーポレイテッドNeuwave Medical, Inc. | エネルギー供給システム |
US9861440B2 (en) | 2010-05-03 | 2018-01-09 | Neuwave Medical, Inc. | Energy delivery systems and uses thereof |
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US8852180B2 (en) | 2014-10-07 |
JP6325621B2 (ja) | 2018-05-16 |
JP6017606B2 (ja) | 2016-11-02 |
EP2316370A1 (en) | 2011-05-04 |
JP2017018662A (ja) | 2017-01-26 |
US10213256B2 (en) | 2019-02-26 |
EP2316370B1 (en) | 2012-12-05 |
US20110098696A1 (en) | 2011-04-28 |
JP2015144832A (ja) | 2015-08-13 |
US8430871B2 (en) | 2013-04-30 |
JP5704559B2 (ja) | 2015-04-22 |
JP2018110928A (ja) | 2018-07-19 |
US20150025520A1 (en) | 2015-01-22 |
US20130237980A1 (en) | 2013-09-12 |
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