Cleared Traditional

K902944 - WITTICH NITINOL STONE BASKET (FDA 510(k) Clearance)

Class II Gastroenterology & Urology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K902944 · Cook, Inc. · Gastroenterology & Urology device
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Sep 1990
Decision
69d
Days
Class 2
Risk

K902944 is an FDA 510(k) clearance for the WITTICH NITINOL STONE BASKET. Classified as Dislodger, Stone, Biliary (product code LQR), Class II - Special Controls.

Submitted by Cook, Inc. (Bloomington, US). The FDA issued a Cleared decision on September 12, 1990 after a review of 69 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5010 - 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 Cook, Inc. devices

Submission Details

510(k) Number K902944 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 05, 1990
Decision Date September 12, 1990
Days to Decision 69 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
61d faster than avg
Panel avg: 130d · This submission: 69d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LQR Dislodger, Stone, Biliary
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5010
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 - LQR Dislodger, Stone, Biliary

All 37
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