Patents by Inventor Rainer Gradinger

Rainer Gradinger 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).

  • Bone replacement with different regions of porosities
    Patent number: 5433750
    Abstract: An implant is provided for replacement of bones, especially a joint replacement with an open-mesh three-dimensional structure at least partly covering its surface. The surface structure (1) is in its surface extension divided into at least two discrete zones (A, B, C) with different mesh sizes. After the implantation, bone material grows into the three-dimensional structure. The distribution of the zones of different mesh sizes on the surface of the implant depends on the pore size of the natural spongiosa of the bone onto or into which the implant is to be inserted.
    Type: Grant
    Filed: March 12, 1993
    Date of Patent: July 18, 1995
    Assignee: ESKA Medical GmbH & Co.
    Inventors: Rainer Gradinger, Hans Grundei