Patent ID: 6689075
Filing Date: 2004-02-10
Classification: A61F,A61H,A63B

Abstract:
A powered gait orthosis comprising, a support structure, lifting means supported on said support structure for connection to a lifting harness secured to a patient, a treadmill for acting on the feet of a patient, said treadmill including opposite sides and opposite ends, drive means for driving said treadmill, a pair of spaced leg actuator assemblies disposed adjacent to said opposite sides of the treadmill, said leg actuator assemblies each including a support arm, a first depending arm supported by said support arm for pivotal movement about a first generally horizontal axis, a second depending arm supported by said first depending arm for pivotal movement about a second generally horizontal axis, depending arm drive means for moving said first and second depending arms about the pivot axes thereof, first attachment means for attaching said first depending arm to a patient's leg just above the knee of the patient's leg, second attachment means for attaching said second depending arm to a patient's leg at the ankle of the patient's leg, and control means connected to the drive means for said treadmill and the drive means for said first and second depending arms to direct the various drive means to operate in a coordinated manner to cause the legs of a patient to move in a desired gait.