K981591 is an FDA 510(k) clearance for the VORTEK URETERAL DOUBLE LOOP STENT, BIOSOFT URETERAL DOUBLE LOOP STENT. Classified as Stent, Ureteral (product code FAD), Class II - Special Controls.
Submitted by International Regulatory Consultants (Salt Lake City, US). The FDA issued a Cleared decision on October 9, 1998 after a review of 158 days - an extended review cycle.
This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.4620 - the FDA gastroenterology and urology device 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.
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