JPH10503959A - 多電極アブレーション装置 - Google Patents
多電極アブレーション装置Info
- Publication number
- JPH10503959A JPH10503959A JP8507529A JP50752996A JPH10503959A JP H10503959 A JPH10503959 A JP H10503959A JP 8507529 A JP8507529 A JP 8507529A JP 50752996 A JP50752996 A JP 50752996A JP H10503959 A JPH10503959 A JP H10503959A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- deployment
- delivery catheter
- tissue ablation
- ablation device
- 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.)
- Granted
Links
Classifications
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- A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
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- C—CHEMISTRY; METALLURGY
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- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
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- 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
- A61B2018/1861—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 with an instrument inserted into a body lumen or cavity, e.g. a catheter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
- A61B2218/002—Irrigation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
Description
Claims (1)
- 【特許請求の範囲】 (1) 先端部と基端部とを有する供給カテーテルと、 該供給カテーテルの基端部に取り付けられるハンドルと、 少なくとも部分的に前記供給カテーテル内に位置し、複数の後退可能な電極 を有する電極展開装置とを備え、 それぞれの電極が、前記供給カテーテル内に位置しているとき非展開状態を とり、前記供給カテーテルの先端部から前進させられたとき膨張、拡大あるいは 拡張された展開状態をとり、展開電極の間にアブレーション容積を画定し、それ ぞれの展開電極が前記供給カテーテルを介して前進させられて所望の組織部位に 位置決めされたとき少なくとも2つの曲率半径を有することを特徴とする組織ア ブレーション装置。 (2) 請求項(1)において、それぞれの電極が展開状態で、1つの平面において少 なくとも2つの曲率半径を有することを特徴とする組織アブレーション装置。 (3) 請求項(1)において、それぞれの電極が展開状態で、2つ以上の平面におい て少なくとも2つの曲率半径を有することを特徴とする組織アブレーション装置 。 (4) 請求項(1)において、少なくとも1つの電極が、膨張、拡大あるいは拡張さ れた展開状態において、一つの平面において少なくとも2つの曲率半径を有し少 なくとも1つの電極が前記展開状態において2つ以上の平面において少なくとも 2つの曲率半径を有することを特徴とする組織アブレーション装置。 (5) 請求項(1)において、さらに、組織の中の選択された塊の外延を包摂する関 係で電極の展開を案内する、供給カテーテルの先端部に配置された電極テンプレ ートを備えていることを特徴とする組織アブレーション装置。 (6) 請求項(1)において、電極が中空で、液体分配ポートを備えていることを特 徴とする組織アブレーション装置。 (7) 請求項(1)において、さらに、それぞれの電極に隣接し、これを包摂する関 係で配置された調整可能電極絶縁体を備えており、それぞれの調整可能電極絶縁 体が電極導電性表面を画定するにように電極に沿って前進及び後退できるように なっていることを特徴とする組織アブレーション装置。 (8) 請求項(1)において、さらに、供給カテーテルの先端部から電極を出没させ るための、前記電極展開装置と協働する電極前進及び後退部材を備えていること を特徴とする組織アブレーション装置。 (9) 請求項(1)において、さらに、供給カテーテルに配置される1つ以上のガイ ドチューブを備えていることを特徴とする組織アブレーション装置。 (10)請求項(6)において、さらに、それぞれの電極に接続された注入媒体源を備 えていることを特徴とする組織アブレーション装置。 (11)請求項(6)において、さらに、それぞれの電極に接続された化学治療剤源を 備えたことを特徴とする組織アブレーション装置。 (12)請求項(1)において、それぞれの電極が鋭利な先端部を備えていることを特 徴とする組織アブレーション装置。 (13)請求項(1)において、前記電極展開装置が供給カテーテルから取り外し可能 であることを特徴とする組織アブレーション装置。 (14)請求項(13)において、さらに、供給カテーテル内に配置された着脱自在のオ ブチュレータを備えていることを特徴とする組織アブレーション装置。 (15)請求項(14)において、該オブチュレータが鋭利な先端部を備えていることを 特徴とする組織アブレーション装置。 (16)請求項(13)において、供給カテーテルがハンドルから取り外し可能であるこ とを特徴とする組織アブレーション装置。 (17)請求項(14)において、オブチュレータは供給カテーテル内に配置されており 該供給カテーテルを体内の部位に導入することを特徴とする組織アブレーション 装置。 (18)請求項(14)において、前記オブチュレータは供給カテーテルが体内の部位に 位置決めされた後、供給カテーテルから除去され、電極展開装置がつぎに供給カ テーテル内に配置されることを特徴とする組織アブレーション装置。 (19)先端部と基端部とを有する供給カテーテルと、 該供給カテーテルの基端部に取り付けられるハンドルと、 少なくとも部分的に前記供給カテーテル内に位置し、複数の後退可能な電極 を有する電極展開装置とを備え、 それぞれの電極が、前記供給カテーテル内に位置しているとき非展開状態を とり、前記供給カテーテルの先端部から前進させられたとき膨張、拡大あるいは 拡張された展開状態をとり、展開電極の間にアブレーション容積を画定し、それ ぞれの展開電極が前記供給カテーテルを介して前進させられて所望の組織部位に 位置決めされたとき2つ以上の平面において少なくとも1つの曲率半径を有する ことを特徴とする組織アブレーション装置。 (20)請求項(19)において、さらに、組織の中の選択された塊の外延を包摂する関 係で電極の展開を案内する、供給カテーテルの先端部に配置された電極テンプレ ートを備えていることを特徴とする組織アブレーション装置。 (21)請求項(19)において、さらに、それぞれの電極に隣接し、これを包摂する関 係で配置された調整可能電極絶縁体を備えており、それぞれの調整可能電極絶縁 体が電極導電性表面を画定するにように電極に沿って前進及び後退できるように なっていることを特徴とする組織アブレーション装置。 (22)請求項(19)において、さらに、供給カテーテルの先端部から電極を出没させ るための、前記電極展開装置と協働する電極前進及び後退部材を備えていること を特徴とする組織アブレーション装置。 (23)請求項(19)において、さらに、供給カテーテルに配置される1つ以上のガイ ドチューブを備えていることを特徴とする組織アブレーション装置。 (24)先端部と基端部とを有する供給カテーテルと、 該供給カテーテルの基端部に取り付けられるハンドルと、 少なくとも部分的に前記供給カテーテル内に位置し、複数の後退可能な電極 を有する電極展開装置とを備え、 それぞれの電極が、前記供給カテーテル内に位置しているとき非展開状態を とり、前記供給カテーテルの先端部から前進させられたとき膨張、拡大あるいは 拡張された展開状態をとり、展開電極の間にアブレーション容積を画定し、少な くとも1つの展開電極が少なくとも2つの曲率半径を有し、少なくとも1つの展 開電極が2つ以上の平面において少なくとも1つの曲率半径を有することを特徴 とする組織アブレーション装置。 (25)請求項(24)において、さらに、組織の中の選択された塊の外延を包摂する関 係で電極の展開を案内する、供給カテーテルの先端部に配置された電極テンプレ ートを備えていることを特徴とする組織アブレーション装置。 (26)請求項(24)において、さらに、それぞれの電極に隣接し、これを包摂する関 係で配置された調整可能電極絶縁体を備えており、それぞれの調整可能電極絶縁 体が電極導電性表面を画定するにように電極に沿って前進及び後退できるように なっていることを特徴とする組織アブレーション装置。 (27)請求項(24)において、さらに、供給カテーテルの先端部から電極を出没させ るための、前記電極展開装置と協働する電極前進及び後退部材を備えていること を特徴とする組織アブレーション装置。 (28)請求項(24)において、さらに、供給カテーテルに配置される1つ以上のガイ ドチューブを備えていることを特徴とする組織アブレーション装置。 (29)先端部と基端部とを有する供給カテーテルと、 該供給カテーテルの基端部に取り付けられるハンドルと、 少なくとも部分的に前記供給カテーテル内に位置し、複数の後退可能な電極 を有する電極展開装置とを備え、 それぞれの電極が、前記供給カテーテル内に位置しているとき非展開状態を とり、前記供給カテーテルの先端部から前進させられたとき膨張、拡大あるいは 拡張された展開状態をとり、展開電極の間にアブレーション容積を画定し、少な くとも1つの展開電極が供給カテーテルの先端部近傍に位置する少なくとも1つ の湾曲セクションと、該展開電極の湾曲セクションを超えて延びる非湾曲セクシ ョンとを有し、少なくとも1つの展開電極が少なくとも2つの曲率半径を有する ことを特徴とする組織アブレーション装置。 (30)請求項(29)において、さらに、組織の中の選択された塊の外延を包摂する関 係で電極の展開を案内する、供給カテーテルの先端部に配置された電極テンプレ ートを備えていることを特徴とする組織アブレーション装置。 (31)請求項(29)において、さらに、それぞれの電極に隣接し、これを包摂する関 係で配置された調整可能電極絶縁体を備えており、それぞれの調整可能電極絶縁 体が電極導電性表面を画定するにように電極に沿って前進及び後退できるように なっていることを特徴とする組織アブレーション装置。 (32)請求項(29)において、さらに、供給カテーテルの先端部から電極を出没させ るための、前記電極展開装置と協働する電極前進及び後退部材を備えていること を特徴とする組織アブレーション装置。 (33)請求項(29)において、さらに、供給カテーテルに配置される1つ以上のガイ ドチューブを備えていることを特徴とする組織アブレーション装置。 (34)先端部と基端部とを有する供給カテーテルと、 該供給カテーテルの基端部に取り付けられるハンドルと、 少なくとも部分的に前記供給カテーテル内に位置し、複数の後退可能な電極 を有する電極展開装置とを備え、 それぞれの電極が、前記供給カテーテル内に位置しているとき非展開状態を とり、前記供給カテーテルの先端部から前進させられたとき膨張、拡大あるいは 拡張された展開状態をとり、展開電極の間にアブレーション容積を画定し、それ ぞれの展開電極が供給カテーテルの先端部近傍に位置し、第1の曲率半径を有す る第一セクションと、前記第一セクションを超えて延び、第二の曲率半径または 略直線状の幾何形状を有する第二セクションとを有していることを特徴とする組 織アブレーション装置。 (35)請求項(34)において、それぞれの電極は、前記第二セクションを超えて延び る第三セクションを有しており、該第三セクションは、前記第二セクションに対 して側部位置にあり、湾曲した、またはほぼ直線状の幾何形状を有していること を特徴とする組織アブレーション装置。
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US08/290,031 | 1994-08-12 | ||
US08/290,031 US5536267A (en) | 1993-11-08 | 1994-08-12 | Multiple electrode ablation apparatus |
US290,031 | 1994-08-12 | ||
PCT/US1995/010242 WO1996004860A1 (en) | 1994-08-12 | 1995-08-11 | Multiple electrode ablation apparatus |
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EP (3) | EP0777445B2 (ja) |
JP (1) | JP3009735B2 (ja) |
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AT (3) | ATE253871T1 (ja) |
DE (3) | DE69510064T3 (ja) |
DK (1) | DK1366725T3 (ja) |
ES (2) | ES2279043T3 (ja) |
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- 1995-08-11 WO PCT/US1995/010242 patent/WO1996004860A1/en active IP Right Grant
- 1995-08-11 CN CN95194583A patent/CN1125620C/zh not_active Expired - Fee Related
- 1995-08-11 PT PT03020050T patent/PT1366725E/pt unknown
- 1995-08-11 EP EP95928379A patent/EP0777445B2/en not_active Expired - Lifetime
- 1995-08-11 EP EP03020050A patent/EP1366725B1/en not_active Expired - Lifetime
- 1995-08-11 JP JP8507529A patent/JP3009735B2/ja not_active Expired - Fee Related
- 1995-08-11 DK DK03020050T patent/DK1366725T3/da active
- 1995-08-11 AT AT03020050T patent/ATE352263T1/de active
- 1995-08-11 DE DE69510064T patent/DE69510064T3/de not_active Expired - Lifetime
- 1995-08-11 AT AT95928379T patent/ATE180649T1/de not_active IP Right Cessation
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- 1995-08-11 DE DE69532140T patent/DE69532140T2/de not_active Expired - Lifetime
- 1995-08-11 EP EP98204115A patent/EP0908156B1/en not_active Expired - Lifetime
- 1995-08-11 ES ES95928379T patent/ES2132698T5/es not_active Expired - Lifetime
- 1995-08-11 DE DE69535379T patent/DE69535379T2/de not_active Expired - Lifetime
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1998
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1999
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2000
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JP2002522182A (ja) * | 1998-08-14 | 2002-07-23 | ケイ・ユー・リューヴェン・リサーチ・アンド・デヴェロップメント | 高周波エネルギー放出デバイス及びこのデバイスに使用される誘導案内用具、並びにこのデバイスの使用方法 |
JP2007508113A (ja) * | 2003-10-14 | 2007-04-05 | ボストン サイエンティフィック リミテッド | 高周波組織切除用液体注入装置 |
JP2008537896A (ja) * | 2005-02-04 | 2008-10-02 | ザ ノーフォーク アンド ノーウィッチ ユニバーシティ ホスピタル エヌ エイチ エス トラスト | 電気外科用針装置 |
JP2016073762A (ja) * | 2007-08-14 | 2016-05-12 | フレッド ハッチンソン キャンサー リサーチ センター | 腫瘍に1つまたは複数の薬剤をデリバリーする装置 |
JP2019205856A (ja) * | 2008-03-18 | 2019-12-05 | サーカ・サイエンティフィック,エルエルシー | 大表面積温度感知装置 |
JP2013517888A (ja) * | 2010-01-26 | 2013-05-20 | テウン メディカル カンパニー リミテッド | 電極針及びこれを備える止血装置 |
US10478157B2 (en) | 2011-10-28 | 2019-11-19 | Presage Biosciences, Inc. | Methods for drug delivery |
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JP2015196094A (ja) * | 2014-04-01 | 2015-11-09 | バイオセンス・ウエブスター・(イスラエル)・リミテッドBiosense Webster (Israel), Ltd. | 密閉式の双方向磁性マニホールド |
JP2021130030A (ja) * | 2016-05-03 | 2021-09-09 | エシコン エルエルシーEthicon LLC | 神経刺激のための両側ジョー構成を備えた医療装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1366725B1 (en) | 2007-01-24 |
ATE352263T1 (de) | 2007-02-15 |
DE69532140T2 (de) | 2004-08-26 |
CN1159154A (zh) | 1997-09-10 |
US5536267A (en) | 1996-07-16 |
DK1366725T3 (da) | 2007-05-29 |
DE69510064T2 (de) | 1999-12-23 |
PT1366725E (pt) | 2007-03-30 |
DE69535379T2 (de) | 2008-01-03 |
ATE180649T1 (de) | 1999-06-15 |
EP0908156A1 (en) | 1999-04-14 |
WO1996004860A1 (en) | 1996-02-22 |
DE69535379D1 (de) | 2007-03-15 |
ES2132698T5 (es) | 2004-07-01 |
EP0777445B1 (en) | 1999-06-02 |
DE69510064D1 (de) | 1999-07-08 |
US6471698B1 (en) | 2002-10-29 |
CN1125620C (zh) | 2003-10-29 |
EP0908156B1 (en) | 2003-11-12 |
ATE253871T1 (de) | 2003-11-15 |
EP0777445A1 (en) | 1997-06-11 |
ES2132698T3 (es) | 1999-08-16 |
EP1366725A1 (en) | 2003-12-03 |
JP3009735B2 (ja) | 2000-02-14 |
DE69532140D1 (de) | 2003-12-18 |
HK1002098A1 (en) | 1998-07-31 |
US6632222B1 (en) | 2003-10-14 |
ES2279043T3 (es) | 2007-08-16 |
EP0777445B2 (en) | 2004-01-02 |
DE69510064T3 (de) | 2005-04-07 |
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