1
Ryan Donahoe, Shaeffer Bannigan, Benjamin Arnold, Andrew Schifle, Michael Brotman: Spinal implants, instruments and related methods. NuVasive, NuVasive, Jonathan Spangler, Jennifer Russell, September 23, 2014: US08840668 (13 worldwide citation)

A spinal fusion implant having a body dimensioned for use in the cervical spine. The body has an anterior height that is greater than the posterior height and a fusion aperture defined by an anterior wall, posterior wall and first and second lateral walls. The anterior wall includes a plurality of f ...


2
Ryan Donahoe, Andrew Schifle, Michael Barela: Surgical fixation system and related methods. NuVasive, NuVasive, Jonathan Sprangler, Jennifer Russell, December 11, 2012: US08328856 (7 worldwide citation)

A surgical fixation system having an improved mechanism to prevent the back out of screws employed in securing a surgical fixation plate to an intended orthopedic location.


3
Randall G Mast, Alan R Burkholder, Andrew Schifle, Adam Kanter, David O Okonkwo: Lateral retractor system and methods of use. Zimmer Biomet Spine, Schwegman Lundberg & Woessner P A, September 11, 2018: US10070852

Technology disclosed herein relates to retractors and methods of use for surgical procedures, and in particular, spinal surgical procedures. In one embodiment, a surgical retractor includes a pair of pivotable armatures and a translatable armature. A body for supporting the armatures is provided, wi ...


4
Ryan Donahoe, Richard Mueller, Andrew Schifle, Caleb Granger, Matthew Curran, Mark Ojeda, Andrew Schafer, Chad Grant: Surgical Fixation System and Related Methods. December 29, 2011: US20110319943-A1

A surgical fixation system having an improved mechanism to prevent the back out of screws employed in securing a surgical fixation plate to an intended orthopedic location.