Patents by Inventor Gabriel H. TONNESSEN

Gabriel H. TONNESSEN 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).

  • Combination set screw breakoff and tab breaker instrument
    Patent number: 11517357
    Abstract: A surgical system including a combination instrument for breaking of tabs of a reduction connector and providing a counter torque for a driver is disclosed. The combination instrument may have an elongated rigid structure and include an internal shaft and a magazine portion configured to store at least one tab of a reduction connector. The combination instrument may further include a cut-out portion configured to retain the at least one tab within the magazine portion. In some embodiments, the driver may be configured to be inserted into the internal shaft of the combination instrument. In some embodiments, the driver is rotatable within the internal shaft of the combination instrument and configured to drive a set screw within the reduction connector. Disclosed drivers may be manual drivers or powered drivers. Some embodiments, may include a collar or a cap from which the broken off tabs may be ejected.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: December 6, 2022
    Assignee: WARSAW ORTHOPEDIC, INC.
    Inventors: Abel C. Kim, Mark R. Grizzard, Gabriel H. Tonnessen, Richard Q. Brown
  • COMBINATION SET SCREW BREAKOFF AND TAB BREAKER INSTRUMENT
    Publication number: 20220240990
    Abstract: A surgical system including a combination instrument for breaking of tabs of a reduction connector and providing a counter torque for a driver is disclosed. The combination instrument may have an elongated rigid structure and include an internal shaft and a magazine portion configured to store at least one tab of a reduction connector. The combination instrument may further include a cut-out portion configured to retain the at least one tab within the magazine portion. In some embodiments, the driver may be configured to be inserted into the internal shaft of the combination instrument. In some embodiments, the driver is rotatable within the internal shaft of the combination instrument and configured to drive a set screw within the reduction connector. Disclosed drivers may be manual drivers or powered drivers. Some embodiments, may include a collar or a cap from which the broken off tabs may be ejected.
    Type: Application
    Filed: February 3, 2021
    Publication date: August 4, 2022
    Applicant: Warsaw Orthopedic, Inc.
    Inventors: Abel C. KIM, Mark R. GRIZZARD, Gabriel H. TONNESSEN, Richard Q. BROWN