Cleared Special

K091999 - CYBERKNIFE ROBOTIC RADIOSURGERY SYSTEM

K091999 is an FDA 510(k) clearance for CYBERKNIFE ROBOTIC RADIOSURGERY SYSTEM, manufactured by Accuray, Inc.. The device is a Class 2 Radiology device with product code IYE cleared through the Special 510(k) pathway after a 78-day FDA review.

K091999 · Accuray, Inc. · Radiology device
Download Printable Device Report (PDF) Official FDA 510(k) Summary (PDF)
Optimized for regulatory review, auditing and printing
Sep 2009
Decision
78d
Days
Class 2
Risk

K091999 is an FDA 510(k) clearance for the CYBERKNIFE ROBOTIC RADIOSURGERY SYSTEM. Classified as Accelerator, Linear, Medical (product code IYE), Class II - Special Controls.

Submitted by Accuray, Inc. (Sunnyvale, US). The FDA issued a Cleared decision on September 18, 2009 after a review of 78 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.

FDA 510(k) Submission Details - K091999

510(k) Number K091999 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 02, 2009
Decision Date September 18, 2009
Days to Decision 78 days
Submission Type Special
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
29d faster than avg
Panel avg: 107d · This submission: 78d
Pathway characteristics
Modification to existing cleared device.

IYE Device Classification - Class 2, Special Controls

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 716
Devices cleared under the same product code (IYE) and FDA review panel - the closest regulatory comparables to K091999.
TRILOGY MX
K092871 · Varian Medical Systems, Inc. · Nov 2009
PATLOG 2.0
K092939 · Oncolog Medical QA AB · Oct 2009
STELLAR FIDUCIAL MARKER, MODEL GFMIA
K092041 · Stellar Medical, LLC · Oct 2009
OMNIPRO INCLINE
K092018 · Iba Dosimetry GmbH · Sep 2009
160MLC OPTION
K092145 · Siemens Medical Solutions USA, Inc. · Sep 2009
MODEL 1014 PC ELECTROMETER
K092019 · Sun Nuclear Corp. · Sep 2009
K091999 · CYBERKNIFE ROBOTIC RADIOSURGERY SYSTEM
Download PDF FDA Summary Accuray, Inc.