1
David T Hawkes, David R Warnick, Michael D Ensign: Polyaxial pedicle screw assembly. AlpineSpine, Bryan G Pratt, Rader Fishman & Grauer, November 4, 2008: US07445627 (122 worldwide citation)

A fastener and a bone fixation assembly for the internal fixation of vertebral bodies such as a pedicle screw is provided which allows a detachable tulip to be provisionally locked to a pedicle screw, while separately, the rod securely locks to the tulip. According to one exemplary embodiment, the t ...


2
David T Hawkes, Thomas M Sweeney: Cervical plate for stabilizing the human spine. Ortho Development Corporation, Clayton Howarth & Cannon P C, January 20, 2004: US06679883 (112 worldwide citation)

A dynamic spinal fixation plate assembly includes a spinal plate, a receiving member, and a fastener resulting in a low profile orthopedic device. The plate comprises a plurality of holes for maintaining the receiving member. The relationship between the receiving member and the plate allows the pla ...


3
David R Warnick, Thomas M Sweeney, David T Hawkes, Michael D Ensign: Pivotable interbody spacer system and method. Beacon Biomedical, McHale & Slavin P A, February 22, 2011: US07892239 (32 worldwide citation)

A spinal spacer system includes a handle member, an extension member including a first and a second end, wherein the first end of the extension member is coupled to the handle member. Additionally, a coupling device configured to selectively couple a spacer to the second end of the extension member ...


4
David T Hawkes: Transverse connector. Pioneer Surgical Technology, Fitch Even Tabin & Flannery, November 30, 2010: US07842071 (26 worldwide citation)

A crosslink or connecting assembly is provided to secure multiple spinal rods in relation to each other. The connecting assembly is disposed transversely between two spinal rods and has moveable components for rotating, pivoting, and extending portions of the connecting device in order to accommodat ...


5
David R Warnick, Thomas M Sweeney, David T Hawkes, Michael D Ensign: Pivotable interbody spacer system and method. Beacon Biomedical, McHale & Slavin P A, May 21, 2013: US08444650 (15 worldwide citation)

A spinal spacer system includes a handle member, an extension member including a first and a second end, wherein the first end of the extension member is coupled to the handle member. Additionally, a coupling device configured to selectively couple a spacer to the second end of the extension member ...


6
David T Hawkes, Thomas M Sweeney: Cervical plate for stabilizing the human spine. Ortho Development Corporation, Matthew D Thayne, Stoel Rives, August 3, 2010: US07766947 (13 worldwide citation)

A dynamic spinal fixation plate assembly includes a spinal plate, a receiving member, and a fastener resulting in a low profile orthopedic device. The plate may comprise a hole for maintaining the receiving member. The relationship between the receiving member and the plate may allow the plate to ad ...


7
Michael D Ensign, David T Hawkes: Low profile pedicle screw assembly. K2M, Carter DeLuca Farrell & Schmidt, January 24, 2012: US08100948 (9 worldwide citation)

A pedicle screw and rod assembly is provided which has a low profile in the final position. The pedicle screw includes a screw having a threaded portion and a head portion. A tulip body is positioned on the head portion of the screw. A tulip saddle is coupled to the tulip body and positioned to reta ...


8
David T Hawkes: Active compression orthopedic plate system and method for using the same. Alphatel Spine, Michael R Shevlin, August 9, 2011: US07993380 (9 worldwide citation)

An active compression orthopedic plate includes a first and a second end cross member, at least one center cross member, at least one longitudinal member slideably coupling the first and second end cross member and the at least one center cross member, and a compressive member configured to exert a ...


9
Michael D Ensign, David T Hawkes: Orthopedic plate system and method for using the same. Alphatec Spine, Michael R Shevlin, April 10, 2012: US08152838 (9 worldwide citation)

An orthopedic bone fixation device for stabilizing a plurality of bone segments includes a bone plate and a screw assembly. The bone plate includes a body defining at least one thru-bore, wherein the thru-bore is defined to include a central cavity, the central cavity having a middle diameter, an en ...


10
David T Hawkes, David R Warnick, Michael D Ensign, Thomas M Sweeney: Pedicle screw system configured to receive a straight or curved rod. X spine Systems, Jacox Meckstroth & Jenkins, January 17, 2012: US08097025 (8 worldwide citation)

A fastener and a bone fixation assembly for the internal fixation of vertebral bodies such as a pedicle screw is provided which allows a detachable tulip to be provisionally locked to a pedicle screw in a first position, while securely locking the tulip assembly to the pedicle screw when in a second ...