Patent ID: 7947004
Filing Date: 2011-05-24
Classification: A61B,A61F,B25J

Abstract:
1. A lower extremity exoskeleton, configurable to be coupled to a person, said lower extremity exoskeleton comprising: two leg supports configurable to be coupled to said person's lower limbs and configured to rest on the ground during their stance phases where each said leg support comprises a leg rotation joint configured to allow rotation of said leg support, a thigh link and a shank link; two knee joints, each configured to allow flexion and extension between respective shank link and respective thigh link; and an exoskeleton trunk, configurable to be coupled to said person's upper body, rotatably connectable to said thigh links of said leg supports allowing for the flexion and extension between said leg supports and said exoskeleton trunk; wherein the entire energy required for said flexion and extension between the shank link and the respective thigh link of a leg support over a cyclic knee motion is provided by said person.