1
William Frasier, Paul Beaudoin: Surgical reactors and methods of minimally invasive surgery. Depuy Spine, July 20, 2010: US07758501 (54 worldwide citation)

A surgical retractor includes a plurality of blade assemblies interconnected by a plurality of racks. One or more of the blade assemblies is movable along a rack to selectively expand the retractor. At least one of the blade assemblies includes a blade that is rotatably connected to the blade assemb ...


2
Anne Drzyzga, William Frasier, Michael Zajack, Michael DeFusco, Connie Marchek, Nicholas Pavento, Ginger Boyer, Sara Dziedzic: Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery. DePuy Spine, April 5, 2011: US07918792 (46 worldwide citation)

A surgical retractor for use with a spinal stabilization system including a plurality of bone anchors and a plurality of anchor extensions. The surgical retractor includes a frame positionable between a first anchor extension connected to a first bone anchor implanted in a first vertebra and a secon ...


3
Douglas Raymond, Shinikequa White, Richard Pellegrino, Anthony Carlone, William Frasier, Connie Marchek, Brian Murphy, Stephen Connolly, Nicholas Pavento, Sara Dziedzic: Expandable ports and methods for minimally invasive surgery. Depuy Spine, September 29, 2009: US07594888 (42 worldwide citation)

An expandable port for minimally invasive surgery includes a first section, a second section, and at least one intermediate section. The port is expandable from a closed configuration in which the first section is proximate the second section along at least a portion of a length of the first section ...


4
William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau, Thomas Runco, Nicholas Pavento: Surgical access devices and methods of minimally invasive surgery. Depuy Spine, July 19, 2011: US07981031 (35 worldwide citation)

A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately pa ...


5
Connie Marchek, William Frasier, Anne Kothari, Sara Dziedzic, Holly Brideau, Thomas J Runco, Nicholas Pavento, Paul Beaudoin: Surgical retractors and methods of minimally invasive surgery. DePuy Synthes Products, David A Lane Jr, August 27, 2013: US08517935 (9 worldwide citation)

A surgical retractor includes a plurality of blade assemblies interconnected by a plurality of racks. One or more of the blade assemblies is movable along a rack to selectively expand the retractor. At least one of the blade assemblies includes a blade that is rotatably connected to the blade assemb ...


6
William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau, Thomas J Runco, Nicholas Pavento: Surgical access devices and methods of minimally invasive surgery. DePuy Synthes Products, David A Lane Jr, October 8, 2013: US08550995 (4 worldwide citation)

A surgical access device includes a proximal frame of fixed construction and a plurality of tissue engaging blades connected to the frame. The plurality of tissue engaging blades may include a first blade that is rotatable, independent of other blades, about an axis that is oriented approximately pa ...


7
William Frasier, Michael A Fisher, John Riley Hawkins: Minimally invasive intervertebral staple distraction devices. DePuy Spine, March 26, 2013: US08403988 (4 worldwide citation)

Multiple, small, staple-like supports are inserted through a small tube into the disc space then rotated into position on the edge of the vertebral bodies. The tooth-like geometry of the proximal and distal faces of these staples mates with the outer edge of the vertebral body, extending past the fr ...


8
William Frasier, Michael A Fisher, John Riley Hawkins: Minimally invasive intervertebral staple distraction devices. DePuy Sunthes Products, April 1, 2014: US08685097 (3 worldwide citation)

Multiple, small, staple-like supports are inserted through a small tube into the disc space then rotated into position on the edge of the vertebral bodies. The tooth-like geometry of the proximal and distal faces of these staples mates with the outer edge of the vertebral body, extending past the fr ...


9
William Frasier, Michael J O Neil, Hassan Serhan, Henri Defossez, Thibault Chandanson: Polyaxial articulating instrument. DePuy Synthes Products, July 17, 2018: US10022245

A polyaxial instrument suitable for preparing the intervertebral disc space of a patient through an anterior, posterior, transforaminal or anterolateral approach. The trial can be partially inserted into a disc space and then its angle adjusted to ease its further insertion into the disc space. The ...


10
William Frasier, Narendren Renganathan, Glen Presbrey, Michael A Fisher, John Riley Hawkins: Expandable ring intervertebral fusion device. DePuy Synthes Products, April 11, 2017: US09615933

An expandable tube having a substantially semicircular unexpanded shape is inserted into the disc space after the disc material has been removed therefrom. A plurality of expandable lockable rings are passed over this tube in their unexpanded states and positioned along the anterior edge of the endp ...