510(k) Report

510(k) · Cleared

Cleared

Apneacheck

K022294510(k) TraditionalCleared Apr 25, 2003283-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

Im Systems · MNR Ventilatory Effort Recorder

Cleared on Apr 25, 2003 as substantially equivalent to K002135 (Influent, Ltd., 2000) after a 283-day review. Its family tree reaches back 1 generation to 2000. 1 later device descends from it.

Decided
Apr 25, 2003
Review
283 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K002135 (2000). 1 later device descends from it, 1 citing it directly.

Descendants, by generation 1 generation forward: 1 descendant K002135 · Sleepstrip Disposable Apnea Screener · Influent, Ltd. · 20000
  1. Root · 1 generation backK002135 Sleepstrip Disposable Apnea ScreenerInfluent, Ltd. · 2000
  2. This deviceK022294 ApneacheckIm Systems · 2003
  3. Descendant · cites it directly · 0 of its ownK200654 Rubicon SA SystemDymedix Diagnostics, Inc. · 2020

Most influential descendants

Showing 1 of 1 · See all
  • K200654Rubicon SA SystemDymedix Diagnostics, Inc. · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K002135Sleepstrip Disposable Apnea ScreenerInfluent, Ltd.2000—
0 (this device)K022294ApneacheckIm Systems2003—
+1K200654Rubicon SA SystemDymedix Diagnostics, Inc.2020—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
FIG. 1 — Lineage of K022294, 2000–2020Source: 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
*K002135Sleepstrip Disposable Apnea ScreenerInfluent, Ltd.2000—
†K982293Pressure Transducer Airflow SensorPro-Tech Services, Inc.1998—
†K984431Ultima Airflow Pressure SensorBraebon Medical Corp.1998—
†K922112EasyflowEpm Information Systems, Inc.1992—
†K010997PAM-RLIndividual Monitoring Systems, Inc.2001—

Also cleared against K002135: 2 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K200654Rubicon SA SystemDymedix Diagnostics, Inc.20200

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?

  • Its one ancestor has no recall.
  • Of its descendants, K200654 (Dymedix Diagnostics, Inc., 2020) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K002135.

How does its category compare?

All MNR devices

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

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 Sleepcheck is a small monitor designed to assess nasal and oral airflow. Apnea breathing events are counted based on a reduction in airflow. The device is intended for use as a screening device to determine the need for clinical diagnosis and evaluation by polysomnography based on the patient’s score.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K022294: Apneacheck.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K022294

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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