US Patent 8197425 Ankle-foot orthosis prescription assistive device

Patent 8197425 was granted and assigned to Hong Kong Polytechnic University on June, 2012 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Hong Kong Polytechnic University

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8197425

Date of Patent

June 12, 2012

Patent Application Number

12618096

Date Filed

November 13, 2009

Patent Primary Examiner

Max Hindenburg

Patent abstract

A measurement device (10) for quantitatively measuring stiffness, torque or range of motion (ROM) around the joint axis of the ankle-foot complex of a lower limb in the sagittal and coronal planes, the device (10) comprising: a plate (13, 21) for placement of the ankle-foot complex, the plate (13, 21) operatively connected to an actuator (14, 16) for manual actuation; an angular measurement device (12, 17) to measure an angular position of the ankle-foot complex; a torquemeter (11) to measure resistance torque of the ankle-foot complex; an electromyograph (48) to monitor muscular activity of muscles of the lower limb; and computer software to record the measured angular position, resistance torque of the ankle-foot complex and EMG of the lower limb muscles.