RTsafe and ZAP Surgical Forge Strategic Partnership to Promote the Latest Advances in Cranial Radiosurgery

20March 2024

Athens, Greece and San Carlos, California, USA- March 20, 2024

RTsafe, a pioneering leader in advanced radiosurgery medical technology solutions, and ZAP Surgical, the trailblazing developer of the ZAP-X® Gyroscopic Radiosurgery® platform, proudly announce a landmark partnership.

Under the terms of the agreement, RTsafe’s revolutionary phantom technology will be seamlessly integrated into ZAP Surgical’s existing and future global installations. This strategic alliance underscores a shared commitment to excellence, as both organizations strive to deliver unparalleled value to healthcare providers and cranial radiosurgery patients alike.

The cornerstone of this partnership lies in RTsafe’s development of a specialized phantom designed specifically for use with the ZAP-X®platform. This new RTsafe phantom will be officially presented at the International Stereotactic Radiosurgery Society 2024 meeting, in New York City, on May 12th. This innovative solution will play a pivotal role in commissioning, training, educational initiatives, confidence building, periodic quality assurance protocols, and patient-specific quality assurance, reinforcing the state-of-the-art capabilities of ZAP-X.

Evangelos Pappas, Founder of RTsafe, expressed his enthusiasm for the collaboration, stating,“We are thrilled to join forces with ZAP Surgical in this transformative endeavour. By harnessing the power of our advanced phantom technology, we aim to elevate the standard of care in cranial radiosurgery and to highlight the unparalleled value of the ZAP-X platform”.

Renowned neurosurgeon and Founder of ZAP Surgical, Dr. John Adler, echoed Pappas’s sentiments, emphasizing the impact of this partnership on the future of radiosurgical practice. “At ZAP Surgical, we are dedicated to pushing the boundaries of innovation in the field of radiosurgery. By integrating RTsafe’s cutting-edge phantom technology into our systems, we are reinforcing our commitment to excellence and ensuring that clinicians worldwide have access to the most advanced tools for delivering exceptional patient care.”

The collaboration between RTsafe and ZAP Surgical represents a testament to the power of innovation and collaboration in healthcare. Together, these two industry leaders are poised to revolutionize the neurosurgical and radiation oncology practice, and pave the way for a future where precision, safety, and patient outcomes reign supreme.

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About RTsafe

RTsafe is a medical technology company that has developed a unique approach to quality assurance that significantly enhances the safety and accuracy of radiotherapy for cancer and other medical conditions. It combines proven expertise in medical physics with highly accurate 3D printing technology to create pseudo‐in‐vivo dosimetry phantoms towards End‐to‐End commissioning, benchmarking and patient‐specific quality assurance in SRS, IMRT, VMAT and SBRT applications. The anatomically accurate effigies enable medical professionals to plan more precise treatment interventions for each individual patient and help radiotherapy technology innovators to fine‐tune their products. The result is more effective individualized therapy and reduced patient risk.

For more information about RTsafe, see


About ZAP Surgical Systems, Inc.

ZAP Surgical Systems, Inc. designs and manufactures the ZAP-X® Gyroscopic Radiosurgery® platform. ZAP was founded in 2014 by Dr. John R. Adler. In addition to being CEO of ZAP, Dr. Adler is Emeritus Dorothy & TK Chan Professor of Neurosurgery and Radiation Oncology at Stanford University. Dr. Adler is also renowned as the inventor of the CyberKnife® system and founder of Accuray, Inc. The ZAP-X platform incorporates a unique vault-free design that typically eliminates the need for costly shielded treatment rooms.

For more information about ZAP Surgical, see


For media inquiries, please contact Ms. Marianna Liondou | +30 6944 360 641 | [email protected]



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