Primary stability of a shoulderless Zweymüller hip stem: a comparative in vitro micromotion study

The Zweymüller stem design has proven long-term stability with a 20-year survival rate of over 90 %. Primary stability necessitates implant-bone micromotions below 150 μm, otherwise bony ingrowth is negatively...

Source: Journal of Orthopaedic Surgery and Research - July 5, 2016 Category: Orthopaedics Authors: Ralf Bieger, Tobias Freitag, Anita Ignatius, Heiko Reichel and Lutz Dürselen Source Type: research