Acute trunnion failure of a TMZF alloy stem with large diameter femoral heads

ConclusionPatients that have received TMZF alloy cementless stems coupled with CoCr alloy heads are at risk of catastrophic trunnion failure. Importantly, background trunnion corrosion may occur silently and present emergently irrespective of surveillance.
Source: Journal of Orthopaedics - Category: Orthopaedics Source Type: research