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ESKA Ankle Prosthesis

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The ESKA TAR is a non-constrained, fixed-bearing, two-component prosthesis that was designed in Germany for cementless implantation between 1985 and 1989.1,2  It has a shallow groove on the talar component that is congrous to the ultra-high-molecular-weight polyethylene (UHMWPE) bearing fixed to the tibial prosthesis.  The following features were included to improve the biomechanics of the ankle replacement: