510(k) Report

510(k) · Cleared

Cleared

Solo Cpap System

K961626510(k) TraditionalCleared Jul 18, 199683-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

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

Cleared on Jul 18, 1996 as substantially equivalent to K953341 (Respironics, Inc., 1996) and 1 other predicate after an 83-day review. Its family tree reaches back 1 generation to 1995. 114 later devices descend from it.

Decided
Jul 18, 1996
Review
83 days
Class
Class II
Product code
BZD
Recalls
None
Predicates
2

Its longest line of descent runs back 1 generation to K952292 (1995). 2 ancestors in all. 114 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1996: 1 other ancestor1998: 1 descendant cleared1999: 1 descendant cleared2004: 4 descendants cleared2007: 1 descendant cleared2005: 3 descendants cleared2003: 1 descendant cleared2012: 8 descendants cleared2008: 2 descendants cleared2006: 2 descendants cleared2010: 4 descendants cleared2013: 9 descendants cleared2009: 3 descendants cleared2011: 7 descendants cleared2015: 1 descendant cleared2014: 8 descendants cleared2018: 4 descendants cleared2017: 3 descendants cleared2020: 5 descendants cleared2019: 2 descendants cleared2023: 6 descendants cleared2016: 5 descendants cleared2025: 8 descendants cleared2024: 12 descendants cleared2021: 4 descendants cleared2026: 5 descendants cleared2022: 5 descendants clearedK952292 · Puritan-Bennett Companion Nasal Cpap System · Puritan Bennett Corp. · 19951995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 7 descendants3 generations forward: 7 descendants4 generations forward: 12 descendants5 generations forward: 14 descendants6 generations forward: 14 descendants7 generations forward: 20 descendants8 generations forward: 21 descendants9 generations forward: 13 descendants10 generations forward: 3 descendants11 generations forward: 1 descendant K952292 · Puritan-Bennett Companion Nasal Cpap System · Puritan Bennett Corp. · 19950+5+10
  1. Root · 1 generation backK952292 Puritan-Bennett Companion Nasal Cpap SystemPuritan Bennett Corp. · 1995
  2. This deviceK961626 Solo Cpap SystemRespironics, Inc. · 1996
  3. Descendant · cites it directly · 110 of its ownK973161 Cpap Humidifier (HC 200)Fisher & Paykel Electronics, Ltd. · 1998
  4. Descendant · 2 generations on · 98 of its ownK040941 Cpap Humidifier, Model HC234 (and Related Accessories)Fisher & Paykel Healthcare, Ltd. · 2004
  5. Descendant · 3 generations on · 74 of its ownK041900 HC604 Cpap HumidifierFisher & Paykel Healthcare, Ltd. · 2004
  6. Descendant · 4 generations on · 33 of its ownK082605 Vpap Auto with Humidaire 3IResmed, Ltd. · 2009
  7. Descendant · 5 generations on · 31 of its ownK091947 S8 Aspen with H4I PlusResmed, Ltd. · 2009

Showing 5 of 114 descendants. See all descendants

Descendants cleared per year

1998: 11999: 12003: 12004: 42005: 32006: 22007: 12008: 22009: 32010: 42011: 72012: 82013: 92014: 82015: 12016: 52017: 32018: 42019: 22020: 52021: 42022: 52023: 62024: 122025: 82026: 5
1998high 12 (2024) · low 0 (2000)2026

Most influential descendants

Showing 5 of 114 · See all
  • K973161Cpap Humidifier (HC 200)Fisher & Paykel Electronics, Ltd. · 1998 · cites it directly110descendants
  • K040941Cpap Humidifier, Model HC234 (and Related Accessories)Fisher & Paykel Healthcare, Ltd. · 2004 · 2 generations on98descendants
  • K041900HC604 Cpap HumidifierFisher & Paykel Healthcare, Ltd. · 2004 · 3 generations on74descendants
  • K082605Vpap Auto with Humidaire 3IResmed, Ltd. · 2009 · 4 generations on33descendants
  • K091947S8 Aspen with H4I PlusResmed, Ltd. · 2009 · 5 generations on31descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K952292Puritan-Bennett Companion Nasal Cpap SystemPuritan Bennett Corp.1995—
0 (this device)K961626Solo Cpap SystemRespironics, Inc.1996—
+1K973161Cpap Humidifier (HC 200)Fisher & Paykel Electronics, Ltd.1998—
+2K040941Cpap Humidifier, Model HC234 (and Related Accessories)Fisher & Paykel Healthcare, Ltd.2004—
+3K041900HC604 Cpap HumidifierFisher & Paykel Healthcare, Ltd.2004—
+4K082605Vpap Auto with Humidaire 3IResmed, Ltd.2009—
+5K091947S8 Aspen with H4I PlusResmed, Ltd.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
199910
200310
200440
200530
200620
200710
200820
200930
201040
201170
201280
201390
201480
201510
201650
201730
201840
201920
202050
202140
202250
202360
2024120
202580
202650
FIG. 1 — Lineage of K961626, 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? (2)

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
*K953341Aria Cpap System
Summary page 1
…15668 Classification Name 21 CFR 868.5905, 73 BZD Common/Usual Name Ventilator, Noncontinuous Proprietary Name Solo CPAP System Predicate Devices Aria CPAP Systern - K953341 Respironics, Inc. 1001 Murry Ridge Drive Murrysville, PA 15668 Companion 314 Nasal CPAP System - K952292 Nellcor Puritan-Bennett…
Respironics, Inc.1996—
*K952292Puritan-Bennett Companion Nasal Cpap System
Summary page 1
…ry Name Solo CPAP System Predicate Devices Aria CPAP Systern - K953341 Respironics, Inc. 1001 Murry Ridge Drive Murrysville, PA 15668 Companion 314 Nasal CPAP System - K952292 Nellcor Puritan-Bennett 10800 Pflumm Road Lenexa, KS 66215 © 1996 Respironics, Inc. April 23, 1596 Sectinn 12, Page 1 === Pag…
Puritan Bennett Corp.1995—

What descends from it? (114)

See all 114

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

NumberDeviceApplicantDecidedDescendants
K973161Cpap Humidifier (HC 200)Fisher & Paykel Electronics, Ltd.1998110
K982242Invacare CpapInvacare Corp.19992

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?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K973161 (Fisher & Paykel Electronics, Ltd., 1998) has gone furthest, with 110 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.

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 Respironics Solo CPAP System is intended to deliver Continuous Positive Airway Pressure (CPAP) therapy for the treatment of adult Obstructive Sleep Apnea (OSA) only. The Solo CPAP System may be used in clinical settings (hospitals & sleep labs) and in home environments, and must be prescribed by a physician. It is not intended for life support or life sustaining applications. The device is used in conjunction with a mask (various styles and sizes available), headgear, and a combination of breathing circuit accessories.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K961626: Solo Cpap System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K961626

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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