Cleared Special

K991557 - MEDRAD VISTRON CT INJECTOR SYSTEM (FDA 510(k) Clearance)

Class II Cardiovascular device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K991557 · Medrad, Inc. · Cardiovascular device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1999
Decision
78d
Days
Class 2
Risk

K991557 is an FDA 510(k) clearance for the MEDRAD VISTRON CT INJECTOR SYSTEM. Classified as Injector And Syringe, Angiographic (product code DXT), Class II - Special Controls.

Submitted by Medrad, Inc. (Indianola, US). The FDA issued a Cleared decision on July 21, 1999 after a review of 78 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.1650 - 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. 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.

View all Medrad, Inc. devices

Submission Details

510(k) Number K991557 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 04, 1999
Decision Date July 21, 1999
Days to Decision 78 days
Submission Type Special
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
47d faster than avg
Panel avg: 125d · This submission: 78d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code DXT Injector And Syringe, Angiographic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1650
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 Cardiovascular devices follow this clearance model.

Regulatory Peers - DXT Injector And Syringe, Angiographic

All 206
Devices cleared under the same product code (DXT) and FDA review panel - the closest regulatory comparables to K991557.
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High Pressure Tubing
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Angiography Injector
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Disposable Syringe (Kit)
K242212 · Nemoto Kyorindo Co., Ltd. · Aug 2024