JP2012510345A - レーザ誘起蒸気/プラズマ媒体の医療処置および装置 - Google Patents
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Abstract
【選択図】図1b
Description
本出願は、参照によって本明細書に組み込まれる、Wolfgang NeubergerおよびWalter Cecchettiによる「Diode Laser Induced Vapor/Plasma Mediated Medical Procedures and Device」という名称の2008年12月2日に出願された米国特許仮出願第61/119259号、ならびに同じくWolfgang NeubergerおよびWalter Cecchettiによる「Diode Laser Induced Vapor/Plasma Mediated Medical Procedures and Device」という名称の2009年12月2日に出願された米国特許出願第12/629313号の利益ならびに優先権を主張する。
本発明は、生物組織の治療のための低侵襲装置および方法に関する。より詳細には、本発明は、特異的効果を組織に達成させるために、ダイオードレーザ誘起蒸気/プラズマによって媒体される医療処置に関する。
レーザ技術が医療処置のために市場に導入されて以来、多くのレーザ装置が組織の除去に対して提案されてきた。レーザエネルギーを使用して、その様々な有利な特徴を生かすことができる。結果として、組織を、レーザ放射線を通してエネルギー、電力、波長、その他などの様々な治療パラメータの使用によって蒸発させる、液化させる、凝固させる、その他が可能である。
多波長レーザ細胞の切除および除去
マルチダイオードレーザ源は、1つまたは複数の同時波長、たとえば980nmと1470nmを一緒に、同一光ファイバで送達できる。1470nmでは水によく吸収され、したがって高エネルギーの泡をファイバの先端に形成する(空洞化効果および/または火花の少ないプラズマ効果)。この効果によって、軟組織の高速切除が可能になる。980nmでは水における吸収は低いが、血液によく吸収されるので、優れた止血効果が達成できる。BPH治療に使用されるマルチダイオードレーザを用いて、前立腺細胞の高速切除が優れた止血効果で実現できる。図2は、組織治療に対するこれら2つの波長を組み合わせた効果を示す。
Claims (14)
- 医療を高めるための医療レーザ装置であって、
少なくとも1つのレーザ光源と、
遠位端および近位端を有する送信媒体であって、前記近位端は前記少なくとも1つの光源と光学接触し、前記遠位端は治療部位付近にある、送信媒体と、を含み、
前記少なくとも1つのダイオードレーザ源は、前記治療部位で優れた吸収をする少なくとも1つの波長を放射し、
操作中、プラズマおよび/または高エネルギー蒸気泡領域は、組織治療部位に著しく近位の前記送信媒体の前記遠位端で形成される、医療レーザ装置。 - たとえば尿路を通して、患者の体に入る手段をさらに含む、請求項1に記載の医療レーザ装置。
- 前記送達媒体は、少なくとも1つの光ファイバである、請求項1に記載の医療レーザ装置。
- 前記レーザ光源は、パルスモードで、連続モードでまたはこれらのモードの組合せで動作可能な、請求項1に記載の医療レーザ装置。
- 前記レーザは、980±60nm、1470±60nm、または1940±60nmのいずれの周辺でも動作する、請求項1に記載の医療レーザ装置。
- 前記少なくとも1つの光ファイバは、二重コア構造を有し、1つのレーザ波長は、内核の中に移動し、第2の波長は、外核の中に送達される、請求項3に記載のレーザシステム。
- 少なくとも2つの好ましい前記波長は、980nmと1470nm;980nmと1940nmまたは1470nmと1940nmの組合せが利用される、請求項5に記載のレーザシステム。
- 1つのレーザは、ファイバレーザであり第2のレーザは前記ファイバレーザのための励起レーザであり、両方のレーザからのビームは、少なくとも1つの光ファイバによって送達される、請求項3に記載のレーザシステム。
- 前記少なくとも1つの光ファイバは、同心コア構造を有し、前記ファイバレーザ波長は、内核の中に移動し、励起レーザ波長は、外核の中に送達される、請求項8に記載のレーザシステム。
- 前記ファイバレーザは、約1550nmで放射し、前記励起レーザは、約915〜980nmまたは約1480nmで放射する、請求項8に記載のレーザシステム。
- 前記レーザ光源は、連続モードまたは半連続モードで動作するツリウムレーザである、請求項1に記載の医療レーザ装置。
- 前記少なくとも1つの光ファイバは、ねじれファイバである、請求項3に記載の医療レーザシステム。
- 強力なエネルギー源によって適切に発生したエネルギーを送達媒体を通してその遠位端に送達することによって、発生したプラズマおよび/または高エネルギー蒸気を利用する医療であって、治療される組織の近傍にあり、気化、凝固、切除、切断、または他の医療効果などの前記組織に所望の医療効果を達成する、医療。
- 前記エネルギー源は、パルスモードで、連続モードでまたはこれらのモードの組合せで動作される、請求項13に記載の医療。
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PCT/US2009/066421 WO2010065645A2 (en) | 2008-12-02 | 2009-12-02 | Laser induced vapor/plasma mediated medical procedures and device |
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JP2012510345A true JP2012510345A (ja) | 2012-05-10 |
JP2012510345A5 JP2012510345A5 (ja) | 2013-01-24 |
JP5913983B2 JP5913983B2 (ja) | 2016-05-11 |
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US (2) | US8888767B2 (ja) |
EP (1) | EP2373381B8 (ja) |
JP (1) | JP5913983B2 (ja) |
KR (1) | KR101529367B1 (ja) |
CN (1) | CN102264434B (ja) |
ES (1) | ES2561777T3 (ja) |
HU (1) | HUE026837T2 (ja) |
WO (1) | WO2010065645A2 (ja) |
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EP2373381B1 (en) | 2015-11-04 |
EP2373381A2 (en) | 2011-10-12 |
US8926601B2 (en) | 2015-01-06 |
EP2373381A4 (en) | 2012-06-20 |
HUE026837T2 (en) | 2016-07-28 |
EP2373381B8 (en) | 2015-12-16 |
US20130310819A1 (en) | 2013-11-21 |
CN102264434B (zh) | 2016-02-03 |
ES2561777T3 (es) | 2016-02-29 |
KR101529367B1 (ko) | 2015-06-16 |
JP5913983B2 (ja) | 2016-05-11 |
US20110224660A1 (en) | 2011-09-15 |
US8888767B2 (en) | 2014-11-18 |
KR20110106861A (ko) | 2011-09-29 |
WO2010065645A2 (en) | 2010-06-10 |
WO2010065645A3 (en) | 2010-09-16 |
CN102264434A (zh) | 2011-11-30 |
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