510(k) Report

510(k) · Cleared

Cleared

AcuPebble Ox (200)

K243092510(k) TraditionalCleared Mar 19, 2025170-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

Acurable Limited · MNR Ventilatory Effort Recorder

Cleared on Mar 19, 2025 as substantially equivalent to K222950 (Acurable Limited, 2023) after a 170-day review. Its family tree reaches back 5 generations to 2000.

Decided
Mar 19, 2025
Review
170 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K002135 (2000). No later device cites it as a predicate yet.

  1. Root · 5 generations backK002135 Sleepstrip Disposable Apnea ScreenerInfluent, Ltd. · 2000
  2. 4 generations backK112822 Sleepstrip IIS.L.P., Ltd. · 2011
  3. 3 generations backK173974 DrowzleResonea, Inc. · 2019
  4. 2 generations backK210480 AcuPebble SAAcurable Limited · 2021
  5. 1 generation backK222950 AcuPebble OX100Acurable Limited · 2023
  6. This deviceK243092 AcuPebble Ox (200)Acurable Limited · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K002135Sleepstrip Disposable Apnea ScreenerInfluent, Ltd.2000—
−4K112822Sleepstrip IIS.L.P., Ltd.2011—
−3K173974DrowzleResonea, Inc.2019—
−2K210480AcuPebble SAAcurable Limited2021—
−1K222950AcuPebble OX100Acurable Limited2023—
0 (this device)K243092AcuPebble Ox (200)Acurable Limited2025—
FIG. 1 — Lineage of K243092, 2000–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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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
*K222950AcuPebble OX100
Summary page 6
…ebble Ox200 comprises: 1- A small microphones/accelerometer sensor, identical to the one in the previously cleared devices AcuPebble SA100 (K210480) and AcuPebble Ox100 (K222950) that is worn on the front of the neck around the suprasternal notch area (the “AcuPebble SA100 sensor”), and attaches with a sin…
Acurable Limited2023—
†K242798AirmodHeroic Faith International, Ltd.2025—
†K240285Huxley SANSA Home Sleep Apnea Test (1000-00)Huxley Medical2024—

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 25 years and passes through 4 companies; a new generation was cleared every 2.1 years on median.
  • None of the 5 ancestors has a recall.

How does its category compare?

All MNR devices

MNR Ventilatory Effort Recorder: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, 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?

AcuPebble Ox200 is a wearable device intended for use in the recording, analysis, displaying, exporting, and storage of biophysical parameters to aid in the evaluation of adult patients with, or with suspected, obstructive sleep apnea (OSA).The device is primarily intended for home setting use (although can also be used in healthcare settings) under the direction of a Healthcare Professional (HCP).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243092: AcuPebble Ox (200).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K243092

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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