The product identification necessary to review manufacturing history was not provided.Current information is insufficient to permit a conclusion as to the cause of the event.Date implanted - (b)(6) 1994; (b)(6) 1995; (b)(6) 1998; (b)(6) 2001.Date explanted - (b)(6) 1995; (b)(6) 1998; (b)(6) 2001.Event is being reported to fda on one medwatch as the limited information available indicates that a revision procedure occurred. should additional information be received regarding the revision procedure, the complaint will be reassessed and further medwatch reports will be submitted, if necessary.There are warnings in the package insert that state that this type of event can occur: under possible adverse effects, number 4 states, ¿loosening or migration of the implants can occur due to loss of fixation, trauma, malalignment, bone resorption, or excessive activity.¿ number 11 states, "wear and/or deformation of articulating surfaces.'.
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It was reported that clinical patient underwent right total hip arthroplasty on (b)(6) 1994.Subsequently, patient underwent a revision on (b)(6) 1995 due to poly wear.Patient underwent a second revision on (b)(6) 1998 due to acetabular cup migration.Patient underwent a third revision on (b)(6) 2001 due the acetabular cup failing.Patient underwent a fourth revision on (b)(6) 2007 due to wound drainage.During the procedure, irrigation and debridement was performed.No further information has been provided.
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