Patient was revised to address osteolysis and metal on metal reaction.Revision note reported of elevated chromium and cobalt ions levels, however, there was no laboratory result provided before the first revision.There was corrosion at the taper.Doi: (b)(6) 2007; dor: (b)(6) 2013, (left hip) first revision.
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Product complaint # (b)(4).Investigation summary: investigative update: 20 / august / 2021 product and/or lot information has been provided.Patient x-ray images and a singular device photograph have also been provided for review.No device associated with this report was received for examination.Provided x-ray images are paper copies that are unclear in nature.That being noted nothing indicative of a product problem is identified.A photograph of the explanted femoral head only has also been provided.The device is within a tinted blue plastic package.It does not aid in this investigation.No conclusions can be drawn or root cause for the problems reported identified using the provided images.The information received will be retained for potential series investigations if triggered by trend analysis, post market surveillance, or other events within the quality system.Depuy considers the investigation closed.Should additional information be received, the information will be reviewed and the investigation will be re-opened as necessary.Device history lot: the product investigation found no evidence suspecting an error in the material, manufacturing, inspection or sterile processing that would be a contributing factor in the reported allegation(s).A manufacturing records evaluation (mre) was not performed.
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