Hitachi, Ltd.

Hitachi Medical Corporation

Hitachi-high-technologies Corporation

Hitachi High-tech Corporation

Masashi Kiguchi

Atsushi Maki

Hiroki Sato

Hirokazu Atsumori

Tsukasa Funane

Tsuyoshi Yamamoto

Takusige Katura

Nobuhiro Fukuda

Michiyuki Fujiwara

Takuya Matsumoto

Naoki Tanaka

Hironori Wakana

Masashi Egi

Takashi Numata

Yukari Yamamoto

Tadahiro Horita

Hirofumi Sukeda

Akihiko Kandori

Takashi Anazawa

Naoki Matsushima

Satoshi Takahashi

Fumio Kawaguchi

Tsukuru Ohtoshi

Shingo Kawasaki

Yukiko Hirabayashi

Satoshi Ozawa

Yoshio Taniguchi

Tatsuo Kanetake

Yoshimasa Murayama

Yuichi Nonaka

Tsuneaki Kawaguchi

Rena Akahori

Etsuko Nomoto

Takeshi Ohura

Hideo Kawaguchi

Kei Utsugi

Atsushi Suzuki

Ayako Nishimura

Akiko Obata

Isamu Orita

Yuto Komatsu

Takushige Katsura

Stephanie Sutoko

Charles Limasanches

Tomohiro Hashizume

Tsuyoshi Takatera

Ozawa Satoshi

A digestive organ internal contents sampling capsule for sampling internal contents in a digestive organ includes: a cylindrical container insoluble in a digestive tract for housing the internal contents in the digestive organ; an outer lid enclosing an orifice of the cylindrical container and to dissolve at least partially in the digestive organ; an inner lid arranged in the cylindrical container, and to swell in response to contact with the internal contents in the digestive organ to enclose the orifice of the cylindrical container after the orifice is exposed by dissolving of at least a part of the outer lid; and a marker material to be discharged together with the cylindrical container housing the internal contents in the digestive organ and feces.

Digestive organ internal contents sampling capsule

Provided is a biological information detection device including: an image acquisition unit that acquires an image composed of image signals including a plurality of wavelength components obtained by capturing reflected light from an object; a region division unit that divides the image into a plurality of regions for each frame; a local pulse wave detection unit that detects a pulse wave based on wavelength fluctuation between frames for each of the regions; and a blood pressure estimation unit that calculates propagation velocity of the pulse wave based on an appearance time difference of patterns of the pulse waves in two or more regions extracted based on an appearance order of the patterns of the pulse waves in the plurality of regions, and estimates a blood pressure based on the propagation velocity of the pulse wave.

Biological information detection device and biological information detection method

Provided is a medical image processing apparatus including: an image acquisition unit that obtains a medical image of a subject; and an image processing unit that generates a second medical image by applying predetermined image processing on the medical image. The image processing unit includes: a surface area extraction unit that extracts a surface area including information that can lead to individuality determination or identification of the subject, from the medical image; a body orientation determination unit that determines body orientation on the basis of the surface area; a surface area deformation unit that deforms the surface area of the medical image; and an object assignment unit that assigns an object indicating the body orientation to the medical image in which the surface area has been deformed and that generates the second medical image.

Medical image processing apparatus and medical image processing method

A biological information detection device includes: a video capture unit, a blood flow analysis unit, a local pulse wave detection unit, a pulse wave propagation velocity calculation unit, and a blood pressure estimation unit. The video capture unit obtains video information on a face of a living body. The blood flow analysis unit analyzes video data of at least three skin areas in the video information, as blood flow information. The local pulse wave detection unit is provided for each skin area to calculate pulse information based on the blood flow information sequenced chronologically. The pulse wave propagation velocity calculation unit calculates a pulse wave propagation velocity based on a phase difference between pieces of the pulse information at each skin area calculated by the local pulse wave detection unit. The blood pressure estimation unit estimates blood pressure based on the pulse wave propagation velocity.

Biological information detection device, biological information detection method and non-transitory computer-readable storage medium for biological information detection

Provided is a technique for comprehensively understanding the relationship between brain regions. A brain connectivity analysis system herein includes a memory configured to have stored therein a connectivity analysis program for analyzing the connectivity; and a processor configured to read the connectivity analysis program from the memory and analyze the connectivity. The processor is configured to execute a process of acquiring from a storage unit measured data on a plurality of selected regions of a brain, a process of determining at least two of the plurality of regions as seed regions and calculating a plurality of connectivity features for the seed regions and other regions from the measured data on the plurality of regions, and a process of generating a connectivity feature graph showing a relationship between a transfer delay time and another connectivity feature of each region that are included in the plurality of connectivity features.

Brain connectivity analysis system and brain connectivity analysis method

A mood score calculation apparatus has a memory device that stores a manipulation history of a user on a predetermined device and a arithmetic device that classifies the manipulation history into any one of a verbal task and a spatial task on the basis of a predetermined algorithm, calculates the user's mood score on the basis of a relative relationship between the manipulation histories for each of the verbal task and the spatial task specified in the classification, and outputs information on the mood score into a predetermined output target.

Mood score calculation apparatus and mood score calculation method

There is disclosed a probe holder module that configures a part of a probe holder for an optical measurement which holds a light emission probe and a light detection probe and can be mounted on an object to be measured and configures the probe holder for optical measurement by combining a plurality of probe holder modules, the probe holder module including a holding part for mechanically holding at least one of the light emission probe and the light detection probe, at least one of an electric circuit and electric wiring to be electrically connected to at least one of the light emission probe and the light detection probe, a terminal for connecting at least one of the light emission probe and the light detection probe and at least one of the electric circuit and the electric wiring, a mechanical connection part to be mechanically connecting other probe holder module, and an electrical connection part to be electrically connected to the other probe holder module.

Probe holder module and method for configuring probe holder using same

A biological information detection apparatus for measuring a SpOwithout contact from a distant position includes a camera that acquires an image with visible and infrared light, a first wavelength fluctuation detection section detects a temporal variation of a wavelength of an image with the visible light to generate a first wavelength difference data signal, a first amplitude detection section detects an amplitude of the first wavelength difference data signal, a second wavelength fluctuation detection section detects a temporal variation of a wavelength of an image with the infrared light to generate a second wavelength difference data signal, a second amplitude detection section detects an amplitude of the second wavelength difference data signal, a ratio calculation section calculates a ratio between the amplitudes of the first and second wavelength difference data signals, and an oxygen saturation concentration calculation section calculates an oxygen saturation concentration based on the calculated amplitude ratio.

Biological information detection apparatus and biological information detection method

A mood score calculation system includes a processor and a memory. The memory is configured to hold relationship information on a relationship between a mood score of a user and a statistical feature for indicating fluctuation of operational interval time of a user terminal. The processor is configured to acquire an operation log of a first user terminal. The processor is configured to calculate, from the operation log, a value of a statistical feature for indicating fluctuation of operational interval time of the first user terminal. The processor is configured to determine a mood score of a user of the first user terminal based on the value of the statistical feature and the relationship information and output the mood score.

Mood score calculation system

A biological light measurement device has one or more light emission means arranged on a surface of a subject, one or more light detection means arranged on the surface of the subject, a holding unit for holding the light emission means and the light detection means, a mounting jig for mounting the holding unit on the subject, and means for changing an SD distance defined by a distance between the light emission means and the light detection means. The holding unit holds the light emission means and the light detection means so that two or more types of the SD distance are configured.

Biological light measurement device

In a biophotonic measurement device based on the principles of near-infrared spectroscopy (NIRS), in order to realize appropriate conditions in any light-source/detector arrangement and various required specifications, a photoirradiation moduleincluding a light source, a photodetection moduleincluding a photodetector, and a central control/analysis unitare provided. The central control/analysis unitacquires correspondence relations between each of photodetection units and photoirradiation units by using a correspondence acquiring unit. The photoirradiation moduleand the photodetection moduleswitch signal detection methods at each measurement point by utilizing an evaluation function value determined by detection output of the photodetectorso that the plurality of signal detection methods are mixable, and the high-precision and optimum biophotonic measurement device is realized.

Biophotonic measurement device and method

Provided is a biological state assessment device for assessing biological state, such as mood or emotions, using non-invasive biophotonic measurement technology. The present invention includes a light irradiation unit (), a light-receiving unit (), and an inputting means (). A subject () is presented with a plurality of different problems (first problem, second problem), and a biological signal in the interior of the subject is calculated from the intensity of light received by the light-receiving unit (). Subjective information about the subject is accepted by the inputting means (). The difference is calculated between the subjective information and the relative value of the biological signal of the measurement point for the first problem and the biological signal of the measurement point for the second problem, and the result is displayed.

Biological state assessment device and program therefor

The present invention provides a device and method for analyzing the characteristics of a biopolymer with excellent mechanical stability, high spatial resolution and sensitivity using a simple device construction. Specifically, the Raman scattered light of a biopolymer is measured and the properties of monomer units forming the biopolymer are analyzed by using a biopolymer property analysis chip () characterized by comprising: a solid substrate (); at least one nanopore () disposed in the solid substrate (); and one or more electrically conductive thin films () disposed on the solid substrate (). The biopolymer property analysis chip () is characterized in that the electrically conductive thin films () are disposed partially on the solid substrate () where the nanopore () is formed and a biopolymer which has penetrated into the nanopore () is caused to generate Raman scattered light by means of irradiation with external light.

Biopolymer optical analysis device and method

Provided is a near-infrared spectroscopy apparatus using a phosphor. [Object]: Information in a specimen is observed by using light without contacting an optical fiber and an electronic circuit with the specimen. [Means for Solution]: A small and lightweight phosphor is contacted with the specimen to measure the fluorescence intensity at a separate position.

Optical measurement apparatus

The present invention is capable of separating/removing the influence of skin blood flow contained in near infrared spectroscopy (NIRS) signals and extracting a brain- or brain cortex-origin signal. Moreover, the present invention enables versatile separation of brain-origin and skin-origin signals in view of differences among individuals. A biological photometric device, wherein light transmitters and light receivers are located in such a manner that measurement can be conducted at a plurality of source-detector (SD) distances and light received by the individual light-receivers can pass through the gray matter to thereby separate a brain-origin signal and a skin-origin signal. Individual component analysis (ICA) is conducted on data obtained at the individual measurement points. Then, it is determined whether each individual component originates in the brain or in the skin with the use of the SD distance-dependency of the weighted value of each of the separated components.

Biological photometric device and biological photometry method using same

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Kawagoe, Japan

Masashi Kiguchi