On 17 november 2017 the medical affairs director performed a clinical evaluation and commented as follows: 4 years after primary cementless tha with double mobility cup the acetabular component was found to be loose and then replaced.The supplied radiograph bears no date and it is possibly referring to early postoperative, before loosening of the cup took place.No specific finding can be observed on this documentation and the reason for loosening remains unknown.Batch review performed on 20 november 2017.(b)(4).To date, all items of the same lot have been already sold without any similar reported event.
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