JP6138386B1 - 内視鏡装置及び内視鏡システム - Google Patents
内視鏡装置及び内視鏡システム Download PDFInfo
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- 230000003287 optical effect Effects 0.000 claims abstract description 123
- 238000003384 imaging method Methods 0.000 claims abstract description 65
- 230000005284 excitation Effects 0.000 claims abstract description 61
- 239000007850 fluorescent dye Substances 0.000 claims abstract description 37
- 238000003780 insertion Methods 0.000 claims abstract description 34
- 230000037431 insertion Effects 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000004611 spectroscopical analysis Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 68
- 238000005286 illumination Methods 0.000 description 24
- 230000000875 corresponding effect Effects 0.000 description 16
- 238000002073 fluorescence micrograph Methods 0.000 description 12
- 229910052724 xenon Inorganic materials 0.000 description 12
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
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- 230000000007 visual effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- A61B1/043—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 fluorescence imaging
-
- 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
- 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
- A61B1/00043—Operational features of endoscopes provided with output arrangements
- A61B1/00045—Display arrangement
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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
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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
- A61B1/05—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 the image sensor, e.g. camera, being in the distal end portion
- A61B1/053—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 the image sensor, e.g. camera, being in the distal end portion being detachable
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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
- A61B1/06—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
- A61B1/0638—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 providing two or more wavelengths
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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
- A61B1/06—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
- A61B1/0646—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 with illumination filters
-
- 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
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Animal Behavior & Ethology (AREA)
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Abstract
Description
図1から図9は、本発明の第1の実施例及び変形例に係るものである。
図10は、本発明の第2の実施例に係るものである。
Claims (3)
- 被検体内に存在する被写体に対する白色光の照射に応じて発生する前記白色光の反射光を用いた観察と、前記被検体内に投与された第1の蛍光色素に対する第1の励起光の照射に応じて発生する第1の蛍光を用いた観察と、前記被検体内に投与された第2の蛍光色素に対する第2の励起光の照射に応じて発生する第2の蛍光を用いた観察と、を行うことが可能な内視鏡装置であって、
前記被検体内に挿入可能な挿入部と、
前記挿入部の先端部に設けられ、前記白色光の反射光と、前記第1の蛍光と、前記第2の蛍光と、前記第1の励起光の照射に応じて発生する前記第1の励起光の反射光と、前記第2の励起光の照射に応じて発生する前記第2の励起光の反射光と、が戻り光として入射されるように構成された対物光学系と、
前記挿入部において前記対物光学系よりも基端側に設けられ、複数のレンズを有し、前記対物光学系により得られた前記戻り光を伝送する伝送光学系と、
前記挿入部に対して着脱可能に構成され、前記伝送光学系を経た前記戻り光が入射する複数の撮像素子を備えたカメラユニットと、
前記カメラユニットに設けられ、前記伝送光学系を経て出射される前記戻り光を前記白色光の波長帯域と前記白色光の波長帯域とは異なる波長帯域の光とに分光して出射するように構成された分光器と、
前記伝送光学系の前記複数のレンズの間に配置され、または、前記カメラユニット内であって前記分光器の前記戻り光の入射側の所定の位置に配置され、前記白色光の反射光、前記第1の蛍光及び前記第2の蛍光を透過させつつ、前記第1の励起光の反射光及び前記第2の励起光の反射光を遮断するような光学特性を具備して形成された光学フィルタと、
前記複数の撮像素子に含まれ、前記光学フィルタ及び前記分光器を経て出射される前記白色光の反射光を撮像するための第1の撮像素子と、
前記複数の撮像素子に含まれ、前記光学フィルタ及び前記分光器を経て出射される前記第1の蛍光と前記第2の蛍光とを撮像するための第2の撮像素子と、
を有することを特徴とする内視鏡装置。 - 前記分光器は、前記白色光の波長帯域とは異なる波長帯域の光をさらに前記第1の蛍光の波長帯域の光と前記第2の蛍光の波長帯域の光とに分光してそれぞれ出射するように構成されており、
前記第2の撮像素子は、前記第1の蛍光の波長帯域の光を受光する撮像素子と、前記第2の蛍光の波長帯域の光を受光する撮像素子と、からなる
ことを特徴とする請求項1に記載の内視鏡装置。 - 被検体内に存在する被写体を照明するための白色光と、前記被検体内に投与された第1の蛍光色素を励起させて第1の蛍光を発生させるための第1の励起光と、前記被検体内に投与された第2の蛍光色素を励起させて第2の蛍光を発生させるための第2の励起光と、を供給可能な光源装置と、
前記被検体内に挿入可能な挿入部と、
前記挿入部の先端部に設けられ、前記被写体に対する前記白色光の照射に応じて発生する前記白色光の反射光と、前記第1の蛍光と、前記第2の蛍光と、前記第1の励起光の照射に応じて発生する前記第1の励起光の反射光と、前記第2の励起光の照射に応じて発生する前記第2の励起光の反射光と、が戻り光として入射されるように構成された対物光学系と、
前記挿入部において前記対物光学系よりも基端側に設けられ、複数のレンズを有し、前記対物光学系により得られた前記戻り光を伝送する伝送光学系と、
前記挿入部に対して着脱可能に構成され、前記伝送光学系を経た前記戻り光が入射する複数の撮像素子を備えたカメラユニットと、
前記カメラユニットに設けられ、前記伝送光学系を経て出射される前記戻り光を前記白色光の波長帯域と前記白色光の波長帯域とは異なる波長帯域の光とに分光して出射するように構成された分光器と、
前記伝送光学系の前記複数のレンズの間に配置され、または、前記カメラユニット内であって前記分光器の前記戻り光の入射側の所定の位置に配置され、前記白色光の反射光、前記第1の蛍光及び前記第2の蛍光を透過させつつ、前記第1の励起光の反射光及び前記第2の励起光の反射光を遮断するような光学特性を具備して形成された光学フィルタと、
前記複数の撮像素子に含まれ、前記光学フィルタ及び前記分光器を経て出射される前記白色光の反射光を撮像するための第1の撮像素子と、
前記複数の撮像素子に含まれ、前記光学フィルタ及び前記分光器を経て出射される前記第1の蛍光と前記第2の蛍光とを撮像するための第2の撮像素子と、
を有することを特徴とする内視鏡システム。
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JP2015185196 | 2015-09-18 | ||
JP2015185196 | 2015-09-18 | ||
PCT/JP2016/061234 WO2017047142A1 (ja) | 2015-09-18 | 2016-04-06 | 内視鏡装置及び内視鏡システム |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008072444A1 (ja) * | 2006-12-14 | 2008-06-19 | Olympus Corporation | 内視鏡システム |
JP2009039510A (ja) * | 2007-07-18 | 2009-02-26 | Fujifilm Corp | 撮像装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US20050027166A1 (en) * | 2003-06-17 | 2005-02-03 | Shinya Matsumoto | Endoscope system for fluorescent observation |
US7798955B2 (en) * | 2004-10-26 | 2010-09-21 | Olympus Corporation | Image generating device for generating a fluorescence image |
US20060173358A1 (en) * | 2005-01-11 | 2006-08-03 | Olympus Corporation | Fluorescence observation endoscope apparatus and fluorescence observation method |
JP2006296635A (ja) * | 2005-04-19 | 2006-11-02 | Olympus Corp | 内視鏡装置 |
JP2007313169A (ja) * | 2006-05-29 | 2007-12-06 | Olympus Corp | 病変抽出装置および病変抽出方法 |
US20080177140A1 (en) * | 2007-01-23 | 2008-07-24 | Xillix Technologies Corp. | Cameras for fluorescence and reflectance imaging |
JP4954858B2 (ja) * | 2007-11-30 | 2012-06-20 | オリンパス株式会社 | 蛍光観察装置および内視鏡装置 |
JP5074256B2 (ja) * | 2008-03-24 | 2012-11-14 | オリンパス株式会社 | 蛍光観察装置 |
JP4642157B2 (ja) * | 2009-03-24 | 2011-03-02 | オリンパスメディカルシステムズ株式会社 | 蛍光観察装置 |
JP4585050B1 (ja) * | 2009-03-30 | 2010-11-24 | オリンパスメディカルシステムズ株式会社 | 蛍光観察装置 |
JP2011200367A (ja) * | 2010-03-25 | 2011-10-13 | Fujifilm Corp | 画像撮像方法および装置 |
JP2012245285A (ja) * | 2011-05-31 | 2012-12-13 | Fujifilm Corp | 光源装置 |
EP2732752B1 (en) * | 2012-02-17 | 2019-05-01 | Olympus Corporation | Medical system |
JP6103824B2 (ja) * | 2012-06-04 | 2017-03-29 | オリンパス株式会社 | 蛍光内視鏡装置 |
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- 2016-04-06 JP JP2016573630A patent/JP6138386B1/ja active Active
- 2016-04-06 WO PCT/JP2016/061234 patent/WO2017047142A1/ja active Application Filing
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- 2017-07-11 US US15/646,498 patent/US20170303775A1/en not_active Abandoned
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2008072444A1 (ja) * | 2006-12-14 | 2008-06-19 | Olympus Corporation | 内視鏡システム |
JP2009039510A (ja) * | 2007-07-18 | 2009-02-26 | Fujifilm Corp | 撮像装置 |
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US20170303775A1 (en) | 2017-10-26 |
JPWO2017047142A1 (ja) | 2017-09-14 |
WO2017047142A1 (ja) | 2017-03-23 |
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