Patent ID: 8418706
Filing Date: 2013-04-16
Classification: A61H

Abstract:
1. A method for upgrading a crutch, comprising the steps of providing a crutch having a leg, a first saddle, a first handle and a first foot, the first saddle comprising a frame and a resilient member, the frame having a perimeter with a hyperbolic paraboloid shape and the resilient member being an elastomeric molded member attached to the perimeter, wherein the first saddle is configured to be removable and replaceable by a user; providing a second saddle different from the first saddle, the second saddle comprising a frame and a resilient member, the frame having a perimeter with a hyperbolic paraboloid shape and the resilient member being an elastomeric molded member attached to the perimeter, wherein the second saddle is configured to be removable and replaceable by a user; removing the first saddle from the leg; attaching the second saddle to the leg.