1
Vincent Bryan, Alex Kunzler, Randall Allard, Richard Broman, Anthony Finazzo, Carlos Gil, Elliott Marshall, Leonard Tokish: Implantable joint prosthesis and associated instrumentation. SDGI Holdings, Haynes and Boone, April 11, 2006: US07025787 (212 worldwide citation)

An implantable prosthesis is described having a pair of opposed shells and a central body disposed between the opposed shells wherein the central body and the shells cooperate to limit the motion of the central body with respect to the shells. An assembly for preparing a disc space for the implantat ...


2
Steven C Humphreys, Scott D Hodges, Marc M Peterman, Lukas G Eisermann, Randall Allard: Posterior spinal device and method. July 7, 2009: US07556651 (54 worldwide citation)

An artificial spinal joint for creating at least a portion of a coupling between a superior vertebra and an inferior vertebra comprises a first joint half comprising a first intervertebral articulating assembly, a first rostral connection assembly, and a first caudal connection assembly. The joint f ...


3
Christopher M Patterson, Michael S Veldman, Randall Allard: Variable stiffness support members. Warsaw Orthopedic, January 25, 2011: US07875059 (54 worldwide citation)

Spinal support members having varying stiffnesses are disclosed. In one embodiment, an elongated spinal prosthetic includes a pair of curved elongated portions. The portions are formed of materials having different stiffness characteristics such that the stiffness of the prosthetic varies along its ...


4
Scott D Hodges, Steven C Humphreys, Marc M Peterman, Randall Allard: Split spinal device and method. Warsaw Orthopedic, March 8, 2011: US07901459 (26 worldwide citation)

An artificial spinal joint for creating at least a portion of a coupling between a superior vertebra and an inferior vertebra is disclosed. The artificial spinal joint comprises a first arthroplasty half comprising a first articulating joint replacement component for placement in an intervertebral d ...


5
Greg Marik, Kevin Foley, Tom Francis, Randall Allard: Constrained artificial spinal disc. December 29, 2009: US07637955 (14 worldwide citation)

An intervertebral implant comprises a first member for engaging a first vertebral body and a second member for engaging a second vertebral body. The first member has a first surface with a first curve, and the second member has a second surface with a second curve. The first member is translatable w ...


6
Chris Hughes, Randall Allard, Robert Rice: Revision spacer. Warsaw Orthopedic, November 15, 2011: US08057545 (11 worldwide citation)

An intervertebral fusion device for promoting fusion of first and second vertebrae comprises first and second endplate modules. Each endplate module includes an outer surface adapted to interface with vertebral bone and an opposite inner surface. The endplate modules further include an attachment fe ...


7
William Sears, Randall Allard, Hai Trieu, Frank Bono: System and method for stabilizing a prosthetic device. Warsaw Orthopedic, October 5, 2010: US07806933 (5 worldwide citation)

A motion-preserving implant device for insertion between two bones is disclosed. The motion-preserving implant includes a first plate for engaging with a first bone and a second plate for engaging with a second bone. An articulation member is positioned between the two plates and a motion-controllin ...


8
Aurelien Bruneau, Eric C Lange, Kent M Anderson, Randall Allard: Apparatus for insertion between anatomical structures and a procedure utilizing same. Warsaw Orthopedic, November 1, 2011: US08048119 (4 worldwide citation)

A surgical procedure and apparatus according to which force is applied to a member to compress the member, and the member is retained in its compressed state while it is inserted between two anatomical structures. The member is then allowed to move from its compressed state towards its original stat ...


9
Randall Allard, Robert S Biscup, Thomas Carls, Jason Eckhardt, Tom Francis, Clayton G Leroux, Robert B Rice: Methods of spinal nucleus replacemennt. Warsaw Orthopedic, April 21, 2015: US09011538 (3 worldwide citation)

A multi-piece intervertebral disc augmentation implant that may be assembled within the annulus fibrosus is disclosed. The implant may be guided into a precise location through a relatively small opening in the annulus fibrosus with the aid of an elongated guide.


10
Randall Allard, Robert S Biscup, Thomas Carls, Jason Eckhardt, Tom Francis, Clayton G Leroux, Robert B Rice: Spinal nucleus replacement implants. Warsaw Orthopedic, June 30, 2015: US09066816 (1 worldwide citation)

A multi-piece intervertebral disc augmentation implant that may be assembled within the annulus fibrosus is disclosed. The implant may be guided into a precise location through a relatively small opening in the annulus fibrosus with the aid of an elongated guide.