Cad Cam Socket

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- Discussion:
    - AKA - NSNA, Cat-Cam, with a narrower medial - lateral designs will share load w/ gluteal structures
          & greater trochanteric;
          - ischium and the ramus are contained within the socket of these newer, more anatomic,
                  and more functional designs;
    - narrow medial-lateral above knee socket designs attempt to solve the problems of quadrilateral socket
          by contouring posterior wall to set the ischium down inside the socket, not up on brim;
    - wt is transferred to the gluteal muscle mass and lateral thigh instead of the ischium;
    - eliminates need for anterior pressure from high anterior wall;
    - attention is then focused on a narrow medial lateral contour to attempt to better hold the
          femur in adduction, and to minimize the relative motion between the limb and the socket;

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