CN101132880B - 利用红外波长范围中的脉冲热沉积进行激光选择性切割用于直接驱动烧蚀 - Google Patents
利用红外波长范围中的脉冲热沉积进行激光选择性切割用于直接驱动烧蚀 Download PDFInfo
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- CN101132880B CN101132880B CN2005800488461A CN200580048846A CN101132880B CN 101132880 B CN101132880 B CN 101132880B CN 2005800488461 A CN2005800488461 A CN 2005800488461A CN 200580048846 A CN200580048846 A CN 200580048846A CN 101132880 B CN101132880 B CN 101132880B
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- China
- Prior art keywords
- pulse
- laser
- laser pulse
- energy
- tissue
- 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.)
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
- B23K26/0624—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses using ultrashort pulses, i.e. pulses of 1ns or less
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0046—Dental lasers
Abstract
Description
组织 | 声速(m/s) |
空气 | 330 |
脂肪 | 1450 |
人体组织(平均) | 1540 |
大脑 | 1541 |
血液 | 1570 |
颅骨 | 4080 |
水 | 1480 |
Claims (39)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64009204P | 2004-12-30 | 2004-12-30 | |
US60/640,092 | 2004-12-30 | ||
PCT/CA2005/001983 WO2006069448A2 (en) | 2004-12-30 | 2005-12-30 | Laser selective cutting by impulsive heat deposition in the ir wavelength range for direct-drive ablation |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101132880A CN101132880A (zh) | 2008-02-27 |
CN101132880B true CN101132880B (zh) | 2011-02-16 |
Family
ID=36615276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800488461A Active CN101132880B (zh) | 2004-12-30 | 2005-12-30 | 利用红外波长范围中的脉冲热沉积进行激光选择性切割用于直接驱动烧蚀 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8029501B2 (zh) |
EP (2) | EP2772333B1 (zh) |
JP (2) | JP5432452B2 (zh) |
CN (1) | CN101132880B (zh) |
CA (1) | CA2594357C (zh) |
WO (1) | WO2006069448A2 (zh) |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2772333B1 (en) * | 2004-12-30 | 2016-05-18 | Light Matter Interaction Inc. | Apparatus for laser processing a biological material |
WO2007041304A1 (en) * | 2005-09-29 | 2007-04-12 | Alcon, Inc. | Variable continuous wave laser |
CA2560238A1 (en) * | 2006-09-20 | 2008-03-20 | Institut National D'optique | Laser-based ablation method and optical system |
DE102006046925A1 (de) * | 2006-09-28 | 2008-04-03 | Jenlab Gmbh | Verfahren und Anordnung zur Laser-Endoskopie für die Mikrobearbeitung |
WO2008089292A1 (en) * | 2007-01-16 | 2008-07-24 | Rejuvedent Llc | Method and apparatus for diagnostic and treatment using hard tissue or material microperforation |
US8202268B1 (en) | 2007-03-18 | 2012-06-19 | Lockheed Martin Corporation | Method and multiple-mode device for high-power short-pulse laser ablation and CW cauterization of bodily tissues |
EP2207595A4 (en) * | 2007-10-19 | 2012-10-24 | Lockheed Corp | SYSTEM AND METHOD FOR THE TREATMENT OF ANIMAL TISSUE USING LASER LIGHT |
DE102008011811B3 (de) * | 2008-02-29 | 2009-10-15 | Anton Dr. Kasenbacher | Dentales Laserbearbeitungsgerät zur Bearbeitung von Zahnmaterial |
DE102008047640B4 (de) * | 2008-09-17 | 2012-10-25 | Anton Kasenbacher | Verwendung eines Laserbearbeitungsgeräts zur Ablation von Zahnmaterial |
US8379296B2 (en) * | 2008-10-23 | 2013-02-19 | Bae Systems Information And Electronic Systems Integration Inc. | Nonlinear optical CdSiP2 crystal and producing method and devices therefrom |
TWI365735B (en) * | 2008-12-01 | 2012-06-11 | Ind Tech Res Inst | Laser surgical device |
WO2010085897A1 (en) | 2009-02-02 | 2010-08-05 | Miller R J Dwayne | Soft ablative desorption method and system |
CA2769448C (en) * | 2009-07-30 | 2017-10-24 | Nathan Paul Monty | Dental laser system using midrange gas pressure |
DE102009042199B4 (de) * | 2009-09-18 | 2014-01-02 | Anton Kasenbacher | Laserstrahl-Ausrichteinheit und Laserbearbeitungsgerät zur Bearbeitung eines Materials |
CN103002826B (zh) | 2010-04-22 | 2016-11-09 | 精密光手术公司 | 闪蒸手术系统 |
US8679394B2 (en) | 2010-06-10 | 2014-03-25 | Abbott Cardiovascular Systems Inc. | Laser system and processing conditions for manufacturing bioabsorbable stents |
BR112013019805A2 (pt) * | 2011-02-02 | 2017-03-21 | Convergent Dental | sistema laser-dental e método de tratamento |
JP5849307B2 (ja) * | 2011-06-01 | 2016-01-27 | 国立大学法人大阪大学 | 歯科用治療装置 |
DE102011050894A1 (de) | 2011-06-07 | 2012-12-13 | Freie Universität Berlin | Verfahren zur Polymerisierung von Monomer- und/oder Oligomereinheiten durch Infrarotlichtimpulse |
EP2750619B1 (en) | 2011-09-02 | 2019-11-06 | Convergent Dental, Inc. | Laser based computer controlled dental preparation system |
WO2013047261A1 (ja) * | 2011-09-27 | 2013-04-04 | テルモ株式会社 | アブレーションデバイス |
US9849034B2 (en) | 2011-11-07 | 2017-12-26 | Alcon Research, Ltd. | Retinal laser surgery |
US10045833B2 (en) | 2012-05-14 | 2018-08-14 | Convergent Dental, Inc. | Apparatus and method for controlled fluid cooling during laser based dental treatments |
CN102715956B (zh) * | 2012-06-12 | 2014-07-30 | 北京大学口腔医学院 | 一种激光式口腔内微型牙体预备自动切削装置 |
US20140144593A1 (en) * | 2012-11-28 | 2014-05-29 | International Business Machiness Corporation | Wafer debonding using long-wavelength infrared radiation ablation |
US9878399B2 (en) * | 2013-03-15 | 2018-01-30 | Jian Liu | Method and apparatus for welding dissimilar material with a high energy high power ultrafast laser |
US9092955B2 (en) * | 2013-03-22 | 2015-07-28 | Konkuk University Industrial Cooperation Corp | Laser apparatus capable of controlling a photo-mechanical effect and method using the same |
DE102013205462A1 (de) | 2013-03-27 | 2014-10-02 | Freie Universität Berlin | Verfahren zur infrarotlichtinduzierten Ausbeuteoptimierung von chemischen Reaktionen durch Schwingungsanregung |
US20140336626A1 (en) * | 2013-05-10 | 2014-11-13 | Advalue Photonics, Inc. | Medical assembly using short pulse fiber laser |
WO2015097679A1 (en) * | 2013-12-24 | 2015-07-02 | Ecole Polytechnique Federale De Lausanne (Epfl) | Ablation device and method for subsurface biological tissue ablation |
WO2015112448A1 (en) | 2014-01-22 | 2015-07-30 | Imra America, Inc. | Methods and systems for high speed laser surgery |
WO2016041086A1 (en) * | 2014-09-18 | 2016-03-24 | Light Matter Interaction Inc. | Laser apparatus for treatment of a cataractous lens |
US20170209215A1 (en) * | 2014-11-19 | 2017-07-27 | Uladzimir Valiantinavich Khomchanka | Method and device for biological tissue regeneration (embodiments) |
US11266383B2 (en) | 2015-09-22 | 2022-03-08 | University Health Network | System and method for optimized mass spectrometry analysis |
WO2017062423A1 (en) * | 2015-10-07 | 2017-04-13 | Corning Incorporated | Method of laser preparation of a coated substrate to be laser cut |
US20170189992A1 (en) * | 2015-12-31 | 2017-07-06 | Nlight, Inc. | Black sub-anodized marking using picosecond bursts |
JP7304050B2 (ja) | 2016-05-06 | 2023-07-06 | コンバージェント デンタル, インコーポレイテッド | 歯科組織を処置するためのパルス化レーザビームをパルス化および指向するためのシステムおよび方法 |
EP3469623A4 (en) | 2016-06-10 | 2020-01-22 | University Health Network | SOFT IONIZATION SYSTEM AND METHOD OF USING THE SAME |
CN109788988B (zh) | 2016-10-04 | 2022-06-24 | 波士顿科学医学有限公司 | 用于外科应用的定制激光脉冲 |
US10502550B2 (en) * | 2016-12-21 | 2019-12-10 | Kennametal Inc. | Method of non-destructive testing a cutting insert to determine coating thickness |
WO2018175322A1 (en) | 2017-03-20 | 2018-09-27 | Precise Light Surgical, Inc. | Soft tissue selective ablation surgical systems |
CN107052584B (zh) * | 2017-05-18 | 2018-09-21 | 中国工程物理研究院激光聚变研究中心 | 激光脉冲诱导熔石英表面形成均匀光栅结构的方法 |
US11090721B2 (en) | 2017-06-27 | 2021-08-17 | Fluid Handling Llc | Method for modifying the dimensions of a cast iron pump part |
WO2019023703A1 (en) | 2017-07-28 | 2019-01-31 | Fluid Handling Llc | FLUID DELIVERY METHODS FOR SPIRAL HEAT EXCHANGER WITH LATTICE CROSS SECTION PRODUCED BY ADDITIVE MANUFACTURING |
DE102017129574B9 (de) * | 2017-12-12 | 2018-12-20 | Laser Zentrum Hannover E.V. | Verfahren zum Bearbeiten von Schlachtvieh und zum Markieren von Schlachtvieh |
EP3762099A1 (en) * | 2018-04-24 | 2021-01-13 | Centre national de la recherche scientifique | Generator for affecting biological tissues and cells using microwave-induced heat profiles |
RU2770556C1 (ru) * | 2018-06-08 | 2022-04-18 | Кванта Систем С.П.А. | Система фототермической адресной терапии с интегрированным предварительным приведением в определенное состояние и автоматическим инициированием фототермической адресной терапии посредством измерения температуры поверхности кожи и соответствующие способы |
GB201809901D0 (en) * | 2018-06-15 | 2018-08-01 | Ascend Diagnostics Ltd | Improvements in and relating to mass spectrometers |
CN109695051B (zh) * | 2018-12-17 | 2020-07-28 | 清华大学 | 基于电子动态调控的飞秒激光辅助蛋白质形核方法及系统 |
CN110473754B (zh) * | 2019-07-10 | 2020-07-31 | 中国科学院上海微系统与信息技术研究所 | 一种x射线薄膜窗口电极的制备优化方法以及由此得到的x射线薄膜窗口电极 |
EP4014918B1 (de) * | 2020-12-21 | 2023-04-26 | Ivoclar Vivadent AG | System zum exkavieren von zahnmaterial |
WO2023057904A2 (en) | 2021-10-08 | 2023-04-13 | Alcon Inc. | Efficient lasers for tissue disruption |
CN113977099B (zh) * | 2021-12-07 | 2023-12-19 | 北京卫星制造厂有限公司 | 一种用于纤维复合材料的超快激光铣方法 |
WO2024011315A1 (en) * | 2022-07-11 | 2024-01-18 | Light Matter Interaction Inc. | Systems, devices and methods for targeted tissue therapy |
CN117297759A (zh) * | 2023-05-09 | 2023-12-29 | 海目星激光智能装备(成都)有限公司 | 一种产生中红外飞秒脉冲激光的生物组织微创切割系统 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4349907A (en) * | 1980-04-23 | 1982-09-14 | The United Stated Of America As Represented By The Department Of Energy | Broadly tunable picosecond IR source |
US4911712A (en) | 1988-04-14 | 1990-03-27 | Heraeus Lasersonics, Inc. | Medical laser probe |
US5074860A (en) * | 1989-06-09 | 1991-12-24 | Heraeus Lasersonics, Inc. | Apparatus for directing 10.6 micron laser radiation to a tissue site |
US5165923A (en) | 1989-11-20 | 1992-11-24 | Imperial Cancer Research Technology | Methods and compositions for the treatment of hodgkin's disease |
US5520679A (en) * | 1992-12-03 | 1996-05-28 | Lasersight, Inc. | Ophthalmic surgery method using non-contact scanning laser |
USRE37504E1 (en) * | 1992-12-03 | 2002-01-08 | Lasersight Technologies, Inc. | Ophthalmic surgery method using non-contact scanning laser |
US5656186A (en) | 1994-04-08 | 1997-08-12 | The Regents Of The University Of Michigan | Method for controlling configuration of laser induced breakdown and ablation |
JPH09107168A (ja) * | 1995-08-07 | 1997-04-22 | Mitsubishi Electric Corp | 配線基板のレーザ加工方法、配線基板のレーザ加工装置及び配線基板加工用の炭酸ガスレーザ発振器 |
US5782822A (en) | 1995-10-27 | 1998-07-21 | Ir Vision, Inc. | Method and apparatus for removing corneal tissue with infrared laser radiation |
US20020133146A1 (en) * | 1995-10-27 | 2002-09-19 | William B. Telfair | Short pulse mid-infrared parametric generator for surgery |
US5720894A (en) * | 1996-01-11 | 1998-02-24 | The Regents Of The University Of California | Ultrashort pulse high repetition rate laser system for biological tissue processing |
AU2607197A (en) * | 1996-04-09 | 1997-10-29 | Cynosure Corporation | Alexandrite laser system for treatment of dermatological specimens |
JPH11347758A (ja) * | 1998-06-10 | 1999-12-21 | Mitsubishi Heavy Ind Ltd | 超精密加工装置 |
JP2000244094A (ja) * | 1999-02-18 | 2000-09-08 | Ibiden Co Ltd | バイアホールの形成方法 |
US6449294B1 (en) * | 1999-07-26 | 2002-09-10 | Pls Liquidating Llc | Single dominant spike output erbium laser |
AU2001227809A1 (en) * | 2000-01-12 | 2001-07-24 | Lasersight Technologies, Inc. | Laser fluence compensation of a curved surface |
US6552301B2 (en) | 2000-01-25 | 2003-04-22 | Peter R. Herman | Burst-ultrafast laser machining method |
US20040005349A1 (en) * | 2000-05-12 | 2004-01-08 | Joseph Neev | Opto-thermal material modification |
US6921413B2 (en) * | 2000-08-16 | 2005-07-26 | Vanderbilt University | Methods and devices for optical stimulation of neural tissues |
US20040195221A1 (en) * | 2001-05-10 | 2004-10-07 | Haglund Jr Richard F. | Method and apparatus for laser ablative modification of dielectric surfaces |
US6804044B2 (en) * | 2002-01-18 | 2004-10-12 | The Regents Of The University Of California | Narrow bandwidth, pico-second, beta barium borate-master oscillator power amplifier system and method of operation of same |
JP2004261288A (ja) * | 2003-02-28 | 2004-09-24 | Japan Science & Technology Agency | 生体組織の処置のための波長6.1μm帯の高繰り返しパルスレーザー装置 |
DE10310293A1 (de) * | 2003-03-10 | 2004-09-23 | Robert Bosch Gmbh | Vorrichtung zum Laserbohren |
US9050116B2 (en) * | 2003-10-14 | 2015-06-09 | Gregg S. Homer | Dermal retraction with intersecting electromagnetic radiation pathways |
US20050271094A1 (en) | 2004-05-14 | 2005-12-08 | Miller Robert J D | Method and apparatus for high power optical amplification in the infrared wavelength range (0.7-20 mum) |
US6943964B1 (en) * | 2004-06-01 | 2005-09-13 | Southeastern Univ. Research Assn. | Single element laser beam shaper |
EP2772333B1 (en) * | 2004-12-30 | 2016-05-18 | Light Matter Interaction Inc. | Apparatus for laser processing a biological material |
US7630418B2 (en) | 2005-01-10 | 2009-12-08 | Kresimir Franjic | Laser system for generation of high-power sub-nanosecond pulses with controllable wavelength in 2-15 μm region |
-
2005
- 2005-12-30 EP EP14152997.4A patent/EP2772333B1/en active Active
- 2005-12-30 CN CN2005800488461A patent/CN101132880B/zh active Active
- 2005-12-30 CA CA2594357A patent/CA2594357C/en active Active
- 2005-12-30 JP JP2007548649A patent/JP5432452B2/ja active Active
- 2005-12-30 WO PCT/CA2005/001983 patent/WO2006069448A2/en active Application Filing
- 2005-12-30 EP EP05849197.8A patent/EP1830981B1/en active Active
- 2005-12-30 US US11/321,057 patent/US8029501B2/en active Active
-
2011
- 2011-09-22 US US13/240,531 patent/US20120041428A1/en not_active Abandoned
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2013
- 2013-10-08 JP JP2013210644A patent/JP5800325B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP1830981B1 (en) | 2014-04-02 |
JP5800325B2 (ja) | 2015-10-28 |
CN101132880A (zh) | 2008-02-27 |
WO2006069448A2 (en) | 2006-07-06 |
EP1830981A4 (en) | 2012-08-22 |
EP2772333A8 (en) | 2014-10-08 |
US20060195072A1 (en) | 2006-08-31 |
US20120041428A1 (en) | 2012-02-16 |
CA2594357A1 (en) | 2006-07-06 |
US8029501B2 (en) | 2011-10-04 |
JP2008526276A (ja) | 2008-07-24 |
EP2772333A1 (en) | 2014-09-03 |
JP2014061391A (ja) | 2014-04-10 |
CA2594357C (en) | 2016-01-05 |
WO2006069448A3 (en) | 2007-03-22 |
EP1830981A2 (en) | 2007-09-12 |
EP2772333B1 (en) | 2016-05-18 |
JP5432452B2 (ja) | 2014-03-05 |
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