Olympus Corporation

Olympus Medical Systems Corporation

Tetsuo Minai

Hatsuo Shimizu

Kazuaki Tamura

Takeshi Mori

Akio Uchiyama

Takemitsu Honda

Tatsuya Orihara

Kazutaka Nakatsuchi

Shinsuke Tanaka

Jin Ohara

Tsutomu Nakamura

Noriyuki Fujimori

Katsuya Suzuki

Seiichiro Kimoto

Toshiaki Shigemori

Katsuyoshi Sasagawa

Ayako Nagase

Masayuki Hashimoto

Hiroshi Suzushima

Atsushi Kimura

Hironobu Takizawa

Takeshi Suga

Takeshi Nishiyama

Atsushi Chiba

Ryoji Sato

Norio Nishimura

Yutaka Koshikawa

Takemitsu c/o Olympus Med Syst Corp Honda

An estimation device includes a processor configured to: detect an error of data obtained by receiving a wireless signal from a medical device; correct the detected error; determine whether or not there is a noise due to an external generation source at a time of acquiring the wireless signal from the medical device, based on detection information relevant to the detected error or correction information relevant to the corrected error; and estimate a cause of the noise, based on the detection information or the correction information. The detection information is at least one of the number of detections of the error, continuousness of the error, and periodicity of the error, and the correction information is at least one of the number of corrections of the error, continuousness of data in which the error is corrected, and periodicity of data in which the error is corrected.

Estimation device, medical system, and estimation method

A processing apparatus processes an image signal generated by pixels that have received light from an object irradiated with first wavelength light. The processing apparatus includes a processor having hardware. The processor is configured to: extract first and second image signals from the image signal of one frame generated by the pixels, the first image signal being generated by a pixel that has received the first wavelength light, the second image signal being generated by a pixel that has received second wavelength light that is fluorescence emitted in response to the first wavelength light; estimate an image signal to be generated by the pixel that has received the second wavelength light, based on the first image signal; and calculate a difference, on a corresponding image signal portion, between the second image signal and the estimated image signal, thereby to obtain a differential image signal.

Processing apparatus, endoscope system, endoscope apparatus, method for operating image processing apparatus, and computer-readable recording medium

A body-introducable apparatus includes: a light source unit having a first light source that outputs first light and a second light source that outputs second light in a wavelength band different from that of the first light; a light distribution matching unit that matches distributions of the first light and the second light; an illuminating control unit that illuminates the inside of the subject by driving the light source unit; and an imaging unit that captures an image of the inside of the subject.

Body-introducable apparatus and medical system

An image generating device includes a first image-information generating unit that generates first image information based on a plurality of pieces of acquired color element information, a color-component detecting unit that detects a predetermined color component based on each piece of color element information, a color-component eliminating unit that eliminates the predetermined color component detected by the color-component detecting unit from a predetermined piece of color element information among the plurality of pieces of color element information, and a second image-information generating unit that generates second color information based on a piece of color element information obtained by eliminating the predetermined color component by the color-component eliminating unit and another piece of color element information.

Imaging device, endoscope system and imaging method using yellow-eliminated green data

A body-insertable apparatus includes a light-receiving unit that includes light-receiving elements each having a receiving wavelength spectrum; light-emitting units including a near ultraviolet light source and including a yellow light source; a selection unit that can select, from among the light-emitting units, light-emitting units corresponding respectively to the near ultraviolet and the yellow light sources; an image creating unit creating a normal-light image or creating a special-light image; a transmitting unit transmitting the normal-light image or the created special-light image; and a control unit controlling driving of the light-receiving elements in accordance with selection performed by the selection unit.

In-vivo imaging system and body-insertable apparatus

An image processing device for processing image information including light reception value information obtained by imaging an inside of a living body includes: a distance information obtainment unit that obtains, at a bright region in the image information, information on a distance to a surface of the living body on the basis of the light reception value information on light in a first wavelength range, and obtains, at a dark region in the image information, information on a distance to the surface of the living body on the basis of the light reception value information on light in a second wavelength range which is a longer wavelength range than the first wavelength range.

Image processing device, image processing method, machine readable recording medium, endoscope system

An average color bar indicating the overall imaging period of images taken in time sequence by a capsule endoscope is displayed. A list of checked images in the entire taken images is displayed in a checked-image display field, computation is made to what time during an observation period each checked image corresponds is computed, and a mark is displayed with a scale of the average color bar by a number corresponding to each checked image on the average color bar.

Image display apparatus, image display method, and computer program

The present invention provides a capsule type medical apparatus that can receive, in a subject, an external signal transmitted from an outside of the subject and transmitted via a conductor existing in the subject, including: a cover member that is formed of a dielectric and covers components of the capsule type medical apparatus; a plurality of electrodes that are formed of conductors, are provided in tight contact with an inner wall side of the cover member, and receive the external signal; an inductor circuit that is connected in series to each of the plurality of electrodes, and has an inductance value set to configure a resonant circuit having a frequency substantially equal to a carrier frequency of the external signal as a resonant frequency; and a signal receiving circuit to which the external signal received by the plurality of electrodes and a potential difference of the external signal are inputted.

Capsule type medical apparatus and capsule type medical system

The capsule medical apparatus of the present invention is disposed in a test subject and acquires information on the inside of the test subject. The capsule medical apparatus comprises a plurality of communication electrodes that are disposed on the surface of the capsule medical apparatus and capable of communication for outputting the information acquired by the capsule medical apparatus to the outside of the test subject, a judgment section that judges whether or not the plurality of communication electrodes can perform the communication based on the state of the plurality of communication electrodes, and a control section that suspends, based on the judgment result obtained in the judgment section, the operations of at least part of various sections of the capsule medical apparatus when the plurality of communication electrodes cannot perform the communication.

Capsule medical apparatus

A capsule endoscope device includes an illumination unit that illuminates a living tissue using at least one of a white light illumination unit and a special light illumination unit; an imaging unit that captures an image of the tissue; a transmission unit that transmits imaging information containing the image; a storage unit that stores a threshold with respect to information on a distance between the endoscope and the tissue; a detection unit that detects the information; and an output unit that compares the information with the threshold, selects an image capturing condition of a special light observation mode if the distance is not larger than the threshold, selects an image capturing condition of a normal light observation mode if the distance is larger than the threshold, and outputs the selected image capturing condition to an operation unit related to image capturing.

Capsule endoscope device

A capsule type endoscope which is introduced into a subject to acquire subject internal information and transmits the acquired subject internal information to the outside through the subject has a plurality of electrodes arranged on an outer peripheral surface thereof. An electrode selecting section selects two electrodes with a small transmission power loss from the plurality of electrodes as transmitting electrodes that are utilized to transmit the subject internal information. A transmitting section uses the two transmitting electrodes selected by the electrode selecting section to transmit the subject internal information to the outside of the subject.

Capsule type endoscope for sending data in human body communication system

An image display apparatus according to the present invention includes: a storage unit which stores an image group including a same number of first and second images which have a coincident positional relationship with respect to a subject and are respectively obtained through different image processes; a display unit which displays at least the first image in a display area; an input unit which indicates a display switching area of the first image displayed in the display area; and a display controller which controls the display unit to keep displaying the first image in an image part outside the display switching area and to switch an image part inside the display switching area of the first image to an image part, having a coincident positional relationship with the image part inside the display switching area of the first image with respect to the subject, of the second image.

Image display apparatus, endoscope system using the same, and image display method

A position detecting apparatus having a magnetic field generator that generates a position detecting magnetic field having variable strength, a position calculator that acquires magnetic information relating to the position detecting magnetic field at a position where a detected object is present, and calculates a position of the detected object based on the magnetic information, a range calculator that calculates a possible existence range in which the detected object can be present at a second time instant when a predetermined time has passed since a first time instant, based on the position of the detected object at the first time instant calculated by the position calculator, and a magnetic-field strength controller that controls a strength of the position detecting magnetic field so that the position detecting magnetic field having a strength detectable by the detected object-is generated within the possible existence range.

Prospective position detecting magnetic field control based on a possible existence range of an object

A capsule medical system is provided with a capsule medical device to be inserted into a subject, at least one electrode pad having a plurality of receiving electrodes, a receiving electrode switching unit, a control unit for controlling operations of the receiving electrode switching unit, and a position detector. The capsule medical device has a biological information acquiring unit for acquiring biological information of the subject, and a transmitting unit for outputting the biological information from a transmitting electrode through a living body. At least one electrode pad detects the biological information by a plurality of receiving electrodes. The receiving electrode switching unit switches a pair of receiving electrodes among the plurality of receiving electrodes. The position detector detects a position of the capsule medical device inside the subject based on the biological information detected by the electrode pad, and position coordinate data of the plurality of receiving electrodes.

Capsule medical system and biological information acquiring method

An imaging processor includes an amplifier that increases luminance indicated by green and blue image data on the basis of luminance indicated by red image data out of a plurality of pieces of image data in respective wavelength components, which are pieces of image data representing the same area.

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Hachioji, Japan

Tetsuo Minai