Gyroscopic Radiosurgery for the brain

Leveraging unique gyroscopic motion, the ZAP-X® platform opens new frontiers in modern radiosurgery. Combining self-shielding technology with high dose rate linear-accelerator delivery, ZAP-X was created to safely treat more patients in more places.

ZAP-X is what’s next in non-invasive cancer treatment. It enables neurosurgeons and radiation oncologists to change precision radiation for the better. Designed exclusively for the streamlined treatment of brain tumors and conditions of the head and neck, ZAP-X redefines the future of radiosurgery.


As the first-in-kind “vault-free” radiosurgery system, ZAP-X obviates the need for costly and complex radiation bunkers. Enabling simple department expansions, ZAP-X now also makes radiosurgery feasible for point of care delivery at virtually any location—including satellite facilities, physician offices and ambulatory surgery centers.


Using state-of-the-art linear accelerator (LINAC) technology, ZAP-X uniquely provides diverse non-coplanar radiation dose delivery while eliminating the need for live radioactive sources. No more costly source replacements, and no more ongoing regulatory and security burden.

Safety Innovation

With the high dose requirements of radiosurgery, error prevention and patient safety cannot be overstated. With that understanding, ZAP-X provides a novel, fully-integrated dosimetry validation system that monitors and verifies delivered radiation in real time.

Better Economics

Blending significantly lower system, facility and operating expenses with well-established reimbursement, ZAP-X removes historical cost and complexity constraints to now put world-class radiosurgery within reach of more providers, and more patients.


Professor of Neurosurgery and Radiation Oncology at Stanford University, John R. Adler, MD, is the co-inventor of ZAP-X and a renowned pioneer in the field of radiosurgery. Inventor of the CyberKnife® System and founder of Accuray, Inc., Dr. Adler’s life work is focused on finding smarter solutions for physicians and their patients. In 2018, Dr. Adler was awarded the American Association of Neurological Surgeons (AANS) Cushing Award for Technical Excellence and Innovation in Neurosurgery.

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