Batch review performed on 30 march 2021: lot 177753: (b)(4) items manufactured and released on 09-feb-2018.Expiration date: 2023-01-29.No anomalies found related to the problem.To date, (b)(4) items of the same lot have been already sold without any similar reported event.
Event or Problem Description
The patient came in reporting pain.The surgeon discovered that the patient's acetabulum was worn out due to osteolysis.2 years and 3 months after primary the surgeon revised successfully the bipolar head and it's internal ceramic head.No signs of damage found on the bipolar head.