# ZAP Surgical Systems, Inc.

> ZAP Surgical Systems is a San Carlos, California medical device company that designed and manufactures the ZAP-X Gyroscopic Radiosurgery platform - a self-shielded, vault-free system for non-invasive treatment of brain tumors and other intracranial conditions. Founded by Stanford neurosurgeon and CyberKnife inventor John R. Adler, ZAP is on a mission to democratize stereotactic radiosurgery by eliminating the need for radioactive isotopes and concrete bunkers.

- **Founded:** 2014
- **Headquarters:** San Carlos, California, United States
- **Founders:** John R. Adler, MD (Founder & CEO; Stanford Professor of Neurosurgery; inventor of CyberKnife)
- **Team size:** ~120 employees
- **Products:** ZAP-X Gyroscopic Radiosurgery Platform, ZAP-Axon Radiosurgery Planning System
- **Notable:** Designed and shipped the first dedicated vault-free, cobalt-free stereotactic radiosurgery system, Over 5,000 patients treated globally on the ZAP-X platform, Raised over $159M across four publicly disclosed rounds

## Products & services

- **ZAP-X Gyroscopic Radiosurgery Platform** — Self-shielded, vault-free dedicated radiosurgery system using a dual-gimbaled gantry to direct non-coplanar linear-accelerator beams at intracranial targets. FDA cleared in 2017; first patient treated in 2019.
- **ZAP-Axon Radiosurgery Planning System** — AI-ready treatment planning software for cranial stereotactic radiosurgery. Received U.S. FDA 510(k) and EU CE clearance in 2025.

## Achievements

- Designed and shipped the first dedicated vault-free, cobalt-free stereotactic radiosurgery system
- Over 5,000 patients treated globally on the ZAP-X platform
- Raised over $159M across four publicly disclosed rounds
- ZAP-Axon planning system cleared by FDA and CE in 2025

## Latest updates

- **2025-11** — ZAP-Axon Radiosurgery Planning System received U.S. FDA 510(k) and EU CE clearance.
- **2024-11** — Closed $78M Series E led by Qingdao Baheal Medical.

## Links

- Website: https://zapsurgical.com
- LinkedIn: https://www.linkedin.com/company/zapsurgical
- Twitter/X: https://twitter.com/zapsurgical
- YouTube: https://www.youtube.com/@zapsurgical
- Instagram: https://www.instagram.com/zapsurgical/
- Facebook: https://facebook.com/zapsurgical

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Profile page: https://yespress.io/zap-surgical-systems-inc
Published by YesPress — https://yespress.io
Last updated: 2026-05-22