Cleared Traditional

K851955 - SAVARY-GILLIARD DILATOR

K851955 is an FDA 510(k) clearance for SAVARY-GILLIARD DILATOR, manufactured by Wilson-Cook Medical, Inc.. The device is a Class 2 Gastroenterology & Urology device with product code KNQ cleared through the Traditional 510(k) pathway after a 83-day FDA review.

K851955 · Wilson-Cook Medical, Inc. · Gastroenterology & Urology device
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Jul 1985
Decision
83d
Days
Class 2
Risk

K851955 is an FDA 510(k) clearance for the SAVARY-GILLIARD DILATOR. Classified as Dilator, Esophageal (product code KNQ), Class II - Special Controls.

Submitted by Wilson-Cook Medical, Inc. (Winston-Salem, US). The FDA issued a Cleared decision on July 25, 1985 after a review of 83 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5365 - 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. devices

FDA 510(k) Submission Details - K851955

510(k) Number K851955 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 03, 1985
Decision Date July 25, 1985
Days to Decision 83 days
Submission Type Traditional
Review Panel Gastroenterology & Urology (GU)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
48d faster than avg
Panel avg: 131d · This submission: 83d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KNQ Device Classification - Class 2, Special Controls

Product Code KNQ Dilator, Esophageal
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5365
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 - KNQ Dilator, Esophageal

All 28
Devices cleared under the same product code (KNQ) and FDA review panel - the closest regulatory comparables to K851955.
PORGES STEPPED NEOPLEX DILATOR
K883526 · Porges Corp. · Oct 1988
KEYMED FLEXIBLE ESOPHAGEAL DILATORS
K862000 · Keymed, Inc. · Aug 1986
AMERICAN DILATATION SYSTEM
K853274 · American Endoscopy, Inc. · Oct 1985
ESOPHAGEAL BOUGIES
K830991 · Medovations, Inc. · Jun 1983
TRI-DILS-TRIPLE OLIVE-ESOPHAGEAL DILATOR
K830586 · Keymed, Inc. · Mar 1983
CELESTIN DILATOR
K812289 · Inmed Corp. · Sep 1981