K033451 is an FDA 510(k) clearance for the HEARTRAK SMART AT/HEARTRAK SMART2. Classified as Transmitters And Receivers, Electrocardiograph, Telephone (product code DXH), Class II - Special Controls.
Submitted by Universal Medical, Inc. (Philadelphia, US). The FDA issued a Cleared decision on February 5, 2004 after a review of 98 days - within the typical 510(k) review window.
This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2920 - the FDA cardiovascular device 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. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.