Patents by Inventor Donald B. Freeman

Donald B. Freeman 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).

  • Convertible dynamic interspinous process devices and methods for spinal surgery
    Patent number: 11553946
    Abstract: A dynamic interspinous process device for implantation with respect to a first vertebra and an adjacent second vertebra is provided. The dynamic interspinous process device may include a first attachment side and a second attachment side. Each of the first attachment side and second attachment side may include a central portion, a first wing extending from the central portion, a second wing extending from the central portion, and one or more slots extending from an interior side of the respective attachment side to an exterior side of the respective attachment side. The one or more slots of the respective attachment side may be configured to allow the first wing and the second wing to move relative to one another in a direction of a longitudinal axis of the dynamic interspinous process device.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: January 17, 2023
    Assignee: Southern Spine, LLC
    Inventors: David C. Field, Hugh F. Smisson, III, Donald B. Freeman, Tyler Ovington, Brian Vanhiel
  • Convertible Dynamic Interspinous Process Devices and Methods for Spinal Surgery
    Publication number: 20200375634
    Abstract: A dynamic interspinous process device for implantation with respect to a first vertebra and an adjacent second vertebra is provided. The dynamic interspinous process device may include a first attachment side and a second attachment side. Each of the first attachment side and second attachment side may include a central portion, a first wing extending from the central portion, a second wing extending from the central portion, and one or more slots extending from an interior side of the respective attachment side to an exterior side of the respective attachment side. The one or more slots of the respective attachment side may be configured to allow the first wing and the second wing to move relative to one another in a direction of a longitudinal axis of the dynamic interspinous process device.
    Type: Application
    Filed: April 24, 2018
    Publication date: December 3, 2020
    Inventors: David C. Field, Hugh F. Smisson, III, Donald B. Freeman, Tyler Ovington, Brian Vanhiel