Cleared Traditional

K913603 - FIBRETWINS

K913603 is an FDA 510(k) clearance for FIBRETWINS, manufactured by Oral-B Laboratories. The device is a Class 2 Gastroenterology & Urology device with product code KNT cleared through the Traditional 510(k) pathway after a 47-day FDA review.

K913603 · Oral-B Laboratories · Gastroenterology & Urology device
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Sep 1991
Decision
47d
Days
Class 2
Risk

K913603 is an FDA 510(k) clearance for the FIBRETWINS. Classified as Tubes, Gastrointestinal (and Accessories) (product code KNT), Class II - Special Controls.

Submitted by Oral-B Laboratories (Redwood City, US). The FDA issued a Cleared decision on September 30, 1991 after a review of 47 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5980 - the FDA gastroenterology and urology device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Oral-B Laboratories devices

FDA 510(k) Submission Details - K913603

510(k) Number K913603 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 14, 1991
Decision Date September 30, 1991
Days to Decision 47 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
83d faster than avg
Panel avg: 130d · This submission: 47d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KNT Device Classification - Class 2, Special Controls

Product Code KNT Tubes, Gastrointestinal (and Accessories)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5980
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 Gastroenterology & Urology devices follow this clearance model.

Regulatory Peers - KNT Tubes, Gastrointestinal (and Accessories)

All 302
Devices cleared under the same product code (KNT) and FDA review panel - the closest regulatory comparables to K913603.
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FLEXIFLO ENTERAL FEEDING TUBE
K910382 · Abbott Laboratories · Aug 1991
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K911897 · E-Z-Em, Inc. · Jul 1991