| 摘要 |
Abstract An adjustable length crutch including at least one support portion to support at least a portion of the weight of a user, a leg portion associated with the at least one support portion and having a foot adapted to abut the ground in use to balance the user and a length adjustment mechanism to adjust the separation between the at least one support portion and the foot to adjust the effective length of the crutch. 16 ---- ~ 16 27-8 / 19- 20 Figure IB Figure I1A |
