Netherlands 'Change'
• Forged Ti
• Proximal 1/3 porous plasma-sprayed 
• Middle 1/3 roughened Interlok® finish
• Distal 1/3 smooth/satin finish
• Provides quadrilateral fixation via
-Lateral Fin
-Anterior Fin
-Posterior Fin
-Medial Contact
• 99.1% survivorship up to 10 years 1
1Biomet Mallory/Head® Porous Hip Source: Head, William C., "Mallory-Head Press-Fit Hip Replacement," Paper submitted 1996 AAOS.
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