1
Roger P Jackson: Tools for use in seating spinal rods in open ended implants. Litman McMahon & Brown L L C, February 24, 1998: US05720751 (579 worldwide citation)

A set of tools for use in seating a spinal rod in a rod receiving channel in a head of an open ended spinal surgery implant such as a bone screw, hook or transverse connector wherein each of the tools comprises an implant holder for grasping, holding or engaging an implant, and a pusher assembly inc ...


2
Roger P Jackson: Polyaxial bone screw with spline capture connection. John C McMahon, April 6, 2004: US06716214 (353 worldwide citation)

A polyaxial bone screw having a bone implantable shank, a head and a retaining ring. The retaining ring includes an outer partial hemispherical surface and an inner bore with radially extending channels and partial capture recesses. The shank includes a bone implantable body with an external helical ...


3
Roger P Jackson: Apparatus and method for spinal fixation and correction of spinal deformities. Sofamor S N C, Woodard Emhardt Naughton Moriarty & McNett, January 7, 1997: US05591165 (320 worldwide citation)

This device comprises an connection element (4) between a rod (1), or other longitudinal implant, and a bone anchorage screw (3) in the degenerative vertebra. This connection element (4) includes a ring (8) so dimensioned that the rod (1) is capable of extending therethrough. The ring is provided wi ...


4
Roger P Jackson: Anterior expandable spinal fusion cage system. John C McMahon, December 28, 2004: US06835206 (297 worldwide citation)

An apparatus and method for implanting an intervertebral cage containing a bone graft and fusing adjacent vertebrae together while maintaining or correcting the angular alignment and balance of the spine. An improved method for anterior interbody fusion to form a fused bone segment having a predeter ...


5
Roger P Jackson: Articulated anterior expandable spinal fusion cage system. Marcia J Rodgers, Shughart Thomson & Kilroy P C, February 3, 2004: US06685742 (296 worldwide citation)

An articulated modular spinal fusion cage is implanted in the intervertebral space and adjusted in situ from an anterior access position to support adjacent vertebrae in normal curved alignment. The cage includes a first leg having a cylindrical pivot member and a second leg having a socket. The soc ...


6
Paul J Wisnewski, Roger P Jackson: Implant interconnection mechanism. Danek Medical, Woodward Emhardt Naughton Moriarty & McNett, October 8, 1996: US05562663 (291 worldwide citation)

Spinal implants with features for anchorage in or onto bone or to connectors, have a body with an upwardly opening channel receiving a spinal rod therein. The channel has sidewalls with a curved slot in each of the sidewalls. A cap is mounted on the implant body and has a central portion received in ...


7
Roger P Jackson: Articulated expandable spinal fusion cage system. Marcia J Rodgers, Shughart Thomson & Kilroy P C, September 24, 2002: US06454807 (274 worldwide citation)

An apparatus and method for implanting an articulated spinal fusion cage into the intervertebral space and adjusting the cage in situ to support the adjacent vertebrae in a normal curved alignment. The invention provides a greatly improved modular cage system having a base unit with a pair of socket ...


8
Roger P Jackson, Paul J Wisnewski: Transverse connection for spinal rods. Sofamor Danek Group, Woodard Emhardt Naughton Moriarty & McNett, February 10, 1998: US05716355 (271 worldwide citation)

Four versions of clamps originally slidable along two generally parallel spinal rods are swivel connected to three versions of transverse connectors located between the rods. Set screws lock the transverse connectors to the clamps. Two of the clamp versions use interfitting rotational index locking ...


9
Roger P Jackson: Lockable swivel head bone screw. John C McMahon, April 9, 2002: US06368321 (251 worldwide citation)

A bone screw having a head and a shank. The shank having a ball thereon and the head having a socket for receiving the ball. The ball being externally threaded and the chamber communicating with the exterior of the head through a threaded bore. The ball being threadably received through the bore and ...


10
Roger P Jackson: Anterior expandable spinal fusion cage system. John C McMahon, November 23, 2004: US06821298 (243 worldwide citation)

A fenestrated, hollow intervertebral cage containing a packed, harvested bone graft for fusing adjacent vertebrae together while maintaining or correcting the angular alignment and balance of the spine. Use of the device for an anterior interbody fusion results in a fused bone segment having a prede ...