K193431 is an FDA 510(k) clearance for the AlignRT Plus. Classified as Accelerator, Linear, Medical (product code IYE), Class II - Special Controls.
Submitted by Vision Rt, Ltd. (London, GB). The FDA issued a Cleared decision on January 3, 2020 after a review of 24 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. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.
Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.