Patents by Inventor Robert R. Kenyon

Robert R. Kenyon 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).

  • Prosthetic hip stem implant with torque adapter
    Patent number: 5171324
    Abstract: A prosthetic hip stem implant and torque wrench adapter. The hip stem includes an extraction bore formed through its body and a plurality of recessions formed in the body upper surface. A lip extends outwardly of the body and including alignment indicia for visually aligning the implant during seating. The torque wrench adapter includes a movable arm which is accommodated in the extraction bore of the implant. A pair of protrusions extending downwardly from the adaptor head to engage the implants' recesses. An adjustment screw shifts the arm toward the protrusions to clamp the adapter to the implant.
    Type: Grant
    Filed: June 16, 1992
    Date of Patent: December 15, 1992
    Assignee: Zimmer, Inc.
    Inventors: Donna L. Campana, Perry A. Geremakis, Mark D. Landes, Robert R. Kenyon