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公开(公告)号：US20200367966A1
公开(公告)日：2020-11-26
申请号：US16881780
申请日：2020-05-22
IPC分类号： A61B18/18
摘要： An electrosurgical device (10) is provided that is operable to deliver microwave energy within a controlled angular expanse to cause targeted tissue ablation. The device (10) comprises a blocking or reflecting material such as cylindrical members (34) that are laterally spaced from the antenna (20) that is operable to emit the microwave energy. The reflecting material creates regions in and/or surrounding the device into which sensors (51), such as thermocouple wires, may be placed to monitor a condition associated with the device or the patient's body.
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公开(公告)号：US20240285340A1
公开(公告)日：2024-08-29
申请号：US18572857
申请日：2022-06-21
CPC分类号： A61B18/1815 , A61B2018/00577 , A61B2018/00654 , A61B2018/00708 , A61B2018/00779 , A61B2018/00875 , A61B2018/1823
摘要： A method of ablating tissue uses a microwave ablation system with a plurality of applicators. The method includes the steps of having the applicators inserted into the tissue and located in and/or adjacent a target tissue section and having the system perform an ablation cycle by activating at least one of the applicators so that the at least one applicator emits electromagnetic radiation that is sufficiently strong to cause ablation of the target tissue section. The at least one applicator comprises a directional applicator that emits radiation to define an angular radiation pattern. The step of having the applicators inserted into the tissue includes the step of orienting the directional applicator so that the angular radiation pattern extends from the directional applicator toward the target tissue section. The method also includes the step of having the system perform a sensing cycle that includes the step of using one or more of the applicators to take a measurement associated with a dielectric property of the tissue.
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公开(公告)号：US11135010B2
公开(公告)日：2021-10-05
申请号：US16881780
申请日：2020-05-22
摘要： An electrosurgical device (10) is provided that is operable to deliver microwave energy within a controlled angular expanse to cause targeted tissue ablation. The device (10) comprises a blocking or reflecting material such as cylindrical members (34) that are laterally spaced from the antenna (20) that is operable to emit the microwave energy. The reflecting material creates regions in and/or surrounding the device into which sensors (51), such as thermocouple wires, may be placed to monitor a condition associated with the device or the patient's body.
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公开(公告)号：US20210393328A1
公开(公告)日：2021-12-23
申请号：US17465169
申请日：2021-09-02
IPC分类号： A61B18/18
摘要： An electrosurgical device (10) is provided that is operable to deliver microwave energy within a controlled angular expanse to cause targeted tissue ablation. The device (10) comprises a blocking or reflecting material such as cylindrical members (34) that are laterally spaced from the antenna (20) that is operable to emit the microwave energy. The reflecting material creates regions in and/or surrounding the device into which sensors (51), such as thermocouple wires, may be placed to monitor a condition associated with the device or the patient's body.
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公开(公告)号：US20200054396A1
公开(公告)日：2020-02-20
申请号：US16478841
申请日：2018-01-26
IPC分类号： A61B18/18
摘要： A novel microwave ablation applicator includes a flexible tubular shaft and a partially encapsulated antenna. The applicator is adapted to be used with an endoscope in order to access remote targets deep within an organ of a patient. Microwave power is emitted from the antenna in a desired radiation pattern by circulating an attenuating liquid through the shaft and across a portion of the antenna. Microwave ablation systems and methods are described.
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公开(公告)号：US12023093B2
公开(公告)日：2024-07-02
申请号：US16478841
申请日：2018-01-26
CPC分类号： A61B18/1815 , A61B1/018 , A61B1/2676 , A61B2018/00023 , A61B2018/00541 , A61B2018/00577 , A61B2018/00642 , A61B2018/00785 , A61B2018/00791 , A61B2018/00982 , A61B2018/1823 , A61B2018/1838 , A61B2018/1853 , A61B2018/1861
摘要： A novel microwave ablation applicator includes a flexible tubular shaft and a partially encapsulated antenna. The applicator is adapted to be used with an endoscope in order to access remote targets deep within an organ of a patient. Microwave power is emitted from the antenna in a desired radiation pattern by circulating an attenuating liquid through the shaft and across a portion of the antenna. Microwave ablation systems and methods are described.
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公开(公告)号：US11751943B2
公开(公告)日：2023-09-12
申请号：US16477490
申请日：2018-01-26
发明人： Punit Prakash , Austin Pfannenstiel
CPC分类号： A61B18/1815 , A61B1/018 , A61B1/2676 , A61B2018/00023 , A61B2018/00541 , A61B2018/00577 , A61B2018/00642 , A61B2018/00785 , A61B2018/00791 , A61B2018/00982 , A61B2018/1823 , A61B2018/1838 , A61B2018/1853 , A61B2018/1861
摘要： A novel monitoring method evaluates tissue ablation progress. An antenna in a distal portion of an ablation applicator sends and receives electrical information from the target tissue during ablation. The information is used to determine ablation progress. A related ablation monitoring system includes a power monitor and processor operable to evaluate ablation progress based on reflected electrical properties during the ablation. The invention has particular benefits when used in endoscopic-based microwave ablation.
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公开(公告)号：US20210298827A1
公开(公告)日：2021-09-30
申请号：US16477490
申请日：2018-01-26
发明人： Punit Prakash , Austin Pfannenstiel
摘要： A novel monitoring method evaluates tissue ablation progress. An antenna in a distal portion of an ablation applicator sends and receives electrical information from the target tissue during ablation. The information is used to determine ablation progress. A related ablation monitoring system includes a power monitor and processor operable to evaluate ablation progress based on reflected electrical properties during the ablation. The invention has particular benefits when used in endoscopic-based microwave ablation.
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