Emergence®

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The EMERGENCE cemented cup respects the fundamental of the LFA (low friction arthroplasty) described by Sir John Charnley in 1962:

ultra high molecular weight polyethylene arthroplasty
reduced bearing diameter of 22.2mm or 28mm
wide articulating chamfer in the lower quadrant of the cup favoring the ROM
deep concentric grooves for a long-term fixation to the bone cement
polar cylindrical contact allowing to preserve an even cement mantle around the cup
peripherical flange of diameter larger than the dome
peripheral crenels allowing the pressurization of the cement
circomferential radiloucent wire
holding and implantation instrument indexed to the cup

EVOLUTIS has brought 2 modifications to the original concept :

a version of the articular plan of 15 ° with regard to the equatorial plane of the cup
a PEXEL grade polyethylene (moderately crosslinked) which allows for a reduction of 50 % of the wear with compared with a conventional polyethylene

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