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Hassan A Serhan: Locking cap assembly for spinal fixation instrumentation. DePuy Acromed, Nutter McClennen & Fish, January 18, 2005: US06843791 (263 worldwide citation)

A locking cap assembly for locking a spinal fixation element to a spinal fixation element receiving body includes an outer and inner locking element. The outer locking element has a proximal mating element, and a engagement element formed on the inner surface adjacent the distal end for engaging a s ...


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Hassan A Serhan, Michael A Slivka, Christopher T Fair: Intervertebral connection system. Depuy Acromed, March 18, 2008: US07344539 (119 worldwide citation)

An intervertebral connection system having a fabric-based conformable ligament is disclosed herein.


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Robert Fraser, John D Malone, Hassan A Serhan, Richard C Techiera: Anterior lumbar interbody fusion cage with locking plate. Depuy Spine, Nutter McClennen & Fish, September 26, 2006: US07112222 (118 worldwide citation)

A spinal fixation assembly is provided including a fusion cage with posterior, anterior, superior, and inferior faces, and a plate having at least one aperture for receiving a bone screw and having a mating element adapted to slidably engage and mate to the anterior face of the fusion cage. The cage ...


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Ian C Burgess, Hassan A Serhan, Michael S Varieur, Felix G Quevedo: Transverse connector. DePuy AcroMed, Maginot Moore & Beck, July 13, 2004: US06761721 (70 worldwide citation)

A transverse connector for a spinal column corrective device for interconnecting two components connectable with vertebrae of a spinal column includes a first member having a body portion and a connector portion extending from the body portion, the connector portion including an opening for receivin ...


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Ian C Burgess, Hassan A Serhan, Michael S Varieur, Felix G Quevedo: Transverse connector. DePuy Orthopaedics, Maginot Moore & Bowman, August 13, 2002: US06432108 (67 worldwide citation)

A transverse connector for a spinal column corrective device for interconnecting two components connectable with vertebrae of a spinal column includes a first member having a body portion and a connector portion extending from the body portion, the connector portion including an opening for receivin ...


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Hassan A Serhan, Andrew Dooris: Annular nucleus pulposus replacement. DePuy Acromed, February 28, 2006: US07004971 (52 worldwide citation)

An annular nucleus pulposus replacement device having a large central cavity.


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Robert Fraser, John D Malone, Hassan A Serhan, Richard C Techiera: Spinal fixation plate. DePuy Spine, Nutter McClennen & Fish, October 26, 2010: US07819903 (40 worldwide citation)

Spinal fixation plates for maintaining adjacent vertebrae in and fixed position are provided. In an exemplary embodiment, the plate includes opposed superior and inferior portions that are angled in a direction anterior to an anterior face of a mid-portion of the plate. The plate also includes a cur ...


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Michael Alan Fisher, Hassan A Serhan, Michael J O Neil: Intra-facet fixation device and method of use. DePuy Spine, Nutter McClennen & Fish, March 13, 2012: US08133261 (23 worldwide citation)

A implantable interference device configured for intra-facet placement within a facet joint is provided. The device includes a shank capable of engaging opposing faces of the facet joint. The shank can further include a head extending from a proximal end of the shank wherein the head is configured t ...


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Michael A Slivka, Hassan A Serhan, Peter Newton: Anchoring systems and methods for correcting spinal deformities. Depuy Spine, March 8, 2011: US07901435 (15 worldwide citation)

Spinal anchoring methods and devices are provided that are effective to correct spinal deformities while allowing some flexibility to the spine. In particular, the methods and devices allow a spinal fixation element to mate to several adjacent vertebrae to maintain the vertebrae at a fixed distance ...