510(k) Report

510(k) · Cleared

Cleared

NightOwl

K213463510(k) SpecialCleared Dec 16, 202150-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

Ectosense NV · MNR Ventilatory Effort Recorder

Cleared on Dec 16, 2021 as substantially equivalent to K191031 (Ectosense NV, 2020) after a 50-day review. Its family tree reaches back 9 generations to 1992. 3 later devices descend from it.

Decided
Dec 16, 2021
Review
50 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
1

Its longest line of descent runs back 9 generations to K913396 (1992). 49 ancestors in all, the oldest K830295 (1983). 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2014: 1 other ancestor2011: 1 other ancestor2008: 3 other ancestors2004: 2 other ancestors2003: 3 other ancestors2002: 2 other ancestors1998: 4 other ancestors1996: 1 other ancestor2001: 2 other ancestors2000: 7 other ancestors1999: 2 other ancestors1997: 2 other ancestors1995: 3 other ancestors1994: 1 other ancestor1992: 2 other ancestors1991: 2 other ancestors1986: 1 other ancestor1983: 1 other ancestor2022: 1 descendant cleared2025: 1 descendant cleared2023: 1 descendant clearedK913396 · Cannula Style Thermocouples · Pro-Tech, Inc. · 1992K982293 · Pressure Transducer Airflow Sensor · Pro-Tech Services, Inc. · 1998K020607 · Sleepflo, Model 101501 · Biomec, Inc. · 2002K030379 · Aplab, Model 801D0030 · Sector Medical Corp. · 2003K041904 · Compass F10 System · Medcare Flaga · 2004K073682 · Embletta Gold · Embla Systems, Inc. · 2008 · recalledK122516 · Embletta MPR · Embla Systems · 2013 · recalledK161579 · Watch-PAT200U · Itamar Medical, Ltd. · 2017K191031 · NightOwl · Ectosense NV · 202019801990200020102020
Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor4 generations back: 1 other ancestor5 generations back: 8 other ancestors6 generations back: 21 other ancestors7 generations back: 7 other ancestors8 generations back: 1 other ancestor9 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 2 descendants K191031 · NightOwl · Ectosense NV · 2020K161579 · Watch-PAT200U · Itamar Medical, Ltd. · 2017K122516 · Embletta MPR · Embla Systems · 2013 · recalledK073682 · Embletta Gold · Embla Systems, Inc. · 2008 · recalledK041904 · Compass F10 System · Medcare Flaga · 2004K030379 · Aplab, Model 801D0030 · Sector Medical Corp. · 2003K020607 · Sleepflo, Model 101501 · Biomec, Inc. · 2002K982293 · Pressure Transducer Airflow Sensor · Pro-Tech Services, Inc. · 1998K913396 · Cannula Style Thermocouples · Pro-Tech, Inc. · 1992−50
  1. Root · 9 generations backK913396 Cannula Style ThermocouplesPro-Tech, Inc. · 1992
  2. 5 generations between
  3. 3 generations backK122516 Embletta MPREmbla Systems · 2013 · Recalled
  4. 2 generations backK161579 Watch-PAT200UItamar Medical, Ltd. · 2017
  5. 1 generation backK191031 NightOwlEctosense NV · 2020
  6. This deviceK213463 NightOwlEctosense NV · 2021
  7. Descendant · cites it directly · 2 of its ownK220028 NightOwlEctosense NV · 2022
  8. Descendant · 2 generations on · 0 of its ownK243268 TipTraQ (TTQ001)Pranaq Pte., Ltd. · 2025
  9. Descendant · 2 generations on · 0 of its ownK222579 Belun Sleep System BLS-100Belun Technology Company Limited · 2023
Show all 9 generations
  1. Root · 9 generations backK913396 Cannula Style ThermocouplesPro-Tech, Inc. · 1992
  2. 8 generations backK982293 Pressure Transducer Airflow SensorPro-Tech Services, Inc. · 1998
  3. 7 generations backK020607 Sleepflo, Model 101501Biomec, Inc. · 2002
  4. 6 generations backK030379 Aplab, Model 801D0030Sector Medical Corp. · 2003
  5. 5 generations backK041904 Compass F10 SystemMedcare Flaga · 2004
  6. 4 generations backK073682 Embletta GoldEmbla Systems, Inc. · 2008 · Recalled
  7. 3 generations backK122516 Embletta MPREmbla Systems · 2013 · Recalled
  8. 2 generations backK161579 Watch-PAT200UItamar Medical, Ltd. · 2017
  9. 1 generation backK191031 NightOwlEctosense NV · 2020
  10. This deviceK213463 NightOwlEctosense NV · 2021

Most influential descendants

Showing 3 of 3 · See all
  • K220028NightOwlEctosense NV · 2022 · cites it directly2descendants
  • K243268TipTraQ (TTQ001)Pranaq Pte., Ltd. · 2025 · 2 generations on0descendants
  • K222579Belun Sleep System BLS-100Belun Technology Company Limited · 2023 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K913396Cannula Style ThermocouplesPro-Tech, Inc.1992—
−8K982293Pressure Transducer Airflow SensorPro-Tech Services, Inc.1998—
−7K020607Sleepflo, Model 101501Biomec, Inc.2002—
−6K030379Aplab, Model 801D0030Sector Medical Corp.2003—
−5K041904Compass F10 SystemMedcare Flaga2004—
−4K073682Embletta GoldEmbla Systems, Inc.20081
−3K122516Embletta MPREmbla Systems20131
−2K161579Watch-PAT200UItamar Medical, Ltd.2017—
−1K191031NightOwlEctosense NV2020—
0 (this device)K213463NightOwlEctosense NV2021—
+1K220028NightOwlEctosense NV2022—
+2K243268TipTraQ (TTQ001)Pranaq Pte., Ltd.2025—
+2K222579Belun Sleep System BLS-100Belun Technology Company Limited2023—

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

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202210
202310
202510
FIG. 1 — Lineage of K213463, 1992–2025Source: 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
*K191031NightOwl
Summary page 5
…t Code/CFR Reference Class II, Ventilatory Effort Recorder, Product Code: MNR; 21 CFR 068.2375 3. PREDICATE DEVICE Predicate: Ectosense’s NightOwl (K191031) 4. DEVICE DESCRIPTION The NightOwl is prescribed by a Health Care Professional for the patient to use in the home as a ‘…
Ectosense NV2020—

Also cleared against K191031: 1 other device →

What descends from it? (3)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K220028NightOwlEctosense NV20222

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 29 years and passes through 9 companies; a new generation was cleared every 3.9 years on median.
  • 4 of the 49 ancestors have a recall of any class.
  • Of its descendants, K220028 (Ectosense NV, 2022) has gone furthest, with 2 descendants of its own.
  • 1 other device also cites its predicate K191031.

How does its category compare?

All MNR devices

MNR Ventilatory Effort Recorder: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, 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 NightOwl is a wearable device intended for use in the recording, analysis, displaying, exporting, and storage of biophysical parameters to aid in the evaluation of sleep-related breathing disorders of adult patients suspected of sleep apnea.

The device is intended for the clinical and home setting use under the direction of a Healthcare Professional (HCP).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K213463: NightOwl.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K213463

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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