510(k) Report

510(k) · Cleared

Cleared

Snoring Microphone, SM1

K940015510(k) TraditionalCleared Jan 11, 1995372-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

Pro-Tech, Inc. · MNR Ventilatory Effort Recorder

Cleared on Jan 11, 1995 after a 372-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 2 later devices descend from it.

Decided
Jan 11, 1995
Review
372 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
0

2 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1999: 1 descendant cleared2004: 1 descendant cleared1995200020052010201520202025
  1. This deviceK940015 Snoring Microphone, SM1Pro-Tech, Inc. · 1995
  2. Descendant · cites it directly · 1 of its ownK990321 Alphamed Gemini Sensor, Snoring SensorAlphamed, Inc. · 1999
  3. Descendant · 2 generations on · 0 of its ownK040069 Dymedix Reusable Airflow/Snore SensorDymedix, Inc. · 2004

Most influential descendants

Showing 2 of 2 · See all
  • K990321Alphamed Gemini Sensor, Snoring SensorAlphamed, Inc. · 1999 · cites it directly1descendant
  • K040069Dymedix Reusable Airflow/Snore SensorDymedix, Inc. · 2004 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K940015Snoring Microphone, SM1Pro-Tech, Inc.1995—
+1K990321Alphamed Gemini Sensor, Snoring SensorAlphamed, Inc.1999—
+2K040069Dymedix Reusable Airflow/Snore SensorDymedix, Inc.2004—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
200410
FIG. 1 — Lineage of K940015, 1995–2004Source: 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), 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K990321Alphamed Gemini Sensor, Snoring SensorAlphamed, Inc.19991

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, K990321 (Alphamed, Inc., 1999) has gone furthest, with 1 descendant 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.

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—
Cite this page

510(k) Report. “K940015: Snoring Microphone, SM1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K940015

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026