| 摘要 |
A system method and device, the system including a gait device for facilitating a gait of a person over a surface and one or a plurality of crutches to provide support over the surface the gait device, each of said one or a plurality of crutches including a locomotion facilitator to enhance locomotion of that crutch over the surface and a mechanism to modify the locomotion of that crutch over the surface. |
