Cleared Traditional

K253390 - SOMNUM (SOMNUM)

K253390 is an FDA 510(k) clearance for SOMNUM (SOMNUM), manufactured by Honeynaps Co., Ltd.. The device is a Class 2 Neurology device with product code OLZ cleared through the Traditional 510(k) pathway after a 270-day FDA review.

K253390 · Honeynaps Co., Ltd. · Neurology device
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Jun 2026
Decision
270d
Days
Class 2
Risk

K253390 is an FDA 510(k) clearance for the SOMNUM (SOMNUM). Classified as Automatic Event Detection Software For Polysomnograph With Electroencephalograph (product code OLZ), Class II - Special Controls.

Submitted by Honeynaps Co., Ltd. (Seoul, KR). The FDA issued a Cleared decision on June 27, 2026 after a review of 270 days - an extended review 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: 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 Honeynaps Co., Ltd. devices

FDA 510(k) Submission Details - K253390

510(k) Number K253390 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 30, 2025
Decision Date June 27, 2026
Days to Decision 270 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
122d slower than avg
Panel avg: 148d · This submission: 270d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

OLZ Device Classification - Class 2, Special Controls

Product Code OLZ Automatic Event Detection Software For Polysomnograph With Electroencephalograph
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 882.1400
Definition Automatically Mark Electroencephalograph And Polysomongraph Signals In Order To Aid In Identification Of Such Events And Annotation Of Prolonged Psg Traces; Automatically Calculate Simple Measures Obtained From Recorded Signals (e.g. Magnitude, Time, Frequency And Simple Statistical Measures Of Marked Events); All Output Subject To Verification By Qualified User
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 - OLZ Automatic Event Detection Software For Polysomnograph With Electroencephalograph

All 20
Devices cleared under the same product code (OLZ) and FDA review panel - the closest regulatory comparables to K253390.
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