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Which patients are candidates for the Dynesys System?
The Dynesys System can be used in skeletally mature patients to provide immobilisation and stabilisation of spinal segments. It is used as an adjunct to fusion to treat degenerative slipped disc(s) (spondylolisthesis) in the thoracic, lumbar or sacral regions when there is evidence of resulting neurologic impairment or in the case of a previous failed fusion (pseudarthrosis).
When should the Dynesys System not be used?
The Dynesys System should not be used in the cervical spine or for patients that are obese, pregnant, abuse alcohol or other drugs, or who have:
The Dynesys System can be used in skeletally mature patients to provide immobilisation and stabilisation of spinal segments. It is used as an adjunct to fusion to treat degenerative slipped disc(s) (spondylolisthesis) in the thoracic, lumbar or sacral regions when there is evidence of resulting neurologic impairment or in the case of a previous failed fusion (pseudarthrosis).
When should the Dynesys System not be used?
The Dynesys System should not be used in the cervical spine or for patients that are obese, pregnant, abuse alcohol or other drugs, or who have:
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an active or systemic infection
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mental illness
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severe osteoporosis or osteopenia
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sensitivities or allergies to metals, polymers, polyethylene, polycarbonate urethane and polyethylene terephthalate
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soft tissue deficit
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congenital abnormalities
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tumors
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inadequate pedicles of the thoracic, lumbar and sacral vertebrae
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The Dynesys System is also not appropriate for individuals with any medical or mental condition that puts them at high risk from surgery of this severity, those with a condition that will not allow them to benefit from the surgery or decrease the useful life of the device, and those who are unwilling or unable to follow post-operative instructions.
What does surgery with the Dynesys System involve?
The Dynesys System is compatible with conventional surgical techniques, and in some cases can be implanted using a minimally invasive approach. On average, the procedure to implant the Dynesys System takes two to three hours which is similar to the time required for traditional fusion procedures.
During the procedure, the surgeon removes portions of the affected disc(s) and bone from the spine. The Dynesys System is then attached to the bony extrusion (pedicle) on each side of the affected vertebrae. Once in place, the components create a dynamic push-pull relationship that stabilises the affected joints and keeps your vertebrae in a natural position. Bone is the most commonly used material to help promote fusion and will be added to achieve the desired fusion.
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What does surgery with the Dynesys System involve?
The Dynesys System is compatible with conventional surgical techniques, and in some cases can be implanted using a minimally invasive approach. On average, the procedure to implant the Dynesys System takes two to three hours which is similar to the time required for traditional fusion procedures.
During the procedure, the surgeon removes portions of the affected disc(s) and bone from the spine. The Dynesys System is then attached to the bony extrusion (pedicle) on each side of the affected vertebrae. Once in place, the components create a dynamic push-pull relationship that stabilises the affected joints and keeps your vertebrae in a natural position. Bone is the most commonly used material to help promote fusion and will be added to achieve the desired fusion. Back to top
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At rest: The Dynesys System supports an intervertebral joint |
Flexion: The Dynesys System supports the affected joint as the spine bends forward |
Extension: It also supports the joints as the spine bends backwards |
Dynesys® Dynamic Stabilisation
How can the Dynesys System help?
The Dynesys System is a pedicle-screw fixation system, an implant device consisting of a spacer, cord and pedicle screw. It offers a unique approach to stabilisation and mobilisation of the spine and pain relief -- a "dynamic" approach -- that relies on flexible materials and preserves much of the spinal anatomy.
How can the Dynesys System help?
The Dynesys System is a pedicle-screw fixation system, an implant device consisting of a spacer, cord and pedicle screw. It offers a unique approach to stabilisation and mobilisation of the spine and pain relief -- a "dynamic" approach -- that relies on flexible materials and preserves much of the spinal anatomy.
