JP6467275B2 - 内視鏡用光源装置及び内視鏡システム - Google Patents
内視鏡用光源装置及び内視鏡システム Download PDFInfo
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- 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
- A61B1/0653—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 wavelength conversion
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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
- A61B1/06—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
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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
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- 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
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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
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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
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- 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
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
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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
- A61B1/31—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 for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61K49/001—Preparation for luminescence or biological staining
- A61K49/0013—Luminescence
- A61K49/0017—Fluorescence in vivo
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- A61K49/0021—Fluorescence in vivo characterised by the fluorescent group, e.g. oligomeric, polymeric or dendritic molecules the fluorescent group being a small organic molecule
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- A61K49/001—Preparation for luminescence or biological staining
- A61K49/006—Biological staining of tissues in vivo, e.g. methylene blue or toluidine blue O administered in the buccal area to detect epithelial cancer cells, dyes used for delineating tissues during surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
- A61M31/005—Devices for introducing or retaining media, e.g. remedies, in cavities of the body for contrast media
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
- A61B2090/309—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using white LEDs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
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- H—ELECTRICITY
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
Description
12 内視鏡
14 内視鏡用光源装置
16 プロセッサ装置
20 鉗子チャネル
22 散布チューブ
22a 先端
24 注射器
30 白色LED光源
35a 照明光学系
35b 撮像光学系
Claims (9)
- 励起光を発する励起光源と、前記励起光により蛍光を発する蛍光体層とを有し、青色、緑色、及び赤色に渡る光強度スペクトルを有する射出光を射出する半導体光源と、
前記射出光から閾値以上の波長帯域の光強度を低減させる帯域制限部であり、前記閾値は650nm以上であって、前記閾値において、第1色素剤の光反射率が一定値以上であり、前記第1色素剤とは光反射特性が異なる第2色素剤の光反射率がほぼゼロである帯域制限部と、を備え、
前記光強度スペクトルは、青色、緑色、及び赤色に渡って連続的であり、かつ700nm以上の波長成分を有し、
前記第1色素剤が散布された観察対象に対して、前記帯域制限部によって光強度が低減された光を照明した場合には、前記観察対象からの反射光に、470nm以下の波長成分と640nm以上670nm未満の波長成分が含まれ、
前記第2色素剤が散布された観察対象に対して、前記帯域制限部によって光強度が低減された光を照明した場合には、前記観察対象からの反射光に、520nm以下の波長成分が含まれる内視鏡用光源装置。 - 前記閾値は、670nmである請求項1に記載の内視鏡用光源装置。
- 前記第1色素剤はピオクタニンであり、前記第2色素剤はインジゴカルミンである請求項1または2記載の内視鏡用光源装置。
- 前記励起光は、中心波長が450nmの青色光であり、前記蛍光は黄色光である請求項1から3いずれか1項に記載の内視鏡用光源装置。
- 前記射出光は、前記蛍光と、前記励起光のうち前記蛍光体層を通過した成分とが混合された光である請求項1から4いずれか1項に記載の内視鏡用光源装置。
- 前記半導体光源は、白色発光ダイオードである請求項5に記載の内視鏡用光源装置。
- 励起光を発する励起光源と、前記励起光により蛍光を発する蛍光体層とを有し、青色、緑色、及び赤色に渡る光強度スペクトルを有する射出光を射出する半導体光源と、
前記射出光から閾値以上の波長帯域の光強度を低減させる帯域制限部であり、前記閾値は650nm以上であって、前記閾値において、第1色素剤の光反射率が一定値以上であり、前記第1色素剤とは光反射特性が異なる第2色素剤の光反射率がほぼゼロである帯域制限部と、
前記帯域制限部を透過した光を照明光として観察対象へ照明する照明部と、
前記観察対象からの戻り光を撮像して、カラーの画像信号を出力する撮像素子と、
前記画像信号を画像処理して観察画像を生成する観察画像生成部と、を備え、
前記光強度スペクトルは、青色、緑色、及び赤色に渡って連続的であり、かつ700nm以上の波長成分を有し、
前記第1色素剤が散布された観察対象に対して、前記帯域制限部によって光強度が低減された光を照明した場合には、前記観察対象からの反射光に、470nm以下の波長成分と640nm以上670nm未満の波長成分が含まれ、
前記第2色素剤が散布された観察対象に対して、前記帯域制限部によって光強度が低減された光を照明した場合には、前記観察対象からの反射光に、520nm以下の波長成分が含まれる内視鏡システム。 - 前記観察対象に、前記第1色素剤または前記第2色素剤を散布する色素散布部を備える請求項7に記載の内視鏡システム。
- 前記第1色素剤はピオクタニンであり、前記第2色素剤はインジゴカルミンである請求項8に記載の内視鏡システム。
Priority Applications (4)
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JP2015081718A JP6467275B2 (ja) | 2015-04-13 | 2015-04-13 | 内視鏡用光源装置及び内視鏡システム |
EP16161619.8A EP3081144B1 (en) | 2015-04-13 | 2016-03-22 | Light source unit for endoscope and endoscopy system |
CN201610223854.5A CN106037618B (zh) | 2015-04-13 | 2016-04-12 | 内窥镜用光源装置和内窥镜系统 |
US15/096,643 US10143365B2 (en) | 2015-04-13 | 2016-04-12 | Light source unit for endoscope and endoscopy system |
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EP (1) | EP3081144B1 (ja) |
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USD841159S1 (en) * | 2015-06-12 | 2019-02-19 | Fujifilm Corporation | Operating grip for endoscope |
USD808014S1 (en) * | 2016-10-24 | 2018-01-16 | INTHESMART Inc. | Light source apparatus for endoscope |
JP2021500552A (ja) * | 2017-10-20 | 2021-01-07 | ナントバイオ,インコーポレイテッド | 膀胱癌免疫療法のモニタリング方法 |
JP7176855B2 (ja) * | 2018-04-23 | 2022-11-22 | 株式会社エビデント | 内視鏡装置、内視鏡装置の作動方法、プログラム、および記録媒体 |
WO2020121373A1 (ja) * | 2018-12-10 | 2020-06-18 | オリンパス株式会社 | 画像記録装置 |
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