Assistive Device Offers Better Mobility

Borrowing on technology originally developed for their ASIMO humanoid robot, Honda recently announced the introduction of the Walking Assist Device for use in hospitals and rehabilitation facilities throughout Japan. Designed to help the elderly, as well as individuals requiring physical therapy due to stroke, accident or other diseases, the device has been used experimentally in approximately 50 facilities since 2013.

The simple belt structure is worn around the waist and thighs, and is adjustable for a variety of body sizes and types. A computer controller activates a series of motors to improve symmetry and timing of leg movements, while providing support and lift at the knees to promote a normal stride length. Sensors monitor walking patterns and display the information on a tablet-style device enabling clinicians to optimize settings for flexion, extension and weight distribution. Tests indicate that, after a period of use, muscle strength often increases sufficiently to allow the user to walk unaided.

The lithium-ion battery-powered device weighs about 6 pounds (2.7 kilograms) and will operate for more than 60 minutes on a full charge. The first units are scheduled to become available for lease in November of this year at a cost of 45,000 Yen (less than $400) per month.