JP6445809B2 - 光走査型観察装置 - Google Patents
光走査型観察装置 Download PDFInfo
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- JP6445809B2 JP6445809B2 JP2014177164A JP2014177164A JP6445809B2 JP 6445809 B2 JP6445809 B2 JP 6445809B2 JP 2014177164 A JP2014177164 A JP 2014177164A JP 2014177164 A JP2014177164 A JP 2014177164A JP 6445809 B2 JP6445809 B2 JP 6445809B2
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- 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
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- 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
- A61B1/00002—Operational features of endoscopes
- A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
- A61B1/00006—Operational features of endoscopes characterised by electronic signal processing of control signals
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- A—HUMAN NECESSITIES
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- 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
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
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- 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
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- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/042—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 combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
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- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/044—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 combined with photographic or television appliances for absorption imaging
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- 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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/045—Control thereof
-
- 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
- A61B1/063—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 for monochromatic or narrow-band illumination
-
- 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
- A61B1/0655—Control therefor
-
- 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
- A61B1/0661—Endoscope light sources
-
- 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
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
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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
- G02B26/103—Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
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- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
光源からの光を対象物上に走査して該対象物の画像を取得する光走査型観察装置において、
前記光源からの光を導光し、揺動可能に支持された先端部から前記対象物へ照射するファイバと、
前記ファイバの前記先端部を振動駆動する駆動部と、
前記光の照射により前記対象物から得られる光を検出し電気信号に変換する光検出部と、
前記光検出部により出力された電気信号から画素情報を生成する信号処理部と、
前記光検出部が出力する前記電気信号が、前記信号処理部において前記対象物の画像の有効な画素情報の生成に使用される、前記対象物から得られる光の検出および前記電気信号の出力をする期間を有効検出期間とするとき、前記有効検出期間の期間外に前記光検出部の検出特性の制御を実行する光検出制御部と、
を備え、
前記光検出部の前記検出特性が複数あり、
前記光検出制御部は、前記有効検出期間の期間外に、前記複数の検出特性を順次制御することを特徴とするものである。
図1は、第1実施の形態に係る光走査型観察装置の一例である光走査型内視鏡装置10の概略構成を示すブロック図である。光走査型内視鏡装置10は、スコープ20と、制御装置本体30とディスプレイ40とを含んで構成されている。
図8は、第2実施の形態に係る光走査型内視鏡装置の各部の稼働状態を示すタイミングチャートである。本実施の形態に係る光走査型内視鏡装置は、図1に示した第1実施の形態に係る光走査型内視鏡装置10と同様の構成要素で構成されているので、装置構成についての説明は省略する。
図9は、第3実施の形態に係る光走査型内視鏡装置の各部の稼働状態を示すタイミングチャートである。第1実施の形態では、光検出器35の検出特性として増倍率のみを制御していたが、第3実施の形態では、これに加えてオフセットを制御する。本実施の形態に係る光走査型内視鏡装置は、図1に示した第1実施の形態の光走査型内視鏡装置10と同様の構成要素で構成されているので、装置構成についての説明は省略する。
11 照明用光ファイバ
11a 固定端
11b 揺動部
11c 先端部
12 検出用光ファイバ
13 配線ケーブル
20 スコープ
21 アクチュエータ
22 操作部
23 挿入部
24 先端部
25a、25b 投影用レンズ
26 取付環
27 アクチュエータ管
28a〜28d 圧電素子
29 ファイバ保持部材
30 制御装置本体
31 制御部
31a 光検出制御部
32 発光タイミング制御部
33R、33G、33B レーザ
34 結合器
35 光検出器
36 ADC
37 信号処理部
38 アクチュエータドライバ
40 ディスプレイ
Claims (4)
- 光源からの光を対象物上に走査して該対象物の画像を取得する光走査型観察装置において、
前記光源からの光を導光し、揺動可能に支持された先端部から前記対象物へ照射するファイバと、
前記ファイバの前記先端部を振動駆動する駆動部と、
前記光の照射により前記対象物から得られる光を検出し電気信号に変換する光検出部と、
前記光検出部により出力された電気信号から画素情報を生成する信号処理部と、
前記光検出部が出力する前記電気信号が、前記信号処理部において前記対象物の画像の有効な画素情報の生成に使用される、前記対象物から得られる光の検出および前記電気信号の出力をする期間を有効検出期間とするとき、前記有効検出期間の期間外に前記光検出部の検出特性の制御を実行する光検出制御部と、
を備え、
前記光検出部の前記検出特性が複数あり、
前記光検出制御部は、前記有効検出期間の期間外に、前記複数の検出特性を順次制御する光走査型観察装置。 - 前記光検出部の前記検出特性は、光増倍率を含むことを特徴とする請求項1に記載の光走査型観察装置。
- 前記光検出部の前記検出特性は、オフセットを含むことを特徴とする請求項1に記載の光走査型観察装置。
- 前記駆動部は、所定の走査パターンで前記ファイバを駆動して、前記対象物上で1フレーム分の走査を繰り返し行い、前記光検出制御部は時間的に隣接する各フレームの境界に位置する期間であって、前記有効検出期間の期間外に、前記検出特性を制御する請求項1〜3に記載の走査型観察装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014177164A JP6445809B2 (ja) | 2014-09-01 | 2014-09-01 | 光走査型観察装置 |
CN201580044490.8A CN106572787B (zh) | 2014-09-01 | 2015-08-18 | 光扫描型观察装置 |
DE112015003539.7T DE112015003539T5 (de) | 2014-09-01 | 2015-08-18 | Optische Abtastbeobachtungsvorrichtung |
PCT/JP2015/004089 WO2016035265A1 (ja) | 2014-09-01 | 2015-08-18 | 光走査型観察装置 |
US15/444,895 US10025087B2 (en) | 2014-09-01 | 2017-02-28 | Optical scanning observation apparatus |
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JP2014177164A JP6445809B2 (ja) | 2014-09-01 | 2014-09-01 | 光走査型観察装置 |
Publications (2)
Publication Number | Publication Date |
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JP2016049336A JP2016049336A (ja) | 2016-04-11 |
JP6445809B2 true JP6445809B2 (ja) | 2018-12-26 |
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JP2014177164A Active JP6445809B2 (ja) | 2014-09-01 | 2014-09-01 | 光走査型観察装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10025087B2 (ja) |
JP (1) | JP6445809B2 (ja) |
CN (1) | CN106572787B (ja) |
DE (1) | DE112015003539T5 (ja) |
WO (1) | WO2016035265A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018094695A1 (zh) * | 2016-11-25 | 2018-05-31 | 深圳迈瑞生物医疗电子股份有限公司 | 一种内窥镜系统及其控制方法 |
WO2020141568A1 (ja) * | 2019-01-04 | 2020-07-09 | オリンパス株式会社 | 内視鏡装置 |
JP7224985B2 (ja) * | 2019-03-19 | 2023-02-20 | ソニー・オリンパスメディカルソリューションズ株式会社 | 医療用光源装置及び医療用観察システム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002360510A (ja) * | 2001-06-08 | 2002-12-17 | Fuji Photo Film Co Ltd | 内視鏡装置およびその制御方法 |
JP2004073532A (ja) * | 2002-08-20 | 2004-03-11 | Fuji Photo Film Co Ltd | 撮像装置 |
WO2007084915A2 (en) * | 2006-01-17 | 2007-07-26 | University Of Washington | Scanning fiber-optic nonlinear optical imaging and spectroscopy endoscope |
JP6006199B2 (ja) * | 2011-03-31 | 2016-10-12 | オリンパス株式会社 | 蛍光観察装置 |
JP2013121455A (ja) * | 2011-12-12 | 2013-06-20 | Hoya Corp | 走査型内視鏡システム |
JP2014145942A (ja) * | 2013-01-29 | 2014-08-14 | Olympus Corp | 光走査型観察装置 |
JP6314008B2 (ja) * | 2014-03-20 | 2018-04-18 | オリンパス株式会社 | 内視鏡システム |
CN106456146B (zh) * | 2014-05-02 | 2019-10-25 | 奥林巴斯株式会社 | 内窥镜用粘膜提起器具及内窥镜处置系统 |
-
2014
- 2014-09-01 JP JP2014177164A patent/JP6445809B2/ja active Active
-
2015
- 2015-08-18 WO PCT/JP2015/004089 patent/WO2016035265A1/ja active Application Filing
- 2015-08-18 DE DE112015003539.7T patent/DE112015003539T5/de not_active Withdrawn
- 2015-08-18 CN CN201580044490.8A patent/CN106572787B/zh active Active
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2017
- 2017-02-28 US US15/444,895 patent/US10025087B2/en active Active
Also Published As
Publication number | Publication date |
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CN106572787B (zh) | 2018-05-08 |
CN106572787A (zh) | 2017-04-19 |
US20170168286A1 (en) | 2017-06-15 |
US10025087B2 (en) | 2018-07-17 |
DE112015003539T5 (de) | 2017-04-27 |
JP2016049336A (ja) | 2016-04-11 |
WO2016035265A1 (ja) | 2016-03-10 |
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