Patents by Inventor Matthew F. Hanfelt

Matthew F. Hanfelt 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).

  • Spinal rod and screw securing apparatus and method
    Patent number: 8900240
    Abstract: A minimally invasive and open surgery surgical system for implanting spinal screw assemblies to be connected by a spinal rod is disclosed. In one form, the system includes an improved tool device for inserting a cap insert into an initial and final locking of a screw assembly and securing a spinal rod inserted through an incision to a vertebra. In another form, the system also includes a screw fixation system that allows greater variability in thread diameter for orthopedic implant for in the spine, iliac crest, or bones.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: December 2, 2014
    Assignee: Pioneer Surgical Technology, Inc.
    Inventors: John White, Daniel Rae Robinson, Matthew F. Hanfelt, Jason P. Sandstrom, Jeffrey A. Hoffman
  • Spinal Rod and Screw Securing Apparatus and Method
    Publication number: 20110202096
    Abstract: A minimally invasive and open surgery surgical system for implanting spinal screw assemblies to be connected by a spinal rod is disclosed. In one form, the system includes an improved tool device for inserting a cap insert into an initial and final locking of a screw assembly and securing a spinal rod inserted through an incision to a vertebra. In another form, the system also includes a screw fixation system that allows greater variability in thread diameter for orthopedic implant for in the spine, iliac crest, or bones.
    Type: Application
    Filed: February 11, 2011
    Publication date: August 18, 2011
    Inventors: John White, Daniel Rae Robinson, Matthew F. Hanfelt, Jason P. Sandstrom, Jeffrey A. Hoffman