Cleared Traditional

Rezum System (K150786) - FDA 510(k) Clearance

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

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Aug 2015
Decision
155d
Days
Class 2
Risk

K150786 is an FDA 510(k) clearance for the Rezum System. Classified as Unit, Electrosurgical, Endoscopic (with Or Without Accessories) (product code KNS), Class II - Special Controls.

Submitted by Nxthera, Inc. (Maple Grove, US). The FDA issued a Cleared decision on August 27, 2015 after a review of 155 days - an extended review 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Gastroenterology & Urology review framework, consistent with the majority of Class II 510(k) submissions.

View all Nxthera, Inc. devices

Submission Details

510(k) Number K150786 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 25, 2015
Decision Date August 27, 2015
Days to Decision 155 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
25d slower than avg
Panel avg: 130d · This submission: 155d
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 92
Devices cleared under the same product code (KNS) and FDA review panel - the closest regulatory comparables to K150786.
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INJECTION GOLD PROBE BIPOLAR ELECTROHEMOSTASIS CATHETER
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SINGLE USE PRELOADED SPHINCTEROTOME V
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TRUETOME
K122203 · Boston Scientific Corp · Aug 2012