Literature article entitled: "outcomes of a metal-on-metal total hip replacement system" the study analyzed the outcomes of metal on metal thr systems involving the corail stem, pinnacle cup, ultramet liner, and articuleze femoral head.578 uncemented hips were followed in the study.39 hips from 38 patients were revised within a mean time of 3.5 years.They were identified by age/gender.Patient #21 was a (b)(6) year old female revised for adverse reaction to metal debris.The head and liner were revised.Intraoperative findings include necrotic tissue in trochanteric bursa with free light brown watery fluid.Elevated cocr blood metal ion levels were noted prior to revision.
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Depuy synthes is submitting this report pursuant to the provision of 21 cfr, part 803.The report may be based on the information which depuy synthes has not been able to investigate or verify prior to the required reporting date.This report does not reflect a conclusion by fda, depuy synthes or its employees that the report constitutes an admission that the device, depuy synthes, or its employees caused or contributed to the potential event described in this report.Product complaint # = > (b)(4).Investigation summary = > no device associated with this report was received for examination.Depuy considers the investigation closed at this time.Should additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
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