Neurology · 510(k) · 2026

SOMNUM (SOMNUM)

Honeynaps Co., Ltd.. Cleared by FDA on 27 June 2026 under submission K253390, product code OLZ (automatic event detection software for polysomnograph with electroencephalograph). What FDA's record says, in FDA's words.

Device record · K253390

  1. Device. SOMNUM (SOMNUM)DEVICE
  2. Company. Honeynaps Co., Ltd. (KR)COMPANY
  3. Decision. 27 June 2026, 510(k), substantially equivalent (traditional review); received 30 September 2025DECISION
  4. Panel. NeurologyPANEL
  5. Product code. OLZ, Automatic Event Detection Software For Polysomnograph With ElectroencephalographCODE
  6. Regulation. 21 CFR 882.1400, Class IIREG
  7. Source. FDA database entry · decision document (23 pages)SOURCE

Retrieved · the fields above are FDA's; the statement below was copied from the decision document on that day.

What FDA cleared it for

The Indications for Use statement, verbatim, from the decision document.

SOMNUM is an AI-enabled software program intended for use as an aid in the diagnosis of sleep and respiratory-related sleep disorders. SOMNUM is intended to be used for analysis — including automatic scoring using AI/ML algorithms for sleep stage classification, arousal detection, respiratory event detection, and leg movement event detection, as well as manual scoring/re-scoring, display, redisplay (retrieve), summarization, and report generation of digital data collected by monitoring devices typically used to evaluate sleep and respiratory-related sleep disorders. The device is to be used under the supervision of a physician. Use is restricted to data obtained from adult patients. Doc. No. 510(k) Summary Confidential – Honeynaps Co., Ltd. Page 4 / 19

K253390, FDA decision document · source

The product code's definition, from FDA's classification record. 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 the statement says

Pattern matches on the Indications for Use text. Each line is a fact that the text contains the words, not a finding about the device.

Adverse-event reports in MAUDE, by product code

As of , MAUDE held 10 reports filed against devices carrying product code OLZ. That code is shared by every device of this type, not this device alone, and MAUDE reports are submitted by manufacturers, facilities and the public without FDA verification. The latest reports, in the reporter’s words:

30 July 2026 · Other · DREAM BAND/ OXI BAND ENSO SLEEP PPG · report MW6000076

PATIENT STATES THAT THE ACCURACY OF THE DREAM BAND/ OXI BAND ENSO SLEEP PPG IS INACCURATE. THE PATIENT HAD ISSUES SLEEPING, VISITED A DOCTOR, AND WAS PROVIDED THE DREAM BAND. SHE STATES THE DEVICE DOES NOT RECORD THE PROPER DATA THAT CAN DIAGNOSE A SLEEP DISORDER. STATES SHE LOOKED UP THE SCIENTIFIC LITERATURE FOR THE DEVICE AND IT SAYS THE BAND CAN NOT BE USED TO DIAGNOSE A SLEEP DISORDER. PATIENT DOES NOT BELIEVE PHYSICIANS SHOULD PROVIDE THIS DEVICE TO PEOPLE WHO ARE LOOKING FOR SOLUTIONS […]

29 October 2025 · Malfunction · ALICE 6, LDXS HEADBOX · RESPIRONICS, INC. · report 2518422-2025-050129

THE MANUFACTURER RECEIVED INFORMATION FROM CUSTOMER IN REFERENCE TO AN ALICE 6, LDXS HEADBOX WITH AN ALLEGATION OF END RENTAL LOANER. THERE WAS NO REPORT OF SERIOUS INJURY OR HARM. THERE IS NO MEDICAL INTERVENTION WAS SPECIFIED. THE DEVICE WAS RETURNED TO THE THIRD-PARTY SERVICE CENTRE. AND OBSERVED THE PCA WITH ELECTRICAL DAMAGE AND ADDITIONAL FAILURES WAS OBSERVED. THE CUSTOMER COMPLAINT WAS NOT REPRODUCED. THERE WAS CHEST STEP ERROR CODE HAS BEEN IDENTIFIED.

11 August 2025 · Malfunction · SLEEPWARE · RESPIRONICS, INC. · report 2518422-2025-108959

THE MANUFACTURER WAS CONTACTED IN REGARDS TO A PATIENT STATING SHE FELT HEAT FROM THE UNIT AND IT MADE A RED BURN MARK ON HER CHEST. THE UNIT PERFORMED/RECORDED THE HSAT TEST AS NORMAL. THE MANUFACTURER'S INVESTIGATION IS ONGOING. A FOLLOW-UP REPORT WILL BE SUBMITTED WHEN THE MANUFACTURER'S INVESTIGATION IS COMPLETE.

10 January 2025 · Malfunction · ALICE 6 · RESPIRONICS, INC. · report 2518422-2025-100390

THIS REPORT IS BEING SUBMITTED TO INCLUDE THE PRODUCT UDI.

11 July 2024 · Malfunction · SOFTWARE UPGRADE · NATUS MEDICAL INCORPORATED · report 9612330-2024-00035

SOFTWARE UPGRADE: SLEEPWORKS 10 REPORTS DATA IS INCORRECT. SPO2 MEAN VALUE IS LOWER THAN STUDY'S MINIMUM SPO2 VALUE.

Where this fits

This page is a record, not medical advice and not a safety rating. It copies FDA's fields and FDA's statement, and lists what the statement's text mentions. Read the labeling before relying on any of it.

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