510(k) Report

510(k) · Cleared

Cleared

Apnea Risk Evaluation System (ARES), Model 620

K160499510(k) TraditionalCleared Apr 24, 2017426-day reviewClass II21 CFR 868.2375

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Watermark Medical · MNR Ventilatory Effort Recorder

Cleared on Apr 24, 2017 as substantially equivalent to K111194 (Advanced Brain Monitoring, Inc., 2011) after a 426-day review. Its family tree reaches back 4 generations to 1987.

Decided
Apr 24, 2017
Review
426 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to K873535 (1987). 14 ancestors in all. No later device cites it as a predicate yet.

Other ancestors, by year cleared 2011: 1 other ancestor2009: 1 other ancestor2007: 1 other ancestor2003: 1 other ancestor2004: 2 other ancestors2001: 1 other ancestor2000: 2 other ancestors1992: 1 other ancestorK873535 · Nicolet Expert Sleep/Wake Analysis System · Nicolet Biomedical Instruments · 1987K955841 · Sleep System for Clinics & Research · Compumedics Ptd, Ltd. · 1997K072201 · Compumedics Somte PSG Recording System · Compumedics Limited · 2008K111194 · Apnea Risk Evaluation System (Ares) · Advanced Brain Monitoring, Inc. · 20111985199019952000200520102015
  1. Root · 4 generations backK873535 Nicolet Expert Sleep/Wake Analysis SystemNicolet Biomedical Instruments · 1987
  2. 3 generations backK955841 Sleep System for Clinics & ResearchCompumedics Ptd, Ltd. · 1997
  3. 2 generations backK072201 Compumedics Somte PSG Recording SystemCompumedics Limited · 2008
  4. 1 generation backK111194 Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc. · 2011
  5. This deviceK160499 Apnea Risk Evaluation System (ARES), Model 620Watermark Medical · 2017
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K873535Nicolet Expert Sleep/Wake Analysis SystemNicolet Biomedical Instruments1987—
−3K955841Sleep System for Clinics & ResearchCompumedics Ptd, Ltd.1997—
−2K072201Compumedics Somte PSG Recording SystemCompumedics Limited2008—
−1K111194Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc.2011—
0 (this device)K160499Apnea Risk Evaluation System (ARES), Model 620Watermark Medical2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
200020
200110
200310
200420
200710
200910
201110
FIG. 1 — Lineage of K160499, 1987–2017Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in MNR? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new MNR device

  1. #1 K244027 Sansa Hsatscore 18.1 · 12 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (1)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K111194Apnea Risk Evaluation System (Ares)
Summary page 4
…: ARES Classification Names: 868.2375 Ventilatory Effort Recorder. Class II Product Code: MNR Predicate Device: K111194 Apnea Risk Evaluation System (ARES), Model 610 Device Description: The Apnea Risk Evaluation System (ARESTM) includes a battery…
Advanced Brain Monitoring, Inc.2011—

Also cleared against K111194: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 30 years and passes through 5 companies; a new generation was cleared every 9.4 years on median.
  • 1 of the 14 ancestors has a recall of any class.
  • 1 other device also cites its predicate K111194.

How does its category compare?

All MNR devices

MNR Ventilatory Effort Recorder: FDA decisions, review times, recalls and adverse event reports over 20 years. 2017, this device’s year, is highlighted.

FDA decisions per year · MNR

10in 2025

2007: 62008: 142009: 82011: 92012: 12013: 42014: 22015: 42016: 32017: 42018: 32019: 82020: 52021: 32022: 72023: 62024: 62025: 102026 (partial year): 5
2007high 14 (2008) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MNR

165in 2025

2007: 124 days median2008: 118 days median2009: 89 days median2011: 90 days median2013: 161 days median2015: 229 days median2016: 281 days median2017: 275 days median2018: 147 days median2019: 383 days median2020: 192 days median2021: 137 days median2022: 266 days median2023: 183 days median2024: 217 days median2025: 165 days median2026 (partial year): 227 days median
2007high 383 (2019) · low 89 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · MNR

1in 2021

2007: 22009: 12011: 12021: 12026 (partial year): 1
2007high 2 (2007) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · MNR

43in 2025

2007: 12010: 12011: 12012: 12014: 12015: 42016: 102017: 42018: 22019: 32020: 52021: 52022: 42023: 132024: 112025: 43
2007high 43 (2025) · low 0 (2008)2025

MAUDE reports naming product code MNR, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007612421
20081411800
200988910
20100—01
201199011
20121—01
2013416100
20142—01
2015422904
20163281010
2017427504
2018314702
2019838303
2020519205
2021313715
2022726604
20236183013
20246217011
202510165043
202652271—

What is it indicated for?

The Apnea Risk Evaluation System (ARES), Model 620 is indicated for use in the diagnostic evaluation by a physician of adult patients with possible sleep apnea. The ARES can record and score respiratory events during sleep (e.g., apneas, hypopneas, mixed apneas and flow limiting events). The device is designed for prescription use in the patient’s home to aid a physician in diagnosing adults with possible sleep-related breathing disorders.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K160499: Apnea Risk Evaluation System (ARES), Model 620.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K160499

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026