JP2018538058A - 治療部位でマイクロ波エネルギーを放射し液体を排出するための電気手術器具 - Google Patents
治療部位でマイクロ波エネルギーを放射し液体を排出するための電気手術器具 Download PDFInfo
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Abstract
Description
中空の内部誘電管1314は、外部本体1304を通じて液体源(図示せず)へと延びる。(例えばPTFEから作られた)誘電スペーサ1326は、内部本体1320と外導体1316の近位端を分離する(かつ、確実にその間を電気的に隔離する)。
Claims (24)
- 細長いプローブを備えた電気手術器具であって、前記細長いプローブは、マイクロ波電磁(EM)エネルギーを運ぶための同軸伝送線と、前記マイクロ波エネルギーを受けるために前記同軸伝送線の遠位端に連結されたプローブチップと、前記プローブチップへと前記細長いプローブを通じて液体を運ぶために前記同軸伝送線の内部に置かれた液体チャネルとを備え、前記同軸伝送線は、中空の内導体と、外導体と、前記内導体を前記外導体から分離する第1誘電材料と、前記中空の内導体の内面上にある中空の第2誘電材料とを備え、前記液体チャネルは前記中空の第2誘電材料の内部に置かれ、前記プローブチップはそこを通じて走るプローブチップチャネルを有し、前記プローブチップチャネルはその遠位端の開口部内で終結し、前記プローブチップは、前記同軸伝送線からマイクロ波エネルギーを受けるよう連結された導電素子を含み、前記導電素子は前記プローブチップから外側にマイクロ波EM場を放射するための放射アンテナ構造を形成し、前記器具はさらに液体チャネルの内部に置かれた中空の針を備え、前記針の第1端は前記液体チャネルと流体連通し、前記針の第2端は前記液体チャネルから前記プローブチップの前記開口部を通じて目標領域へと液体を送達するために配置される、前記電気手術器具。
- 前記マイクロ波周波数EMエネルギーが、400MHz以上で100GHz以下の周波数を有する、請求項1に記載の電気手術器具。
- 前記プローブチップが、前記同軸伝送線の遠位端を越えて前記中空の第2誘電材料の継続を備える、請求項1または2に記載の電気手術器具。
- 前記導電素子が、前記プローブチップチャネルの内面上に配置された伝導シェルである、先行請求項のいずれかに記載の電気手術器具。
- 前記中空の内導体が、前記伝導シェルを形成するよう前記同軸伝送線の前記遠位端を越えて前記プローブチップへと延びる、請求項4に記載の電気手術器具。
- 前記プローブチップが、そこを通じて走る前記プローブチップチャネルを有するチップ本体を備え、前記チップ本体が第3誘電材料から形成され、かつ前記同軸伝送線の前記遠位端に連結される、請求項4または5に記載の電気手術器具。
- 伝導コーティングが前記プローブチップの外面に形成され、伝導シェルが前記開口部を通じて前記伝導コーティングへと電気接続される、請求項6に記載の電気手術器具。
- 前記伝導コーティングが、前記同軸伝送線の前記外導体から電気的に隔離される、請求項7に記載の電気手術器具。
- 前記プローブチップが、前記同軸伝送線の縦軸と並ぶ対称軸の周りで円筒状に対称である、先行請求項のいずれかに記載の電気手術器具。
- 前記針が、前記針の前記第2端が前記プローブチップチャネルまたは液体チャネルの内部に置かれる引込位置と、前記針の前記第2端がその遠位端にある開口部を越えて前記プローブチップチャネルの外部に置かれる露出位置との間で調節可能である、先行請求項のいずれかに記載の電気手術器具。
- 前記液体チャネル内に取り付けられ、前記針に連結されたガイドワイヤを含み、前記ガイドワイヤが前記液体チャネルの近位端にあるアクチュエータに取り付けられ、前記アクチュエータが前記針を前記引込位置と前記露出位置との間で切り替えるよう前記ガイドワイヤを前記液体チャネル内で軸方向に移動させるよう動作可能である、請求項10に記載の電気手術器具。
- 前記内導体がその中に軸方向隙間を有し、前記ガイドワイヤまたは前記針がそこに取り付けられた伝導リングを有し、前記針が前記引込位置にある時に前記軸方向隙間を埋めるように、かつ前記針が前記露出位置にある時に前記隙間を埋めないように前記伝導リングが配置される、請求項10または11に記載の電気手術器具。
- 前記針の最大直径が前記プローブチップチャネルの最小直径よりも小さく、さらに前記針が通ることができる前記プローブチップチャネル内のプラグを含み、前記プラグが前記プローブチップチャネルの前記内面に流体密封シールを形成する、先行請求項のいずれかに記載の電気手術器具。
- 前記プラグが、弾性的に変形可能な材料から作られる、請求項13に記載の電気手術器具。
- 多重内腔構造が前記中空の第2誘電材料内に供給される、先行請求項のいずれかに記載の電気手術器具。
- 前記多重内腔構造が、仕切壁によって互いから分離された前記液体チャネルと第2チャネルを含む、請求項15に記載の電気手術器具。
- 前記プローブチップがそこを通じて走る第2プローブチップチャネルを有し、前記第2プローブチップチャネルが前記第2チャネルと流体連通する、請求項16に記載の電気手術器具。
- 前記同軸伝送線の前記外径が、5mmと等しいかまたはそれ以下である、先行請求項のいずれかに記載の電気手術器具。
- 前記第1誘電材料が、1mmと等しいかまたはそれ以下の厚さを有する、先行請求項のいずれかに記載の電気手術器具。
- 電気手術装置であって、先行請求項のいずれかに記載の電気手術器具と、マイクロ波信号生成器からマイクロ波EMエネルギーを受け、かつ前記マイクロ波EMエネルギーを前記電気手術器具に運ぶよう構成されたマイクロ波供給構造と、液体源から液体を受け、かつ前記液体を前記電気手術器具に運ぶよう構成された液体供給構造とを有する、前記電気手術装置。
- 前記液体源がアドレナリン源である、請求項20に記載の電気手術装置。
- 第1端で前記マイクロ波供給構造に、かつ第2端で前記電気手術器具の前記同軸伝送線に連結された中間同軸伝送線をさらに備える、請求項20または21に記載の電気手術装置。
- 1/4波変圧器が、前記マイクロ波供給構造と前記中間同軸伝送線の間におけるインターフェース及び/または前記中間同軸伝送線と前記電気手術器具の前記同軸伝送線の間におけるインターフェースで連結される、請求項22に記載の電気手術装置。
- 前記中間同軸伝送線の前記直径が、前記マイクロ波供給構造と前記電気手術器具の前記同軸伝送線の間におけるインピーダンスを整合させること、または前記マイクロ波供給構造によって送信されるマイクロ波信号の半波長の整数倍であること、のいずれかのために選択される、請求項22または23に記載の電気手術装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1521522.1A GB2545179B (en) | 2015-12-07 | 2015-12-07 | Electrosurgical instrument |
GB1521522.1 | 2015-12-07 | ||
PCT/EP2016/080138 WO2017097856A1 (en) | 2015-12-07 | 2016-12-07 | Electrosurgical instrument for radiating microwave energy and dispensing liquid at a treatment site |
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US (1) | US11241283B2 (ja) |
EP (1) | EP3386411B1 (ja) |
JP (1) | JP6890341B2 (ja) |
KR (1) | KR20180090822A (ja) |
CN (1) | CN108430369B (ja) |
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BR (1) | BR112018011408A2 (ja) |
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DK (1) | DK3386411T3 (ja) |
ES (1) | ES2770324T3 (ja) |
GB (1) | GB2545179B (ja) |
HK (1) | HK1259625A1 (ja) |
PT (1) | PT3386411T (ja) |
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ITUA20161370A1 (it) * | 2016-03-04 | 2017-09-04 | El En Spa | Dispositivo applicatore a cavo coassiale, apparecchio comprendente il dispositivo e metodo |
GB2559595B (en) * | 2017-02-10 | 2021-09-01 | Creo Medical Ltd | Electrosurgical apparatus and electrosurgical instrument |
GB2559604A (en) * | 2017-02-13 | 2018-08-15 | Creo Medical Ltd | Microwave energy transfer component for electrosurgical apparatus |
US20180360538A1 (en) * | 2017-06-20 | 2018-12-20 | Covidien Lp | Tapered tubular members for laparoscopic microwave ablation instruments |
GB2577706A (en) * | 2018-10-03 | 2020-04-08 | Creo Medical Ltd | Electrosurgical instrument |
CN109330681B (zh) * | 2018-12-06 | 2024-08-16 | 安徽硕金医疗设备有限公司 | 一种磁兼容的水冷微波消融针及其制造方法 |
JP7327500B2 (ja) * | 2019-10-29 | 2023-08-16 | 日本電信電話株式会社 | 高周波ノイズ検出アンテナ |
GB2601789A (en) * | 2020-12-10 | 2022-06-15 | Creo Medical Ltd | Raman spectroscopy probe, Raman spectroscopy apparatus including the Raman spectroscopy probe and elongate assembly |
WO2024092582A1 (zh) * | 2022-11-02 | 2024-05-10 | 思摩尔国际控股有限公司 | 气溶胶生成装置及其微波加热组件 |
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PT3386411T (pt) | 2020-02-06 |
US11241283B2 (en) | 2022-02-08 |
ES2770324T3 (es) | 2020-07-01 |
EP3386411A1 (en) | 2018-10-17 |
AU2016368632A1 (en) | 2018-06-28 |
WO2017097856A1 (en) | 2017-06-15 |
CA3007038A1 (en) | 2017-06-15 |
CN108430369A (zh) | 2018-08-21 |
AU2016368632B2 (en) | 2021-03-11 |
SG11201804604VA (en) | 2018-06-28 |
BR112018011408A2 (pt) | 2018-12-04 |
GB2545179B (en) | 2020-09-09 |
HK1259625A1 (zh) | 2019-12-06 |
US20180296267A1 (en) | 2018-10-18 |
CN108430369B (zh) | 2021-01-05 |
JP6890341B2 (ja) | 2021-06-18 |
GB201521522D0 (en) | 2016-01-20 |
GB2545179A (en) | 2017-06-14 |
KR20180090822A (ko) | 2018-08-13 |
DK3386411T3 (da) | 2020-02-24 |
EP3386411B1 (en) | 2019-11-27 |
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