510(k) Report

510(k) · Cleared

Recalled · 2007

Stardust II

K052573510(k) TraditionalCleared Dec 13, 200585-day reviewClass II21 CFR 868.2375Recalls 2

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Respironics, Inc. · MNR Ventilatory Effort Recorder

Cleared on Dec 13, 2005 as substantially equivalent to K021845 (Respironics, Inc., 2004) and 2 other predicates after an 85-day review. Its family tree reaches back 5 generations to 1996. It has been recalled 2 times.

Decided
Dec 13, 2005
Review
85 days
Class
Class II
Product code
MNR
Recalls
2
Predicates
3

Its longest line of descent runs back 5 generations to K953930 (1996). 13 ancestors in all, the oldest K914085 (1991). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2003: 1 other ancestor1998: 2 other ancestors2000: 2 other ancestors1992: 1 other ancestor1991: 1 other ancestor2001: 1 other ancestorK953930 · Virtuoso Smart Cpap System · Respironics, Inc. · 1996K993433 · Virtuoso LX Smart Cpap System · Respironics, Inc. · 1999K012554 · Remstar Auto Cpap System · Respironics, Inc. · 2002K031460 · Modification to Remstar Auto Cpap System · Respironics, Inc. · 2003K021845 · Stardust II, Model 1011176 · Respironics, Inc. · 20041990199520002005
  1. Root · 5 generations backK953930 Virtuoso Smart Cpap SystemRespironics, Inc. · 1996
  2. 4 generations backK993433 Virtuoso LX Smart Cpap SystemRespironics, Inc. · 1999
  3. 3 generations backK012554 Remstar Auto Cpap SystemRespironics, Inc. · 2002
  4. 2 generations backK031460 Modification to Remstar Auto Cpap SystemRespironics, Inc. · 2003
  5. 1 generation backK021845 Stardust II, Model 1011176Respironics, Inc. · 2004
  6. This deviceK052573 Stardust IIRespironics, Inc. · 2005
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K953930Virtuoso Smart Cpap SystemRespironics, Inc.1996—
−4K993433Virtuoso LX Smart Cpap SystemRespironics, Inc.1999—
−3K012554Remstar Auto Cpap SystemRespironics, Inc.2002—
−2K031460Modification to Remstar Auto Cpap SystemRespironics, Inc.2003—
−1K021845Stardust II, Model 1011176Respironics, Inc.2004—
0 (this device)K052573Stardust IIRespironics, Inc.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
199210
199820
200020
200110
200310
FIG. 1 — Lineage of K052573, 1996–2005Source: 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? (3)

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
*K021845Stardust II, Model 1011176
Summary page 1
…Class 11 Appropriate Classification Panel Anesthesiology Product Code MNR Predicate Devices Respironics Stardust (K021 845/1K973920) Compumnedics Somte System (K021176) Reason for submission Modifie…
Respironics, Inc.2004—
*K973920Stardust
Summary page 1
…ass 11 Appropriate Classification Panel Anesthesiology Product Code MNR Predicate Devices Respironics Stardust (K021 845/1K973920) Compumnedics Somte System (K021176) Reason for submission Modified design…
Respironics, Inc.1998—
*K021176Compumedics Somte System
Summary page 1
…MNR Predicate Devices Respironics Stardust (K021 845/1K973920) Compumnedics Somte System (K021176) Reason for submission Modified design 09/16/05…
Compumedics Limited2003—

Also cleared against K021845: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 15, 2007Not classifiedZ-1089-2008Environmental controlForeign material: Glass fragments may present in the plastic bag material used to ship components.
Oct 15, 2007Not classifiedZ-1087-2008Environmental controlForeign material: Glass fragments may present in the plastic bag material used to ship components.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 9 years and passes through 1 company; a new generation was cleared every 1.6 years on median.
  • 2 of the 13 ancestors have a recall of any class.
  • 1 other device also cites its predicate K021845.

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 Stardust II is a multi-function recording device intended to be used to collect and store physiological signals related to sleep disorders and to aid in the diagnosis of related respiratory sleep disorders. The Stardust II is only to be used under the direction and supervision of a physician, technologist or clinician.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K052573: Stardust II.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K052573

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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