Cleared Traditional

K033475 - WIRELESS INPUT UNIT

K033475 is an FDA 510(k) clearance for WIRELESS INPUT UNIT, manufactured by Nihon Kohden America, Inc.. The device is a Class 2 Neurology device with product code OLV cleared through the Traditional 510(k) pathway after a 65-day FDA review.

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Jan 2004
Decision
65d
Days
Class 2
Risk

K033475 is an FDA 510(k) clearance for the WIRELESS INPUT UNIT, MODEL WEE-1000A SERIES. Classified as Standard Polysomnograph With Electroencephalograph (product code OLV), Class II - Special Controls.

Submitted by Nihon Kohden America, Inc. (Foothill, US). The FDA issued a Cleared decision on January 7, 2004 after a review of 65 days - a notably fast clearance cycle.

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: 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 Nihon Kohden America, Inc. devices

FDA 510(k) Submission Details - K033475

510(k) Number K033475 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 03, 2003
Decision Date January 07, 2004
Days to Decision 65 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
83d faster than avg
Panel avg: 148d · This submission: 65d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

OLV Device Classification - Class 2, Special Controls

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 27
Devices cleared under the same product code (OLV) and FDA review panel - the closest regulatory comparables to K033475.
EEG-1100A SWITCH BOX
K073491 · Nihon Kohden America, Inc. · Jan 2008
CEEGRAPH/SLEEPSCAN NETLINK TRAVELER
K052066 · Bio-Logic Systems Corp. · Aug 2005
ELECTRODE JUNCTION BOX, MODEL JE-921A
K050833 · Nihon Kohden America, Inc. · Apr 2005
XLTEK SLEEP SYSTEM
K022037 · Excel Tech. , Ltd. · Sep 2002
PSG INPUT BOX, MODEL JE-912AK
K022121 · Nihon Kohden America, Inc. · Jul 2002
SOMNO STAR & SERIES SLEEP SYSTEM
K012085 · Sensor Medics Corp. · Aug 2001