Radiation oncology developer Varian Medical Systems reported that its FramelessArray optical-guidance system is in use at the University of California, San Diego (UCSD).
The technology uses an optical camera to continuously monitor a patient during stereotactic radiosurgery, ensuring proper positioning throughout the procedure, according to Palo Alto, CA-based Varian.
The system utilizes a custom-fabricated headrest, a removable mask, and a bite block that fits in the patient's mouth. A set of reflective markers are attached to the bite block, and these are tracked by the optical camera system, allowing submillimeter adjustments in positioning. Varian said that the technique is much more comfortable than invasive forms of immobilization, and equally accurate as bolted head-frame systems.
By AuntMinnie.com staff writers
September 19, 2006
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