Cleared Special

K020858 - NXSTAGE THERAPY SYSTEM

K020858 is an FDA 510(k) clearance for NXSTAGE THERAPY SYSTEM, manufactured by Nxstage Medical, Inc.. The device is a Class 2 Gastroenterology & Urology device with product code KDI cleared through the Special 510(k) pathway after a 30-day FDA review.

K020858 · Nxstage Medical, Inc. · Gastroenterology & Urology device
Download Printable Device Report (PDF) Official FDA 510(k) Summary (PDF)
Optimized for regulatory review, auditing and printing
Apr 2002
Decision
30d
Days
Class 2
Risk

K020858 is an FDA 510(k) clearance for the NXSTAGE THERAPY SYSTEM. Classified as Dialyzer, High Permeability With Or Without Sealed Dialysate System (product code KDI), Class II - Special Controls.

Submitted by Nxstage Medical, Inc. (Lawrence, US). The FDA issued a Cleared decision on April 17, 2002 after a review of 30 days - a notably fast clearance cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5860 - the FDA gastroenterology and urology device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

FDA 510(k) Submission Details - K020858

510(k) Number K020858 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 18, 2002
Decision Date April 17, 2002
Days to Decision 30 days
Submission Type Special
Review Panel Gastroenterology & Urology (GU)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
101d faster than avg
Panel avg: 131d · This submission: 30d
Pathway characteristics
Modification to existing cleared device.

KDI Device Classification - Class 2, Special Controls

Product Code KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 876.5860
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 - KDI Dialyzer, High Permeability With Or Without Sealed Dialysate System

All 333
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