510(k) Report

510(k) · Cleared

Recalled · Class II · 2023

Vivo 45 LS

K233452510(k) TraditionalCleared Jan 13, 2025451-day reviewClass II21 CFR 868.5895Recalls 1

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

Breas Medical AB · NOU Continuous, Ventilator, Home Use

Cleared on Jan 13, 2025 as substantially equivalent to K193586 (Breas Medical AB, 2021) after a 451-day review. Its family tree reaches back 14 generations to 1996. 18 of the 176 devices in its family, counting itself, have a Class I recall. It has been recalled once.

Decided
Jan 13, 2025
Review
451 days
Class
Class II
Product code
NOU
Recalls
1
Predicates
1

Its longest line of descent runs back 14 generations to K953930 (1996). 175 ancestors in all, the oldest K811102 (1981). No later device cites it as a predicate yet. 18 of the 176 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year cleared 2016: 2 other ancestors2017: 1 other ancestor, 1 with a Class I recall12014: 2 other ancestors2013: 1 other ancestor2011: 3 other ancestors, 1 with a Class I recall12012: 4 other ancestors2010: 3 other ancestors, 2 with a Class I recall22009: 5 other ancestors, 2 with a Class I recall22008: 4 other ancestors2007: 4 other ancestors, 1 with a Class I recall12006: 6 other ancestors2005: 5 other ancestors2004: 9 other ancestors2003: 9 other ancestors, 1 with a Class I recall12002: 10 other ancestors, 1 with a Class I recall12001: 11 other ancestors2000: 8 other ancestors, 1 with a Class I recall11999: 8 other ancestors1998: 17 other ancestors, 2 with a Class I recall21996: 10 other ancestors1984: 2 other ancestors1997: 5 other ancestors1995: 4 other ancestors1994: 10 other ancestors1993: 1 other ancestor1991: 6 other ancestors1990: 4 other ancestors1985: 1 other ancestor1992: 2 other ancestors1988: 2 other ancestors1981: 1 other ancestor1983: 1 other ancestorReference device: K131957 · MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual Limb Circuit · Fisher & Paykel Healthcare, Ltd. · 2013Reference device: K082724 · Newport HTS50 Ventilator with Dual Pac Battery System · Newport Medical Instruments, Inc. · 2008 · recalledReference device: K131895 · Airvo 2 Humidifier, Myairvo 2 Humidifier · Fisher & Paykel Healthcare, Ltd. · 2013 · recalledK953930 · Virtuoso Smart Cpap System · Respironics, Inc. · 1996K993433 · Virtuoso LX Smart Cpap System · Respironics, Inc. · 1999K012554 · Remstar Auto Cpap System · Respironics, Inc. · 2002K031460 · Modification to Remstar Auto Cpap System · Respironics, Inc. · 2003K032834 · Bipap Pro 2 BI-Level System · Respironics, Inc. · 2004×2: 2 generations cleared close together, K043607 (2005), K050759 (2005) K063830 · Remstar Aflex Cpap System · Respironics Inc., Sleep & Home Respiratory Group · 2007×2: 2 generations cleared close together, K091319 (2009), K092818 (2010) K113053 · Bipap a 30 Ventilatory Support System · Respironics, Inc. · 2012 · Class I recallK121623 · Bipap a 40 Ventilatory Support System · Respironics, Inc. · 2012 · Class I recallK181166 · Trilogy Evo · Respironics, Inc. · 2019 · Class I recallK193586 · Vivo 45 LS · Breas Medical AB · 2021 · Class I recall19801990200020102020
Other ancestors, by generation 2 generations back: 1 other ancestor3 generations back: 5 other ancestors, 2 with a Class I recall24 generations back: 13 other ancestors, 4 with a Class I recall45 generations back: 24 other ancestors, 2 with a Class I recall26 generations back: 26 other ancestors, 2 with a Class I recall27 generations back: 35 other ancestors, 2 with a Class I recall28 generations back: 35 other ancestors9 generations back: 16 other ancestors10 generations back: 5 other ancestors11 generations back: 1 other ancestor K193586 · Vivo 45 LS · Breas Medical AB · 2021 · Class I recallK181166 · Trilogy Evo · Respironics, Inc. · 2019 · Class I recallK121623 · Bipap a 40 Ventilatory Support System · Respironics, Inc. · 2012 · Class I recallK113053 · Bipap a 30 Ventilatory Support System · Respironics, Inc. · 2012 · Class I recallK092818 · Bipap Avaps Ventilatory Support System · Respironics, Inc. · 2010 · Class I recallK091319 · Remstar Auto a-Flex · Respironics Inc., Sleep & Home Respiratory Group · 2009 · Class I recallK063830 · Remstar Aflex Cpap System · Respironics Inc., Sleep & Home Respiratory Group · 2007K050759 · Bipap Auto · Respironics, Inc. · 2005 · recalledK043607 · Bipap Pro 2 BI-Level System with BI-Flex · Respironics, Inc. · 2005K032834 · Bipap Pro 2 BI-Level System · Respironics, Inc. · 2004K031460 · Modification to Remstar Auto Cpap System · Respironics, Inc. · 2003K012554 · Remstar Auto Cpap System · Respironics, Inc. · 2002K993433 · Virtuoso LX Smart Cpap System · Respironics, Inc. · 1999K953930 · Virtuoso Smart Cpap System · Respironics, Inc. · 1996−10−50
  1. Root · 14 generations backK953930 Virtuoso Smart Cpap SystemRespironics, Inc. · 1996
  2. 10 generations between
  3. 3 generations backK121623 Bipap a 40 Ventilatory Support SystemRespironics, Inc. · 2012 · Recalled (Class I)
  4. 2 generations backK181166 Trilogy EvoRespironics, Inc. · 2019 · Recalled (Class I)
  5. 1 generation backK193586 Vivo 45 LSBreas Medical AB · 2021 · Recalled (Class I)
  6. This deviceK233452 Vivo 45 LSBreas Medical AB · 2025
Show all 14 generations
  1. Root · 14 generations backK953930 Virtuoso Smart Cpap SystemRespironics, Inc. · 1996
  2. 13 generations backK993433 Virtuoso LX Smart Cpap SystemRespironics, Inc. · 1999
  3. 12 generations backK012554 Remstar Auto Cpap SystemRespironics, Inc. · 2002
  4. 11 generations backK031460 Modification to Remstar Auto Cpap SystemRespironics, Inc. · 2003
  5. 10 generations backK032834 Bipap Pro 2 BI-Level SystemRespironics, Inc. · 2004
  6. 9 generations backK043607 Bipap Pro 2 BI-Level System with BI-FlexRespironics, Inc. · 2005
  7. 8 generations backK050759 Bipap AutoRespironics, Inc. · 2005 · Recalled
  8. 7 generations backK063830 Remstar Aflex Cpap SystemRespironics Inc., Sleep & Home Respiratory Group · 2007
  9. 6 generations backK091319 Remstar Auto a-FlexRespironics Inc., Sleep & Home Respiratory Group · 2009 · Recalled (Class I)
  10. 5 generations backK092818 Bipap Avaps Ventilatory Support SystemRespironics, Inc. · 2010 · Recalled (Class I)
  11. 4 generations backK113053 Bipap a 30 Ventilatory Support SystemRespironics, Inc. · 2012 · Recalled (Class I)
  12. 3 generations backK121623 Bipap a 40 Ventilatory Support SystemRespironics, Inc. · 2012 · Recalled (Class I)
  13. 2 generations backK181166 Trilogy EvoRespironics, Inc. · 2019 · Recalled (Class I)
  14. 1 generation backK193586 Vivo 45 LSBreas Medical AB · 2021 · Recalled (Class I)
  15. This deviceK233452 Vivo 45 LSBreas Medical AB · 2025

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−14K953930Virtuoso Smart Cpap SystemRespironics, Inc.1996—
−13K993433Virtuoso LX Smart Cpap SystemRespironics, Inc.1999—
−12K012554Remstar Auto Cpap SystemRespironics, Inc.2002—
−11K031460Modification to Remstar Auto Cpap SystemRespironics, Inc.2003—
−10K032834Bipap Pro 2 BI-Level SystemRespironics, Inc.2004—
−9K043607Bipap Pro 2 BI-Level System with BI-FlexRespironics, Inc.2005—
−8K050759Bipap AutoRespironics, Inc.20051
−7K063830Remstar Aflex Cpap SystemRespironics Inc., Sleep & Home Respiratory Group2007—
−6K091319Remstar Auto a-FlexRespironics Inc., Sleep & Home Respiratory Group2009Class I
−5K092818Bipap Avaps Ventilatory Support SystemRespironics, Inc.2010Class I
−4K113053Bipap a 30 Ventilatory Support SystemRespironics, Inc.2012Class I
−3K121623Bipap a 40 Ventilatory Support SystemRespironics, Inc.2012Class I
−2K181166Trilogy EvoRespironics, Inc.2019Class I
−1K193586Vivo 45 LSBreas Medical AB2021Class I
0 (this device)K233452Vivo 45 LSBreas Medical AB2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198310
198420
198510
198820
199040
199160
199220
199310
1994100
199540
1996100
199750
1998172
199980
200081
2001110
2002101
200391
200490
200550
200660
200741
200840
200952
201032
201131
201240
201310
201420
201620
201711
FIG. 1 — Lineage of K233452, 1996–2025Source: 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.

18 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 NOU device

  1. #1 K193586 Vivo 45 LSscore -3.7 · 13 generations · Class I recall
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
*K193586Vivo 45 LS
Summary page 5
…home use Classification Name Continuous ventilators; 21 C.F.R. §868.5895 Class II Product Code: NOU Primary Predicate Device(s) Breas Medical AB Vivo 45 LS cleared in K193586 Reference Device(s) Fisher & Paykel Healthcare, LTD. MR810Respiratory Humidifier cleared in K131957 Newport Medical Instruments,…
Breas Medical AB2021Class I
†K131957MR810RESPIRATORY Humidifier, 900MR810 Adult Single Limb Circuit, 900MR810E Adult Dual…Fisher & Paykel Healthcare, Ltd.2013—
†K082724Newport HTS50 Ventilator with Dual Pac Battery SystemNewport Medical Instruments, Inc.20082
†K131895Airvo 2 Humidifier, Myairvo 2 HumidifierFisher & Paykel Healthcare, Ltd.20132

Also cleared against K193586: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (18 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 13, 2023Class IIZ-0405-2024Process controlProduced with unintended open slits on the side of the mouthpiece body, may result in insufficient ventilation in spontaneous breathing patients using MPV-VCV and MPV-PCV modes of ventilation

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.

  • K193586Vivo 45 LSBreas Medical AB · 2021 · Direct predicate · ◆ on the line of descent in FIG. 11 Class I recall
  • K181166Trilogy EvoRespironics, Inc. · 2019 · 2 generations back · ◆ on the line of descent in FIG. 131 Class I recalls
  • K162877VOCSN Unified Respiratory SystemVentec Life Systems, Inc. · 2017 · 3 generations back · ◆ in the 2017 ancestors bar of FIG. 114 Class I recalls
  • K121623Bipap a 40 Ventilatory Support SystemRespironics, Inc. · 2012 · 3 generations back · ◆ on the line of descent in FIG. 13 Class I recalls
  • K111610Trilogy Series Ventilator with OximetryRespironics, Inc. · 2011 · 3 generations back · ◆ in the 2011 ancestors bar of FIG. 12 Class I recalls
  • K113053Bipap a 30 Ventilatory Support SystemRespironics, Inc. · 2012 · 4 generations back · ◆ on the line of descent in FIG. 15 Class I recalls
  • K093905Trilogy 202 VentilatorRespironics, Inc. · 2010 · 4 generations back · ◆ in the 2010 ancestors bar of FIG. 12 Class I recalls
  • K093416Trilogy 200 VentilatorRespironics, Inc. · 2010 · 4 generations back · ◆ in the 2010 ancestors bar of FIG. 14 Class I recalls
  • K083526Trilogy 100 VentilatorRespironics Inc., Sleep & Home Respiratory Group · 2009 · 4 generations back · ◆ in the 2009 ancestors bar of FIG. 15 Class I recalls
  • K070594Palmtop Ventilator, Models PTV-8, PTV-10Pulmonetic Systems, Inc. · 2007 · 4 generations back · ◆ in the 2007 ancestors bar of FIG. 12 Class I recalls
  • K092818Bipap Avaps Ventilatory Support SystemRespironics, Inc. · 2010 · 5 generations back · ◆ on the line of descent in FIG. 11 Class I recall
  • K082660V60 Ventilator, Model V8000Respironics California, Inc. · 2009 · 5 generations back · ◆ in the 2009 ancestors bar of FIG. 13 Class I recalls

Nearest 12 of 18 shown.

What does this lineage say?

  • The line of descent spans 29 years and passes through 3 companies; a new generation was cleared every 1.7 years on median.
  • 58 of the 175 ancestors have a recall of any class; 18 have a Class I recall.
  • 1 other device also cites its predicate K193586.

How does its category compare?

All NOU devices

NOU Continuous, Ventilator, Home Use: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · NOU

1in 2025

2013: 12016: 12021: 12025: 1
2007high 1 (2013) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NOU

Too few NOU 510(k)s in any year since 2007 to give a median.

Recalls per year · NOU

1in 2023

2023: 12026 (partial year): 1, 1 Class I
2007high 1 (2023) · low 0 (2007)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · NOU

932in 2025

2007: 12012: 12013: 52014: 1122015: 1,2172016: 1,1602017: 1752018: 412019: 372020: 672021: 2482022: 3362023: 1,2592024: 8172025: 932
2007high 1,259 (2023) · low 0 (2008)2025

MAUDE reports naming product code NOU, 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
20070—01
20080—00
20090—00
20100—00
20110—00
20120—01
20131—05
20140—0112
20150—01,217
20161—01,160
20170—0175
20180—041
20190—037
20200—067
20211—0248
20220—0336
20230—11,259
20240—0817
20251—0932
20260—1 (1)—

What is it indicated for?

The Vivo 45 LS ventilator (with or without the SpO2 and CO2 sensors) is intended to provide continuous or intermittent ventilatory support for the care of individuals who require mechanical ventilation. Specifically, the ventilator is applicable for pediatric through adult patients weighing more than 5 kg (11 Ibs.), however, the mouthpiece ventilation modes are for adult patients only. The Vivo 45 LS with the SpO2 sensor is intended to measure functional…

Read the full statement (147 words)

The Vivo 45 LS ventilator (with or without the SpO2 and CO2 sensors) is intended to provide continuous or intermittent ventilatory support for the care of individuals who require mechanical ventilation. Specifically, the ventilator is applicable for pediatric through adult patients weighing more than 5 kg (11 Ibs.), however, the mouthpiece ventilation modes are for adult patients only.

The Vivo 45 LS with the SpO2 sensor is intended to measure functional oxygen saturation of arterial hemoglobin (% SpO2) and pulse rate.

The Vivo 45 LS with the CO2 sensor is intended to measure CO2 in the inspiratory and expiratory gas.

The device is intended to be used in home, institution, hospitals and portable applications such as wheelchairs and gurneys. It may be used for both invasive and non-invasive ventilation. The Vivo 45 LS is not intended to be used as an emergency transport or critical care ventilator.

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. “K233452: Vivo 45 LS.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233452

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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