JP2021509594A - 電気外科焼灼器具 - Google Patents
電気外科焼灼器具 Download PDFInfo
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- 238000000034 method Methods 0.000 abstract description 14
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Abstract
Description
図1は、侵襲性の電気外科器具の遠位端にマイクロ波エネルギー及び流体(たとえば、冷却液)を供給することができる電気外科焼灼装置100の概略図である。システム100には、高周波(RF)及びマイクロ波エネルギーを制御可能に供給するための発電機102が含まれる。この目的にとって好適な発電機は、WO2012/076844に記載されている。この文献は参照により本明細書に組み込まれている。発電機は、器具から戻って受信された反射信号をモニタして、送出にとって適切な電力レベルを決定するために配設してもよい。たとえば、発電機を、器具の遠位端において見られるインピーダンスを計算して、最適な送出電力レベルを決定するために配設してもよい。
Claims (20)
- 電気外科器具であって、
マイクロ波電磁(EM)エネルギーを伝えるための同軸伝送線を含む近位部分と、
遠位の放射部分と、
同軸伝送線のインピーダンスを前記遠位の放射部分のインピーダンスに整合するために配設された中間のインピーダンス変成器と、を含み、
前記遠位の放射部分は、前記同軸伝送線が伝える前記マイクロ波EMエネルギーを放出するためのマイクロ波アンテナを含み、
前記遠位の放射部分の最大外径は前記同軸伝送線の外径よりも小さい、電気外科器具。 - 前記同軸伝送線は、第1の誘電体材料によって近位の外部導体から分離された内部導体を含み、前記内部導体は、前記近位の外部導体の遠位端を越えて、前記中間のインピーダンス変成器を通って、前記遠位の放射部分内に延びる請求項1に記載の電気外科器具。
- 前記中間のインピーダンス変成器は4分の1波長の同軸伝送線である請求項2に記載の電気外科器具。
- 前記4分の1波長の同軸伝送線内において、前記内部導体は、前記第1の誘電体材料よりも外径が小さい第2の誘電体材料によって中間の外部導体から分離されている請求項3に記載の電気外科器具。
- 前記第2の誘電体材料は、前記近位の外部導体の前記遠位端を越えて延びる前記第1の誘電体材料の縮径部分である請求項4に記載の電気外科器具。
- 前記第2の誘電体材料は前記第1の誘電体材料よりも比誘電率が高い請求項4に記載の電気外科器具。
- 前記内部導体は前記遠位の放射部分を通って延びて前記マイクロ波アンテナの伝導性部分を形成する請求項2〜6のいずれか1項に記載の電気外科器具。
- 前記内部導体の遠位端に取り付けられた遠位の伝導性フィンガーを含み、前記遠位の伝導性フィンガーは前記マイクロ波アンテナの伝導性部分を形成する請求項2〜6のいずれか1項に記載の電気外科器具。
- 前記マイクロ波アンテナは、前記マイクロ波アンテナの前記伝導性部分上に取り付けられた遠位の誘電体材料を有する装荷モノポールアンテナである請求項7または8に記載の電気外科器具。
- 前記遠位の誘電体材料は、前記近位の外部導体の前記遠位端を越えて延びる前記第1の誘電体材料の縮径部分である請求項9に記載の電気外科器具。
- 前記遠位の誘電体材料は、前記第1の誘電体材料よりも比誘電率が高い剛体材料である請求項9に記載の電気外科器具。
- 前記マイクロ波アンテナの遠位端は、組織内への挿入が容易になるように鋭利になっている請求項7〜11のいずれか1項に記載の電気外科器具。
- 前記マイクロ波アンテナはスロットアンテナである請求項7または8に記載の電気外科器具。
- 前記遠位の放射部分は、遠位の誘電体材料によって遠位の外部導体から分離された遠位の内部導体を有する遠位の同軸伝送線を含み、前記スロットアンテナは前記遠位の外部導体の除去部分によって形成されている請求項13に記載の電気外科器具。
- 前記遠位の内部導体は前記遠位の外部導体に、前記マイクロ波アンテナの遠位先端部で電気的に接続されている請求項14に記載の電気外科器具。
- 前記遠位の放射部分は、高周波(RF)エネルギーを送出するためのバイポーラ構造を含むいずれかの先行請求項に記載の電気外科器具。
- 前記バイポーラ構造は前記マイクロ波アンテナによって形成されているいずれかの先行請求項に記載の電気外科器具。
- 電気外科装置であって、
患者の身体内に挿入できるように構成された器具コードを有する外科スコープ装置であって、前記器具コードの内部を通って器具チャネルが形成されている、前記外科スコープ装置と、
前記器具チャネルを通って挿入できるように寸法取りされたいずれかの先行請求項に記載の電気外科器具と、を含む前記電気外科装置。 - 前記外科スコープ装置は超音波可能な内視鏡である請求項18に記載の電気外科装置。
- 高周波(RF)エネルギー及びマイクロ波エネルギーを前記同軸伝送線に別個または同時に供給するために接続された電気外科発電機をさらに含み、前記器具は複数の処置モードにおいて選択的に動作可能であり、前記複数の処置モードは、(i)マイクロ波のみ、(ii)RFのみ、(iii)RFの後にマイクロ波、(iv)マイクロ波の後にRF、(v)RF及びマイクロ波を同時、のうちのいずれかを含む請求項18に記載の電気外科装置。
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JP2023075978A JP2023100818A (ja) | 2017-12-27 | 2023-05-02 | 電気外科焼灼器具 |
JP2023075979A JP2023100819A (ja) | 2017-12-27 | 2023-05-02 | 電気外科焼灼器具 |
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GB1721995.7A GB2569812A (en) | 2017-12-27 | 2017-12-27 | Electrosurgical ablation instrument |
GB1721995.7 | 2017-12-27 | ||
PCT/EP2018/086237 WO2019129648A1 (en) | 2017-12-27 | 2018-12-20 | Electrosurgical ablation instrument |
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JP2023075979A Division JP2023100819A (ja) | 2017-12-27 | 2023-05-02 | 電気外科焼灼器具 |
JP2023075978A Division JP2023100818A (ja) | 2017-12-27 | 2023-05-02 | 電気外科焼灼器具 |
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JP2023075979A Pending JP2023100819A (ja) | 2017-12-27 | 2023-05-02 | 電気外科焼灼器具 |
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JP2023075978A Pending JP2023100818A (ja) | 2017-12-27 | 2023-05-02 | 電気外科焼灼器具 |
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EP (3) | EP3988044B1 (ja) |
JP (3) | JP7280626B2 (ja) |
KR (1) | KR20200102989A (ja) |
CN (3) | CN111565663B (ja) |
AU (1) | AU2018394011A1 (ja) |
BR (1) | BR112020010666A2 (ja) |
CA (1) | CA3084509A1 (ja) |
DK (1) | DK3731776T3 (ja) |
ES (1) | ES2910014T3 (ja) |
GB (1) | GB2569812A (ja) |
IL (1) | IL274792A (ja) |
PT (1) | PT3731776T (ja) |
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GB2576481B (en) * | 2018-05-30 | 2022-07-20 | Creo Medical Ltd | Electrosurgical instrument |
GB2583715A (en) * | 2019-04-30 | 2020-11-11 | Creo Medical Ltd | Electrosurgical system |
GB2583490A (en) * | 2019-04-30 | 2020-11-04 | Creo Medical Ltd | Electrosurgical system |
GB2589589A (en) * | 2019-12-03 | 2021-06-09 | Creo Medical Ltd | Electrosurgical instrument |
GB2594438A (en) * | 2019-12-05 | 2021-11-03 | Creo Medical Ltd | Electrosurgical instrument, generator and apparatus |
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2017
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2018
- 2018-12-20 CA CA3084509A patent/CA3084509A1/en active Pending
- 2018-12-20 ES ES18827087T patent/ES2910014T3/es active Active
- 2018-12-20 EP EP21213841.6A patent/EP3988044B1/en active Active
- 2018-12-20 EP EP21213905.9A patent/EP4000549B1/en active Active
- 2018-12-20 CN CN201880076180.8A patent/CN111565663B/zh active Active
- 2018-12-20 DK DK18827087.0T patent/DK3731776T3/da active
- 2018-12-20 CN CN202310381057.XA patent/CN116370064A/zh active Pending
- 2018-12-20 AU AU2018394011A patent/AU2018394011A1/en not_active Abandoned
- 2018-12-20 JP JP2020529212A patent/JP7280626B2/ja active Active
- 2018-12-20 KR KR1020207014371A patent/KR20200102989A/ko not_active Application Discontinuation
- 2018-12-20 BR BR112020010666-6A patent/BR112020010666A2/pt unknown
- 2018-12-20 SG SG11202004756WA patent/SG11202004756WA/en unknown
- 2018-12-20 PT PT188270870T patent/PT3731776T/pt unknown
- 2018-12-20 WO PCT/EP2018/086237 patent/WO2019129648A1/en active Search and Examination
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- 2023-05-02 JP JP2023075979A patent/JP2023100819A/ja active Pending
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Also Published As
Publication number | Publication date |
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GB2569812A (en) | 2019-07-03 |
JP7280626B2 (ja) | 2023-05-24 |
CN111565663B (zh) | 2023-04-28 |
SG11202004756WA (en) | 2020-07-29 |
JP2023100818A (ja) | 2023-07-19 |
RU2020117031A3 (ja) | 2022-01-27 |
EP3731776B1 (en) | 2022-02-23 |
WO2019129648A1 (en) | 2019-07-04 |
EP4000549B1 (en) | 2024-05-22 |
GB201721995D0 (en) | 2018-02-07 |
KR20200102989A (ko) | 2020-09-01 |
ES2910014T3 (es) | 2022-05-11 |
BR112020010666A2 (pt) | 2020-11-10 |
US20200360085A1 (en) | 2020-11-19 |
EP3988044A1 (en) | 2022-04-27 |
JP2023100819A (ja) | 2023-07-19 |
EP4000549A1 (en) | 2022-05-25 |
PT3731776T (pt) | 2022-04-05 |
RU2020117031A (ru) | 2022-01-27 |
CN116370065A (zh) | 2023-07-04 |
DK3731776T3 (da) | 2022-03-28 |
CN111565663A (zh) | 2020-08-21 |
EP3988044B1 (en) | 2024-05-22 |
EP3731776A1 (en) | 2020-11-04 |
IL274792A (en) | 2020-07-30 |
CA3084509A1 (en) | 2019-07-04 |
AU2018394011A1 (en) | 2020-06-04 |
CN116370064A (zh) | 2023-07-04 |
EP4000549C0 (en) | 2024-05-22 |
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