UNIVERSAL POLYCENTRIC KNEE HINGE

One polycentric knee hinge for all functional casting requirements. Can be used as a free motion joint, drop lock joint, limited motion joint (any range) or locking joint (any position). Manufactured from hardened aluminium with wide plastic attachment wings. Radiolucent for better X-ray visualisation. Flexion and extension controls limit knee motion to any range desired or lock in any position. Reference marks on arm and housing for easier setting of motion control.
Complete set includes droplock (optional), flexion and extension controls, and wrench for adjustment. Total length: 41cm (16').
Requires the use of bending irons and alignment fixture.