JP2000504234A - レーザ外科装置及びその使用方法 - Google Patents
レーザ外科装置及びその使用方法Info
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- JP2000504234A JP2000504234A JP8527688A JP52768896A JP2000504234A JP 2000504234 A JP2000504234 A JP 2000504234A JP 8527688 A JP8527688 A JP 8527688A JP 52768896 A JP52768896 A JP 52768896A JP 2000504234 A JP2000504234 A JP 2000504234A
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
-
- 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
- A61B18/203—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 applying laser energy to the outside of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00022—Sensing or detecting at the treatment site
- A61B2017/00057—Light
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00747—Dermatology
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00452—Skin
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00452—Skin
- A61B2018/0047—Upper parts of the skin, e.g. skin peeling or treatment of wrinkles
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00452—Skin
- A61B2018/00476—Hair follicles
-
- 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
- A61B2018/2015—Miscellaneous features
- A61B2018/2025—Miscellaneous features with a pilot laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
- A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
- A61N2005/0644—Handheld applicators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/0616—Skin treatment other than tanning
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Electromagnetism (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Laser Surgery Devices (AREA)
- Radiation-Therapy Devices (AREA)
- Surgical Instruments (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 水のピーク吸収波長に相当する所定波長を有する手術用ビームを生成す る手術用レーザアセンブリと、 前記手術される生体組織から反射される信号を受信しチェックすることによっ て手術される生体組織の状態を検出するとともに、制御信号を生成する検出装置 と、 前記制御信号に基づいて前記手術用ビームの特性を制御して調節する制御ユニ ットと、 からなり、前記生体組織が蒸発する深さが15〜20ミクロンを越えないことを 特徴とする生体組織を蒸発させる装置。 2. 前記手術される生体組織に前記手術用ビームを集束せしめるフォーカシ ング装置と、前記手術される生体組織に前記手術用ビームを目標とせしめるガイ ド光ビームを生成する光ガイドユニットと、少なくとも前記手術用レーザアセン ブリを冷却する冷却ユニットとを更に有することを特徴とする請求の範囲第1項 記載の装置。 3. 前記手術される生体組織の領域から壊された組織生成物を除去する吸入 装置をさらに有することを特徴とする請求の範囲第2項記載の装置。 4. 前記手術用レーザアセンブリは、前記手術用ビームを発する手術用レー ザ素子と、前記手術用レーザ素子を励起する励起装置とを少なくとも有すること を特徴とする 請求の範囲第3項記載の装置。 5. オペレータの手に都合良く収まるようになっているハンドピースをさら に有し、前記ハンドピースは、内部と外部とを有し、前記手術用レーザアセンブ リの少なくとも一部と前記フォーカシング装置とは、前記ハンドピースの前記内 部に配置されていることを特徴とする請求の範囲第4項記載の装置。 6. 前記冷却ユニット及び前記光ガイドユニットの少なくとも一部は、前記 ハンドピースの内部に配置されていることを特徴とする請求の範囲第5項記載の 装置。 7. 前記冷却ユニットは、前記ハンドピースの前記内部にて長手方向に延在 する空気流を生成するファンであり、故に、前記手術用レーザアセンブリの一部 が前記空気流内に配置されて有効に冷却されることを特徴とする請求の範囲第6 項記載の装置。 8. 前記励起装置は、前記ハンドピースの外側に配置されて、少なくとも1 の光ファイバによって前記手術用レーザ素子に接続されていることを特徴とする 請求の範囲第5項記載の装置。 9. 前記手術用レーザ素子は作業部及び補助部を有し、前記作業部は前記ハ ンドピース内に配置され、前記補助部及び前記励起装置は前記ハンドピースの外 側に配置され、手術用レーザ素子の前記作業部及び補助部は、少なくとも1のフ ァイバからなる光ガイドを介して接続されているこ とを特徴とする請求の範囲第5項記載の装置。 10. 前記検出装置は、フォト素子(photo elements)、フォトレジスタ、 フォトダイオードからなるグループから選択されていることを特徴とする請求の 範囲第1項記載の装置。 11. 前記手術用ビームの波長は、2.9〜3.0ミクロンの間であること を特徴とする請求の範囲第1項記載の装置。 12. 前記手術用レーザ素子は、Er:YAGレーザロッドであることを特 徴とする請求の範囲第4項記載の装置。 13. 前記手術用レーザ素子により発せられる前記手術用ビームの波長は、 次の範囲、すなわち、1.25〜1.40μm、1.7〜2.1μm、2.5〜3. 1μm、5.5〜7.5μmからなるグループから選択されることを特徴とする 請求の範囲第1項記載の装置。 14. 前記手術用レーザ素子のレーザ媒体は、Y3AL5O12:Nd;Gd3 Ga5O12:cr、Ce、Nd;MgF2:Co;BaYb2F8:Er;LiYF4 :Er:Tm,Ho;Y3Sc2Al3O12:cr、Er;(Y,Er)3Al5O12 HF(化学)、CO(気体)からなるグループから選択されていることを特徴 とする請求の範囲第4項記載の装置。 15. 前記光ガイドユニットは、低電力ビームを連続 して出力し、He:Neレーザ、半導体レーザ、発光ダイオードからなるグルー プから選択されていることを特徴とする請求の範囲第2項記載の装置。 16. 前記励起装置は、フラッシュランプ及びダイオードレーザからなるグ ループから選択されることを特徴とする請求の範囲第4項記載の装置。 17. 生体組織を蒸発させるレーザ外科装置であって、内部及び外部を有す るハウジングと、 手術用ビームを生成する手術用レーザアセンブリの少なくとも一部を含むレー ザ共振器と、 冷却空気流を生成するファンと、 前記手術用ビームを集束せしめるフォーカシング装置と、 前記手術用ビームを目標とする光ガイドユニットと、 を有し、前記レーザ共振器と前記ファンと前記フォーカシング装置と前記光ガイ ドユニットとはハウジングの前記内部に配置され、前記ファンは前記レーザ共振 器の後方に配置され、前記レーザ共振器の前方に配置された前記光ガイドユニッ トは前記集束レンズと対向し、 ハンドピースの前記内部に長手方向に延在する前記空気流は、効率良く少なく とも前記レーザ共振器を冷却することを特徴とするレーザ外科装置。 18. 生体組織を外科的に蒸発させる方法であって、 (a) 水のピーク吸収波長に相当する所定波長を有する手術用レーザビームを 生成する行程と、 (b) 前記手術される生体組織から反射される放射信号を受信しチェックする ことにより手術される生体組織の状態を検出するとともに制御信号を生成する行 程と、 (c) 前記制御信号に基づいて前記手術用ビームの特性を制御して調節する行 程と を有し、前記生体組織が蒸発する深さが15〜20ミクロンを越えないことを特 徴とする方法。 19. 前記手術用レーザ素子によって発せられる前記手術用ビームの波長は 、1.25〜1.40μm、1.7−2.1μm、2.5−3.1μm、5.5 ‐7.5μmからなるグループから選択されることを特徴とする請求の範囲第1 8項記載の方法。 20. 前記手術用レーザ素子のレーザ媒体は、Y3AL5O12:Nd;Gd3 Ga5O12:Cr,Ce、Nd;MgF2:Co;BaYb2F8:Er;LiYF4 :Er,Tm、Ho;Y3Sc2Al3O12:Cr、Er;(Y,Er)3Al5O12 ;HF(化学)、CO(気体)からなるグループから選択されることを特徴と する請求の範囲第18項記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/610,211 | 1996-03-04 | ||
| US08/610,211 US5868731A (en) | 1996-03-04 | 1996-03-04 | Laser surgical device and method of its use |
| PCT/US1996/002984 WO1996028212A1 (en) | 1995-03-09 | 1996-03-05 | Laser surgical device and method of its use |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007096736A Division JP2007216039A (ja) | 1996-03-04 | 2007-04-02 | レーザ外科装置及びその使用方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000504234A true JP2000504234A (ja) | 2000-04-11 |
Family
ID=24444129
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8527688A Withdrawn JP2000504234A (ja) | 1996-03-04 | 1996-03-05 | レーザ外科装置及びその使用方法 |
| JP2007096736A Pending JP2007216039A (ja) | 1996-03-04 | 2007-04-02 | レーザ外科装置及びその使用方法 |
| JP2011006357A Expired - Lifetime JP5549037B2 (ja) | 1996-03-04 | 2011-01-14 | レーザ外科装置及びその使用方法 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007096736A Pending JP2007216039A (ja) | 1996-03-04 | 2007-04-02 | レーザ外科装置及びその使用方法 |
| JP2011006357A Expired - Lifetime JP5549037B2 (ja) | 1996-03-04 | 2011-01-14 | レーザ外科装置及びその使用方法 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5868731A (ja) |
| EP (1) | EP0892657B9 (ja) |
| JP (3) | JP2000504234A (ja) |
| KR (1) | KR100434195B1 (ja) |
| CN (1) | CN1178715C (ja) |
| AT (1) | ATE438440T1 (ja) |
| AU (1) | AU722546B2 (ja) |
| BR (1) | BR9612630A (ja) |
| CA (1) | CA2248180C (ja) |
| DE (1) | DE69637986D1 (ja) |
| ES (1) | ES2331339T3 (ja) |
Cited By (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008023355A (ja) * | 1997-05-15 | 2008-02-07 | Palomar Medical Technologies Inc | 皮膚科的治療方法及び装置 |
| JP2009536531A (ja) * | 2006-02-01 | 2009-10-15 | ザ ジェネラル ホスピタル コーポレイション | コンフォーマルレーザ治療手順を用いてサンプルの少なくとも一部分に電磁放射を放射する方法及びシステム。 |
| JP2010501202A (ja) * | 2006-02-01 | 2010-01-21 | ザ ジェネラル ホスピタル コーポレイション | コンフォーマルレーザ治療手順を用いてサンプルの少なくとも一部分の情報をモニタ及び取得し、電磁放射を放射する方法及びシステム |
| US8289522B2 (en) | 2005-09-29 | 2012-10-16 | The General Hospital Corporation | Arrangements and methods for providing multimodality microscopic imaging of one or more biological structures |
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- 1996-03-05 AU AU53024/96A patent/AU722546B2/en not_active Expired
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2011104390A (ja) | 2011-06-02 |
| AU722546B2 (en) | 2000-08-03 |
| EP0892657B1 (en) | 2009-08-05 |
| EP0892657A1 (en) | 1999-01-27 |
| CN1178715C (zh) | 2004-12-08 |
| US5868731A (en) | 1999-02-09 |
| EP0892657B9 (en) | 2009-11-18 |
| EP0892657A4 (en) | 2006-06-28 |
| ES2331339T3 (es) | 2009-12-29 |
| ATE438440T1 (de) | 2009-08-15 |
| AU5302496A (en) | 1996-10-02 |
| KR19990087576A (ko) | 1999-12-27 |
| CA2248180A1 (en) | 1996-09-19 |
| CN1213978A (zh) | 1999-04-14 |
| BR9612630A (pt) | 1999-07-20 |
| CA2248180C (en) | 2006-12-05 |
| JP5549037B2 (ja) | 2014-07-16 |
| DE69637986D1 (de) | 2009-09-17 |
| KR100434195B1 (ko) | 2004-12-03 |
| JP2007216039A (ja) | 2007-08-30 |
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