Patents by Inventor Dan Ahigren

Dan Ahigren 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).

  • Nerve surveillance cannulae systems
    Publication number: 20070049962
    Abstract: An expandable tip cannula system, comprising: a hollow cannula shaft having a proximal end and a distal end; and an expandable tip mounted at the distal end of the hollow cannula shaft, the expandable tip comprising a plurality of generally-triangular shaped petals held together in a radially-inwardly tapered arrangement between adjacent petals, each petal comprising a nerve sensing electrode disposed therein.
    Type: Application
    Filed: July 18, 2006
    Publication date: March 1, 2007
    Applicant: NuVasive, Inc.
    Inventors: James Marino, Dan Ahigren