Patents by Inventor Robert J. Pawluk

Robert J. Pawluk 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).

  • Anatomically correct prosthesis and method and apparatus for manufacturing prosthesis
    Patent number: 6459948
    Abstract: A joint prosthesis for attachment to a bone of a patient, comprising an anchor with a head surface and a stem for attachment to an end of the bone, the head surface having an anatomically accurate shape.
    Type: Grant
    Filed: October 8, 1999
    Date of Patent: October 1, 2002
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Gerard A. Ateshian, Van C. Mow, Robert J. Pawluk, Melvin P. Rosenwasser
  • Anatomically correct prosthesis and method and apparatus for manufacturing prosthesis
    Patent number: 6126690
    Abstract: A joint prosthesis for attachment to a bone of a patient, comprising an anchor with a head surface and a stem for attachment to an end of the bone, the head surface having an anatomically accurate shape.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: October 3, 2000
    Assignee: The Trustees of Columbia University in the City of New York
    Inventors: Gerard A. Ateshian, Van C. Mow, Robert J. Pawluk, Melvin P. Rosenwasser
  • Dual-taper, asymmetric hole placement in reconstruction and fracture plates
    Patent number: 4955886
    Abstract: The invention relates to a reconstruction or fracture plate for bridging a discontinuity in a patient's long bone, such as a femur and has a central portion for placement over the bone discontinuity, a first end portion having a dual-tapered width and thickness profile having a first plurality of screw holes and a second end portion defining a second plurality of screw holes. The first and second plurality of screw holes each have asymmetrically arrayed centerlines relative to plate longitudinal and transversal axes and the screw holes may have asymetrically arrayed centerlines relative to each other. Both the first and second end portions may have dual-tapered profiles.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: September 11, 1990
    Assignee: The Trustees of Columbia University in the City of New York
    Inventor: Robert J. Pawluk
  • Artificial ligaments
    Patent number: 4255820
    Abstract: An improved artificial ligament is tubular in overall configuration with flared ends, which have a graduated pore density to permit controlled hard and soft tissue ingrowth, and a central portion which prevents tissue ingrowth. The central section of the ligament is elongatable along its longitudinal axis to permit the needed elasticity in use.
    Type: Grant
    Filed: July 24, 1979
    Date of Patent: March 17, 1981
    Inventors: Joel E. Rothermel, Robert J. Pawluk