Patents by Inventor James C. Kudrna

James C. Kudrna 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).

  • Press fit acetabular cup and associated method for securing the cup to an acetabulum
    Patent number: 6626947
    Abstract: An acetabular cup and method of securing the acetabular cup to an acetabulum so as to provide a bearing surface for a head portion of a femur is provided. The acetabular cup is shaped to provide a cementless, press-fit into a reamed acetabulum. The acetabular cup is formed of a body having a sidewall defining a radius from a center point of the annular rim to the sidewall wherein the radius increases in length from the apex to said annular rim. The method of securing the acetabular cup first includes reaming the acetabulum with a reamer having a head with a radius of curvature that is less than the radius from the center point to the annular rim of the acetabular cup.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: September 30, 2003
    Assignee: DePuy Orthopaedics, Inc.
    Inventors: Mark B. Lester, Michael C. Jones, James C. Kudrna
  • Press fit acetabular cup and associated method for securing the cup to an acetabulum
    Publication number: 20020040245
    Abstract: An acetabular cup and method of securing the acetabular cup to an acetabulum so as to provide a bearing surface for a head portion of a femur is provided. The acetabular cup is shaped to provide a cementless, press-fit into a reamed acetabulum. The acetabular cup is formed of a body having a sidewall defining a radius from a center point of the annular rim to the sidewall wherein the radius increases in length from the apex to said annular rim. The method of securing the acetabular cup first includes reaming the acetabulum with a reamer having a head with a radius of curvature that is less than the radius from the center point to the annular rim of the acetabular cup.
    Type: Application
    Filed: May 16, 2001
    Publication date: April 4, 2002
    Inventors: Mark B. Lester, Michael C. Jones, James C. Kudrna