Cleared Traditional

K183698 - Zap-X Radiosurgery System (FDA 510(k) Clearance)

Class II Radiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K183698 · Zap Surgical Systems · Radiology device
Feb 2019
Decision
56d
Days
Class 2
Risk

K183698 is an FDA 510(k) clearance for the Zap-X Radiosurgery System. Classified as Accelerator, Linear, Medical (product code IYE), Class II - Special Controls.

Submitted by Zap Surgical Systems (San Carlos, US). The FDA issued a Cleared decision on February 25, 2019 after a review of 56 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.5050 - the FDA radiology and imaging software oversight framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

Submission Details

510(k) Number K183698 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 31, 2018
Decision Date February 25, 2019
Days to Decision 56 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Regulatory Context
Review time vs. panel average
72d faster than avg
Panel avg: 128d · This submission: 56d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code IYE Accelerator, Linear, Medical
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.5050
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Radiology devices follow this clearance model.

Regulatory Peers - IYE Accelerator, Linear, Medical

All 35
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