Loosening of the anatomic® tka (posterior stabilized femoral component uncemented size 5 and anatomic® tibial base plate for fixed bearing insert uncemented size 4), 40 months after the implantation.The incident was detected during the patient clinical monitoring by the surgeon on (b)(6), 2023.The implantation was performed on (b)(6), 2020.Associated device : anatomic® posterior stabilized femoral component, uncemented, size 5 (reference and batch number not communicated).Anatomic® tibial base plate for fixed bearing insert, size 4, uncemented (reference and batch number not communicated).Anatomic® fixed bearing insert size 4, thickness 10 (reference and batch number not communicated).
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No review of manufacturing history records could be performed as the list of devices was not communicated by the healthcare facility.The review of the internal vigilance database shows 3 incidents related to a post-operative loosening of a anatomic posterior stabilized femoral component uncemented.The rate is (b)(4) (based on anatomic femoral component global sales between 2013 and (b)(6) 2023).The review of the internal vigilance database shows 4 incidents related to a post-operative loosening of a anatomic tibial base plate for fixed bearing insert, size 4 uncemented.The rate is (b)(4) (based on anatomic femoral component global sales between 2013 and (b)(6) 2023).The analysis of the patient file recorded during the clinical monitoring doesn't reveal any element which could explain the post-operative loosening of the anatomic tka.Without explant, reference, batch number, x-rays, no further investigation can be performed.In conclusion and according to the elements in our possession, the origin of the post-operative loosening cannot be explained.
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