Nox T3s Recorder - Product Usage: intended for ambulatory… recallZ-0031-2022 · Nox Medical · initiated Sep 7, 2021

Terminated

Is my device affected?

Compare the model, catalog and lot or serial numbers on your device or its packaging with the code information below. A recall usually covers only specific models or lots.
If yours is listed, follow the instructions from Nox Medical or your healthcare provider. The company's action is summarized under what the company is doing.
Do not stop using a prescribed or implanted device on your own — talk to your healthcare provider first.

Where to find your model and lot numbers · What recall classes and statuses mean

Why it was recalled

Error in the device firmware results in the inaccurate detection of device position.

FDA root cause category: Finished device change control

What the company is doing

Written notification letter titled, "URGENT: Medical Device Recall" was sent to all consignees on 09/07/2021. The letter instructs the consignee to follow the following instructions: "Further distribution or use of the affected devices should cease immediately. Devices should be quarantined pending device firmware update, per the instructions below. Due to the potential of inaccurate position-related reporting of TST, TRT, AHI and REI; studies performed with the affected T3s devices should be reanalyzed to determine if this has clinical impact on the patient diagnoses. A Nox Medical technical representative will contact you within 5 business days to schedule a remote session (via videoconference or other means) to upgrade the device firmware. Nox Medical requests that you formally acknowledge receipt of this notice and return the attached Customer / Distributor - Acknowledgement and Receipt Form (Attachment 1). This recall notice needs to be passed on to all those who need to be aware within your organization or to any organization where the potentially affected devices have been transferred. If any affected devices which were in your possession (indicated in Attachment 2: Product Distribution and Information Table) have been transferred, please indicate this and provide as much detail as possible in the Acknowledgement and Receipt Form (Attachment 1)."

Recall details

Recall number: Z-0031-2022
Status: Terminated
Initiated by the company: Sep 7, 2021
Recalling firm: Nox Medical
Quantity: 128 units
Product code: MNR
FDA submissions: K082113
Distribution: US Nationwide distribution in the states of OH, IL, GA, IA, CA, PA, NM, MI, SD.

Product description

Nox T3s Recorder - Product Usage: intended for ambulatory recording of physiological signals during sleep.

Code information (models, lots, serial numbers)

Show the full code information (1k characters)

Catalog Number: 561111; UDI: (01)15694311111443; Serial Numbers: 300106423, 300106426, 300106420, 300106419, 300106422, 300106427, 300106425, 300106424, 300106421, 300106477, 300106485, 300106783, 300106806, 300106841, 300106843 , 300106846, 300106848, 300106852, 300106853, 300106857, 300106862, 300106881, 300106882, 300106883, 300106884, 300106885, 300106886, 300106888, 300106889, 300106890, 300106894, 300106897, 300106912, 300107004, 300106385, 300106396, 300106397, 300106407, 300106413, 300106414, 300106399, 300106415, 300106416, 300106475, 300106476, 300106483, 300106486, 300106494, 300106534, 300106537, 300106538, 300106544, 300106545, 300106547, 300106548, 300106552, 300106648, 300106658, 300106675, 300106677, 300106678, 300106684, 300106754, 300106772, 300106775, 300106807, 300106809, 300106810, 300106812, 300106839, 300106842, 300106849, 300106855, 300106868, 300106891, 300106892, 300106899, 300106909, 300106926, 300106951, 300107003, 300106398, 300106481, 300106542, 300106546, 300106782, 300106910, 300106400, 300106535, 300106536, 300106808, 300106950, 300106469, 300106470, 300106869, 300106854, 300106478, 300106805, 300106811, 300106840, 300106850, 300106856, 300106859, 300106887, 300106893, 300106895, 300106896, 300106898, 300107005, 300106776, 300106781, 300106789, 300106788, 300106833, 300106549, 300106543, 300106557, 300106540, 300106533, 300106556, 300106555, 300106901, 300106786, 300106553, 300106784, 300106541, 300106777, 300106774

Devices named in this recall

1 device in the FDA device registry whose identifier appears in the recall's code information.

Nox T3s Recorder NOX-ASDB1SUS
Nox Medical ehf. · Ventilatory Effort Recorder
1 recall0 reports

Sources and updates

Recall record: FDA Medical Device Recalls, file dated Oct 16, 2026 · View the FDA recall notice ↗
Devices: FDA GUDID, file dated Oct 13, 2026. Devices are linked when their identifier (with a valid check digit) appears in the recall's code information.
Page last rebuilt: Oct 16, 2026. Text above is shown as published by the FDA.

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