Cleared Traditional

K883591 - MARK-5 CONCENTRATOR

K883591 is the FDA 510(k) clearance for MARK-5 CONCENTRATOR by Nidek Medical Products, Inc.. It is a Class 2 Anesthesiology device (product code CAW) cleared through the Traditional 510(k) pathway after a 71-day FDA review.

K883591 · Nidek Medical Products, Inc. · Anesthesiology device
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Nov 1988
Decision
71d
Days
Class 2
Risk

K883591 is an FDA 510(k) clearance for the MARK-5 CONCENTRATOR. Classified as Generator, Oxygen, Portable within the CAW classification (a category for home-use oxygen therapy and respiratory devices), Class II - Special Controls.

Submitted by Nidek Medical Products, Inc. (Birmingham, US). The FDA issued a Cleared decision on November 2, 1988 after a review of 71 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5440 - the FDA anesthesiology and respiratory 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 Nidek Medical Products, Inc. devices

Submission Details

510(k) Number K883591 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 23, 1988
Decision Date November 02, 1988
Days to Decision 71 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
69d faster than avg
Panel avg: 140d · This submission: 71d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code CAW Generator, Oxygen, Portable
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5440
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 Anesthesiology devices follow this clearance model.

Regulatory Peers - CAW Generator, Oxygen, Portable

All 77
Devices cleared under the same product code (CAW) and FDA review panel - the closest regulatory comparables to K883591.
MODEL 590 OXYGEN CONCENTRATOR
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K890150 · Healthdyne, Inc. · Jan 1989
SILENT PARTNER MODEL 10-2001
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SILENT PARTNER MODEL 10-1001
K861012 · Medical Devices, Inc. · Apr 1986
OXYGEN CONCENTRATOR, MODEL BX-5000
K854374 · Healthdyne, Inc. · Jan 1986