Patents by Inventor Sidney Weisman

Sidney Weisman 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).

  • Interpositioning collar for prosthetic bone insert
    Patent number: 4012796
    Abstract: A collar of a low modulus of elasticity material is interpositioned between the collar of a metal prosthetic hip stem implanted in the intermedullary canal of the femur and the adjacent calcar or outer edge of the bone. A flange depends from the insert between the upper portion of the stem and the inner wall of the bone. The interpositioned collar is either a full elongated tapered O-shape or it is open on one side of a tapered U-shape.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: March 22, 1977
    Assignee: Howmedica, Inc.
    Inventors: Sidney Weisman, Robert F. Cotter