JP2000507844A - 多重アンテナ除去装置並びに方法 - Google Patents
多重アンテナ除去装置並びに方法Info
- Publication number
- JP2000507844A JP2000507844A JP9529371A JP52937197A JP2000507844A JP 2000507844 A JP2000507844 A JP 2000507844A JP 9529371 A JP9529371 A JP 9529371A JP 52937197 A JP52937197 A JP 52937197A JP 2000507844 A JP2000507844 A JP 2000507844A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- trocar
- antennas
- electromagnetic energy
- deployed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- A61N5/02—Radiation therapy using microwaves
- A61N5/04—Radiators for near-field treatment
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.組織に突き刺すに十分鋭い遠位端とトロカールの長手軸に沿って伸びる中空 のルーメンとを含むトロカールと、3本又はそれ以上のアンテナを含む多重ア ンテナ除去装置であって、各アンテナは遠位部を有しており、各アンテナはト ロカールが組織を貫いて挿入される際には少なくとも部分的にはトロカール中 に収められており、展開されたアンテナの各遠位部の少なくとも一部は、選定 された組織位置で少なくとも一つの曲率半径でトロカールルーメンから展開で きるように形作られており、且つ展開されたアンテナの電磁エネルギー放出面 を有しており、そこでは、展開されたアンテナの電磁エネルギー放出面を総合 したサイズが、10ないし50ワットの電磁エネルギーが電磁エネルギー源か ら多重アンテナ除去装置に送り込まれる際には、展開されたアンテナを妨げる こと無しに、展開されたアンテナ間の体積除去を行うに十分なサイズである、 そのような多重アンテナと、多重アンテナ除去装置を電磁エネルギー源に接続 する少なくとも1本のケーブルとから成ることを特徴とする除去治療装置。 2.展開されたアンテナの電磁エネルギー放出面を総合したサイズが、10ない し30ワットの電磁エネルギーが電磁エネルギー源から多重アンテナ除去装置 に送り込まれる際には、展開されたアンテナを妨げること無しに、展開された アンテナ間の体積除去を行うに十分なサイズであることを特徴とする、上記請 求項1に記載の装置。 3.展開されたアンテナの電磁エネルギー放出面を総合したサイズが、15ない し20ワットの電磁エネルギーが電磁エネルギー源から多重アンテナ除去装置 に送り込まれる際には、展開されたアンテナを妨げること無しに、展開された アンテナ間の体積除去を行うに十分なサイズであることを特徴とする上記請求 項1に記載の装置。 4.各々のアンテナが電磁エネルギー源に接続されていることを特徴とする上記 請求項1に記載の装置。 5.トロカールが13ゲージよりも大きくない外径を有していることを特徴とす る上記請求項1に記載の装置。 6.トロカールが14ゲージよりも大きくない外径を有していることを特徴とす る上記請求項1に記載の装置。 7.トロカールが15ゲージよりも大きくない外径を有していることを特徴とす る上記請求項1に記載の装置。 8.4本の展開されたアンテナが選定された組織塊においてトロカールから展開 されていることを特徴とする上記請求項1に記載の装置。 9.5本の展開されたアンテナが選定された組織塊においてトロカールから展開 されていることを特徴とする上記請求項1に記載の装置。 10.6本の展開されたアンテナが選定された組織塊においてトロカールから展開 されていることを特徴とする上記請求項1に記載の装置。 11.展開されたアンテナの内少なくとも2本がトロカールの遠位端から外に展開 されていることを特徴とする上記請求項1に記載の装置。 12.トロカールが、トロカール本体に形成された1つ又はそれ以上の側面開口を 有していることを特徴とする上記請求項1に記載の装置。 13.少なくとも1本の展開されたアンテナがトロカール遠位端から選定された組 織塊の中へ展開され、少なくとも1本の展開されたアンテナが側面開口から選 定された組織塊の中へ展開されていることを特徴とする上記請求項8に記載の 装置。 14.アンテナがRF電極であり、電磁エネルギー源がRFエネルギー源であるこ とを特徴とする上記請求項1に記載の装置。 15.多重アンテナ除去装置が単極モードで作動することを特徴とする上記請求項 1に記載の装置。 16.多重アンテナ除去装置が双極モードで作動することを特徴とする上記請求項 1に記載の装置。 17.装置が双極作動と単極作動との間で切り替え可能であることを特徴とする上 記請求項1に記載の装置。 18.展開された各アンテナの遠位端の少なくとも一部がトロカールよりも構造的 に低い剛性となるように作られていることを特徴とする上記請求項1に記載の 装置。 19.少なくとも部分的には、展開されたアンテナの外表面上に配置されたセンサ ーを更に含むことを特徴とする上記請求項1に記載の装置。 20.トロカールの外側の少なくとも一部の周りを取り巻くように配置された絶縁 層を更に含むことを特徴とする上記請求項1に記載の装置。 21.絶縁層の遠位端がトロカールの遠位端から取り除かれ、トロカールの遠位端 に電磁エネルギー放出面を作っていることを特徴とする上記請求項20に記載 の装置。 22.トロカールルーメンが輸液媒体を受け入れるために輸液媒体源と接続されて いることを特徴とする上記請求項1に記載の装置。 23.トロカールの少なくとも一部と接続された冷却エレメントを更に含むことを 特徴とする上記請求項1に記載の装置。 24.冷却エレメントが、冷却媒体を受け入れるように形成された少なくとも1つ のチャネルを含むトロカール内に少なくとも部分的に配置された構造から成る ことを特徴とする上記請求項23に記載の装置。 25.冷却媒体がチャネルを通って循環することを特徴とする上記請求項24に記 載の装置。 26.組織に突き刺すに十分鋭い遠位端とトロカールの長手軸に沿って伸びる中空 のルーメンとを含むトロカールと、複数のアンテナを含む多重アンテナ除去装 置であって、各アンテナは遠位部を有しており、各アンテナはトロカールが組 織を貫いて挿入される際には少なくとも部分的にはトロカール中に収められて おり、展開されたアンテナの各遠位部の少なくとも一部は、選定された組織位 置で少なくとも一つの曲率半径でトロカールルーメンから展開できるように形 作られており、且つ展開されたアンテナを有しており、そこでは、複数のアン テナが、10ないし50ワットの電磁エネルギーが電磁エネルギー源から複数 のアンテナに引き渡される際には、複数のアンテナを妨げること無しに、選定 された組織位置にあるアンテナ間に除去体積を作り出すのに十分な数のアンテ ナを含んでいる、そのような多重アンテナ除去装置と、多重アンテナ除去装置 を電磁エネルギー源に接続する少なくとも1本のケーブルとから成ることを特 徴とする除去治療装置。 27.トロカールが15ゲージよりも大きくない外径を有していることを特徴とす る上記請求項26に記載の装置。 28.多重アンテナ除去装置がRF装置であることを特徴とする上記請求項26に 記載の装置。 29.多重アンテナ除去装置が単極モードで作動することを特徴とする上記請求項 28に記載の装置。 30.多重アンテナ除去装置が双極モードで作動することを特徴とする上記請求項 28に記載の装置。 31.多重アンテナ除去装置が単極作動及び双極作動の間で切り替え可能であるこ とを特徴とする上記請求項28に記載の装置。 32.トロカールルーメンを備えたトロカールと、ルーメンから展開可能な複数の アンテナと、複数のアンテナに接続された電磁エネルギー源とを含む多重アン テナ除去装置を準備する段階と、トロカールルーメン中に複数のアンテナを収 めてトロカールを選定された組織塊の中へ挿入する段階と、複数のアンテナを トロカールの長手軸に対して横方向に、トロカールルーメンから選定された組 織塊の中へ進める段階と、10ないし50ワットの電磁エネルギーを、複数の アンテナ中の1本のアンテナも妨げることなく、電磁エネルギー源から複数の アンテナへと送り込む段階と、選定された組織塊内で体積除去を行う段階とか ら成ることを特徴とする選定された組織塊内で体積除去を行う方法。 33.除去体積が回転楕円形であることを特徴とする上記請求項32に記載の方法 。 34.除去体積が球形であることを特徴とする上記請求項32に記載の方法。 35.除去体積が球形の一部であることを特徴とする上記請求項32に記載の方法 。 36.除去体積が隣接して展開された複数のアンテナの間で連続的に形成されるこ とを特徴とする上記請求項32に記載の方法。 37.トロカールが15ゲージより大きくない外径を有することを特徴とする上記 請求項32に記載の方法。 38.複数のアンテナの各々が、電磁エネルギー源からの10ないし50ワットの 電磁エネルギーを受け取るに十分な電磁エネルギー放出面を有していることを 特徴とする上記請求項32に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/605,323 | 1996-02-14 | ||
US08/605,323 US5728143A (en) | 1995-08-15 | 1996-02-14 | Multiple antenna ablation apparatus and method |
PCT/US1997/001633 WO1997029702A1 (en) | 1996-02-14 | 1997-02-05 | Multiple antenna ablation apparatus and method |
Publications (2)
Publication Number | Publication Date |
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JP2000507844A true JP2000507844A (ja) | 2000-06-27 |
JP2000507844A5 JP2000507844A5 (ja) | 2004-11-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP9529371A Ceased JP2000507844A (ja) | 1996-02-14 | 1997-02-05 | 多重アンテナ除去装置並びに方法 |
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US (1) | US5728143A (ja) |
EP (1) | EP0883379A1 (ja) |
JP (1) | JP2000507844A (ja) |
KR (1) | KR19990082587A (ja) |
CN (1) | CN1211171A (ja) |
AU (1) | AU2254397A (ja) |
WO (1) | WO1997029702A1 (ja) |
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US10966782B2 (en) | 2010-05-21 | 2021-04-06 | Stratus Medical, LLC | Needles and systems for radiofrequency neurotomy |
US10716618B2 (en) | 2010-05-21 | 2020-07-21 | Stratus Medical, LLC | Systems and methods for tissue ablation |
WO2012074296A2 (ko) * | 2010-12-03 | 2012-06-07 | 주식회사 태웅메디칼 | 고주파 열치료용 전극장치 |
WO2012074296A3 (ko) * | 2010-12-03 | 2012-10-04 | 주식회사 태웅메디칼 | 고주파 열치료용 전극장치 |
US10537286B2 (en) | 2013-01-08 | 2020-01-21 | Biosense Webster (Israel) Ltd. | Catheter with multiple spines of different lengths arranged in one or more distal assemblies |
JP2014133132A (ja) * | 2013-01-08 | 2014-07-24 | Biosense Webster (Israel) Ltd | 1つ以上の遠位アセンブリ内に配設された異なる長さの多重スパインを備えたカテーテル |
US11998357B2 (en) | 2020-01-21 | 2024-06-04 | Biosense Webster (Israel) Ltd. | Catheter with multiple spines of different lengths arranged in one or more distal assemblies |
Also Published As
Publication number | Publication date |
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US5728143A (en) | 1998-03-17 |
KR19990082587A (ko) | 1999-11-25 |
WO1997029702A1 (en) | 1997-08-21 |
EP0883379A1 (en) | 1998-12-16 |
AU2254397A (en) | 1997-09-02 |
CN1211171A (zh) | 1999-03-17 |
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