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BK Suspension

Overview of Transtibial Suspension

Generic Class SuspensionExamplesPrimary IndicationMajor AdvantagesChief Limitations
Atmospheric Pressure Roll on locking liners; hypobaric socks; augmented vacuum systems; elastomeric knee sleeves Whenever clinically feasible Minimizes pistoning; best proprioception; greatest ROM Precise fit so consistent donning necessary; best with stable limb volume
Anatomic Supracondylar, supracondylar suprapatellar, removable medial wedge To increase knee stability, for short limb or ligamentous laxity Easy to don and doff even with dexterity or vision problems; M-L stability; suprapatellar limits hyperextension Restricts full knee flexion; suspension pressure is localized
Straps Cuff; cuff + waist belt; fork strap + waist belt Residual limb volume changes anticipated Amputee adjustable; good aux. suspension Some pistoning; discomfort from waist belt; tight cuff may inhibit circulation
Hinges Thigh corset (joints and lacer) Damaged knee or residual limb; previous successful user Max M-L and A-P stability; partial unloading of residual limb Heavy, bulky, awkward to don; allows significant pistoning
Created by: npoliti