Patents by Inventor Norbert Walker

Norbert Walker 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).

  • Neck-slip-prosthesis
    Patent number: 6706073
    Abstract: A hip prosthesis constructed to transfer forces to the femur without relative movements that cause failures. The prosthesis stem has an open sided central bore. The proximal end of the prosthesis is configured to seat against interior surfaces of the femoral canal and support a femur head on a prosthesis shoulder that seats on the stem proximal end while maintaining the neck of the femur intact.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: March 16, 2004
    Inventors: Klaus Draenert, Norbert Walker
  • Neck- slip-prothese
    Publication number: 20030050706
    Abstract: The invention relates to a uncemented prosthesis having a tension anchor embodied as a thrust rod that is solely anchored internally in the femural neck by means of a conically axial tension anchor in the dorsolateral corticalis. The femural neck is completely preserved in this prosthesis.
    Type: Application
    Filed: July 30, 2001
    Publication date: March 13, 2003
    Inventors: Klaus Draenert, Norbert Walker