510(k) Report

510(k) · Cleared

Cleared

Alice PDX

K090484510(k) TraditionalCleared Jun 26, 2009121-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

Respironics Inc., Sleep & Home Respiratory Group · MNR Ventilatory Effort Recorder

Cleared on Jun 26, 2009 after a 121-day review. The FDA summary names its predicate without a number. 79 later devices descend from it.

Decided
Jun 26, 2009
Review
121 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
0

79 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2011: 1 descendant cleared2023: 8 descendants cleared2019: 4 descendants cleared2013: 5 descendants cleared2017: 5 descendants cleared2012: 3 descendants cleared2020: 5 descendants cleared2014: 2 descendants cleared2015: 4 descendants cleared2022: 8 descendants cleared2018: 4 descendants cleared2025: 7 descendants cleared2016: 1 descendant cleared2024: 10 descendants cleared2026: 9 descendants cleared2021: 3 descendants cleared20052010201520202025
  1. This deviceK090484 Alice PDXRespironics Inc., Sleep & Home Respiratory Group · 2009
  2. Descendant · cites it directly · 40 of its ownK111194 Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc. · 2011
  3. Descendant · 2 generations on · 38 of its ownK112514 Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc. · 2012
  4. Descendant · cites it directly · 35 of its ownK122223 New: Intellivue CL Respiration Pod New: Specialized Assessory…Philips Medizin Systeme Boeblingen GmbH · 2013
  5. Descendant · 2 generations on · 24 of its ownK151736 Philips IntelliVue GuardianSoftwarePhilips Medizin Systeme Boblingen GmbH · 2015
  6. Descendant · 3 generations on · 23 of its ownK161767 Philips IntelliVue GuardianSoftwarePhilips Medizin Systeme Boeblingen GmbH · 2017

Showing 5 of 79 descendants. See all descendants

Descendants cleared per year

2011: 12012: 32013: 52014: 22015: 42016: 12017: 52018: 42019: 42020: 52021: 32022: 82023: 82024: 102025: 72026: 9
2011high 10 (2024) · low 1 (2011)2026

Most influential descendants

Showing 5 of 79 · See all
  • K111194Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc. · 2011 · cites it directly40descendants
  • K112514Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc. · 2012 · 2 generations on38descendants
  • K122223New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp Attachment…Philips Medizin Systeme Boeblingen GmbH · 2013 · cites it directly35descendants
  • K151736Philips IntelliVue GuardianSoftwarePhilips Medizin Systeme Boblingen GmbH · 2015 · 2 generations on24descendants
  • K161767Philips IntelliVue GuardianSoftwarePhilips Medizin Systeme Boeblingen GmbH · 2017 · 3 generations on23descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K090484Alice PDXRespironics Inc., Sleep & Home Respiratory Group2009—
+1K111194Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc.2011—
+2K112514Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc.2012—
+1K122223New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp…Philips Medizin Systeme Boeblingen GmbH2013—
+2K151736Philips IntelliVue GuardianSoftwarePhilips Medizin Systeme Boblingen GmbH2015—
+3K161767Philips IntelliVue GuardianSoftwarePhilips Medizin Systeme Boeblingen GmbH2017—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201110
201230
201350
201420
201540
201610
201750
201840
201940
202050
202130
202280
202380
2024100
202570
202690
FIG. 1 — Lineage of K090484, 2009–2026Source: 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
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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
*—Respironics Galaxy
Named without a submission number
—

What descends from it? (79)

See all 79

4 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K111194Apnea Risk Evaluation System (Ares)Advanced Brain Monitoring, Inc.201140
K122223New: Intellivue CL Respiration Pod New: Specialized Assessory: Mobile CL Resp Attachment…Philips Medizin Systeme Boeblingen GmbH201335
K230148VlabDormotech Medical, Ltd.20230
K183625SomnaPatchRespironics, Inc.20190

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?

  • Of its descendants, K111194 (Advanced Brain Monitoring, Inc., 2011) has gone furthest, with 40 descendants of its own.

How does its category compare?

All MNR devices

MNR Ventilatory Effort Recorder: FDA decisions, review times, recalls and adverse event reports over 20 years. 2009, 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 Alice PDx is a physiological data recorder intended to collect and record data from multiple physiological channels for use by clinical software used in polysomnography and sleep disorder studies. It is intended for use by or on the order of a physician. It is intended for use on adults in a supervised (hospital) or unsupervised (home) environment.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K090484: Alice PDX.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K090484

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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