Cleared Traditional

NxStage Cartridge Express with Speedswap (K183158) - FDA 510(k) Clearance

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

K183158 · Nxstage Medical, Inc. · Gastroenterology & Urology device
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Aug 2019
Decision
267d
Days
Class 2
Risk

K183158 is an FDA 510(k) clearance for the NxStage Cartridge Express with Speedswap. 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 August 9, 2019 after a review of 267 days - an extended review cycle.

This device falls under the Gastroenterology & Urology FDA review panel, regulated under 21 CFR 876.5860 - 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 Nxstage Medical, Inc. devices

Submission Details

510(k) Number K183158 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 15, 2018
Decision Date August 09, 2019
Days to Decision 267 days
Submission Type Traditional
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
137d slower than avg
Panel avg: 130d · This submission: 267d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

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 91
Devices cleared under the same product code (KDI) and FDA review panel - the closest regulatory comparables to K183158.
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