510(k) Report

510(k) · Cleared

Cleared

WatchPAT SW

K254042510(k) TraditionalCleared Jul 31, 2026227-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

Itamar Medical, Ltd. · MNR Ventilatory Effort Recorder

Cleared on Jul 31, 2026 as substantially equivalent to K250460 (Itamar Medical, Ltd., 2025) after a 227-day review. Its family tree reaches back 12 generations to 1992.

Decided
Jul 31, 2026
Review
227 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
1

Its longest line of descent runs back 12 generations to K913396 (1992). 53 ancestors in all, the oldest K830295 (1983). No later device cites it as a predicate yet.

  1. Root · 12 generations backK913396 Cannula Style ThermocouplesPro-Tech, Inc. · 1992
  2. 8 generations between
  3. 3 generations backK222331 WatchPAT300 (WP300)Itamar Medical, Ltd. · 2022
  4. 2 generations backK223675 WatchPAT ONE (WP1)Itamar Medical, Ltd. · 2023
  5. 1 generation backK250460 WatchPAT400 (WP400)Itamar Medical, Ltd. · 2025
  6. This deviceK254042 WatchPAT SWItamar Medical, Ltd. · 2026
Show all 12 generations
  1. Root · 12 generations backK913396 Cannula Style ThermocouplesPro-Tech, Inc. · 1992
  2. 11 generations backK982293 Pressure Transducer Airflow SensorPro-Tech Services, Inc. · 1998
  3. 10 generations backK020607 Sleepflo, Model 101501Biomec, Inc. · 2002
  4. 9 generations backK030379 Aplab, Model 801D0030Sector Medical Corp. · 2003
  5. 8 generations backK041904 Compass F10 SystemMedcare Flaga · 2004
  6. 7 generations backK073682 Embletta GoldEmbla Systems, Inc. · 2008 · Recalled
  7. 6 generations backK122516 Embletta MPREmbla Systems · 2013 · Recalled
  8. 5 generations backK161579 Watch-PAT200UItamar Medical, Ltd. · 2017
  9. 4 generations backK180775 Watch-PAT300Itamar Medical, Ltd. · 2018
  10. 3 generations backK222331 WatchPAT300 (WP300)Itamar Medical, Ltd. · 2022
  11. 2 generations backK223675 WatchPAT ONE (WP1)Itamar Medical, Ltd. · 2023
  12. 1 generation backK250460 WatchPAT400 (WP400)Itamar Medical, Ltd. · 2025
  13. This deviceK254042 WatchPAT SWItamar Medical, Ltd. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K913396Cannula Style ThermocouplesPro-Tech, Inc.1992—
−11K982293Pressure Transducer Airflow SensorPro-Tech Services, Inc.1998—
−10K020607Sleepflo, Model 101501Biomec, Inc.2002—
−9K030379Aplab, Model 801D0030Sector Medical Corp.2003—
−8K041904Compass F10 SystemMedcare Flaga2004—
−7K073682Embletta GoldEmbla Systems, Inc.20081
−6K122516Embletta MPREmbla Systems20131
−5K161579Watch-PAT200UItamar Medical, Ltd.2017—
−4K180775Watch-PAT300Itamar Medical, Ltd.2018—
−3K222331WatchPAT300 (WP300)Itamar Medical, Ltd.2022—
−2K223675WatchPAT ONE (WP1)Itamar Medical, Ltd.2023—
−1K250460WatchPAT400 (WP400)Itamar Medical, Ltd.2025—
0 (this device)K254042WatchPAT SWItamar Medical, Ltd.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198310
198610
199120
199220
199410
199530
199610
199720
199840
199920
200070
200120
200220
200330
200420
200830
201110
201410
202210
FIG. 1 — Lineage of K254042, 1992–2026Source: 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
Get a 510(k) Report

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
*K250460WatchPAT400 (WP400)
Summary page 5
…Recorder, MNR Device Class: Class II Regulation Number: 868.2375 Panel: Anesthesiology Predicate Device: Watch-PAT 400 (“WP400”) (Itamar Medical Ltd), cleared under K250460; product code MNR Reference Device: DeepRESP, NOX Medical, K252330 Purpose of the 510(k) notice ZOLL Itamar is introducing an u…
Itamar Medical, Ltd.2025—
†K252330DeepRESPNox Medical Ehf2025—
†K241960DeepRESPNox Medical Ehf2025—

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 34 years and passes through 8 companies; a new generation was cleared every 3.9 years on median.
  • 4 of the 53 ancestors have a recall of any class.

How does its category compare?

All MNR devices

MNR Ventilatory Effort Recorder: FDA decisions, review times, recalls and adverse event reports over 20 years. 2026, 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 WatchPAT SW analyzes data recorded by WatchPAT devices (WP300, WP1, WP400) and automatically generates respiratory indices, sleep stages, snoring level, and body position. WatchPAT SW is intended for use under the direction of a healthcare professional to aid in the diagnosis of obstructive and central sleep related breathing disorders. Central indices are indicated for use in patients 17 years and older. All other outputs are indicated for 12 years and older.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K254042: WatchPAT SW.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K254042

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026