510(k) Report

510(k) · Cleared

Cleared

Audicor Cpam with SDB (Accelerometer Based)

K131883510(k) TraditionalCleared Apr 11, 2014290-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

Inovise Medical, Inc. · MNR Ventilatory Effort Recorder

Cleared on Apr 11, 2014 as substantially equivalent to K120462 (Inovise Medical, Inc., 2012) after a 290-day review. Its family tree reaches back 9 generations to 1991. 1 later device descends from it.

Decided
Apr 11, 2014
Review
290 days
Class
Class II
Product code
MNR
Recalls
None
Predicates
1

Its longest line of descent runs back 9 generations to K910772 (1991). 44 ancestors in all, the oldest K871344 (1987). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 2 other ancestors2008: 1 other ancestor2005: 1 other ancestor2004: 1 other ancestor2003: 2 other ancestors1999: 2 other ancestors1996: 2 other ancestors2002: 2 other ancestors2000: 3 other ancestors1987: 1 other ancestor2001: 1 other ancestor1998: 3 other ancestors1992: 5 other ancestors1997: 3 other ancestors1995: 2 other ancestors1991: 2 other ancestors1993: 1 other ancestor1990: 1 other ancestor2016: 1 descendant clearedK910772 · Propaq 102, 104 and 106 · Protocol Systems, Inc. · 1991×3: 3 generations cleared close together, K972020 (1998), K980879 (1998), K982776 (1998) K013319 · Nonin Model 2120 Pulse Oximeter and Noninvasive Blood Pressure (Nibp) Monitor · Nonin Medical, Inc. · 2002K041156 · Avant Digital Pulse Oximetry System, Models 4000, 4001 · Nonin Medical, Inc. · 2004 · recalledK043359 · 4100 Patient Oximeter Module · Nonin Medical, Inc. · 2005K082113 · Nox T3, Noxturnal (PC Application) · Nox Medical · 2008 · recalledK120462 · Audicor Cpam with SDB (Cardiopulmonary Ambulatory Monitor with Sleep Disordered Breathing Detection) · Inovise Medical, Inc. · 20121990200020102020
  1. Root · 9 generations backK910772 Propaq 102, 104 and 106Protocol Systems, Inc. · 1991
  2. 5 generations between
  3. 3 generations backK043359 4100 Patient Oximeter ModuleNonin Medical, Inc. · 2005
  4. 2 generations backK082113 Nox T3, Noxturnal (PC Application)Nox Medical · 2008 · Recalled
  5. 1 generation backK120462 Audicor Cpam with SDB (Cardiopulmonary Ambulatory Monitor with Sleep…Inovise Medical, Inc. · 2012
  6. This deviceK131883 Audicor Cpam with SDB (Accelerometer Based)Inovise Medical, Inc. · 2014
  7. Descendant · cites it directly · 0 of its ownK151433 AUDICOR CA300/CC100 Analyzer with SDBInovise Medical, Inc. · 2016
Show all 9 generations
  1. Root · 9 generations backK910772 Propaq 102, 104 and 106Protocol Systems, Inc. · 1991
  2. 8 generations backK972020 Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc. · 1998
  3. 7 generations backK980879 Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc. · 1998
  4. 6 generations backK982776 9303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc. · 1998
  5. 5 generations backK013319 Nonin Model 2120 Pulse Oximeter and Noninvasive Blood Pressure…Nonin Medical, Inc. · 2002
  6. 4 generations backK041156 Avant Digital Pulse Oximetry System, Models 4000, 4001Nonin Medical, Inc. · 2004 · Recalled
  7. 3 generations backK043359 4100 Patient Oximeter ModuleNonin Medical, Inc. · 2005
  8. 2 generations backK082113 Nox T3, Noxturnal (PC Application)Nox Medical · 2008 · Recalled
  9. 1 generation backK120462 Audicor Cpam with SDB (Cardiopulmonary Ambulatory Monitor with Sleep…Inovise Medical, Inc. · 2012
  10. This deviceK131883 Audicor Cpam with SDB (Accelerometer Based)Inovise Medical, Inc. · 2014

Most influential descendants

Showing 1 of 1 · See all
  • K151433AUDICOR CA300/CC100 Analyzer with SDBInovise Medical, Inc. · 2016 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K910772Propaq 102, 104 and 106Protocol Systems, Inc.1991—
−8K972020Oscillomate Non-Invasive Blood Pressure MonitorCas Medical Systems, Inc.1998—
−7K980879Oscillomate Nibp / SP02 Ems MonitorCas Medical Systems, Inc.1998—
−6K9827769303 Neonatal/Adult Vital Signs MonitorCas Medical Systems, Inc.1998—
−5K013319Nonin Model 2120 Pulse Oximeter and Noninvasive Blood Pressure (Nibp) MonitorNonin Medical, Inc.2002—
−4K041156Avant Digital Pulse Oximetry System, Models 4000, 4001Nonin Medical, Inc.20041
−3K0433594100 Patient Oximeter ModuleNonin Medical, Inc.2005—
−2K082113Nox T3, Noxturnal (PC Application)Nox Medical20081
−1K120462Audicor Cpam with SDB (Cardiopulmonary Ambulatory Monitor with Sleep…Inovise Medical, Inc.2012—
0 (this device)K131883Audicor Cpam with SDB (Accelerometer Based)Inovise Medical, Inc.2014—
+1K151433AUDICOR CA300/CC100 Analyzer with SDBInovise Medical, Inc.2016—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199010
199120
199250
199310
199520
199620
199730
199830
199920
200030
200110
200220
200320
200410
200510
200810
201120

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
FIG. 1 — Lineage of K131883, 1991–2016Source: 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
Get a 510(k) Report

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
*K120462Audicor Cpam with SDB (Cardiopulmonary Ambulatory Monitor with Sleep Disordered…
Summary page 2
…B detection. A study was designed and undertaken that compares AUDICOR SOB detection performance of the predicate device (K120462) to that of the subject device. The prospective study was undertaken at Taipei Veterans General Hospital…
Inovise Medical, Inc.2012—

Also cleared against K120462: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K151433AUDICOR CA300/CC100 Analyzer with SDBInovise Medical, Inc.20160

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 23 years and passes through 5 companies; a new generation was cleared every 2.4 years on median.
  • 6 of the 44 ancestors have a recall of any class.
  • Of its descendants, K151433 (Inovise Medical, Inc., 2016) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K120462.

How does its category compare?

All MNR devices

MNR Ventilatory Effort Recorder: FDA decisions, review times, recalls and adverse event reports over 20 years. 2014, 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 AUDICOR System when used with AUDICOR Sensors on the chest wall and properly attached Holler unit, is intended for use on adults 18 years of age and older in acquiring, analyzing and reporting ECG, heart sound. sleep-disordered breathing (SOB) and snaring detection and to provide interpretation of the data in an integrated report for consideration by physicians. The SOB analysis and reporting is intended for use on adult patients only as a screening…

Read the full statement (149 words)

The AUDICOR System when used with AUDICOR Sensors on the chest wall and properly attached Holler unit, is intended for use on adults 18 years of age and older in acquiring, analyzing and reporting ECG, heart sound. sleep-disordered breathing (SOB) and snaring detection and to provide interpretation of the data in an integrated report for consideration by physicians.

The SOB analysis and reporting is intended for use on adult patients only as a screening device for obstructive or mixed apnea to determine the need for evaluation by polysamnography based on the patients score. Patients screened for SOB should have periods of sleep of at least 4 hours duration during which the EGG is predominantly sinus rhythm in nature.

The AUDICOR recording may be obtained at any location specified bya physician including home, hospital or clinic. The device is intended for use only under the direct supervision of a physician.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K131883: Audicor Cpam with SDB (Accelerometer Based).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K131883

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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