Patent ID: 6045521
Filing Date: 2000-04-04
Classification: A61F

Abstract:
An orthotic apparatus for a paraplegic patient, comprising:a pair of leg support members inclined toward each other at a predetermined inclination angle; anda joint device coupled to an upper portion of each leg support member, the joint device comprising a main block and a pair of carrier members slidably mounted on opposite sides of the main block, the main block comprising rail members separated by an arc-shaped groove on each of the opposite sides, each carrier member comprising a main roller in rolling engagement with the arc-shaped groove and a plurality of side rollers adapted to roll on the rail members, and a pair of arms connecting each carrier member to one of the leg support members, the arms being adapted to provide the predetermined inclination angle between the leg support members, the joint device allowing rocking motion of the leg support members within a prescribed range such that the center of movement of the rocking motion approximates a virtual thigh joint rotation center point of the patient.