Patents by Inventor April V. Krivoniak

April V. Krivoniak 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).

  • Publication number: 20240138997
    Abstract: A spinal fixation system includes an expandable disc replacement body and an adjustment mechanism. The expandable disc replacement body includes a first wall, a second wall, a hinge connecting the first wall and the second wall, and a first bone-screw receiving section at a proximal end of the first wall. The adjustment mechanism is positioned between the first wall and the second wall, and an angle between the first wall and the second wall can be varied by movement of the adjustment mechanism.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Brett Freedman, April V. Krivoniak, Kendall D. Dennis
  • Patent number: 11865013
    Abstract: A spinal fixation system includes an expandable disc replacement body and an adjustment mechanism. The expandable disc replacement body includes a first wall, a second wall, a hinge connecting the first wall and the second wall, and a first bone-screw receiving section at a proximal end of the first wall. The adjustment mechanism is positioned between the first wall and the second wall, and an angle between the first wall and the second wall can be varied by movement of the adjustment mechanism.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 9, 2024
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Brett Freedman, April V. Krivoniak, Kendall D. Dennis
  • Publication number: 20220015924
    Abstract: A spinal fixation system includes an expandable disc replacement body and an adjustment mechanism. The expandable disc replacement body includes a first wall, a second wall, a hinge connecting the first wall and the second wall, and a first bone-screw receiving section at a proximal end of the first wall. The adjustment mechanism is positioned between the first wall and the second wall, and an angle between the first wall and the second wall can be varied by movement of the adjustment mechanism.
    Type: Application
    Filed: September 29, 2021
    Publication date: January 20, 2022
    Inventors: Brett Freedman, April V. Krivoniak, Kendall D. Dennis
  • Patent number: 11154404
    Abstract: A spinal fixation system includes an expandable disc replacement body and an adjustment mechanism. The expandable disc replacement body includes a first wall, a second wall, a hinge connecting the first wall and the second wall, and a first bone-screw receiving section at a proximal end of the first wall. The adjustment mechanism is positioned between the first wall and the second wall, and an angle between the first wall and the second wall can be varied by movement of the adjustment mechanism.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: October 26, 2021
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Brett Freedman, April V. Krivoniak, Kendall D. Dennis
  • Publication number: 20190231551
    Abstract: A spinal fixation system includes an expandable disc replacement body and an adjustment mechanism. The expandable disc replacement body includes a first wall, a second wall, a hinge connecting the first wall and the second wall, and a first bone-screw receiving section at a proximal end of the first wall. The adjustment mechanism is positioned between the first wall and the second wall, and an angle between the first wall and the second wall can be varied by movement of the adjustment mechanism.
    Type: Application
    Filed: September 8, 2017
    Publication date: August 1, 2019
    Inventors: Brett Freedman, April V. Krivoniak, Kendall D. Dennis