Tri-City Medical Center, one of 10 hospitals nationwide performing robotic spine surgery using the Mazor Renaissance guidance system, is now one of the first hospitals worldwide to use an enhancement to that system that allows surgeons to immediately verify the placement of implants, significantly diminishing the need for follow-up procedures.
Tri-City and two of its surgeons, Dr. Neville Alleyne and Dr. Payam Moazzaz, participated in a field evaluation of C-OnSite, which enables fast, low-radiation, intra-operative 3-D verification of implant placement.
The application was officially launched internationally in May at a symposium in Amsterdam by Mazor Robotics Ltd., a leader in innovative surgical robots and complementary products for spine surgery. Renaissance is Mazor Robotics' surgical guidance system for spine procedures.
The current standard of care in spine surgery is a post-operative CT to verify accurate placement of pedicle screws. But it occurs after the surgery has been completed, so significant misplacements necessitate a revision surgery.
C-OnSite uses imagery from existing 2-D C-Arm equipment, common in most hospitals, eliminating the need for additional, expensive intra-operative 3-D systems for spine surgery.
Immediately after screw positioning, a 15-second 2-D scan is taken and fused with high-quality images from the preoperative CT. This produces a real time, intra-operative 3-D axial view of the spine showing the exact location of each pedicle screw and its relationship to the spinal canal, enabling immediate evaluation and correction of screw positioning. The process requires no more than five to 10 minutes of additional OR time.
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