Tokyo Medical and Dental University

Ricoh Company, Ltd.

Tdk Corporation

Institute of Science Tokyo

University Corporation, Kanazawa Institute of Technology

Shigenori Kawabata

Taishi Watanabe

Shuichi Okawa

Tomohiko Shibuya

Hiroshi Deguchi

Masahiro Takada

Yuki Miyano

Koji Yamaguchi

Akira Kinoshita

Takumi Yamaga

Shunichi Matsumoto

Takafumi Ishibe

Shuta Ushio

Shinji Sato

Toru Sasaki

Yoshinori Okada

Jun Hashimoto

Yoshihisa Naijo

Sukchan Kim

Yoshiaki Adachi

Takato Fukui

Yoichiro Takahashi

Kazuya Niyagawa

Koki Ishida

Shoji Tomizawa

Yuki Mitani

Satoshi Sumiya

Nobuyori Nagaoka

A biomagnetic field measurement device includes an irradiation unit configured to irradiate a subject with radiation; an imaging unit having a light-receiving surface for receiving radiation, the imaging unit being configured to image the subject based on the radiation from the irradiation unit; a marker part configured to absorb the radiation from the irradiation unit; and a processing circuit configured to output biological information based on third position information of the marker part and an imaged result of the subject by the imaging unit, the third position information of the marker part being calculated from first position information of the marker part, second position information of the irradiation unit, and a captured image of the marker part imaged by the imaging unit.

Biomagnetic field measurement device, biomagnetic field measurement system, and biomagnetic field measurement method

A biometric information display apparatus () for displaying a measurement result obtained by measuring a biometric signal, includes a maximum value calculation unit () configured to calculate a maximum value of the measurement result in a certain period of time for at least one of blocks into which a measurement area, in which the biometric signal is measured, is divided, a determination unit () configured to determine whether a measurement value in the at least one of blocks is greater than or equal to a threshold value obtained by multiplying the maximum value by a fractional value, the fractional value being determined in advance, and a display control unit configured to display, in response to an occurrence of an event in which the measurement value is determined to be greater than or equal to the threshold value, the measurement result in such a manner as to indicate the occurrence of the event.

Biometric information display apparatus, method, and program

A biomagnetic field measurement processing apparatus includes circuitry; and a memory storing computer-executable instructions that cause the circuitry to execute reconfiguring a current signal from a biomagnetic field signal; extracting a current component from the current signal; and based on the extracted current component, adding to each other at least two current waveforms among current waveforms of a plurality of inward currents that are current components directed toward a nerve axon from around the nerve axon, or adding to each other at least two current waveforms among current waveforms of a plurality of inward currents that are current components directed toward a muscle fiber from around the muscle fiber, and generating a current waveform to be displayed on a display device, according to the at least two current waveforms added to each other.

Biomagnetic field measurement processing apparatus, biomagnetic field measurement system, and control method of biomagnetic field measurement processing apparatus

An image processing apparatus includes a processor programmed to obtain a first radiation image of a subject captured from a first direction, obtain a second radiation image of the subject captured from a second direction that intersects the first direction, and either correct one of the first radiation image and the second radiation image based on positional information of a device for capturing the one of the first radiation image and the second radiation image, or correct another one of the first radiation image and the second radiation image based on information on a position of a specific region of the subject obtained from the one of the first radiation image and the second radiation image.

Image processing apparatus, imaging system, image processing method, and storage medium

An objective of the present invention is to provide a biomagnetism measurement device capable of three-dimensionally acquiring magnetism information of a living body with ease. This biomagnetism measurement device () is for measuring biomagnetism using a plurality of magnetic sensors () at the same time. The plurality of magnetic sensors () is retained by a retaining part () (a first retaining portion [] and a second retaining portion []) so as to have different measurement directions. Furthermore, the retaining part () (the first retaining portion [] and the second retaining portion []) has arranged thereon the plurality of magnetic sensors () so as to enable biomagnetism to be measured at a plurality of sites at the same time. The magnetic sensor () comprises a means for detecting the biomagnetism in a temperature environment commensurate with normal temperature.

Biomagnetism measurement device

A nerve stimulating apparatus includes a plurality of stimulating units configured to respectively apply stimuli to a plurality of nerve regions branching from a particular nerve region of a living body, and a stimulation timing controller configured to set generating timings of respectively generating the stimuli at the plurality of stimulating units. The stimulation timing controller sets the generating timings of generating the stimuli at the plurality of stimulating units based on response results of the particular nerve region, the response results being obtained in response to the stimuli that are respectively generated at the plurality of stimulating units and that are respectively applied to the plurality of nerve regions, and the response results being measured by a biometric information measuring apparatus that measures biometric information.

Nerve stimulating apparatus, biometric information measuring system, and method of setting stimulus generating timings of biometric information measuring system

The objective of the present invention is to provide a biomagnetism measuring device with which it is possible for a magnetic sensor to be disposed in an optimal position in accordance with an object being measured. A biomagnetism measuring device () according to the present invention is provided with: a plurality of magnetic sensors () which detect biomagnetism; and a holding portion () in which are formed frames () which detachably hold the plurality of magnetic sensors () in such a way as to face a living body. Further, the biomagnetism measuring device () according to the present invention is provided with: a plurality of magnetic sensors () which detect biomagnetism; and a holding portion () in which are formed rails () which movably hold the plurality of magnetic sensors () in such a way as to face a living body.

Biomagnetism measuring device

The present invention provides a biometric information measuring device with which a diagnostic imaging result and a biomagnetism measurement result can be superimposed simply and with satisfactory accuracy, and which is easy to handle. This biometric information measuring device () is provided with: a biomagnetism detecting unit () capable of detecting biomagnetism of a subject (S); and a radiation detecting unit () capable of acquiring an image corresponding to irradiated radiation, as digital image data, by means of the supply of a power source. The radiation detecting unit () is disposed between a measuring region of the subject (S) and the biomagnetism detecting unit (). Further, it is preferable to provide a control unit () capable of performing control such that the power source is not supplied to the radiation detecting unit () while the biomagnetism detecting unit () is detecting biomagnetism.

Biometric information measuring device

A biometric information display device includes a display controller configured to display a morphological image indicative of a morphology of a subject, on a display, an input controller configured to receive a designation of a specified position on the morphological image, a pathway generating section configured to generate a pathway based on the specified position on the morphological image, and a current extracting section configured to extract current components at a plurality of positions along the pathway, based on current information reconstructed based on magnetic field measurement data generated by the subject. The display controller displays the current components extracted along the pathway on the display.

Biometric information display device, biometric information display method, and computer-readable recording medium, extracting current components at positions along a neural pathway based on current information reconstructed based on magnetic field measurement data generated by subject

The present invention addresses the problem of providing a muscle activity measurement device and a muscle activity measurement method which make it possible to measure the muscle activity of an object to be sensed with increased accuracy. The muscle activity measurement device is provided with a magnetic sensor unit which senses a magnetic field generated from a living body. The muscle activity measurement device identifies an installed direction of the muscle activity measurement device, and includes an indication, on a surface of a container, which comprises identification information for installing the muscle activity measurement device in such a way that a magnetism sensing direction X of the magnetic sensor unit and the direction in which the muscle fibers of the living body as the object to be sensed extend are substantially orthogonal to each other.

Muscle activity measurement device and muscle activity measurement method

A biomagnetic measurement apparatus includes a table on which a subject is placed; a biomagnetic detector configured to detect a biomagnetic field of the subject; a supporter configured to support a detection target region from which the biomagnetic field of the subject is detected; a radiation detector provided below the supporter; and a position changer configured to change relative positions of the biomagnetic detector and the detection target region. The supporter has a surface shape that corresponds to a surface of the biomagnetic detector.

Biomagnetic measurement apparatus, biological information measurement apparatus, and biomagnetic measurement method

The objective of the present invention is to provide a biomagnetism measuring device capable of accurately detecting biomagnetism regardless of the object to be measured. This biomagnetism measuring device () is provided with: a plurality of magnetic sensors () which detect biomagnetism of a living body (); a retaining portion () including retaining holes () which retain the plurality of magnetic sensors () with freedom to move individually; and a movement mechanism which moves the magnetic sensors () individually in a contacting/separating direction causing the magnetic sensors () to come into contact with or separate from the living body (). As movement mechanisms there may be mentioned, for example, a pneumatic/hydraulic mechanism (), a resilient body mechanism (), a screw mechanism () and a gear mechanism ().

A diagnostic support system includes a spinal cord/spinal nerve evoked magnetic field data acquisition device configured to acquire spinal cord/spinal nerve evoked magnetic field data and a medical image information acquisition device configured to acquire first medical image information having each pixel associated with a corresponding pixel of visualized data of the spinal cord/spinal nerve evoked magnetic field data. The diagnostic support system superimposes the visualized data of the spinal cord/spinal nerve evoked magnetic field data on second medical image information based on information included in the first medical image information.

Diagnostic support system and diagnostic support method

A biological information measuring apparatus includes a biomagnetism detector configured to detect biomagnetism of a subject, the biomagnetism detector including a temperature adjustment mechanism; and a radiation detector configured to acquire emitted radiation as digital image data. The radiation detector is disposed between a measurement region of the subject and the biomagnetism detector.

Biological information measuring apparatus

A biomagnetism measurement device includes a tubular body, an inflatable portion inflatable upon supply of gas, and a magnetic sensor portion that detects a magnetic field from outside the tubular body. The inflatable portion is located at a required region of the tubular body, and the magnetic sensor portion is fixed to an inner wall of the inflatable portion. The tubular body and the inflatable portion include the same material, and the wall thickness of the inflatable portion is thinner than that of the tubular body.

Growing community of inventors

Tokyo, Japan

Shigenori Kawabata