Litigation alleges the patient suffers from pain, discomfort and toxic cobalt-chromium metal ions and particles to be released into the blood, tissue and bone.Update: 26 oct 2017: pfs and medical records received.In addition to what was previously alleged, pfs alleges swelling, drainage, large hematoma,yellow skin color, grinding and a cane for walking.After review of medical records for the mdr reportability, patient was revised to address failed right total hip arthroplasty due to metallosis, severe pain, dysfunction and failed recall stem implant.Revision notes reported of increased pain, dysfunction, peritrochanteric soft tissue mass and elevated metal lie.It was also indicated that there was an extensive scar tissue and changes in the soft tissues in the peritrochanteric tissues.It was also stated that there was a large grey metallosis, metal corrosion, extra bone in anterior-inferior recess and malpositioned liner.Added product and lot numbers for head and liner.Stem and cup was also added due to allege metal ions.This complaint was updated on oct 31, 2017.Update oct 26, 2017 medical records reviewed for mdr reporting.It was noted within the revision note that their was evidence of cup loosening.Added metal ion lab results.Stem reported for elevated ions and corrosion.Cup reported for implant loosening at the bone to implant interface.Complaint updated on: nov 21, 2017.
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Product complaint # :(b)(4).Investigation summary :o device associated with this report was received for examination.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.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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