Revision performed due to neurolysis at the sciatic nerve due to pain, foot drop, and presence of scar tissue and a fluid filled mass.Surgeon revised the femoral head only, going to a shorter, reduced soft-tissue tensioning neck on the new femoral head.Litigation alleges injuries, discomfort, pain, limited mobility, walking difficulty and bone injury.After review of medical records, the patient was revised to address pain, swelling, weakness and sensory loss.Patient had foot-drop and developed seroma and scar-like tissue mass.Revision notes reported that sciatic nerve was severely bound down and scar tissue flattened its anterior and posterior diameter; neurolysis was performed in the sciatic nerve.Dor: (b)(6) 2004; dor: (b)(6) 2006; right hip (1st revision).
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Product complaint # (b)(4).Investigation summary = > no 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.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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