WO2011099322A1 - 電子内視鏡システム - Google Patents
電子内視鏡システム Download PDFInfo
- Publication number
- WO2011099322A1 WO2011099322A1 PCT/JP2011/050617 JP2011050617W WO2011099322A1 WO 2011099322 A1 WO2011099322 A1 WO 2011099322A1 JP 2011050617 W JP2011050617 W JP 2011050617W WO 2011099322 A1 WO2011099322 A1 WO 2011099322A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical filter
- light
- image
- electronic endoscope
- transmission peak
- Prior art date
Links
- 0 CCCC1(C#C)S=CC2(CC(C)**)C1C2 Chemical compound CCCC1(C#C)S=CC2(CC(C)**)C1C2 0.000 description 1
Images
Classifications
-
- 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
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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
-
- 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
-
- 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
- A61B1/0655—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
- A61B1/0669—Endoscope light sources at proximal end of an endoscope
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Definitions
- the present invention relates to an electronic endoscope system for observing a color image of a subject, and more particularly to an electronic endoscope system suitable for allowing an operator to observe a specific anatomy.
- An electronic endoscope system is generally known as a system for diagnosing the inside of a patient's body cavity and is in practical use.
- the electronic endoscope system irradiates a subject through a narrowband filter that transmits light in a wavelength band with high absorption characteristics to a specific biological structure, and receives a scattered component to enhance the specific biological structure.
- the one with the function to generate is known.
- the observable wavelength range is fixed, a normal color image cannot be captured, and a spectral image and a normal color image can be compared and diagnosed. The problem of being unable to do so was pointed out.
- Patent Document 1 Japanese Patent Laid-Open No. 1-297042
- the electronic endoscope system described in Patent Document 1 controls the wavelength range of the irradiation light by switching the bandpass filter turret arranged on the irradiation light path, and thereby the spectral image and the normal color image. Are selectively generated. By capturing and comparing both of these images, it is easy to grasp the relationship between a specific anatomy and another anatomy, and the effect of increasing diagnostic accuracy is expected.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to improve the brightness of a spectroscopic image that emphasizes a specific anatomy and to relate the specific anatomy to another anatomy. It is an object to provide an electronic endoscope system suitable for allowing an operator to grasp the above.
- An electronic endoscope system that solves the above problem includes a light source that emits light including at least a visible light region, and at least one identification in a continuous wavelength region including at least the visible light region.
- An optical filter having a transmission peak at a wavelength and having a transmittance distribution higher than 0 and lower than a half value of the transmission peak over the entire range other than the transmission peak in the continuous wavelength range;
- Optical filter switching means for inserting or retracting an optical filter with respect to the optical path, a color solid-state imaging device for receiving reflected light from a subject irradiated with irradiation light through or not through the optical filter, and the solid-state imaging
- an image generation means for generating a color image that can be displayed on a monitor by processing an image pickup signal output from the element.
- a spectroscopic image with improved brightness is generated while simultaneously storing a specific anatomy and other anatomy on one screen and displayed on the display screen of the monitor. be able to.
- the specific wavelength for example, a wavelength suitable for absorption of hemoglobin is assumed.
- a wavelength suitable for absorption of hemoglobin is, for example, around 400 nm or around 550 nm.
- the electronic endoscope system may further include an operation unit that receives an input operation by a user.
- the optical filter switching means inserts the optical filter into the irradiation optical path or retracts from the irradiation optical path in accordance with the input operation received by the operation means.
- an electronic endoscope system suitable for improving the brightness of a spectroscopic image that emphasizes a specific anatomy and allowing an operator to grasp the relationship between the specific anatomy and another anatomy.
- FIG. 1 is an external view of an electronic endoscope system according to an embodiment of the present invention. It is a block diagram which shows the structure of the electronic endoscope system of embodiment of this invention. It is a figure which shows the spectral characteristic of the optical filter which the processor of embodiment of this invention has. It is a figure which shows each observation image when a to-be-photographed object is irradiated without passing through a subject via an optical filter. It is a figure which shows the spectral characteristic of the optical filter which the processor of another embodiment has. It is a figure which shows the spectral characteristic of the optical filter which the processor of another embodiment has. It is a figure which shows the spectral characteristic of the optical filter which the processor of another embodiment has. It is a figure which shows the spectral characteristic of the optical filter which the processor of another embodiment has.
- FIG. 1 is an external view of the electronic endoscope system 1 of the present embodiment.
- the electronic endoscope system 1 includes an electronic scope 100 for photographing a subject.
- the electronic scope 100 includes a flexible tube 11 covered with a flexible sheath (outer skin) 11a.
- a distal end portion 12 Connected to the distal end of the flexible tube 11 is a distal end portion 12 that is sheathed by a rigid resin casing.
- the bending portion 14 at the connecting portion between the flexible tube 11 and the distal end portion 12 is remotely operated from the hand operating portion 13 connected to the proximal end of the flexible tube 11 (specifically, the rotation of the bending operation knob 13a).
- the operation is flexible.
- This bending mechanism is a well-known mechanism incorporated in a general electronic scope, and is configured to bend the bending portion 14 by pulling the operation wire in conjunction with the rotation operation of the bending operation knob 13a.
- the imaging region by the electronic scope 100 moves.
- the electronic endoscope system 1 has a processor 200.
- the processor 200 is an apparatus that integrally includes a signal processing device that processes a signal from the electronic scope 100 and a light source device that irradiates a body cavity that does not reach natural light through the electronic scope 100.
- the signal processing device and the light source device may be configured separately.
- the processor 200 is provided with a connector portion 20 corresponding to the connector portion 10 provided at the base end of the electronic scope 100.
- the connector unit 20 has a coupling structure corresponding to the connector unit 10 and is configured to electrically and optically connect the electronic scope 100 and the processor 200.
- FIG. 2 is a block diagram showing the configuration of the electronic endoscope system 1.
- the electronic endoscope system 1 includes a monitor 300 connected to the processor 200 via a predetermined cable.
- the monitor 300 is not shown in order to simplify the drawing.
- the processor 200 includes a system controller 202 and a timing controller 204.
- the system controller 202 controls each element constituting the electronic endoscope system 1.
- the timing controller 204 outputs a clock pulse for adjusting the signal processing timing to various circuits in the electronic endoscope system 1.
- the lamp 208 emits light (or light including at least the visible light region) having a spectrum mainly extending from the visible light region to the invisible infrared light region after being started by the lamp power igniter 206.
- a high-intensity lamp such as a xenon lamp, a halogen lamp, or a metal halide lamp is suitable for the lamp 208.
- Irradiation light emitted from the lamp 208 is limited by the condenser lens 210 to an appropriate amount of light through the diaphragm 212 while being condensed.
- the motor 214 is mechanically connected to the diaphragm 212 via a transmission mechanism such as an arm or gear not shown.
- the motor 214 is a DC motor, for example, and is driven under the drive control of the driver 216.
- the diaphragm 212 is operated by the motor 214 to change the opening degree so that the image displayed on the monitor 300 has an appropriate brightness, and limits the amount of light emitted from the lamp 208 according to the opening degree. .
- the appropriate reference for the brightness of the image is changed according to the brightness adjustment operation of the front panel 218 by the operator.
- the dimming circuit that controls the brightness by controlling the driver 216 is a well-known circuit and is omitted in this specification.
- Various configurations are assumed for the configuration of the front panel 218.
- a hardware key for each function mounted on the front surface of the processor 200, a touch panel GUI (Graphical User Interface), a combination of a hardware key and a GUI, and the like are assumed. .
- the irradiation light that has passed through the diaphragm 212 is split by the optical filter 213 and is incident on an incident end of an LCB (Light Carrying Bundle) 102.
- a motor 215 driven under the drive control of the driver 216 is mechanically coupled to the optical filter 213 via a transmission mechanism such as an arm or a gear (not shown).
- the motor 215 inserts the optical filter 213 into the optical path or retracts it from the optical path in accordance with the switching operation of the front panel 218 by the operator.
- the irradiation light that has passed through the stop 212 is directly incident on the incident end of the LCB 102.
- a galvano motor or a servo motor is assumed as the motor 215.
- the irradiation light incident on the incident end of the LCB 102 propagates by repeating total reflection in the LCB 102.
- Irradiation light propagating through the LCB 102 is emitted from the emission end of the LCB 102 disposed at the tip of the electronic scope 100.
- Irradiation light emitted from the exit end of the LCB 102 irradiates the subject via the light distribution lens 104.
- the reflected light from the subject forms an optical image at each pixel on the light receiving surface of the solid-state image sensor 108 via the objective lens 106.
- the solid-state image sensor 108 is, for example, a single-plate color CCD (Charge-Coupled Device) image sensor, which accumulates an optical image formed by each pixel on the light-receiving surface as a charge corresponding to the amount of light, so It converts into the imaging signal according to each color.
- the converted imaging signal is output to the signal processing circuit 220 via the driver signal processing circuit 112 after signal amplification by the preamplifier.
- the solid-state image sensor 108 may be a CMOS (Complementary Metal Metal Oxide Semiconductor) image sensor.
- the driver signal processing circuit 112 accesses the memory 114 and reads the unique information of the electronic scope 100.
- the unique information of the electronic scope 100 includes, for example, the number of pixels and sensitivity of the solid-state image sensor 108, a compatible rate, a model number, and the like.
- the driver signal processing circuit 112 outputs the unique information read from the memory 114 to the system controller 202.
- the system controller 202 performs various calculations based on the unique information of the electronic scope 100 and generates a control signal.
- the system controller 202 uses the generated control signal to control the operation and timing of various circuits in the processor 200 so that processing suitable for the electronic scope connected to the processor 200 is performed.
- the system controller 202 may be configured to have a table in which a model number of the electronic scope is associated with control information suitable for the electronic scope of this model number. In this case, the system controller 202 refers to the control information in the correspondence table, and controls the operation and timing of various circuits in the processor 200 so that processing suitable for the electronic scope connected to the processor 200 is performed.
- the timing controller 204 supplies clock pulses to the driver signal processing circuit 112 according to the timing control by the system controller 202.
- the driver signal processing circuit 112 drives and controls the solid-state imaging device 108 at a timing synchronized with the frame rate of the video processed on the processor 200 side, according to the clock pulse supplied from the timing controller 204.
- the image processing signal from the driver signal processing circuit 112 is input to the signal processing circuit 220.
- the image pickup signal is subjected to processing such as clamping, knee, ⁇ correction, interpolation processing, AGC (Auto Gain Control), AD conversion, and the like, and is stored in a frame memory (not shown) for each color of R, G, and B for each color signal. Buffered.
- Each buffered color signal is swept from the frame memory at a timing controlled by the timing controller 204, and converted into a video signal that conforms to a predetermined standard such as NTSC (National Television System) Committee or PAL (Phase Alternate Line). Converted.
- NTSC National Television System
- PAL Phase Alternate Line
- a spectroscopic image that emphasizes a specific anatomy is displayed, and the optical filter 213 is retracted from the optical path to irradiate the subject.
- a normal color image is displayed.
- FIG. 3 is a diagram showing the spectral characteristics of the optical filter 213.
- the vertical axis in FIG. 3 indicates normalized transmittance, and the horizontal axis indicates wavelength (unit: nm).
- the spectral characteristics of the optical filter 213 have transmission peaks in the vicinity of 400 nm, 550 nm, and 650 nm, and at least over the range from the visible light region to the infrared light region (eg, 380 nm to 1000 nm). And has a transmissivity above a certain level.
- the transmittance above a certain level from the visible light region to the infrared light region is higher than 0 and lower than the half value of each transmission peak.
- the transmittance of light other than light of a specific wavelength for emphasizing a specific biological structure is intentionally made higher than 0, thereby suppressing the amount of light cut by the optical filter 213 and increasing the brightness of the spectral image.
- the image of other anatomy other than the specific anatomy is simultaneously captured.
- the fall of the detection sensitivity with respect to a specific biological structure is also suppressed effectively by setting this transmittance
- FIG. 4A shows an observation image when the subject is irradiated without passing through the optical filter 213, and FIG. 4B shows an observation image when the subject is irradiated through the optical filter 213.
- FIG. 4A and FIG. 4B is an image of the same subject (in the oral cavity).
- the optical filter 213 is not passed, the mucous membrane structure in the oral cavity is observed as a bright image as shown in FIG. Since a specific anatomy is not emphasized, the image is entirely fit.
- the optical filter 213 is used, as shown in FIG. 4 (b), while the specific anatomy is emphasized, the mucous membrane structure in the oral cavity is a single screen and a bright image with the specific anatomy. Observed.
- the vicinity of 400 nm or 550 nm corresponding to the transmission peak is a band that is easily absorbed by hemoglobin. Therefore, the specific anatomy observed here is a blood vessel in the oral cavity.
- the optical filter 213 since the irradiation light is not a narrow band light but a light having a wide wavelength range, various biological structures corresponding to the depth of the wavelength are observed.
- the spectral characteristics of the optical filter 213 are not limited to those shown in FIG. 3, and are set as appropriate according to the anatomy of the observation target. Examples of such spectral characteristics include those shown in FIGS. In all of FIGS. 5 to 7, the vertical axis indicates the transmittance, and the horizontal axis indicates the wavelength. In any spectral characteristic example, there is at least one transmission peak in a predetermined wavelength range, and the transmittance higher than 0 and lower than the half value of the transmission peak is distributed over a wide area (at least in the visible light region). .
- the spectral characteristics of FIG. 5 have transmission peaks in a wavelength range suitable for hemoglobin absorption (380 to 420 nm) and in a wavelength range suitable for large intestine tissue absorption (470 to 490 nm). Therefore, it is suitable for observing the mucosa structure of the large intestine and the blood vessel structure in the vicinity of the surface layer with bright images.
- the spectral characteristics shown in FIG. 6 have transmission peaks in wavelength ranges (380 to 420 nm and 550 to 560 nm) suitable for absorption of hemoglobin. Therefore, it is suitable for observing a blood vessel structure in the vicinity of the surface layer and in the deep layer together with the mucous membrane structure of a living body with a bright image.
- the spectral characteristic of FIG. 7 has a transmission peak in a wavelength range (550 to 560 nm) suitable for absorption of hemoglobin. Therefore, it is suitable for observing a deep blood vessel structure together with a mucous membrane structure of a living body with a bright image.
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Abstract
Description
Claims (2)
- 少なくとも可視光領域を含む光を放射する光源と、
少なくとも可視光領域を含む連続的な波長域中の少なくとも1つの特定波長に透過ピークを持つと共に、該連続的な波長域中の該透過ピーク以外の全域に亘って0よりも高くかつ該透過ピークの半値よりも低い透過率分布を持つ光学フィルタと、
前記光源の照射光路に対して前記光学フィルタを挿入し又は退避させる光学フィルタ切替手段と、
前記光学フィルタを介した又は介さない照射光によって照射された被写体からの反射光を受光するカラーの固体撮像素子と、
前記固体撮像素子が出力する撮像信号を処理してモニタ表示可能なカラー画像を生成する画像生成手段と、
を有することを特徴とする電子内視鏡システム。 - ユーザによる入力操作を受け付ける操作手段を更に有し、
前記光学フィルタ切替手段は、前記操作手段が受け付けた入力操作に従って前記光学フィルタを前記照射光路に挿入し、又は該照射光路から退避させることを特徴とする、請求項1に記載の電子内視鏡システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011553776A JPWO2011099322A1 (ja) | 2010-02-10 | 2011-01-17 | 電子内視鏡システム |
DE112011100495T DE112011100495T5 (de) | 2010-02-10 | 2011-01-17 | Elektronisches Endoskopsystem |
CN201180008667.0A CN102753083B (zh) | 2010-02-10 | 2011-01-17 | 电子内窥镜*** |
US13/716,338 US9420153B2 (en) | 2010-02-10 | 2012-12-17 | Electronic endoscope system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010027269 | 2010-02-10 | ||
JP2010-027269 | 2010-02-10 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US13577742 A-371-Of-International | 2011-01-17 | ||
US13/716,338 Continuation US9420153B2 (en) | 2010-02-10 | 2012-12-17 | Electronic endoscope system |
Publications (1)
Publication Number | Publication Date |
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WO2011099322A1 true WO2011099322A1 (ja) | 2011-08-18 |
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ID=44367608
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2011/050617 WO2011099322A1 (ja) | 2010-02-10 | 2011-01-17 | 電子内視鏡システム |
Country Status (4)
Country | Link |
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JP (1) | JPWO2011099322A1 (ja) |
CN (3) | CN102753083B (ja) |
DE (1) | DE112011100495T5 (ja) |
WO (1) | WO2011099322A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014036759A (ja) * | 2012-08-17 | 2014-02-27 | Hoya Corp | 電子内視鏡システムおよび内視鏡用光源装置 |
WO2016072172A1 (ja) * | 2014-11-05 | 2016-05-12 | オリンパス株式会社 | 内視鏡システム |
JP2016209622A (ja) * | 2016-07-22 | 2016-12-15 | Hoya株式会社 | 電子内視鏡システムおよび内視鏡用光源装置 |
JP2017225806A (ja) * | 2016-06-17 | 2017-12-28 | 富士フイルム株式会社 | 光源装置及び内視鏡システム |
US10031070B2 (en) | 2014-11-21 | 2018-07-24 | Hoya Corporation | Analyzing device and analyzing method based on images of biological tissue captured under illumination of light with different illumination wavelength ranges |
US10426325B2 (en) | 2014-09-03 | 2019-10-01 | Hoya Corporation | Image capturing system and electronic endoscope system |
JP2020018914A (ja) * | 2013-08-27 | 2020-02-06 | 富士フイルム株式会社 | 内視鏡システム |
US10722155B2 (en) | 2013-05-30 | 2020-07-28 | Hoya Corporation | Method and device for generating image showing concentration distribution of biological substances in biological tissue |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014128394A (ja) | 2012-12-28 | 2014-07-10 | Hoya Corp | 内視鏡装置 |
US11559194B2 (en) * | 2017-08-28 | 2023-01-24 | Hoya Corporation | Endoscope light source device and endoscope system |
CN108124087B (zh) * | 2017-12-21 | 2022-01-28 | 上海瑞烁信息科技有限公司 | 一种超细软性电子内窥镜图像处理方法 |
WO2020047860A1 (en) * | 2018-09-07 | 2020-03-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device and image processing method |
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2011
- 2011-01-17 WO PCT/JP2011/050617 patent/WO2011099322A1/ja active Application Filing
- 2011-01-17 CN CN201180008667.0A patent/CN102753083B/zh active Active
- 2011-01-17 DE DE112011100495T patent/DE112011100495T5/de not_active Ceased
- 2011-01-17 CN CN201610772665.3A patent/CN106377223B/zh active Active
- 2011-01-17 CN CN201610773274.3A patent/CN106388759B/zh active Active
- 2011-01-17 JP JP2011553776A patent/JPWO2011099322A1/ja active Pending
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US9370297B2 (en) | 2012-08-17 | 2016-06-21 | Hoya Corporation | Electronic endoscope system and light source for endoscope |
US9591966B2 (en) | 2012-08-17 | 2017-03-14 | Hoya Corporation | Electronic endoscope system and light source for endoscope |
US9826893B2 (en) | 2012-08-17 | 2017-11-28 | Hoya Corporation | Electronic endoscope system and light source for endoscope |
JP2014036759A (ja) * | 2012-08-17 | 2014-02-27 | Hoya Corp | 電子内視鏡システムおよび内視鏡用光源装置 |
US10722155B2 (en) | 2013-05-30 | 2020-07-28 | Hoya Corporation | Method and device for generating image showing concentration distribution of biological substances in biological tissue |
JP2020018914A (ja) * | 2013-08-27 | 2020-02-06 | 富士フイルム株式会社 | 内視鏡システム |
US11224335B2 (en) | 2014-09-03 | 2022-01-18 | Hoya Corporation | Image capturing system and electronic endoscope system |
US10426325B2 (en) | 2014-09-03 | 2019-10-01 | Hoya Corporation | Image capturing system and electronic endoscope system |
WO2016072172A1 (ja) * | 2014-11-05 | 2016-05-12 | オリンパス株式会社 | 内視鏡システム |
US10031070B2 (en) | 2014-11-21 | 2018-07-24 | Hoya Corporation | Analyzing device and analyzing method based on images of biological tissue captured under illumination of light with different illumination wavelength ranges |
JP2017225806A (ja) * | 2016-06-17 | 2017-12-28 | 富士フイルム株式会社 | 光源装置及び内視鏡システム |
JP2020039935A (ja) * | 2016-06-17 | 2020-03-19 | 富士フイルム株式会社 | 光源装置及び内視鏡システム |
JP2016209622A (ja) * | 2016-07-22 | 2016-12-15 | Hoya株式会社 | 電子内視鏡システムおよび内視鏡用光源装置 |
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CN106377223B (zh) | 2019-01-04 |
CN106377223A (zh) | 2017-02-08 |
CN106388759A (zh) | 2017-02-15 |
JPWO2011099322A1 (ja) | 2013-06-13 |
DE112011100495T5 (de) | 2013-01-03 |
CN106388759B (zh) | 2020-09-04 |
CN102753083B (zh) | 2016-09-14 |
CN102753083A (zh) | 2012-10-24 |
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