JP5815531B2 - 内視鏡および表面のトポグラフィの測定方法 - Google Patents
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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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- A61B1/0623—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 off-axis illumination
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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
- A61B1/227—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 ears, i.e. otoscopes
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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
- A61B1/04—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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Description
また、この課題は、本発明によれば、本発明による内視鏡によって表面のトポグラフィを測定する方法において、投影光線が投影ユニットから放射され、前記投影光線は内視鏡壁部から半径方向側方に出射し、前記投影光線は測定されるべき表面により反射され、内視鏡軸に関して前記投影ユニットの前方に配置された前記内視鏡の撮像ユニットにより撮像媒体で平面状に撮像されることによっても解決される(請求項19)。
内視鏡に関する実施形態は次の通りである。
・前記トポグラフィの測定は能動的な三角測量によって行われる(請求項2)。
・前記投影光線は内視鏡壁部から側方に出射する(請求項3)。
・前記投影ユニットへの光供給は光導波路を介して行われる。すなわち、前記投影ユニットの光供給部は光導波路である(請求項4)。
・光供給部と前記投影ユニットの投影光学系との間にはカラーコーディングを備える投影構造が設けられている(請求項5)。
・前記投影構造は半径方向対称の構造を有している(請求項6)。
・前記投影構造は複数の同心的なカラーリングからなるスライドとして構成されている(請求項7)。
・前記スライドは複数の同心的なカラーリングを含むカラーコーディングを備えている(請求項8)。
・前記投影構造は前記光導波路のすぐ前方に配置され、前記投影光線は前記投影構造と前記投影光学系との間をテレセントリックに進む(請求項9)。
・前記投影光学系は瞳孔部を含み、該瞳孔部の領域に前記カラーリングを通過した光線束が集まる(請求項10)。
・前記撮像ユニットはデジタルカメラのセンサチップからなる撮像媒体を有している(請求項11)。
・前記撮像ユニットの撮像光学系は投影領域の大きさに合わせられた視野を捕捉する(請求項12)。
・前記撮像光学系は湾曲ミラーと平坦ミラーとを含み、前記湾曲ミラーは前記平坦ミラーの方向に凸面状に湾曲し、前記平坦ミラーに向けて撮像光線を方向転換させ、さらに前記平坦ミラーは前記湾曲ミラーの中央の開口部に撮像光線を方向転換させる(請求項13)。
・前記撮像媒体は前記内視鏡の視線方向に関して前記湾曲ミラーの後方に配置されている(請求項14)。
・前記視線方向に関して前記湾曲ミラーの後方に、前記撮像媒体に向けて撮像光線をさらに方向転換させるプリズムが設けられ、前記撮像媒体の面法線は内視鏡軸に平行ではなく延びている(請求項15)。
・前記平坦ミラーは前記内視鏡の視線方向とは反対向きに進む光線を通過させる開口部を有している(請求項16)。
・前記光線は前記湾曲ミラーの開口部を同じく通過して、前記撮像媒体の中心付近の領域に当たる(請求項17)。
・前記内視鏡の視線方向に関して前記撮像媒体は前記撮像光学系の前方に配置されている(請求項18)。
4 表面
6 投影ユニット
8 撮像ユニット
10 内視鏡軸
12 投影光線
14 内視鏡壁部
16 光導波路
18 投影光学系
20 投影構造
Claims (14)
- 投影光線(12)を測定されるべき表面(4)に投影する投影ユニット(6)と前記表面(4)で反射された前記投影光線(12)(以下、「撮像光線(42)」という。)を撮像する撮像ユニット(8)とを備え、前記表面(4)のトポグラフィを測定するための内視鏡において、前記投影ユニット(6)と前記撮像ユニット(8)とは内視鏡軸(10)に関して相前後して配置され、前記撮像ユニット(8)は前記内視鏡軸(10)上に前記内視鏡の視線方向(11)において前記投影ユニット(6)の前方に配置され、前記投影ユニット(6)の投影光線(12)は前記撮像ユニット(8)に妨げられることなく前記表面に当たるように進み、
前記投影ユニット(6)の光供給部は光導波路(16)であり、
前記光供給部と前記投影ユニット(6)の投影光学系(18)との間にはカラーコーディングを備える投影構造(20)が設けられており、
前記投影構造(20)は複数の同心的なカラーリング(24)からなるスライド(22)として構成されており、
前記投影構造(20)は前記光導波路(16)のすぐ前方に配置され、前記投影光線(12)は前記投影構造と前記投影光学系(18)との間をテレセントリックに進み、
前記投影光学系(18)は瞳孔部(26)を含み、該瞳孔部の領域に前記カラーリング(24)を通過した光線束のそれぞれの主光線が点状に集まる内視鏡。 - 前記トポグラフィの測定は能動的な三角測量によって行われる請求項1に記載の内視鏡。
- 前記投影光線(12)は内視鏡壁部(14)から側方に出射する請求項1または2記載の内視鏡。
- 前記投影構造(20)は半径方向対称の構造を有している請求項1から3のいずれか1項に記載の内視鏡。
- 前記スライド(22)は複数の同心的なカラーリング(24)を含むカラーコーディングを備えている請求項1から4のいずれか1項に記載の内視鏡。
- 前記撮像ユニット(8)はデジタルカメラのセンサチップ(30)からなる撮像媒体(28)を有している請求項1から5のいずれか1項に記載の内視鏡。
- 前記撮像ユニット(8)の撮像光学系(32)は投影領域の大きさに合わせられた視野(34)を捕捉する請求項1から6のいずれか1項に記載の内視鏡。
- 前記撮像光学系(32)は湾曲ミラー(38)と平坦ミラー(40)とを含み、前記湾曲ミラー(38)は前記平坦ミラー(40)の方向に凸面状に湾曲し、前記平坦ミラーに向けて撮像光線(42)を方向転換させ、さらに前記平坦ミラー(40)は前記湾曲ミラー(38)の中央の開口部(44)に撮像光線(42)を方向転換させる請求項7に記載の内視鏡。
- 前記撮像媒体(28)は前記内視鏡(2)の視線方向(11)に関して前記湾曲ミラー(38)の後方に配置されている請求項8に記載の内視鏡。
- 前記視線方向(11)に関して前記湾曲ミラー(38)の後方に、前記撮像媒体(28)に向けて撮像光線(42)をさらに方向転換させるプリズム(46)が設けられ、前記撮像媒体(28)の面法線は内視鏡軸(10)に平行ではなく延びている請求項8または9に記載の内視鏡。
- 前記平坦ミラー(40)は前記内視鏡(2)の視線方向(11)とは反対向きに進む光線(50)を通過させる開口部(48)を有している請求項8から10のいずれか1項に記載の内視鏡。
- 前記光線(50)は前記湾曲ミラー(38)の開口部(44)を同じく通過して、前記撮像媒体(28)の中心付近の領域(52)に当たる請求項11に記載の内視鏡。
- 前記内視鏡(2)の視線方向(11)に関して前記撮像媒体(28)は前記撮像光学系(32)の前方に配置されている請求項1から7のいずれか1項に記載の内視鏡。
- 請求項1から13のいずれか1項に記載の内視鏡によって表面のトポグラフィを測定する方法において、投影光線が投影ユニットから放射され、前記投影光線は内視鏡壁部から半径方向側方に出射し、前記投影光線は測定されるべき表面により反射され、内視鏡軸に関して前記投影ユニットの前方に配置された前記内視鏡の撮像ユニットにより撮像媒体で平面状に撮像される、表面のトポグラフィの測定方法。
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Application Number | Priority Date | Filing Date | Title |
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DE102009043523A DE102009043523A1 (de) | 2009-09-30 | 2009-09-30 | Endoskop |
DE102009043523.9 | 2009-09-30 | ||
PCT/EP2010/064428 WO2011039235A1 (de) | 2009-09-30 | 2010-09-29 | Endoskop |
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JP2013506861A5 JP2013506861A5 (ja) | 2013-10-24 |
JP5815531B2 true JP5815531B2 (ja) | 2015-11-17 |
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EP (1) | EP2482707A1 (ja) |
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DE102009043538A1 (de) | 2009-09-30 | 2011-03-31 | Siemens Aktiengesellschaft | Messendoskop |
DE102010025752A1 (de) | 2010-06-30 | 2012-01-05 | Siemens Aktiengesellschaft | Endoskop |
DE102013206911A1 (de) * | 2013-04-17 | 2014-10-23 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur stereoskopischen Darstellung von Bilddaten |
US10219724B2 (en) | 2013-05-02 | 2019-03-05 | VS Medtech, Inc. | Systems and methods for measuring and characterizing interior surfaces of luminal structures |
US9654741B2 (en) * | 2013-07-09 | 2017-05-16 | Siemens Energy, Inc. | System and method for optical fiber based image acquisition suitable for use in turbine engines |
DE102014204244A1 (de) * | 2014-03-07 | 2015-09-10 | Siemens Aktiengesellschaft | Endoskop mit Tiefenbestimmung |
EP3125809B1 (en) | 2014-03-28 | 2020-09-09 | Intuitive Surgical Operations, Inc. | Surgical system with haptic feedback based upon quantitative three-dimensional imaging |
CN111184577A (zh) | 2014-03-28 | 2020-05-22 | 直观外科手术操作公司 | 器械在视野中的定量三维可视化 |
WO2015151098A2 (en) | 2014-04-02 | 2015-10-08 | M.S.T. Medical Surgery Technologies Ltd. | An articulated structured light based-laparoscope |
DE102015209455A1 (de) | 2015-05-22 | 2016-11-24 | Sac Sirius Advanced Cybernetics Gmbh | Vorrichtung und Verfahren zur optischen Erfassung von Innenwandungen |
US10368731B2 (en) | 2015-06-19 | 2019-08-06 | Koninklijke Philips N.V. | Radial imaging system and method |
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DE102017004475A1 (de) * | 2017-05-10 | 2018-11-15 | Albrecht Noll | Messgerät zur Messung von Oberflächenprofilen in Hohlräumen |
EP3510925A1 (en) | 2018-01-10 | 2019-07-17 | Universite Libre De Bruxelles | Endoscopic non-contact measurement device |
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DE1766904B1 (de) * | 1967-08-08 | 1971-05-19 | Olympus Optical Co | Endoskop mit einer Einrichtung zur Ermittlung des Objektabstandes |
JPS5878115A (ja) * | 1981-11-04 | 1983-05-11 | Nippon Kogaku Kk <Nikon> | テレセントリツク照明用補助コンデンサ−レンズ |
JPS60104915A (ja) * | 1983-11-11 | 1985-06-10 | Fuji Photo Optical Co Ltd | 内視鏡 |
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2009
- 2009-09-30 DE DE102009043523A patent/DE102009043523A1/de not_active Withdrawn
-
2010
- 2010-09-29 EP EP10760334A patent/EP2482707A1/de not_active Withdrawn
- 2010-09-29 WO PCT/EP2010/064428 patent/WO2011039235A1/de active Application Filing
- 2010-09-29 US US13/498,984 patent/US20120190923A1/en not_active Abandoned
- 2010-09-29 JP JP2012531398A patent/JP5815531B2/ja not_active Expired - Fee Related
Also Published As
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EP2482707A1 (de) | 2012-08-08 |
DE102009043523A1 (de) | 2011-04-07 |
JP2013506861A (ja) | 2013-02-28 |
WO2011039235A1 (de) | 2011-04-07 |
US20120190923A1 (en) | 2012-07-26 |
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