Patents by Inventor James T. Grutta

James T. Grutta 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).

  • Patent number: 10624753
    Abstract: The orthopedic implant locking system may include an eccentric tibial stem having an engagement rod selectively threadingly engageable with a tibial baseplate, a lock housing securable in rotatable and substantial vertical constrained relation relative to the tibial stem, and an extension lock selectively threadingly engageable with the lock housing and including an inner passage keyed to selectively slidably engage the engagement rod in flush engagement therewith. The extension lock may extend or contract in response to rotational movement of the lock housing simultaneously while the extension lock remains in substantial non-rotatable relation relative to the tibial stem.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 21, 2020
    Assignee: Joint Development, LLC
    Inventors: Dermott J. McHugh, Chris A. Weaber, Eric M. Dacus, James T. Grutta
  • Publication number: 20180042729
    Abstract: The orthopedic implant locking system may include an eccentric tibial stem having an engagement rod selectively threadingly engageable with a tibial baseplate, a lock housing securable in rotatable and substantial vertical constrained relation relative to the tibial stem, and an extension lock selectively threadingly engageable with the lock housing and including an inner passage keyed to selectively slidably engage the engagement rod in flush engagement therewith. The extension lock may extend or contract in response to rotational movement of the lock housing simultaneously while the extension lock remains in substantial non-rotatable relation relative to the tibial stem.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 15, 2018
    Inventors: Dermott J. McHugh, Chris A. Weaber, Eric M. Dacus, James T. Grutta
  • Publication number: 20170128097
    Abstract: The broach or rasp holder tool with reduced rasp moment includes an angled strike plate with an optional curved or spheroidal surface and/or an angled withdrawal plate having a contact surface for receiving a generally perpendicular strike force that generally aligns with a point along a rasp for substantially eliminating a moment applied thereto while broaching the intramedullary canal in preparation for implanting a prosthetic stem during joint replacement surgery.
    Type: Application
    Filed: November 7, 2016
    Publication date: May 11, 2017
    Inventors: James T. Grutta, Dermott J. McHugh, Chris A. Weaber
  • Publication number: 20030175520
    Abstract: Formed composite structural members and methods and apparatus for making the same are described. The composite members are formed by using a continuous roll pressing process or apparatus, or a consolidated cold press process. Using these processes, the composite members are formed with a better surface finish using shorter cycle times and without spreading of the tows.
    Type: Application
    Filed: March 13, 2002
    Publication date: September 18, 2003
    Inventors: James T. Grutta, Larry E. Stanley
  • Publication number: 20030173715
    Abstract: Composite structural members, methods, and apparatus for making the same are described. The composite members are formed by resistive heating of the composite material using an electric current with sufficient voltage through the composite. The resistance of the composite material creates an energy loss in the form of heat, melting the matrix of the composite material and allowing the composite material to be shaped in any desired manner.
    Type: Application
    Filed: March 13, 2002
    Publication date: September 18, 2003
    Inventors: James T. Grutta, Larry E. Stanley, Jay Batten