JP6025130B2 - 内視鏡及び内視鏡システム - Google Patents
内視鏡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
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- A61B1/00002—Operational features of endoscopes
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- 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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- 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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- 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
- A61B1/046—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 infrared imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
- G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
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- H—ELECTRICITY
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- A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
Description
[内視鏡の構成]
図1は第1の実施形態における内視鏡10の外観を示す模式図である。図2は内視鏡10の概略構成を示す模式図である。内視鏡10は、使用者が片手で取扱い可能な医療器具である。内視鏡10は、例えば、スコープ11、マウントアダプタ12、リレーレンズ13、カメラヘッド14、操作スイッチ19及び光源コネクタ18を含んで構成される。
図3は4色分解プリズム20の構造の一例を示す図である。
図4は4色分解プリズム20の分光特性の一例を示すグラフである。図4の縦軸は、各透過率(%)を示し、各プリズムへの入射光の光量に対する、各プリズムに対するイメージセンサ230〜233への入射光の光量の比率に相当する。図4の横軸は、各イメージセンサ230〜233に入射する光の波長(nm)を表す。
図5は内視鏡システム5の構成を示すブロック図である。内視鏡システム5は、内視鏡10、CCU30、及び表示部40を含んで構成される。内視鏡10のカメラヘッド14は、前述した4色分解プリズム20及びイメージセンサ230,231,232,233を有する。図5では、カメラヘッド14は、更に、各素子駆動部141i,141r,141b,141g,駆動信号発生部142、同期信号発生部143、及び信号出力部145を有する。
内視鏡10によれば、内視鏡10に4色分解プリズム20を用い、IR光に対し大きな透過率を有するIR分解プリズム220から出射されるIR光を、IR用のイメージセンサ230が受光する。そのため、内視鏡10は、IR光の受光量を増大できる。従って、IR成分の信号を過大に増幅させる必要が無くなり、IR成分を加味した内視鏡10による撮像画像の画質の低下を抑制できる。
以上のように、本開示における技術の例示として、第1の実施形態を説明した。しかし、本開示における技術は、これに限定されず、変更、置き換え、付加、省略などを行った実施形態にも適用できる。
本開示の実施形態の内視鏡10は、4色分解プリズム20と、4個のイメージセンサ230〜233と、アウトプットデバイスと、を備える。4色分解プリズム20は、対象物からの光を3原色光及び赤外光に分解する。イメージセンサ230〜233は、分解された3原色光及び赤外光の光学像をそれぞれ電気信号に変換する。アウトプットデバイスは、変換された電気信号を出力する。アプトプットデバイスは、例えば信号出力部145である。
10 内視鏡
11 スコープ
11z 撮像窓
12 マウントアダプタ
13 リレーレンズ
14 カメラヘッド
14z 信号ケーブル
18 光源コネクタ
19 操作スイッチ
20 4色分解プリズム
22 RGB信号処理部
23 IR信号処理部
23z ゲイン調整部
28 出力部
30 CCU
40 表示部
141i,141b,141r,141g 素子駆動部
142 駆動信号発生部
143 同期信号発生部
145 信号出力部
220 IR分解プリズム
221 青色分解プリズム
222 赤色分解プリズム
223 緑色分解プリズム
220a,221a,222a,223a 入射面
220b,221b,222b 反射面
220c,221c,222c,223c 出射面
230,231,232,233 イメージセンサ
240 IR反射膜
241 青色反射膜
242 赤色反射膜
250 電子基板
h1,h2,h3,h4,h11 波形
G1 RGB画像
G2 IR画像
GZ 合成画像
tg 患部
Claims (4)
- 患部からの光を青色成分、赤色成分、緑色成分にそれぞれ分解する青色分解プリズム、赤色分解プリズム及び緑色分解プリズムと、前記患部からの光をIR成分に分解するIR分解プリズムとを備えた4色分解プリズムと、
前記青色分解プリズムに設置され、分解された前記青色成分を電気信号に変換する青色イメージセンサと、
前記赤色分解プリズムに設置され、分解された前記赤色成分を電気信号に変換する赤色イメージセンサと、
前記緑色分解プリズムに設置され、分解された前記緑色成分を電気信号に変換する緑色イメージセンサと、
前記IR分解プリズムに設置され、分解されたIR成分を電気信号に変換するIRイメージセンサと、
変換された各電気信号からRGB信号とIR信号とを出力する信号出力部と、を備え、
前記IR分解プリズムは、前記青色分解プリズム、前記赤色分解プリズム及び前記緑色分解プリズムよりも前記患部からの光の入射に対して対物側に位置され、前記青色成分、前記赤色成分及び前記緑色成分の光を透過させる、内視鏡。 - 請求項1に記載の内視鏡と、
前記信号出力部から出力されたRGB信号及びIR信号を入力し、RGB画像及びIR画像を生成し、接続された表示部に同時に前記RGB画像及び前記IR画像を表示させるコントローラと、を備える、内視鏡システム。 - 請求項2に記載の内視鏡システムであって、
前記コントローラは、前記RGB画像と前記IR画像を前記表示部の別の領域に同時表示させる、内視鏡システム。 - 請求項2に記載の内視鏡システムであって、
前記コントローラは、前記RGB画像と前記IR画像を前記表示部の同じ領域に重畳して同時表示させる、内視鏡システム。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015060096A JP6025130B2 (ja) | 2015-03-23 | 2015-03-23 | 内視鏡及び内視鏡システム |
EP16152515.9A EP3072437B1 (en) | 2015-03-23 | 2016-01-25 | Endoscope and endoscopic system |
EP18199108.4A EP3459428B1 (en) | 2015-03-23 | 2016-01-25 | Endoscope and endoscopic system |
US15/010,307 US10038883B2 (en) | 2015-03-23 | 2016-01-29 | Endoscope and endoscopic system |
US16/020,617 US10182218B2 (en) | 2015-03-23 | 2018-06-27 | Endoscope and endoscopic system |
US16/206,489 US10412355B2 (en) | 2015-03-23 | 2018-11-30 | Endoscope and endoscopic system |
US16/446,363 US10609351B2 (en) | 2015-03-23 | 2019-06-19 | Endoscope and endoscopic system |
Applications Claiming Priority (1)
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---|---|---|---|
JP2015060096A JP6025130B2 (ja) | 2015-03-23 | 2015-03-23 | 内視鏡及び内視鏡システム |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016188772A Division JP6388237B2 (ja) | 2016-09-27 | 2016-09-27 | 4色プリズム |
Publications (2)
Publication Number | Publication Date |
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JP2016178995A JP2016178995A (ja) | 2016-10-13 |
JP6025130B2 true JP6025130B2 (ja) | 2016-11-16 |
Family
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JP2015060096A Active JP6025130B2 (ja) | 2015-03-23 | 2015-03-23 | 内視鏡及び内視鏡システム |
Country Status (3)
Country | Link |
---|---|
US (4) | US10038883B2 (ja) |
EP (2) | EP3459428B1 (ja) |
JP (1) | JP6025130B2 (ja) |
Cited By (1)
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US11006026B2 (en) | 2017-09-04 | 2021-05-11 | Ikegami Tsushinki Co., Ltd. | Image capturing apparatus |
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JP6025130B2 (ja) | 2015-03-23 | 2016-11-16 | パナソニックIpマネジメント株式会社 | 内視鏡及び内視鏡システム |
USD912248S1 (en) * | 2015-10-14 | 2021-03-02 | Shenzhen Yateks Optical Electronic Technology Co., Ltd. | Endoscope |
US10122975B2 (en) | 2016-05-19 | 2018-11-06 | Panasonic Intellectual Property Management Co., Ltd. | Endoscope and endoscope system |
JP7048628B2 (ja) | 2016-11-28 | 2022-04-05 | アダプティブエンドウ エルエルシー | 分離可能使い捨てシャフト付き内視鏡 |
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JP7028574B2 (ja) * | 2017-06-14 | 2022-03-02 | パナソニックi-PROセンシングソリューションズ株式会社 | 内視鏡及びカメラヘッド |
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JP7219002B2 (ja) * | 2017-09-11 | 2023-02-07 | i-PRO株式会社 | 内視鏡 |
JP6975451B2 (ja) * | 2017-11-01 | 2021-12-01 | 株式会社コシナ | 4板式プリズム装置 |
WO2020210717A1 (en) * | 2019-04-12 | 2020-10-15 | The Regents Of The University Of California | Thermal imaging endoscope |
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CN114189614B (zh) * | 2021-12-07 | 2023-04-28 | 浙江大学 | 一种可调焦多图像传感器多像距超景深成像系统 |
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DE102009024943A1 (de) * | 2009-06-10 | 2010-12-16 | W.O.M. World Of Medicine Ag | Bildgebungssystem und Verfahren zur fluoreszenz-optischen Visualisierung eines Objekts |
JP5567168B2 (ja) | 2013-03-06 | 2014-08-06 | 富士フイルム株式会社 | 画像処理装置および内視鏡システム |
EP2904961B1 (en) | 2013-04-19 | 2018-01-03 | Olympus Corporation | Endoscope device |
JP6025130B2 (ja) | 2015-03-23 | 2016-11-16 | パナソニックIpマネジメント株式会社 | 内視鏡及び内視鏡システム |
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Publication number | Priority date | Publication date | Assignee | Title |
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US11006026B2 (en) | 2017-09-04 | 2021-05-11 | Ikegami Tsushinki Co., Ltd. | Image capturing apparatus |
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US20160286187A1 (en) | 2016-09-29 |
US10038883B2 (en) | 2018-07-31 |
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US20190098272A1 (en) | 2019-03-28 |
EP3459428A1 (en) | 2019-03-27 |
US10609351B2 (en) | 2020-03-31 |
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US20190306479A1 (en) | 2019-10-03 |
EP3072437B1 (en) | 2019-01-23 |
US20180316899A1 (en) | 2018-11-01 |
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