510(k) Report

510(k) · Cleared

Cleared

DeltaWave Nasal Pillow System

K253939510(k) SpecialCleared Jan 7, 202629-day reviewClass II21 CFR 868.5905

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

RemSleep Holdings, Inc. · BZD Ventilator, Non-Continuous (Respirator)

Cleared on Jan 7, 2026 as substantially equivalent to K233415 (Remsleep Holdings, 2024) after a 29-day review. Its family tree reaches back 12 generations to 1995.

Decided
Jan 7, 2026
Review
29 days
Class
Class II
Product code
BZD
Recalls
None
Predicates
1

Its longest line of descent runs back 12 generations to K952292 (1995). 32 ancestors in all, the oldest K900164 (1990). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2006: 1 other ancestor2004: 3 other ancestors2003: 4 other ancestors2002: 3 other ancestors1998: 2 other ancestors1999: 1 other ancestor1996: 2 other ancestors1990: 1 other ancestor2001: 1 other ancestor1994: 1 other ancestor1993: 1 other ancestorReference device: K210844 · DreamWear Silicone Pillows Mask · Respironics, Inc. · 2021K952292 · Puritan-Bennett Companion Nasal Cpap System · Puritan Bennett Corp. · 1995K961626 · Solo Cpap System · Respironics, Inc. · 1996K973161 · Cpap Humidifier (HC 200) · Fisher & Paykel Electronics, Ltd. · 1998K040941 · Cpap Humidifier, Model HC234 (and Related Accessories) · Fisher & Paykel Healthcare, Ltd. · 2004K050904 · Cpap Humidifier, Model HC238JHU · Fisher & Paykel Healthcare, Ltd. · 2005K063036 · Opus HC482 Direct Nasal Mask · Fisher & Paykel Healthcare, Ltd. · 2006K080209 · Fisher and Paykel Healthcare Zest Nasal Mask · Fisher & Paykel Healthcare, Ltd. · 2008K083832 · Zest Nasal Mask · Fisher & Paykel Healthcare, Ltd. · 2009K120027 · Pilairo Nasal Pillows Mask · Fisher & Paykel Healthcare Limited · 2012K161412 · F&P Brevida™ Nasal Pillows Mask · Fisher & Paykel Healthcare, Ltd. · 2017K200089 · F&P Evora Nasal Mask Nasal A Model (Small, Medium, Large, Wide), F&P Evora Nasal Mask Nasal Fit Pack/ SML (Small/Medium/Large) A Model, F&P Evora Nasal Mask Nasal Sleep Lab (Small, Medium, Large, Wide), F&P Evora Nasal Mask Nasal Fit Pack / SML (Small/Medium/Large) Sleep Lab Model · Fisher & Paykel Healthcare, Ltd. · 2020K233415 · DELTAWAVE Nasal Pillows System · Remsleep Holdings · 20241990200020102020
Other ancestors, by generation 6 generations back: 2 other ancestors7 generations back: 8 other ancestors8 generations back: 6 other ancestors9 generations back: 3 other ancestors10 generations back: 1 other ancestor K233415 · DELTAWAVE Nasal Pillows System · Remsleep Holdings · 2024K200089 · F&P Evora Nasal Mask Nasal A Model (Small, Medium, Large, Wide), F&P Evora Nasal Mask Nasal Fit Pack/ SML (Small/Medium/Large) A Model, F&P Evora Nasal Mask Nasal Sleep Lab (Small, Medium, Large, Wide), F&P Evora Nasal Mask Nasal Fit Pack / SML (Small/Medium/Large) Sleep Lab Model · Fisher & Paykel Healthcare, Ltd. · 2020K161412 · F&P Brevida™ Nasal Pillows Mask · Fisher & Paykel Healthcare, Ltd. · 2017K120027 · Pilairo Nasal Pillows Mask · Fisher & Paykel Healthcare Limited · 2012K083832 · Zest Nasal Mask · Fisher & Paykel Healthcare, Ltd. · 2009K080209 · Fisher and Paykel Healthcare Zest Nasal Mask · Fisher & Paykel Healthcare, Ltd. · 2008K063036 · Opus HC482 Direct Nasal Mask · Fisher & Paykel Healthcare, Ltd. · 2006K050904 · Cpap Humidifier, Model HC238JHU · Fisher & Paykel Healthcare, Ltd. · 2005K040941 · Cpap Humidifier, Model HC234 (and Related Accessories) · Fisher & Paykel Healthcare, Ltd. · 2004K973161 · Cpap Humidifier (HC 200) · Fisher & Paykel Electronics, Ltd. · 1998K961626 · Solo Cpap System · Respironics, Inc. · 1996K952292 · Puritan-Bennett Companion Nasal Cpap System · Puritan Bennett Corp. · 1995−10−50
  1. Root · 12 generations backK952292 Puritan-Bennett Companion Nasal Cpap SystemPuritan Bennett Corp. · 1995
  2. 8 generations between
  3. 3 generations backK161412 F&P Brevida™ Nasal Pillows MaskFisher & Paykel Healthcare, Ltd. · 2017
  4. 2 generations backK200089 F&P Evora Nasal Mask Nasal A Model (Small, Medium, Large, Wide), F&P…Fisher & Paykel Healthcare, Ltd. · 2020
  5. 1 generation backK233415 DELTAWAVE Nasal Pillows SystemRemsleep Holdings · 2024
  6. This deviceK253939 DeltaWave Nasal Pillow SystemRemSleep Holdings, Inc. · 2026
Show all 12 generations
  1. Root · 12 generations backK952292 Puritan-Bennett Companion Nasal Cpap SystemPuritan Bennett Corp. · 1995
  2. 11 generations backK961626 Solo Cpap SystemRespironics, Inc. · 1996
  3. 10 generations backK973161 Cpap Humidifier (HC 200)Fisher & Paykel Electronics, Ltd. · 1998
  4. 9 generations backK040941 Cpap Humidifier, Model HC234 (and Related Accessories)Fisher & Paykel Healthcare, Ltd. · 2004
  5. 8 generations backK050904 Cpap Humidifier, Model HC238JHUFisher & Paykel Healthcare, Ltd. · 2005
  6. 7 generations backK063036 Opus HC482 Direct Nasal MaskFisher & Paykel Healthcare, Ltd. · 2006
  7. 6 generations backK080209 Fisher and Paykel Healthcare Zest Nasal MaskFisher & Paykel Healthcare, Ltd. · 2008
  8. 5 generations backK083832 Zest Nasal MaskFisher & Paykel Healthcare, Ltd. · 2009
  9. 4 generations backK120027 Pilairo Nasal Pillows MaskFisher & Paykel Healthcare Limited · 2012
  10. 3 generations backK161412 F&P Brevida™ Nasal Pillows MaskFisher & Paykel Healthcare, Ltd. · 2017
  11. 2 generations backK200089 F&P Evora Nasal Mask Nasal A Model (Small, Medium, Large, Wide), F&P…Fisher & Paykel Healthcare, Ltd. · 2020
  12. 1 generation backK233415 DELTAWAVE Nasal Pillows SystemRemsleep Holdings · 2024
  13. This deviceK253939 DeltaWave Nasal Pillow SystemRemSleep Holdings, Inc. · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K952292Puritan-Bennett Companion Nasal Cpap SystemPuritan Bennett Corp.1995—
−11K961626Solo Cpap SystemRespironics, Inc.1996—
−10K973161Cpap Humidifier (HC 200)Fisher & Paykel Electronics, Ltd.1998—
−9K040941Cpap Humidifier, Model HC234 (and Related Accessories)Fisher & Paykel Healthcare, Ltd.2004—
−8K050904Cpap Humidifier, Model HC238JHUFisher & Paykel Healthcare, Ltd.2005—
−7K063036Opus HC482 Direct Nasal MaskFisher & Paykel Healthcare, Ltd.2006—
−6K080209Fisher and Paykel Healthcare Zest Nasal MaskFisher & Paykel Healthcare, Ltd.2008—
−5K083832Zest Nasal MaskFisher & Paykel Healthcare, Ltd.2009—
−4K120027Pilairo Nasal Pillows MaskFisher & Paykel Healthcare Limited2012—
−3K161412F&P Brevida™ Nasal Pillows MaskFisher & Paykel Healthcare, Ltd.2017—
−2K200089F&P Evora Nasal Mask Nasal A Model (Small, Medium, Large, Wide), F&P Evora…Fisher & Paykel Healthcare, Ltd.2020—
−1K233415DELTAWAVE Nasal Pillows SystemRemsleep Holdings2024—
0 (this device)K253939DeltaWave Nasal Pillow SystemRemSleep Holdings, Inc.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199010
199310
199410
199620
199820
199910
200110
200230
200340
200430
200610
FIG. 1 — Lineage of K253939, 1995–2026Source: 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.

Planning a device in BZD? 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
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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
*K233415DELTAWAVE Nasal Pillows System
Summary page 5
…Ventilator, Non-Continuous (Respirator) Product Code: BZD Regulation Number: 21 CFR 868.5905 Clearance Number: K233415 Reference Device Trade Name: Respironics, Inc. DreamWear Silicone Pillows Mask Common/Usual Name: Nasal Mask,…
Remsleep Holdings2024—
†K210844DreamWear Silicone Pillows MaskRespironics, Inc.2021—

What descends from it?

No later submission names this one as a predicate yet.

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 31 years and passes through 7 companies; a new generation was cleared every 2.0 years on median.
  • 3 of the 32 ancestors have a recall of any class.

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. 2026, 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 DeltaWave Nasal Pillow System channels airflow noninvasively to a patient from a noninvasive positive airway pressure device (PAP) such as CPAP, bi-level.

It is intended for adult patients weighing ≥66lbs (30 Kg), and for whom positive airway pressure has been prescribed. It is intended for single patient reuse in the home and hospital/institutional/sleep center environment.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253939: DeltaWave Nasal Pillow System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253939

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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