Patent ID: 7559909
Filing Date: 2009-07-14
Classification: A61F,A61H

Abstract:
1. A walking assistance device, comprising: a hip support member configured to be worn on a hip of a user; a hip joint rotational force generator mounted on the hip support member at a point corresponding to a hip joint of the user; a link bar comprising a base end attached to an output end of the hip joint rotational force generator for a powered pivotal movement around a rotational center line of the hip joint rotational force generator; a knee joint rotational force generator mounted on a free end of the link bar at a point corresponding to a knee joint of the user; and a lower leg support member attached to an output end of the knee joint generator for a powered pivotal movement around a rotational center line of the knee joint rotational force generator, wherein the hip joint rotational force generator is hinged to the hip support member so as to accommodate a lateral movement of the hip joint rotational force generator, and wherein the link bar is configured to be extended and retracted.