JP6437585B2 - 流体冷却されるアンテナアセンブリへの熱フィードバック制御された流量の流体流のためのシステムおよびそれを用いて組織にエネルギーを導く方法 - Google Patents
流体冷却されるアンテナアセンブリへの熱フィードバック制御された流量の流体流のためのシステムおよびそれを用いて組織にエネルギーを導く方法 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- 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
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
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- A—HUMAN NECESSITIES
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- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00684—Sensing and controlling the application of energy using lookup tables
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00744—Fluid flow
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
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Description
Claims (13)
- 電気外科手術システムであって、前記システムは、
組織にエネルギーを導くためのアンテナアセンブリを有する電気外科手術装置と、
前記電気外科手術装置を作動させるための電気外科手術用発生器と、
前記電気外科手術装置に関連する少なくとも1つの温度センサと、
前記電気外科手術装置に関連する少なくとも1つの圧力センサであって、前記少なくとも1つの圧力センサは、前記アンテナアセンブリ内の流体圧力の測定値を提供するように構成されている、圧力センサと、
弁を有する流量制御装置を含むフィードバック制御システムであって、前記弁は電気機械アクチュエータを含む、フィードバック制御システムと、
前記電気外科手術用発生器内に組み込まれた処理装置であって、前記処理装置は、前記少なくとも1つの温度センサ及び前記少なくとも1つの圧力センサに通信可能に接続され、かつ前記流量制御装置の弁の電気機械アクチュエータに通信可能に接続され、前記処理装置は、前記少なくとも1つの温度センサから受信された少なくとも1つの電気信号、及び前記少なくとも1つの圧力センサから受信された少なくとも1つの電気信号に応答して流量を選択的に調整するように前記電気機械アクチュエータを作動させることにより、前記流量制御装置を制御するように構成されている、処理装置と、
を備える、電気外科手術システム。 - 前記電気外科手術装置は、前記アンテナアセンブリの少なくとも一部の周りに冷却流体を循環させるように構成された冷却剤チャンバをさらに含む、請求項1に記載の電気外科手術システム。
- 前記少なくとも1つの温度センサは、前記冷却剤チャンバ内に配置されている、請求項2に記載の電気外科手術システム。
- 前記電気外科手術装置は、前記電気外科手術装置に少なくとも1つの冷却剤接続を提供するハブをさらに含む、請求項1に記載の電気外科手術システム。
- 前記ハブは、流体流出口及び流体流入口を画定するハブ本体を含む、請求項4に記載の電気外科手術システム。
- 前記少なくとも1つの温度センサは、前記流体流出口内に配置されている、請求項5に記載の電気外科手術システム。
- 前記電気外科手術システムは、前記流体流入口内に配置された流量センサをさらに含み、前記流量センサは流量を表す信号を生成することができる、請求項5に記載の電気外科手術システム。
- 前記弁の電気機械アクチュエータは、パルス幅変調(PWM)技術により制御される、請求項1に記載の電気外科手術システム。
- 電気外科手術システムであって、前記システムは、
組織にエネルギーを導くためのアンテナアセンブリを有する電気外科手術装置と、
前記電気外科手術装置を作動させるための電気外科手術用発生器と、
前記電気外科手術装置に関連する少なくとも1つの温度センサと、
前記電気外科手術装置に関連する少なくとも1つの圧力センサであって、前記少なくとも1つの圧力センサは、前記アンテナアセンブリ内の流体圧力の測定値を提供するように構成されている、圧力センサと、
前記電気外科手術装置に冷却流体を供給するように構成された冷却剤供給システムであって、
冷却剤源と、
前記冷却剤源から前記電気外科手術装置まで流体流を供給するために前記電気外科手術装置に流体的に接続された第1の流体流路と、
前記アンテナアセンブリから前記冷却剤源まで流体流を供給するために前記電気外科手術装置に流体的に接続された第2の流体流路と、
前記第1の流体流路及び前記第2の流体流路に流体的に接続された第3の流体流路と、
前記第3の流体流路に流体連通して配置された流量制御装置と、
を含む冷却剤供給システムと、
弁を有する流量制御装置を含むフィードバック制御システムであって、前記弁は電気機械アクチュエータを含む、フィードバック制御システムと、
を備え、
処理装置が、前記電気外科手術用発生器内に組み込まれ、かつ前記少なくとも1つの温度センサ及び前記少なくとも1つの圧力センサに通信可能に接続され、かつ前記電気機械アクチュエータに通信可能に接続されており、
前記処理装置は、前記少なくとも1つの温度センサから受信された少なくとも1つの電気信号、及び前記少なくとも1つの圧力センサから受信された少なくとも1つの電気信号に応答して流量を選択的に調整するように前記電気機械アクチュエータを作動させることにより、前記流量制御装置を制御するように構成されている、電気外科手術システム。 - 前記弁の電気機械アクチュエータは、パルス幅変調(PWM)技術により制御される、請求項9に記載の電気外科手術システム。
- 前記処理装置は、前記流量制御装置の少なくとも1つの動作パラメータを調整するための少なくとも1つの設定に対する温度データのマッピングを表す、記憶装置に格納されたデータを用いて前記流量を決定するように構成されている、請求項9に記載の電気外科手術システム。
- 前記第1の流体流路に流体連通して配置された流体移動装置をさらに含む、請求項11に記載の電気外科手術システム。
- 前記処理装置は、前記流体移動装置の少なくとも1つの動作パラメータを調整するための少なくとも1つの設定と共に、前記流量制御装置の少なくとも1つの動作パラメータを調整するための少なくとも1つの設定に対する温度データのマッピングを表す、記憶装置に格納されたデータを用いて前記流量を決定するように構成されている、請求項12に記載の電気外科手術システム。
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US13/043,694 US20120232549A1 (en) | 2011-03-09 | 2011-03-09 | Systems for thermal-feedback-controlled rate of fluid flow to fluid-cooled antenna assembly and methods of directing energy to tissue using same |
US13/043,694 | 2011-03-09 |
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JP2017066845A Active JP6437585B2 (ja) | 2011-03-09 | 2017-03-30 | 流体冷却されるアンテナアセンブリへの熱フィードバック制御された流量の流体流のためのシステムおよびそれを用いて組織にエネルギーを導く方法 |
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EP2671529A3 (en) | 2014-04-09 |
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EP2497437B1 (en) | 2013-10-02 |
CA2770810A1 (en) | 2012-09-09 |
EP2671529B1 (en) | 2016-11-23 |
JP6467119B2 (ja) | 2019-02-06 |
EP2497437A1 (en) | 2012-09-12 |
JP2012187405A (ja) | 2012-10-04 |
AU2012201440B2 (en) | 2014-05-08 |
US20120232549A1 (en) | 2012-09-13 |
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