Patents by Inventor Johann Rusdea

Johann Rusdea has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Endoprosthesis for a hip joint, especially for the hip joint of a human being
    Patent number: 4274164
    Abstract: An endoprosthesis for a hip joint is disclosed. The endoprosthesis includes a first cap-shaped, femur head shell which is arranged on the free end of the femur head and partially overlaps the femur head. The first femur head shell has a convex outer side. A shell-shaped pan forms part of the prosthesis which has a concave inner side for supporting the first femur head shell. The pan is arranged on the free end of the acetabulum. A second cap-shaped femur head shell is included which extends outwardly beyond the edge of the first femur head shell. The second femur head shell is arranged between the first femur head shell and the femur head. The various features of the shells and pan are disclosed.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: June 23, 1981
    Assignee: Orthoplant Orthopadische Implantate GmbH & Co. KG
    Inventors: Gunther Rehder, Johann Rusdea