- Robotics and Automated Systems
- Stroke Rehabilitation and Recovery
- Robotic Path Planning Algorithms
- Spinal Cord Injury Research
- Cerebral Palsy and Movement Disorders
- Robotics and Sensor-Based Localization
- Prosthetics and Rehabilitation Robotics
- Muscle activation and electromyography studies
- Energy Efficient Wireless Sensor Networks
- Indoor and Outdoor Localization Technologies
- Nerve Injury and Rehabilitation
- Cervical and Thoracic Myelopathy
- Balance, Gait, and Falls Prevention
- Opportunistic and Delay-Tolerant Networks
- Modular Robots and Swarm Intelligence
- IoT-based Smart Home Systems
- UAV Applications and Optimization
- Evacuation and Crowd Dynamics
- Robotic Locomotion and Control
- Botulinum Toxin and Related Neurological Disorders
- Spinal Fractures and Fixation Techniques
- Advanced Manufacturing and Logistics Optimization
- Aerospace Engineering and Energy Systems
- Nutrition and Health in Aging
- Mobile Ad Hoc Networks
University of Tsukuba
2016-2025
University of Tsukuba Hospital
2016-2024
Kogakuin University
2014-2024
Tohoku University
2001-2024
Pain and Rehabilitation Medicine
2024
Kokugakuin University
2018
Teikyo University
2004-2013
National Institute of Information and Communications Technology
2007-2010
RIKEN
2004-2008
The University of Tokyo
2006
On March 11, 2011, a massive earthquake and tsunami hit eastern Japan, particularly affecting the Tohoku area. Since then, Fukushima Daiichi Nuclear Power Station has been facing crisis. To respond to this crisis, we considered using our rescue robots for surveillance missions. Before delivering robot TEPCO (Tokyo Electric Company), needed solve some technical issues add functions Therefore, began redesign project equip disaster response gave us two specific One was explore inside outside of...
Here, we present a study on exoskeleton robot control based inter-limb locomotor synergies using method developed to target hemiparesis. The is and kinesiological information from the non-paretic leg walking aid cane generate motion patterns for assisted leg. synergy-based system was tested against an autonomous in five patients with hemiparesis varying abilities. Three of participants were able walk robot. Results these showed improved spatial symmetry ratio more consistent step length...
Background/Objectives: A 68-year-old man presented with progressive walking difficulty that developed into spastic paraplegia. This condition was a long-term consequence of lightning strike injury sustained at the age 22 years. His symptoms progressively deteriorated, eventually requiring double crutches for ambulation approximately 40 years age. physical evaluation prior to hybrid assistive limb (HAL) training revealed T10 level neurological and an American Spinal Cord Injury Association...
To assess the feasibility, safety, and efficacy of hybrid assistive limb (HAL) training in patients with varying levels gait impairment caused by ossification posterior longitudinal ligament (OPLL) or ligamentum flavum (OLF). Prospective study. July 2014 to May 2019; - out-patient rehabilitation unit. Participants: Twenty-five ossified lesions acute, subacute, chronic postoperative OPLL OLF. Ten HAL sessions (sixty min) total; three times per week (acute/subacute patients) one time two...
Context: Recently, locomotor training with robotic assistance has been found effective in treating spinal cord injury (SCI). Our case report examined using the suit hybrid assistive limb (HAL) a patient complete C4 quadriplegia due to chronic SCI. This is first examining HAL quadriplegia.Findings: The was 19-year-old man who dislocated C3/4 during judo 4 years previously. Following injury, he underwent posterior fusion but remained paralyzed despite rehabilitation. There muscle atrophy under...
Abstract Background Mild cognitive impairment (MCI) is not just a prodrome to dementia, but very important intervention point prevent dementia caused by Alzheimer's disease (AD). It has long been known that people with AD have higher frequency of falls some gait instability. Recent evidence suggests vestibular disproportionately prevalent among individuals MCI and due AD. Therefore, we hypothesized the measurement balance capability helpful identify MCI. Methods First, developed useful...
Context: The hybrid assistive limb (HAL) is a wearable robot suit that assists in voluntary control of knee and hip joint motion by detecting bioelectric signals on the surface skin with high sensitivity. HAL has been reported to be effective for functional recovery motor impairments. However, few reports have revealed utility patients who undergone surgery thoracic ossification posterior longitudinal ligament (thoracic OPLL). Herein, we present postoperative OPLL patient showed remarkable...
Understanding the reorganization of central nervous system after stroke is an important endeavor in order to design new therapies gait training for patients. Current clinical evaluation scores and velocity are insufficient describe state system, one aspect where this lacking quantification symmetry. Previous studies have pointed out that spatiotemporal asymmetries commonly observed patients with hemiparesis. Such known cause long-term complications like joint pain deformation. Recent also...
Foot and ankle disabilities (foot drop) due to common peroneal nerve palsy stroke negatively affect patients' ambulation activities of daily living. We developed a novel robotics hybrid assistive limb (HAL) for patients with foot drop or stroke. The HAL is wearable exoskeleton-type robot that used train plantar dorsiflexion voluntary training the joint using an actuator, which placed on lateral side detects bioelectrical signals from tibialis anterior (TA) gastrocnemius muscles. Voluntary...
This paper describes an autonomous deployment and restoration of a Wireless Sensor Network (WSN) using mobile robots. The authors have been developing information-gathering system robots WSNs in underground spaces post-disaster environments. In our system, carry wireless sensor nodes (SN) deploy them into the environment while measuring Received Signal Strength Indication (RSSI) values to ensure communication, thereby enabling WSN be deployed restored autonomously. If is disrupted, restore...
Context: Spinal cord infarction (SCI) causes gait disturbance because of paresis, spasticity, and sensory the lower limbs. There is no effective medical treatment for SCI, conventional rehabilitation alone main approach to helping individuals work toward independent walking. The aim this study was evaluate effect using Hybrid Assistive Limb (HAL) on acute SCI.Findings: A 61-year-old female a 62-year-old male with incomplete paraplegia participated in study. Our participants received HAL 3–4...
Patients with complete paraplegia after spinal cord injury (SCI) are unable to stand or walk on their own. Standing exercise decreases the risk of decubitus ulcers, osteoporosis, and joint deformities in patients SCI. Conventional gait training for requires excessive upper limb usage weight bearing is difficult cases quadriplegia. The purpose this study was describe voluntary ambulation triggered by activity using Hybrid Assistive Limb® (HAL) quadri/paraplegia chronic Four (3 men, 1 woman)...
When an active volcano erupts, a restricted area is typically set according to the eruption level. However, it very important observe products inside of this predict timing and scale volcanic hazards, such as debris flows. Therefore, we propose robotic observation system for volcanoes that composed multi-rotor unmanned aerial vehicle (UAV) mobile ground robot. To deliver robot safely from UAV ground, implemented sky-crane mechanism confirmed feasibility theoretically. In paper, introduce our...
Context/Objective: The hybrid assistive limb (HAL) is a wearable exoskeleton robot that assists walking and lower movements via real-time actuator control. Our aim was to clarify the safety feasibility of using HAL robotic suit for rehabilitation in patients with severe thoracic myelopathy due ossification posterior longitudinal ligament (T-OPLL).
Cerebral palsy (CP) patients with spastic diplegia struggle to perform activities of daily life (ADL) using their upper arms. The single-joint-type Hybrid Assistive limb (HAL) for limbs is a new portable robot that can provide elbow motion support in accordance bioelectric activation patient's biceps and triceps brachii muscles. purpose this study assess the feasibility efficacy use HAL CP patients. Two were enrolled study. (Case 1: 19-years-old male, at Gross Motor Function Classification...
This study aims to investigate the prevalence of sarcopenic obesity and factors influencing body composition in persons with spinal cord injury (SCI) Japan. Adults SCI aged ≥ 20 years who underwent whole-body dual-energy X-ray absorptiometry between 2016 2022 were retrospectively analyzed. Data from 97 patients examined. The primary outcome was appendicular skeletal muscle mass (ASM). Multiple linear regression analysis conducted assess lean adipose indices SCI. Sarcopenia, obesity,...
[Purpose] The efficacy of a stabilometer-based index postural stability (IPS) as an indicator dynamic balance ability was investigated. [Subjects and Methods] Using stabilometer, we calculated the IPS in 583 healthy subjects (178 males, 405 females) under two conditions (open eyes/hard surface, OE/HS; closed eyes/soft CE/SS). [Results] Results revealed negative relation between age. (OE/HS) began to decrease at middle-age (40–60 years old), then decreased more rapidly during elderly ages...
Observation of an active volcano is very important to determine a strategy for estimating its eruptive activity and providing residents with evacuation warning. However, it too dangerous humans install cameras during the status volcano. Furthermore, permanently installed might be damaged by eruptions, craters can emerge in unanticipated positions. To handle this situation, we proposed robotic observations volcanic area after eruption using multi-rotor UAV (unmanned aerial vehicle) small...