The KAREY-C ® system for total hip arthroplasty has been designed to provide an optimal combination of strength and minimizing geometry setting offering a respectful anatomy in which it is integrated concept. Stem KAREY-C ® is intelligently designed: at its proximal or metaphyseal area, has a progressive trapezoidal geometry allows optimum adaptation of the stem, as well as anti-translational attachment, anti-rotational delivers perfect primary stability prosthetic preventing its collapse. Stem KAREY-C ® is a cemented prosthesis.