Knee Surgery & Related Research : eISSN 2234-2451 / pISSN 2234-0726

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Fig. 1. Modified design features of Attune compared to PFC Sigma. (A) The trochlear groove of Attune is extended more distally than PFC Sigma, resulting in a reduced intercondylar box ratio. (B) Reduced width and thickness of Attune (inner dimension; solid line) compared to PFC Sigma (outer dimension; dotted line). (C) The Attune prosthesis has a medialized dome patellar component for optimizing patellofemoral conformity.
Knee Surgery & Related Research 2018;30:334~340
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