University of Tsukuba

Cyberdyne Inc.

Asics Corporation

Nihon University

Tsukuba Technology Seed Co., Ltd.

Yoshiyuki Sankai

Hidenori Yamashita

Masahiro Takama

Takashi Okamoto

Hiromasa Hara

Ryotaro Sabe

Takeshi Fujimori

Kin-ichi Nakata

Martin Peris Martorell

Alexsandr Igorevitch Ianov

Kazuki Into

Tomohiro Hayashi

Tomoyoshi Kawabata

Damien Douxchamps

Martin Peris

Dan Yoshikawa

When controlling load torque of a drive unit on the basis of a biological signal detected from a subject's lower limb parts, adjustments are made to a hybrid ratio of voluntary control to generate running torque and a rotational speed of a crank according to the subject's intention and autonomous control to generate assisting power for the subject's pedaling motion on the basis of a rotation angle of the crank.

Heart rehabilitation support apparatus and heart rehabilitation support method

As an expert gives instructions to cause movements of their own hands transferred directly as tactile force sense while perceiving surrounding information of a collaborator on a real-time basis and watching the collaborator's line-of-sight end and movements of the collaborator's hands, the collaborator indirectly receives the instructions of the expert's manual skills, which are the expert's tacit knowledge, on a real-time basis while sharing realistic sensations with the expert who is at a remote location when the collaborator performs an act of working with their own hands.

Interactive information transfer system, interactive information transfer method, and information transfer system

The degree of progress of an atrial fibrillation which a subject suffers from is assessed and learned on the basis of a frequency histogram according to an occurrence frequency based on judgment results of a complex fractionated atrial electrogram for a specified period of time, which are obtained from the subject's electrocardiogram data.

Diagnosis support system and diagnosis support method

It is judged that a relevant tool is lost at a second time point after the elapse of a certain amount of time or longer after a first time point when it is judged that the tool is not recognized at all in images; and regarding the tool which is judged to have been lost, trace data corresponding to heads-up time, which is immediately before the first time point to immediately after the first time point, is read with reference to a corresponding identifier and a movement locus of the tool based on the trace data is displayed on a screen.

Instrument monitoring device and instrument monitoring method

A haptic detection apparatus includes: a capacitance detection unit that detects capacitance of each of capacitors which changes according to an external force applied to a second electrode plate of a capacitance-type load sensor; a distributed load measurement unit that measures a distributed load indicating a distribution of load applied to each of the cylinders on the basis of a change amount of the capacitance of each capacitor which is detected by the capacitance detection unit; and a load information calculation unit that calculates a total load and a load center position of the external force applied to the second electrode plate of the load sensor on the basis of a relation between an expansion/contraction amount of each cylinder relative to the distributed load measured by the distributed load measurement unit and a pattern of the distributed load.

Haptic detection apparatus, haptic detection method, and robot arm

A first drive unit, in a state where a top end of a tubular joint is interposed into a chest of a target person and is located at a lower heart part, pushes a diaphragm out from the top end of the tubular joint while pressing a gas into the diaphragm, and simultaneously causes the diaphragm to start flexing to cover and wrap the lower heart part, and then stops pressing the gas into the diaphragm at a time point where compression balloons are positioned at atriums and ventricles of a heart, respectively; and second drive units support a pumping function of the heart by alternately repeating an ejecting operation to fill each of the compression balloons with a fluid and cause each compression balloon to expand and an absorbing operation to cause each compression balloon to discharge the fluid and contract.

Cardiac output support apparatus

A biological activity detection apparatus includes: a drive unit that actively or passively drives in conjunction with a limb motion of a subject; a periarticular detection unit that detects a periarticular physical quantity around a joint in association with the limb motion of the subject based on an output signal from the drive unit; a biological signal detection unit located at a body surface site of the subject with reference to the joint and includes an electrode group for detecting a biological signal of the subject, wherein an activity status of a musculoskeletal system and/or a transmission status of a peripheral nervous system around the joint are converted into quantitative musculoskeletal system data and/or nervous system data on the basis of the physical quantity acquired from the periarticular detection unit and a myogenic potential signal and a neural transmission signal which are acquired from the biological signal processing unit.

Biological activity detection apparatus and biological activity detection system

A photoacoustic imaging apparatus comprises: a light emitting unit emitting pulsed light with a wavelength absorbed inside a subject; a thin, flexible film applied to a skin surface of the subject to make the pulsed light transmit it and reflects the light on its outer surface at the same time; a multi-directional light emitting unit emitting a plurality of visible light beams from multi-directions to the outer surface of the thin film; a micro-vibration detection unit detects, on the basis of diffraction and/or interference of a plurality of reflected light obtained from the outer surface of the thin film, a state of causing micro-vibrations of the thin film as the photoacoustic waves generated from the light absorber collide against an inner backside of the thin film; and a shape image transformation unit that produces the images of a shape of the light absorber as detected by the micro-vibration detection unit.

Photoacoustic imaging apparatus and photoacoustic imaging method

Proposed are a three-dimensional structuring method of cells and a three-dimensional structuring system of cells capable of efficiently bonding multiple cell clusters in a three-dimensional direction, pursuant to their growth, while ensuring safety. A plurality of fibers, in which one end of each of the fibers is held by a flat plate, are inserted together with the flat plate into a flow path through which a culture solution is supplied, a plurality of cell clusters are placed in the flow path upon causing the cell clusters to run with a liquid flow of the culture solution, and each of the cell clusters is cultured by being stacked on an outer surface of each of the fibers with the flat plate as a growth origin.

Three-dimensional structuring method and three-dimensional structuring system of cells

A motion assisting apparatus includes a multijoint structure having links in series rotatably connected in a relative manner, the links being integrally deformed in a bendable manner, a linear member inserted through each of the links, wherein one end is fixed to the link in front and another end is elongated via the link in rear, a sliding/holding part which fixes an elongated portion of the linear member, and slidably guides the rear link in a connecting direction between each of the links, a drive unit which drives the rear link to slide toward the sliding/holding part and causes the multijoint structure, through which the linear member has been inserted, to engage in an extending or flexing motion, and a control unit which drive-controls the drive unit so that a sliding direction, a sliding speed and a sliding position of the rear link will become an intended state.

Motion assisting apparatus

A gait disorder support apparatus and gait disorder support method capable of detecting an onset sign of a gait disorder associated with motor symptoms in advance and performing motion assist are proposed. The onset sign of the gait disorder associated with the motor symptoms of a wearer is detected based on the correlation between a gait cycle and a reduction ratio of the gait cycle as compared to immediately preceding gait; and when the onset sign of the gait disorder is detected, a drive unit is controlled so that the drive unit applies assist power to a knee joint of the wearer; and on the other hand, when the onset sign of the gait disorder is not detected, the drive unit is controlled so that driving torque by the drive unit does not hinder the wearer's gait motion.

Gait disorder support apparatus and gait disorder support method

A biopotential can be measured with high accuracy without the electrodes coming into direct contact with the skin and without being affected by any motion artifact. The present invention comprises a first lead which detects a biopotential containing noise components, a second lead which is electrically isolated from the first lead and detects noise components, and a differential amplifier circuit which is input with a first signal output from the first lead and a second signal output from the second lead, and which amplifies and outputs a difference between the first signal and the second signal, wherein a value of an input impedance on the second signal side of the differential amplifier circuit is set so that the noise components detected from the second lead will have a frequency that is higher than a frequency spectrum of the biopotential.

Electrodes for biopotential measurement, biopotential measuring apparatus, and biopotential measuring method

A wearable gait detection device, a walking ability improvement system and a wearable gait detection system detect manifestation in a brain based on the wearer's gait and preventive measures. A load measurement part measures a load of a sole of the wearer's feet, a foot movement detection part at the shoes detects acceleration and/or angular velocity during feet movement, a centroid position calculation part calculates a centroid position of the feet based on changes in measured load, a movement locus calculation part calculates a movement locus of the feet based on acceleration and/or angular velocity detected by the foot movement detection part, a manifestation recognition part recognizes manifestation in the brain according to a specificity of centroid fluctuation of the feet based on the calculated centroid position and movement locus of the feet, and a sensory output part feeds back a sensation to the wearer based on a recognition result.

Wearable gait detection device, walking ability improvement system and wearable gait detection system

Provided are an object identification device and an object identification method in which objects can be easily identified. The object identification device is provided with a pixel group extraction unit which scans, in units of the image area, an X-ray transferred image obtained from an imaging unit which performs X-ray imaging to an item to be inspected that is supplied, and extracts a plurality of pixel groups including characteristics of a shape of at least a part of the item to be inspected, and a determination unit which determines, with regard to the plurality of pixel groups extracted by the pixel group extraction unit, whether the item to be inspected corresponds to the object by executing all of the series of mappings related to an angle of an n direction by using each of the weight parameters based on the data group read from the memory unit.

Object identification device and object identification method

An upper limb motion support apparatus and an upper limb motion support system which are capable of significantly improving the enhancement of an operator's work efficiency and the reduction of their workload are proposed. A controller which causes an articulated arm and an end effector to perform three-dimensional motion according to the operator's intention based on a biological signal acquired by a biological signal detection unit causes the articulated arm and the end effector to perform cooperative motion in conjunction with the operator's upper limb motion by referring to content recognized by an upper limb motion recognition unit.

Growing community of inventors

Tsukuba, Japan

Yoshiyuki Sankai