K133152 is an FDA 510(k) clearance for the JTS EXTENDIBLE DISTAL FEMORAL IMPLANT. Classified as Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer (product code KRO), Class II - Special Controls.
Submitted by Stanmore Implants Worldwide , Ltd. (Washington, US). The FDA issued a Cleared decision on January 22, 2014 after a review of 61 days - a notably fast clearance cycle.
This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3510 - the FDA orthopedic device regulatory 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.