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Dedicated self-shielded Linac-based intracranial radiosurgery device: The ZAP-X
Georg A Weidlich1, Alex E Maslowski1, John R Adler1
1Zap Surgical Systems, Inc., 590 Taylor Way, San Carlos, CA 94070, USA.
Journal of Radiosurgery and SBRT
|April 20, 2026
Summary
The ZAP-X, a novel radiosurgery device, uses a linear accelerator, eliminating the need for cobalt sources and radiation bunkers. This innovation enables precise, faster treatments for brain, head, and neck conditions.
Area of Science:
- Medical Physics
- Neurosurgery
- Radiation Oncology
Background:
- The ZAP-X is a next-generation radiosurgery device utilizing a 3.0 MV S-band linear accelerator.
- It replaces traditional 60Co sources, offering advanced capabilities for head and neck treatments.
Purpose of the Study:
- To characterize the ZAP-X system from physics and application perspectives.
- To highlight its advantages in precision, speed, and cost-effectiveness for radiosurgery.
Main Methods:
- Description of the ZAP-X system, including its linear accelerator and robotic platform.
- Analysis of its integrated radiation-shielding and gyroscopic mechanical structure.
- Evaluation of its suitability for various intracranial and cervical lesions, including functional brain disorders.
Main Results:
- The ZAP-X obviates the need for 60Co sources and radiation bunkers, reducing site preparation time and cost.
- Its design enables precise, conformal, and faster radiosurgery delivery.
- The steep dose gradient is advantageous for treating functional brain disorders.
Conclusions:
- The ZAP-X represents a significant advancement in radiosurgery technology.
- It offers a more accessible, efficient, and precise treatment option for a range of neurological and oncological conditions.
- Its design facilitates broader adoption of advanced radiosurgery techniques.
