SPINAL elements

Syzygy Stabilization System Instructions for Use

6 Pages

LB-157 Rev 20190703 Syzygy Stabilization System PACKAGE INSERT CAUTION: Federal law (USA) restricts these devices to the sale by or on the order of a physician. Implants and disposable instruments single use only. Description: The Syzygy Stabilization System consists of posted screws, couplers, and associated surgical instruments. The system is used in conjunction with the Savannah-T pedicle screw and rod system. The Syzygy posted screws are self-tapping with a cancellous thread design. They are available in cannulated and non-cannulated configurations, in a variety of diameters and lengths. The screws and couplers are manufactured from Ti-6Al-4V (ASTM F136) and are provided non-sterile for single-use. All implantable components are manufactured from medical grade titanium alloy (Ti-6Al-4V per ASTM F136) and are provided non-sterile for single-use. (NOTE: Titanium and stainless steel implants should not be mixed in patients as corrosion may occur resulting in decreased mechanical performance.) The system is to be used with bone graft material to facilitate spinal fusion. Indications for Use: The Syzygy Stabilization System is intended to provide immobilization and stabilization of spinal segments as an adjunct to fusion in the treatment of the following acute and chronic instabilities or deformities of the thoracic, lumbar, and/or sacral spine, specifically as follows: •  When intended for pedicle screw fixation of the non-cervical posterior spine in skeletally mature patients the Syzygy Stabilization System is indicated for one or more of the following: degenerative disc disease (defined as discogenic back pain with degeneration of the disc confirmed by history and radiographic studies); spondylolisthesis; fracture; dislocation; scoliosis; kyphosis; spinal tumor; and/or failed previous fusion (pseudarthrosis).  •  In addition, when used as a pedicle screw fixation system, the Syzygy Stabilization System is indicated for skeletally mature patients having degenerative spondylolisthesis with objective evidence of neurologic impairment and/or severe spondylolisthesis (grades 3 and 4) of the fifth lumbar-first sacral (L5-S1) vertebral joint; who are receiving fusions using autogenous bone graft only; who are having the device fixed or attached to the lumbar and sacral spine (L3 and below); and who are having the device removed after the development of a solid fusion mass.  WARNING: The safety and effectiveness of pedicle screw spinal systems have been established only for spinal conditions with significant mechanical instability or deformity requiring fusion with instrumentation. These conditions are significant mechanical instability or deformity of the thoracic, lumbar, and sacral spine secondary to severe spondylolisthesis (grades 3 and 4) of the L5–S1 vertebra, degenerative spondylolisthesis with objective evidence of neurologic impairment, fracture, dislocation, scoliosis, kyphosis, spinal tumor, and failed previous fusion (pseudarthrosis). The safety and effectiveness of these devices for any other conditions are unknown. The Syzygy components are not to be used with systems or components of another manufacturer. Contraindications include, but are not limited to: • Any abnormality present which affects the normal process of bone remodeling including, but not limited to, severe osteoporosis involving the spine, active infection at the site or certain metabolic disorders affecting osteogenesis. • Insufficient quality or quantity of bone which would inhibit rigid device fixation. • Previous history of infection. • Excessive local inflammation. • Open wounds. • Any neuromuscular deficit which places an unusually heavy load on the device during the healing period.
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