Patents Assigned to Mahay & Cie
  • Total prosthesis of the hip
    Patent number: 4051559
    Abstract: A total prosthesis of the hip has a cotyloid portion to be inserted in the hip bone and a cephalic portion to be inserted in the femur, the cephalic portion fitting into the cotyloid portion, and the cephalic portion has a cylindrical helically threaded femoral shank portion to be screwed into the femur and a flat abutment surface perpendicular to the axis of the threaded portion for abutment against a correspondingly prepared surface of the bone.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: October 4, 1977
    Assignee: Mahay & Cie
    Inventor: Marc Laurent Pifferi