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ZAP Surgical Systems
ZAP Surgical makes ZAP-X, a self-shielded radiosurgery machine that aims beams from thousands of angles at brain tumours, treating brain metastases and meningiomas in one to five outpatient sessions without the concrete bunker or cobalt-60 source that older systems need. It is cleared in the US, Japan and Europe, with installations including Gustave Roussy.
Overview
ZAP Surgical Systems, founded by Stanford neurosurgeon John R. Adler, makes the ZAP-X Gyroscopic Radiosurgery platform for dedicated cranial stereotactic radiosurgery (SRS). A linear accelerator on dual independent gantries delivers non-coplanar beams from thousands of angles with integrated kV imaging. The self-shielded design needs no radiation vault and, unlike Gamma Knife, no cobalt-60 source, lowering cost and allowing installation in outpatient settings. Indications include brain metastases, meningiomas and trigeminal neuralgia, treated in one to five sessions. ZAP-X received FDA 510(k) clearance in 2017, Japan Shonin clearance in 2020 and CE marking in 2021; the ZAP-Axon planning system is also FDA and CE cleared. Installations include Gustave Roussy, Haaglanden Medical Center, several German hospitals and eight systems in China. In November 2024 the company closed a USD 78 million Series E led by Qingdao Baheal Medical.
Headquarters
San Carlos, CA, US
Funding
All startupsGrowth stage
Investors not recorded; see the round sources.
Rounds on record
| Round | Year | Amount | Source |
|---|---|---|---|
| Series E · Led by Qingdao Baheal Medical with participation from other strategic investors | 2024 | $78M | zapsurgical.com |
Amounts only where the cited source states them. Rounds without a public source are not listed.
Stage
Growth stage
Website
Notes
top- Founding year and earlier rounds (Series A to D) are unsourced and omitted. The 3 MV linac detail comes from general product knowledge and is not in the fetched pages; treat as unverified.
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