Cleared Traditional

WARATAH DIGITAL EEG AND SLEEP ACQUISITION DEVICES WITH, OR WITHOUT, PULSE OXIMETRY,CARDINAL DIGITAL EEG AND SLEEP ACQUIS (K990522) - FDA 510(k) Clearance

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 1999
Decision
90d
Days
Class 2
Risk

K990522 is an FDA 510(k) clearance for the WARATAH DIGITAL EEG AND SLEEP ACQUISITION DEVICES WITH, OR WITHOUT, PULSE OXI.... Classified as Standard Polysomnograph With Electroencephalograph (product code OLV), Class II - Special Controls.

Submitted by Lamont Medical, Inc. (Madison, US). The FDA issued a Cleared decision on May 19, 1999 after a review of 90 days - within the typical 510(k) review window.

This device falls under the Neurology FDA review panel, regulated under 21 CFR 882.1400 - the FDA neurology 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 Neurology review framework, consistent with the majority of Class II 510(k) submissions.

View all Lamont Medical, Inc. devices

Submission Details

510(k) Number K990522 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 18, 1999
Decision Date May 19, 1999
Days to Decision 90 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
58d faster than avg
Panel avg: 148d · This submission: 90d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code OLV Standard Polysomnograph With Electroencephalograph
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.1400
Definition Acquire, Display, Store, And Archive Electroencephalographic Signals From The Brain And Other Signals (such As Electromyography, Respiratory And/or Oximetry Signals) For Sleep Recordings. May Also Be Used To Allow On-screen Review, User-controlled Annotation And User-controlled Marking Of Data.
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 Neurology devices follow this clearance model.

Regulatory Peers - OLV Standard Polysomnograph With Electroencephalograph

All 63
Devices cleared under the same product code (OLV) and FDA review panel - the closest regulatory comparables to K990522.
Noxturnal Web
K260585 · Nox Medical Ehf · Mar 2026
Falcon HST
K242447 · Compumedics Limited · Feb 2025
Noxturnal Web
K241288 · Nox Medical Ehf · Dec 2024
HomeSleepTest (HST, HST REM+)
K240700 · Somnomedics GmbH · Dec 2024
Cerebra Sleep System
K213007 · Cerebra Medical , Ltd. · Jul 2022
SOMNOscreen plus
K201054 · Somnomedics GmbH · Aug 2020