510(k) Report

510(k) · Cleared

Cleared

Airmod

K242798510(k) TraditionalCleared Feb 28, 2025165-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

Heroic Faith International, Ltd. · BZQ Monitor, Breathing Frequency

Cleared on Feb 28, 2025 as substantially equivalent to K111933 (Covidien, 2012) after a 165-day review. Its family tree reaches back 10 generations to 1997. 1 of the 50 devices in its family, counting itself, has a Class I recall. 1 later device descends from it.

Decided
Feb 28, 2025
Review
165 days
Class
Class II
Product code
BZQ
Recalls
None
Predicates
1

Its longest line of descent runs back 10 generations to K962603 (1997). 48 ancestors in all, the oldest K863784 (1986). 1 later device descends from it, 1 citing it directly. 1 of the 50 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2009: 1 other ancestor2002: 3 other ancestors2006: 1 other ancestor2005: 1 other ancestor1987: 2 other ancestors2004: 1 other ancestor2000: 1 other ancestor1999: 3 other ancestors1986: 1 other ancestor1998: 6 other ancestors1997: 3 other ancestors, 1 with a Class I recall11996: 2 other ancestors1995: 3 other ancestors1992: 3 other ancestors1991: 4 other ancestors1990: 2 other ancestors1993: 1 other ancestor2025: 1 descendant clearedReference device: K120984 · Masimo Ras-125C Acoustic Respiration Sensor · Masimo Corporation · 2013K962603 · Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables · Masimo Corp. · 1997K973887 · Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables · Masimo Corp. · 1998K982255 · Model 2000 Pulse Oximeter · Ivy Biomedical Systems, Inc. · 1998K991823 · N-395 Pulse Oximeter, Model N-395 · Nellcor Puritan Bennett, Inc. · 1999×2: 2 generations cleared close together, K012891 (2002), K021090 (2002) K033048 · Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL, 740-2NN, 740M-2NN, 740-3MS, 740M-3MS · Cas Medical Systems, Inc. · 2004 · recalledK050844 · 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS, 750CM-3MS, 750C-3NL, 750CM-3NL · Cas Medical Systems, Inc. · 2005K051896 · Model 750E Series Monitor · Cas Medical Systems, Inc. · 2005K111933 · Covidien Nellcor Respiration Rate Software Application, Version 1.0 · Covidien · 20121990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors3 generations back: 5 other ancestors4 generations back: 7 other ancestors5 generations back: 13 other ancestors, 1 with a Class I recall16 generations back: 8 other ancestors7 generations back: 3 other ancestors 1 generation forward: 1 descendant K111933 · Covidien Nellcor Respiration Rate Software Application, Version 1.0 · Covidien · 2012K051896 · Model 750E Series Monitor · Cas Medical Systems, Inc. · 2005K050844 · 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL, 750C-3MS, 750CM-3MS, 750C-3NL, 750CM-3NL · Cas Medical Systems, Inc. · 2005K033048 · Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL, 740M-2NL, 740-2NN, 740M-2NN, 740-3MS, 740M-3MS · Cas Medical Systems, Inc. · 2004 · recalledK021090 · Oximax N-550 Pulse Oximeter,Model N-550 Pulse Oximeter · Nellcor Puritan Bennett, Inc. · 2002K012891 · Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and Cables (Aka Accessories) · Nellcor Puritan Bennett, Inc. · 2002 · recalledK991823 · N-395 Pulse Oximeter, Model N-395 · Nellcor Puritan Bennett, Inc. · 1999K982255 · Model 2000 Pulse Oximeter · Ivy Biomedical Systems, Inc. · 1998K973887 · Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and Cables · Masimo Corp. · 1998K962603 · Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & Cables · Masimo Corp. · 1997−10−50
  1. Root · 10 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 6 generations between
  3. 3 generations backK050844 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL…Cas Medical Systems, Inc. · 2005
  4. 2 generations backK051896 Model 750E Series MonitorCas Medical Systems, Inc. · 2005
  5. 1 generation backK111933 Covidien Nellcor Respiration Rate Software Application, Version 1.0Covidien · 2012
  6. This deviceK242798 AirmodHeroic Faith International, Ltd. · 2025
  7. Descendant · cites it directly · 0 of its ownK243183 RTMsense Respiratory Monitoring SystemRtm Vital Signs, LLC · 2025
Show all 10 generations
  1. Root · 10 generations backK962603 Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp. · 1997
  2. 9 generations backK973887 Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and…Masimo Corp. · 1998
  3. 8 generations backK982255 Model 2000 Pulse OximeterIvy Biomedical Systems, Inc. · 1998
  4. 7 generations backK991823 N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc. · 1999
  5. 6 generations backK012891 Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax…Nellcor Puritan Bennett, Inc. · 2002 · Recalled
  6. 5 generations backK021090 Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc. · 2002
  7. 4 generations backK033048 Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS…Cas Medical Systems, Inc. · 2004 · Recalled
  8. 3 generations backK050844 750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL…Cas Medical Systems, Inc. · 2005
  9. 2 generations backK051896 Model 750E Series MonitorCas Medical Systems, Inc. · 2005
  10. 1 generation backK111933 Covidien Nellcor Respiration Rate Software Application, Version 1.0Covidien · 2012
  11. This deviceK242798 AirmodHeroic Faith International, Ltd. · 2025

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K243183RTMsense Respiratory Monitoring SystemRtm Vital Signs, LLC · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K962603Masimo Set MS-1 Pulse Oximeter & the Lnop Series of Sensors & CablesMasimo Corp.1997—
−9K973887Masimo Set MS-1P Pulse Oximeter and the Lnop Series of Sensors and CablesMasimo Corp.1998—
−8K982255Model 2000 Pulse OximeterIvy Biomedical Systems, Inc.1998—
−7K991823N-395 Pulse Oximeter, Model N-395Nellcor Puritan Bennett, Inc.1999—
−6K012891Oximax Pulse Oximetry System with N-595 Pulse Oximeter and Oximax Sensors and…Nellcor Puritan Bennett, Inc.20021
−5K021090Oximax N-550 Pulse Oximeter,Model N-550 Pulse OximeterNellcor Puritan Bennett, Inc.2002—
−4K033048Cas 740 Series Monitor, Models 740-1, 740M-1, 740-2MS, 740M-2MS, 740-2NL…Cas Medical Systems, Inc.20041
−3K050844750C Series Monitor, Models 750C-2MS, 750CM-2MS, 750C-NNL, 750CM-2NL…Cas Medical Systems, Inc.2005—
−2K051896Model 750E Series MonitorCas Medical Systems, Inc.2005—
−1K111933Covidien Nellcor Respiration Rate Software Application, Version 1.0Covidien2012—
0 (this device)K242798AirmodHeroic Faith International, Ltd.2025—
+1K243183RTMsense Respiratory Monitoring SystemRtm Vital Signs, LLC2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198610
198720
199020
199140
199230
199310
199530
199620
199731
199860
199930
200010
200230
200410
200510
200610
200910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K242798, 1997–2025Source: 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.

1 device in this family has a Class I recall. 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 BZQ device

  1. #1 K251326 Respiration Rate algorithmscore 20.2 · 30 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
*K111933Covidien Nellcor Respiration Rate Software Application, Version 1.0
Summary page 5
…er Predicate Device Name / Manufacturer Primary Reference Predicate Device K111933 Covidien Nellcor Respiration Rate Software, Version 1.0 and Covidien Nellcor Adult …
Covidien2012—
†K120984Masimo Ras-125C Acoustic Respiration SensorMasimo Corporation2013—

Also cleared against K111933: 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
K243183RTMsense Respiratory Monitoring SystemRtm Vital Signs, LLC20250

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K970209Capnocheck PlusBci Intl., Inc. · 1997 · 5 generations back · ◆ in the 1997 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 28 years and passes through 6 companies; a new generation was cleared every 1.1 years on median.
  • 7 of the 48 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K243183 (Rtm Vital Signs, LLC, 2025) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K111933.

How does its category compare?

All BZQ devices

BZQ Monitor, Breathing Frequency: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · BZQ

7in 2025

2007: 22008: 12009: 32010: 22011: 12012: 22013: 32014: 22016: 22018: 32019: 12020: 22021: 22022: 32023: 12024: 12025: 72026 (partial year): 2
2007high 7 (2025) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BZQ

255in 2025

2009: 121 days median2013: 261 days median2018: 198 days median2022: 198 days median2025: 255 days median
2007high 261 (2013) · low 121 (2009)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · BZQ

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · BZQ

2in 2022

2007: 72009: 12010: 12012: 32017: 112018: 102019: 132020: 102021: 12022: 2
2007high 13 (2019) · low 0 (2008)2025

MAUDE reports naming product code BZQ, 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
20072—07
20081—00
2009312101
20102—11
20111—00
20122—03
2013326100
20142—00
20150—00
20162—00
20170—011
20183198010
20191—013
20202—010
20212—01
2022319802
20231—00
20241—00
2025725500
20262—0—

What is it indicated for?

Airmod, when used in conjunction with AccurSound Electronic Stethoscope AS-101, is a software as medical device intended to be used for the continuous, non-invasive monitoring of respiratory rate (RR) in adult patients who are subjected to procedural sedation and/or anesthesia.

Airmod is intended for use by healthcare professionals in hospitals and healthcare facilities who are legally credentialed to perform procedural sedation and/or anesthesia.

Airmod is intended for Android-based devices only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K242798: Airmod.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K242798

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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