24
April
2019
|
11:13 PM
America/New_York

HSS COMPARES OXINIUM CORROSION RATES TO COBALT CHROM

Orthopedics This Week (OTW) highlights research from HSS recently published in The Bone & Joint Journal which compared the fretting and corrosion rates of OXINIUM (OxZr, oxidized zirconium, Smith & Nephew, Memphis, Tennessee) femoral heads with those from a matched cohort of cobalt-chromium (CoCr) femoral heads.

Co-author Mathias P. Bostrom, MD, hip and knee surgeon at HSS, provided a statement to OTW regarding the findings of the study, who said, “We observed very little corrosion on the OxZr heads, at least in the short term, and developed a methodology to assess corrosion in the female taper of the heads which was technically challenging. With CoCr heads increased corrosion was associated with increasing head size. OxZr heads behave more like ceramic heads and pose little chance of developing trunion corrosion.”

Read the full article at ryortho com.