Cleared Traditional

K171993 - Zimmon Needle Knife Papillotome

K171993 is the FDA 510(k) clearance for Zimmon Needle Knife Papillotome by Wilson-Cook Medical Inc./Cook Endoscopy. It is a Class 2 Gastroenterology & Urology device (product code KNS) cleared through the Traditional 510(k) pathway after a 45-day FDA review.

K171993 · Wilson-Cook Medical Inc./Cook Endoscopy · Gastroenterology & Urology device
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Optimized for regulatory review, auditing and printing
Aug 2017
Decision
45d
Days
Class 2
Risk

K171993 is an FDA 510(k) clearance for the Zimmon Needle Knife Papillotome. Classified as Unit, Electrosurgical, Endoscopic (with Or Without Accessories) (product code KNS), Class II - Special Controls.

Submitted by Wilson-Cook Medical Inc./Cook Endoscopy (Winston-Salem, US). The FDA issued a Cleared decision on August 17, 2017 after a review of 45 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.4300 - 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 Wilson-Cook Medical Inc./Cook Endoscopy devices

Submission Details

510(k) Number K171993 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 03, 2017
Decision Date August 17, 2017
Days to Decision 45 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
85d faster than avg
Panel avg: 130d · This submission: 45d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KNS Unit, Electrosurgical, Endoscopic (with Or Without Accessories)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.4300
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 - KNS Unit, Electrosurgical, Endoscopic (with Or Without Accessories)

All 115
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