510(k) Report

510(k) · Cleared

Recalled · Class I · 2023

AirFit N20

K161978510(k) TraditionalCleared Nov 17, 2016122-day reviewClass II21 CFR 868.5905Recalls 1 (1 Class I)

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

Resmed, Ltd. · BZD Ventilator, Non-Continuous (Respirator)

Cleared on Nov 17, 2016 as substantially equivalent to K153673 (Resmed, Ltd., 2016) after a 122-day review. Its family tree reaches back 10 generations to 1998. 3 of the 42 devices in its family, counting itself, have a Class I recall. 5 later devices descend from it. It has been recalled once, including a Class I recall.

Decided
Nov 17, 2016
Review
122 days
Class
Class II
Product code
BZD
Recalls
1 (1 Class I)
Predicates
1

Its longest line of descent runs back 10 generations to K982530 (1998). 36 ancestors in all, the oldest K900164 (1990). 5 later devices descend from it, 2 citing it directly. 3 of the 42 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2006: 2 other ancestors2005: 3 other ancestors2009: 2 other ancestors1996: 3 other ancestors2008: 1 other ancestor2004: 1 other ancestor2003: 2 other ancestors2002: 3 other ancestors2000: 1 other ancestor2007: 1 other ancestor2001: 1 other ancestor1999: 2 other ancestors1998: 2 other ancestors1995: 1 other ancestor1990: 1 other ancestor2021: 1 descendant cleared2017: 1 descendant cleared, 1 with a Class I recall12026: 1 descendant cleared2018: 1 descendant cleared2023: 1 descendant clearedReference device: K031047 · Mirage Vista Mask · Resmed, Ltd. · 2003Reference device: K032433 · Nasal Jacks Mask · Resmed, Ltd. · 2003Reference device: K132013 · Swift Air · Resmed, Ltd. · 2013Reference device: K132887 · Airfit N10 · Resmed, Ltd. · 2013 · Class I recallK982530 · Sullivan Mirage Full Face Mask · Resmed, Ltd. · 1998K023244 · Mirage Full Face Mask Series 2 · Resmed, Ltd. · 2002K032916 · Mirage Activa Mask · Resmed, Ltd. · 2003K042403 · Mirage Swift · Resmed, Ltd. · 2004K063122 · Mirage Quattro Full Face Mask · Resmed, Ltd. · 2007K072940 · Mirage Micro · Resmed, Ltd. · 2007K102746 · Mirage FX · Resmed, Ltd. · 2010K123789 · Swift FX Nano · Resmed, Ltd. · 2013K132887 · Airfit N10 · Resmed, Ltd. · 2013 · Class I recallK153673 · AirFit N20 · Resmed, Ltd. · 20161990200020102020
Other ancestors, by generationDescendants, by generation 3 generations back: 2 other ancestors4 generations back: 3 other ancestors5 generations back: 8 other ancestors6 generations back: 7 other ancestors7 generations back: 4 other ancestors8 generations back: 2 other ancestors 1 generation forward: 2 descendants, 1 with a Class I recall12 generations forward: 2 descendants3 generations forward: 1 descendant K153673 · AirFit N20 · Resmed, Ltd. · 2016K132887 · Airfit N10 · Resmed, Ltd. · 2013 · Class I recallK123789 · Swift FX Nano · Resmed, Ltd. · 2013K102746 · Mirage FX · Resmed, Ltd. · 2010K072940 · Mirage Micro · Resmed, Ltd. · 2007K063122 · Mirage Quattro Full Face Mask · Resmed, Ltd. · 2007K042403 · Mirage Swift · Resmed, Ltd. · 2004K032916 · Mirage Activa Mask · Resmed, Ltd. · 2003K023244 · Mirage Full Face Mask Series 2 · Resmed, Ltd. · 2002K982530 · Sullivan Mirage Full Face Mask · Resmed, Ltd. · 1998−10−50
  1. Root · 10 generations backK982530 Sullivan Mirage Full Face MaskResmed, Ltd. · 1998
  2. 6 generations between
  3. 3 generations backK123789 Swift FX NanoResmed, Ltd. · 2013
  4. 2 generations backK132887 Airfit N10Resmed, Ltd. · 2013 · Recalled (Class I)
  5. 1 generation backK153673 AirFit N20Resmed, Ltd. · 2016
  6. This deviceK161978 AirFit N20Resmed, Ltd. · 2016
  7. Descendant · cites it directly · 3 of its ownK171212 AirFit N20Resmed, Ltd. · 2017 · Recalled (Class I)
  8. Descendant · 2 generations on · 1 of its ownK180497 Scone MaskResmed, Ltd. · 2018
  9. Descendant · 2 generations on · 0 of its ownK251847 Sleepnet Arie Full Face Vented Mask; Sleepnet Arie Nasal Vented MaskSleepnet Corporation · 2026
  10. Descendant · 3 generations on · 0 of its ownK223747 Whitsundays Mask SystemResmed Pty Ltd (Registration Number: 3004604967) · 2023
  11. Descendant · cites it directly · 0 of its ownK203347 Sleep Apnea Breathing Therapy Mask: YF-01 Full Face Mask, YF-02 Full…Suzhou Yuyue Medical Technology Co., Ltd. · 2021
Show all 10 generations
  1. Root · 10 generations backK982530 Sullivan Mirage Full Face MaskResmed, Ltd. · 1998
  2. 9 generations backK023244 Mirage Full Face Mask Series 2Resmed, Ltd. · 2002
  3. 8 generations backK032916 Mirage Activa MaskResmed, Ltd. · 2003
  4. 7 generations backK042403 Mirage SwiftResmed, Ltd. · 2004
  5. 6 generations backK063122 Mirage Quattro Full Face MaskResmed, Ltd. · 2007
  6. 5 generations backK072940 Mirage MicroResmed, Ltd. · 2007
  7. 4 generations backK102746 Mirage FXResmed, Ltd. · 2010
  8. 3 generations backK123789 Swift FX NanoResmed, Ltd. · 2013
  9. 2 generations backK132887 Airfit N10Resmed, Ltd. · 2013 · Recalled (Class I)
  10. 1 generation backK153673 AirFit N20Resmed, Ltd. · 2016
  11. This deviceK161978 AirFit N20Resmed, Ltd. · 2016

Class I recalls in this family

Most influential descendants

Showing 5 of 5 · See all
  • K171212AirFit N20Resmed, Ltd. · 2017 · cites it directly3descendants
  • K180497Scone MaskResmed, Ltd. · 2018 · 2 generations on1descendant
  • K251847Sleepnet Arie Full Face Vented Mask; Sleepnet Arie Nasal Vented MaskSleepnet Corporation · 2026 · 2 generations on0descendants
  • K223747Whitsundays Mask SystemResmed Pty Ltd (Registration Number: 3004604967) · 2023 · 3 generations on0descendants
  • K203347Sleep Apnea Breathing Therapy Mask: YF-01 Full Face Mask, YF-02 Full Face Mask, YF-03…Suzhou Yuyue Medical Technology Co., Ltd. · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K982530Sullivan Mirage Full Face MaskResmed, Ltd.1998—
−9K023244Mirage Full Face Mask Series 2Resmed, Ltd.2002—
−8K032916Mirage Activa MaskResmed, Ltd.2003—
−7K042403Mirage SwiftResmed, Ltd.2004—
−6K063122Mirage Quattro Full Face MaskResmed, Ltd.2007—
−5K072940Mirage MicroResmed, Ltd.2007—
−4K102746Mirage FXResmed, Ltd.2010—
−3K123789Swift FX NanoResmed, Ltd.2013—
−2K132887Airfit N10Resmed, Ltd.2013Class I
−1K153673AirFit N20Resmed, Ltd.2016—
0 (this device)K161978AirFit N20Resmed, Ltd.2016—
+1K171212AirFit N20Resmed, Ltd.2017Class I
+2K180497Scone MaskResmed, Ltd.2018—
+2K251847Sleepnet Arie Full Face Vented Mask; Sleepnet Arie Nasal Vented MaskSleepnet Corporation2026—
+3K223747Whitsundays Mask SystemResmed Pty Ltd (Registration Number: 3004604967)2023—
+1K203347Sleep Apnea Breathing Therapy Mask: YF-01 Full Face Mask, YF-02 Full Face…Suzhou Yuyue Medical Technology Co., Ltd.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199510
199630
199820
199920
200010
200110
200230
200320
200410
200530
200620
200710
200810
200920

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201711
201810
202110
202310
202610
FIG. 1 — Lineage of K161978, 1998–2026Source: 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.

3 devices in this family have 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 BZD device

  1. #1 K250624 myAirscore 15.7 · 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
*K153673AirFit N20
Summary page 4
…ation & 21 CFR 868.5905, 73 BZD (Class II) Classification Name Accessory to Noncontinuous Ventilator (IPPB) Legally Marketed AirFit N20 (K153673) Predicate Devices Device Description The modified ResMed AirFit N20 is a non-invasive vented respirator…
Resmed, Ltd.2016—
†K031047Mirage Vista MaskResmed, Ltd.2003—
†K032433Nasal Jacks MaskResmed, Ltd.2003—
†K132013Swift AirResmed, Ltd.2013—
†K132887Airfit N10Resmed, Ltd.2013Class I

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K171212AirFit N20 Class IResmed, Ltd.20173
K203347Sleep Apnea Breathing Therapy Mask: YF-01 Full Face Mask, YF-02 Full Face Mask, YF-03…Suzhou Yuyue Medical Technology Co., Ltd.20210

Has anything in its family been recalled? (3 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Nov 20, 2023Class IZ-0540-2024Device DesignMasks non-invasive interface for channeling airflow to patients have magnets that have potential magnetic interference with active medical implants that interact with magnets, and metallic implants/objects containing ferromagnetic…

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.

  • K132887Airfit N10Resmed, Ltd. · 2013 · 2 generations back · ◆ on the line of descent in FIG. 11 Class I recall
  • K171212AirFit N20Resmed, Ltd. · 2017 · Cites it directly · ◆ in the 2017 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 18 years and passes through 1 company; a new generation was cleared every 2.3 years on median.
  • 1 of the 36 ancestors has a recall of any class; 1 has a Class I recall.
  • Of its descendants, K171212 (Resmed, Ltd., 2017) has gone furthest, with 3 descendants of its own.

How does its category compare?

All BZD devices

BZD Ventilator, Non-Continuous (Respirator): FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · BZD

7in 2025

2007: 212008: 172009: 232010: 122011: 232012: 212013: 232014: 142015: 112016: 122017: 52018: 52019: 62020: 62021: 62022: 42023: 52024: 102025: 72026 (partial year): 10
2007high 23 (2009) · low 4 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BZD

189in 2025

2007: 83 days median2008: 108 days median2009: 90 days median2010: 122 days median2011: 125 days median2012: 133 days median2013: 127 days median2014: 172 days median2015: 224 days median2016: 217 days median2017: 221 days median2018: 280 days median2019: 231 days median2020: 137 days median2021: 192 days median2022: 253 days median2023: 204 days median2024: 132 days median2025: 189 days median2026 (partial year): 214 days median
2007high 280 (2018) · low 83 (2007)2026

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

Recalls per year · BZD

8in 2023

2007: 292008: 22009: 12011: 12019: 4, 4 Class I2023: 8, 7 Class I2026 (partial year): 2, 2 Class I
2007high 29 (2007) · low 0 (2010)2026

Class I (13 since 2007) Class II/III not classified

Adverse event reports per year · BZD

60,279in 2025

2007: 652008: 672009: 1472010: 1432011: 1892012: 1392013: 822014: 862015: 1142016: 1182017: 1482018: 1012019: 1882020: 1262021: 6,0662022: 90,7682023: 27,9872024: 68,2622025: 60,279
2007high 90,768 (2022) · low 65 (2007)2025

MAUDE reports naming product code BZD, 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
200721832965
200817108267
200923901147
2010121220143
2011231251189
2012211330139
201323127082
201414172086
2015112240114
2016122170118
201752210148
201852800101
201962314 (4)188
202061370126
2021619206,066
20224253090,768
202352048 (7)27,987
202410132068,262
20257189060,279
2026102142 (2)—

What is it indicated for?

The AirFit N20 channels airflow non-invasively to a patient from a positive airway pressure (PAP) device such as a continuous positive airway pressure (CPAP) or bilevel device.

The AirFit N20 is:

• to be used by patients weighing more than 66 lb (30 kg) for whom positive airway pressure has been prescribed

• intended for single patient re-use in the home environment and multi-patient re-use in the hospital/institutional environment.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K161978: AirFit N20.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K161978

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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