(b)(4).If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.Investigation summary: no device associated with this report was received for examination.A worldwide complaint database search found no other related reported incidents against the provided product code/lot number combination since release for distribution.Based on previous investigations, this complication of joint replacement is unlikely to have been the result of a device failing to meet required specifications.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.
|
It was reported that the patient dislocated her constrained liner.During the revision, the liner was removed and discovered to have a crack on the outer elevated edge of the poly.The locking ring was observed to be still in place on the exterior of the polyand the 36 ts femoral head was still attached to the femoral stem.Constrained liner was destroyed during the removal process by the surgeon.The surgeon chose to remove the femoral stem, which was well-fixed, for a modular revision stem in order to increase femoral anteversion.Revised to a tripolar.No history of falls or additional explanation for the dislocation.Doi: (b)(6) 2019.Dor: (b)(6) 2019, left hip.
|