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Vertebral fixation (also known as "spinal fixation") is an orthopedic surgical procedure in which two or more vertebrae are anchored to each other through a synthetic "vertebral fixation device", with the aim of reducing vertebral mobility and thus avoiding possible damage to the spinal cord and/or spinal roots.
Spinal fusion, also called spondylodesis or spondylosyndesis, is a surgery performed by orthopaedic surgeons or neurosurgeons that joins two or more vertebrae. [1] This procedure can be performed at any level in the spine (cervical, thoracic, lumbar, or sacral) and prevents any movement between the fused vertebrae.
Spinal fusion is usually needed when a curvature reaches 40 degrees. However, there is a window of opportunity for a minimally invasive surgery. The curvature needs to be between 0 and 70 degrees. Minimal rib rotation and only one curve is preferred. Also, minimally invasive spinal fusions are almost always only done in the thoracic region.
The Charité, a mobile core device for use in the lumbar spine, was approved first, in 2004, but is no longer in use. prodisc, the longest continually used disc replacement device in the US, is a fixed core device manufactured by Centinel Spine and was approved in 2006 for the lumbar spine with a cervical device approved in 2007.
It is designed to treat patients diagnosed with common degenerative spinal diseases, including lumbar spinal stenosis, spondylolisthesis, and other facet joint conditions. One of the differences between the TOPS System and traditional fusion surgery is that the TOPS device allows the patient physical stability and a greater range of movement in ...
A large study of spinal stenosis from Finland found the prognostic factors for ability to work after surgery were ability to work before surgery, age under 50 years, and no prior back surgery. The very long-term outcome (mean follow-up time of 12.4 years) was excellent-to-good in 68% of patients (59% women and 73% men).
Fixation in orthopedics is the process by which an injury is rendered immobile. [1] This may be accomplished by internal fixation , using intramedullary rod , Kirschner wire or dynamic compression plate ; or by external fixation , using a spanning external fixator , Taylor Spatial Frame or Ilizarov apparatus .
The spinal cord is the most complex yet organized part of the CNS. The entire spinal structure may be divided into 4 sections that create an overall S-shaped curve. These sections include the cervical, thoracic, lumbar, and sacral regions. Intervertebral discs stacked on top of one another make up the structure of the overall spine. These discs ...