US Patent 9358177 Medical crutch

A medical crutch includes a supporting member having an upper portion and a lower portion. The upper portion includes an upper end having an arm support area and a handle area. The lower portion includes an adjustable system and a shock absorbing system. The pneumatic shock absorbing system is configured for removable attachment to an adjustable shaft. The pneumatic shock absorbing system is configured to provide a dampening means. The pneumatic shock absorbing system further includes a shock absorbing coupler to provide removable attachment of the shock absorber unit to the shock absorbing system.