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The SSP Vertebral Body Replacement is a complete or partial vertebral body replacement device intended for use in the thoracolumbar spine (T1 - L5) to provide anterior and middle column support after removal or resection of a damaged, collapsed, or unstable vertebral body due to tumor or trauma (e.g., fracture). The SSP Vertebral Body Replacement is intended to be used with the Specialty Spine Products Pedicle Screw System or with supplemental internal fixation systems cleared for the conditions listed above, and is intended to be used with bone graft. It is designed to provide anterior column support even in the absence of fusion for a prolonged period.

The SSP Vertebral Body Replacement is a hollow cylinder available in either 12 mm or 14 mm diameter, with height ranging from 7 mm to 13 mm in 1 mm increments. The various sizes of these implants accommodate individual patient anatomy and pathology. Wall thickness is approximately 1.5 mm. The wall of the device features an open architecture consisting of one or two rows of circumferential holes (depending on height). The ends are notched circumferentially to form a row of "teeth" along the superior and inferior margins.

The SSP Pedicle Screw System is indicated for the treatment of severe spondylolisthesis (Grade 3 and 4) of the L5-S1 vertebra in skeletally mature patients undergoing fusion by autogenous bone grafting having implants attached to the lumbar and sacral spine with removal of implants after the attainment of a solid fusion. The SSP Pedicle Screw System also is intended to provide immobilization and stabilization of spinal segments in skeletally mature patients as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of thoracic, lumbar, and sacral spine: degenerative spondylolisthesis with objective evidence of neurological impairment, fracture, spinal stenosis, dislocation, scoliosis, kyphosis, lordosis, spinal turnor, pseudoarthrosis, and failed previous fusion.

The SSP Pedicle Screw System is an internal fixation device for spinal surgery consisting of rods, pedicle screws and transverse links. To enable close conformance to patient anatomy, pedicle screws and rods are available in various lengths, diameters, and/or contours. A series of manual surgical instruments (not a subject of this submission) intended to assist the insertion and placement of the implants are provided in an instrument tray.