Depuy pinnacle hip implant with poly liner.
Original implant which is the one i am describing placed in body (b)(6) 2010, had to be replaced as a result of the failure of the acetabular cup, pinnacle ii acetabularcu sz mm 58 with pinnacle altrx +4 10 degree id x od 35 x 58 liner.
After 2 years of constant pain and complaints, surgeon found the acetabular cup had no bone growth, had dropped almost 1/2" and the pinnacle cancellous bone screw 6.
6 mm x 30 mm had bent 1/4".
The other part of the depuy sys seemed to hold up; that being the summit tapered stem with porocoat yet, the articuleze metal on metal femoral head was replaced.
It is important to note that this depuy pinnacle sys did have the poly liner and still the cup pulled away from the hips and the holding screw bent.
All replaced parts are being held by the hosp for eventual examination.
I am listing below the parts that failed as examined by the hosp and surgeon.
Failure resulted from no bone growth at all to the cup.
Excellent bone growth to the femur with the summit stem with porocoat.
(b)(6) 2012, all parts replaced in the hip revision surgery for failure as follows: tests and results confirmed by hosp lab.
Still holding parts.
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