JP5514111B2 - 走査ファイバ装置における歪みの低減 - Google Patents
走査ファイバ装置における歪みの低減 Download PDFInfo
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- JP5514111B2 JP5514111B2 JP2010527923A JP2010527923A JP5514111B2 JP 5514111 B2 JP5514111 B2 JP 5514111B2 JP 2010527923 A JP2010527923 A JP 2010527923A JP 2010527923 A JP2010527923 A JP 2010527923A JP 5514111 B2 JP5514111 B2 JP 5514111B2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00096—Optical elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
- A61B1/00172—Optical arrangements with means for scanning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/07—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements using light-conductive means, e.g. optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2461—Illumination
- G02B23/2469—Illumination using optical fibres
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/103—Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Astronomy & Astrophysics (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Microscoopes, Condenser (AREA)
- Endoscopes (AREA)
Description
102 ベースステーション
104 光源
106 アクチュエータドライバ
108 温度コントローラ
109 設定点温度
110 光検出器(任意)
112 画像処理及び表示システム(任意)
114 コネクタインターフェイス
116 コネクタ
118 ケーブル
120 (単複の)アクチュエータ駆動信号経路
122 光路
124 (単複の)後方散乱光経路
130 走査ファイバ装置
132 アクチュエータ
134 自由端部
136 先端
138 (単複の)レンズ
140 センサ装置
142 温度調節装置(例えばヒータ)
144 表面
Claims (10)
- 走査ファイバ画像取得デバイスの片持ち式光ファイバを透過する光の強度を変化させるステップと、
前記光の強度の変化に基づいて少なくとも部分的に前記走査ファイバ画像取得デバイスのための設定点温度を変更するステップと、
を含み、
前記設定点温度の変更が、前記片持ち式光ファイバ、及び該片持ち式光ファイバに付着された接着剤の少なくとも一方の温度を、前記光の強度の変化にかかわらず実質的に一定に維持するように動作する、
ことを特徴とする方法。 - 前記設定点温度の変更が、前記走査ファイバ画像取得デバイスの片持ち式光ファイバの作動に影響を与える、前記光の強度の変化により少なくとも部分的に生じる、前記走査ファイバ画像取得デバイスを使用して取得した画像内の歪みを実質的に低減するように動作する、
ことを特徴とする請求項1に記載の方法。 - 前記設定点温度の変更により、前記歪みが実質的に除去される、
ことを特徴とする請求項2に記載の方法。 - 前記強度を変化させるステップが前記強度を高めるステップを含むこと、前記設定点温度を変更するステップが前記設定点温度を下げるステップを含むこと、前記強度を変化させるステップが前記強度を低下させるステップを含むこと、前記設定点温度を変更するステップが前記設定点温度を上昇させるステップを含むこと、及びさらに走査ファイバ内視鏡である走査ファイバ画像取得デバイスを患者に挿入し、前記走査ファイバ画像取得デバイスを用いて患者の内部の画像を取得するステップを含むこと、
のうちの少なくとも1つが真である請求項1に記載の方法。 - 前記設定点温度を変更するステップが、前記強度が変化した後数秒以内に前記設定点温度を徐々に複数回変更するステップを含む、
ことを特徴とする請求項1に記載の方法。 - 走査ファイバ画像取得デバイスに結合されたインターフェイスと、
前記インターフェイスと光学的に結合されて、前記インターフェイスを介して前記走査ファイバ画像取得デバイスに光を提供する1又はそれ以上の光源と、
前記インターフェイスと電気的に結合されて、前記インターフェイスを介して前記走査ファイバ画像取得デバイスにアクチュエータ駆動信号を提供する1又はそれ以上のアクチュエータドライバと、
前記インターフェイスを介して前記走査ファイバ画像取得デバイスに提供される前記光の強度に少なくとも部分的に基づいて、前記走査ファイバ画像取得デバイスのための設定点温度を決定するための設定点温度決定ユニットであって、
前記走査ファイバ画像取得デバイスの片持ち式光ファイバ及び前記片持ち式光ファイバに結合した接着剤の少なくとも一方の温度を、前記強度の変化にかかわらず実質的に一定に維持する設定点温度を決定するようになっている、設定点温度決定ユニットと、
前記設定点温度決定ユニットと連通して、前記決定された設定点温度を受け取る温度コントローラと、
を備え、
前記温度コントローラが前記インターフェイスと電気的に結合されて、前記決定された設定点温度に少なくとも部分的に基づく1又はそれ以上の温度制御信号を前記インターフェイスを介して前記走査ファイバ画像取得デバイスに提供する、
ことを特徴とする装置。 - 前記設定点温度決定ユニットが、前記光の強度により少なくとも部分的に生じる、前記走査ファイバ画像取得デバイスを使用して取得した画像内の歪みを実質的に低減する設定点温度を決定するようになっている、
ことを特徴とする請求項6に記載の装置。 - 前記設定点温度決定ユニットが、前記歪みを実質的に除去する設定点温度を決定するようになっている、
ことを特徴とする請求項7に記載の装置。 - 前記設定点温度決定ユニットが、前記強度の変化とは逆方向の前記設定点温度の変更を決定するようになっている、
ことを特徴とする請求項6に記載の装置。 - 前記走査ファイバ画像取得デバイスが走査ファイバ内視鏡を含む、
ことを特徴とする請求項6に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/973,104 | 2007-10-04 | ||
US11/973,104 US7522813B1 (en) | 2007-10-04 | 2007-10-04 | Reducing distortion in scanning fiber devices |
PCT/US2007/021604 WO2009045199A1 (en) | 2007-10-04 | 2007-10-09 | Reducing distortion in scanning fiber devices |
Publications (2)
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JP2010541017A JP2010541017A (ja) | 2010-12-24 |
JP5514111B2 true JP5514111B2 (ja) | 2014-06-04 |
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JP2010527923A Active JP5514111B2 (ja) | 2007-10-04 | 2007-10-09 | 走査ファイバ装置における歪みの低減 |
Country Status (4)
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US (1) | US7522813B1 (ja) |
EP (1) | EP2229602B1 (ja) |
JP (1) | JP5514111B2 (ja) |
WO (1) | WO2009045199A1 (ja) |
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