JP2004105735A - レーザによる肺静脈隔離 - Google Patents
レーザによる肺静脈隔離 Download PDFInfo
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- JP2004105735A JP2004105735A JP2003323394A JP2003323394A JP2004105735A JP 2004105735 A JP2004105735 A JP 2004105735A JP 2003323394 A JP2003323394 A JP 2003323394A JP 2003323394 A JP2003323394 A JP 2003323394A JP 2004105735 A JP2004105735 A JP 2004105735A
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- pulmonary vein
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B18/20—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 laser
- A61B18/22—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/24—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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
- A61B18/20—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 laser
- A61B18/22—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 laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B2018/2255—Optical elements at the distal end of probe tips
- A61B2018/2272—Optical elements at the distal end of probe tips with reflective or refractive surfaces for deflecting the beam
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- Laser Surgery Devices (AREA)
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- Radiation-Therapy Devices (AREA)
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Abstract
【解決手段】 カテーテル導入器械が、レーザ光エネルギを放出する光学組立体を備える。一用途では、カテーテル10及び光学組立体26を経皮的に導入し、経中隔的に肺静脈の口まで前進させる。繋留バルーン22を拡張させて鏡を肺静脈の口の近くに位置決めし、レーザ光源を付勢したとき、光エネルギが反射して肺静脈の口の周りに周方向に差し向けられるようにする。それにより、周方向焼灼病変部を作り、それにより肺静脈と左心房との間の電気伝搬を効果的に遮断する。
【選択図】 図1
Description
(1)前記経路に前記アンカが導入されることはないことを特徴とする請求項1記載の方法。
(2)前記レーザ光エネルギを伝える前記段階は、前記レーザ光エネルギを前記焼灼領域と交差する周方向線内へ差し向けることにより行われることを特徴とする請求項1記載の方法。
(3)前記アンカは、バルーンから成り、繋留は、前記バルーンを拡張させて前記肺静脈に係合させることにより行われることを特徴とする請求項1記載の方法。
(4)前記導入段階は、心臓の卵円窩を介して行われ、前記方法は、予備レーザ光エネルギを前記卵円窩に当ててその組織を焼灼し、それにより前記光学組立体がこれを通り易くする段階を更に有していることを特徴とする請求項1記載の方法。
(5)前記レーザ光エネルギを伝える前記段階は、厳密に1回の適用で行われることを特徴とする請求項1記載の方法。
(7)前記パルスの各々の持続時間は、100ミリ秒未満であることを特徴とする実施態様(6)記載の方法。
(8)前記導入段階は、前記光学組立体を血管内カテーテルに取り付け、前記血管内カテーテルの遠位部分を血管を通して心臓内へ至らせることにより行われることを特徴とする請求項1記載の方法。
(9)前記レーザ光エネルギを伝える前記段階は、前記レーザ光エネルギを反射させる段階を更に含むことを特徴とする請求項1記載の方法。
(10)前記レーザ光エネルギを反射させる段階は、鏡を前記アンカの外部であって前記レーザ光エネルギの経路内に配置する段階を含むことを特徴とする実施態様(9)記載の方法。
(12)前記レーザ光エネルギの波長は、約13ミクロンであることを特徴とする請求項1記載の方法。
(13)前記光学組立体は、実質的に前記アンカと非接触関係にあることを特徴とする請求項2記載の器械。
(14)前記経路に前記アンカが導入されることはないことを特徴とする請求項2記載の器械。
(15)前記光学組立体は、前記レーザ光エネルギを光源から伝える光ファイバと、前記光ファイバの出口側フェースのところに設けられたレンズと、前記アンカの外部で前記経路内に設けられていて、前記レーザ光エネルギを前記焼灼領域と交差する周方向線内へ差し向けるレフレクタとから成ることを特徴とする請求項2記載の器械。
(17)前記レフレクタは、放物面鏡であることを特徴とする実施態様(15)記載の器械。
(18)前記レフレクタは、前記アンカの光反射外面を構成していることを特徴とする実施態様(15)記載の器械。
(19)前記アンカは、膨らむと前記肺静脈に係合するようになったバルーンから成ることを特徴とする請求項2記載の器械。
(20)前記バルーンは、2裂片(bilobate)状であることを特徴とする実施態様(19)記載の器械。
(22)前記レーザ光エネルギは、厳密に1回の適用で前記焼灼領域に適用されることを特徴とする請求項2記載の器械。
(23)前記レーザ光エネルギは、一連のパルスの状態で前記焼灼領域に適用されることを特徴とする請求項2記載の器械。
12 近位端部
14 遠位端部
16,18 シール
20 ポート
22 バルーン
24 ルーメン
26 レーザ組立体
28 光ファイバ
30,44 レンズ
34 鏡
36 センサ
Claims (2)
- 心臓内チャンバを電気的に隔離する方法であって、光学組立体を肺静脈のところで前記肺静脈の口の近くに導入する段階と、アンカを用いて前記光学組立体を前記肺静脈のところに繋留する段階と、しかる後、レーザ光エネルギを前記光学組立体から前記肺静脈の周方向焼灼領域まで延びる経路で伝える段階とを有することを特徴とする方法。
- 心臓内チャンバを電気的に隔離する器械であって、肺静脈内へその口の近くで導入されるようになった血管内カテーテルと、前記カテーテルの遠位端部のところに設けられていて、前記肺静脈のところで前記カテーテルの遠位端部を固定するためのアンカと、レーザ光エネルギを前記肺静脈の周方向焼灼領域まで延びる経路で伝える光学組立体とを有することを特徴とする器械。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/245,613 US6997924B2 (en) | 2002-09-17 | 2002-09-17 | Laser pulmonary vein isolation |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004105735A true JP2004105735A (ja) | 2004-04-08 |
JP2004105735A5 JP2004105735A5 (ja) | 2006-11-02 |
JP4549646B2 JP4549646B2 (ja) | 2010-09-22 |
Family
ID=31946406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003323394A Expired - Fee Related JP4549646B2 (ja) | 2002-09-17 | 2003-09-16 | レーザによる肺静脈隔離 |
Country Status (14)
Country | Link |
---|---|
US (1) | US6997924B2 (ja) |
EP (1) | EP1400215B1 (ja) |
JP (1) | JP4549646B2 (ja) |
KR (1) | KR20040025612A (ja) |
AT (1) | ATE357189T1 (ja) |
AU (1) | AU2003246062B2 (ja) |
CA (1) | CA2440495C (ja) |
CY (1) | CY1106599T1 (ja) |
DE (1) | DE60312617T2 (ja) |
DK (1) | DK1400215T3 (ja) |
ES (1) | ES2283720T3 (ja) |
IL (1) | IL157714A (ja) |
PT (1) | PT1400215E (ja) |
SI (1) | SI1400215T1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017070711A (ja) * | 2015-08-25 | 2017-04-13 | 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. | 接触力に基づいてカテーテルの電力を制御するためのシステム及び方法 |
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DE60312617D1 (de) | 2007-05-03 |
ES2283720T3 (es) | 2007-11-01 |
PT1400215E (pt) | 2007-04-30 |
SI1400215T1 (sl) | 2007-08-31 |
JP4549646B2 (ja) | 2010-09-22 |
ATE357189T1 (de) | 2007-04-15 |
US6997924B2 (en) | 2006-02-14 |
US20040054360A1 (en) | 2004-03-18 |
CY1106599T1 (el) | 2012-01-25 |
DE60312617T2 (de) | 2007-12-06 |
CA2440495A1 (en) | 2004-03-17 |
DK1400215T3 (da) | 2007-07-23 |
AU2003246062B2 (en) | 2008-05-29 |
KR20040025612A (ko) | 2004-03-24 |
AU2003246062A1 (en) | 2004-04-01 |
IL157714A (en) | 2009-09-01 |
IL157714A0 (en) | 2004-03-28 |
CA2440495C (en) | 2012-03-20 |
EP1400215B1 (en) | 2007-03-21 |
EP1400215A1 (en) | 2004-03-24 |
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