510(k) Report

510(k) · Cleared

Recalled · Class I · 2026

Trilogy Evo Universal

K181170510(k) TraditionalCleared Jul 18, 2019442-day reviewClass II21 CFR 868.5895Recalls 13 (12 Class I)

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

Respironics, Inc. · CBK Ventilator, Continuous, Facility Use

Cleared on Jul 18, 2019 as substantially equivalent to K111610 (Respironics, Inc., 2011) and 2 other predicates after a 442-day review. Its family tree reaches back 12 generations to 1991. 10 of the 94 devices in its family, counting itself, have a Class I recall. It has been recalled 13 times, including 12 Class I recalls.

Decided
Jul 18, 2019
Review
442 days
Class
Class II
Product code
CBK
Recalls
13 (12 Class I)
Predicates
3

Its longest line of descent runs back 12 generations to K902859 (1991). 93 ancestors in all, the oldest K841279 (1984). No later device cites it as a predicate yet. 10 of the 94 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year cleared 2016: 1 other ancestor2014: 1 other ancestor2010: 3 other ancestors, 2 with a Class I recall22009: 2 other ancestors, 1 with a Class I recall12012: 2 other ancestors2008: 2 other ancestors2007: 1 other ancestor2006: 1 other ancestor2005: 3 other ancestors2003: 5 other ancestors, 1 with a Class I recall12000: 6 other ancestors, 1 with a Class I recall11999: 6 other ancestors2011: 1 other ancestor2004: 2 other ancestors2002: 3 other ancestors2001: 4 other ancestors1998: 10 other ancestors, 2 with a Class I recall21984: 2 other ancestors1997: 3 other ancestors1996: 4 other ancestors1990: 4 other ancestors1995: 3 other ancestors1994: 4 other ancestors1993: 1 other ancestor1992: 2 other ancestors1991: 4 other ancestors1988: 1 other ancestorReference device: K091459 · Philips NM3 Monitor, Model 7900 · Respironics Novametrix, LLC · 2009 · recalledK902859 · Servo Ventilator 300 · Siemens Life Support Systems · 1991 · recalledK960010 · Servo Ventilator 300 Computer Interface · Siemens Elema AB · 1996K970839 · Servo Ventilator 300A · Siemens Elema AB · 1997 · recalledK992788 · Bear Cub 750 PSV · Bear Medical Systems, Inc. · 1999K013642 · AVEA · Bird Products Corp. · 2002 · Class I recallK032451 · Bird Tbird Vela Ventilator · Bird Products Corp. · 2004 · recalled×2: 2 generations cleared close together, K052554 (2005), K053270 (2006) K061627 · Modification to I Vent 201 · Versamed Medical Systems, Inc. · 2006K111610 · Trilogy Series Ventilator with Oximetry · Respironics, Inc. · 2011 · Class I recallK123144 · VIVO 50 · Ge Healthcare, Breas Medical AB · 2013 · recalledK160481 · Vivo 60 · Breas Medical AB · 2016 · recalled19801990200020102020
  1. Root · 12 generations backK902859 Servo Ventilator 300Siemens Life Support Systems · 1991 · Recalled
  2. 8 generations between
  3. 3 generations backK111610 Trilogy Series Ventilator with OximetryRespironics, Inc. · 2011 · Recalled (Class I)
  4. 2 generations backK123144 VIVO 50Ge Healthcare, Breas Medical AB · 2013 · Recalled
  5. 1 generation backK160481 Vivo 60Breas Medical AB · 2016 · Recalled
  6. This deviceK181170 Trilogy Evo UniversalRespironics, Inc. · 2019
Show all 12 generations
  1. Root · 12 generations backK902859 Servo Ventilator 300Siemens Life Support Systems · 1991 · Recalled
  2. 11 generations backK960010 Servo Ventilator 300 Computer InterfaceSiemens Elema AB · 1996
  3. 10 generations backK970839 Servo Ventilator 300ASiemens Elema AB · 1997 · Recalled
  4. 9 generations backK992788 Bear Cub 750 PSVBear Medical Systems, Inc. · 1999
  5. 8 generations backK013642 AVEABird Products Corp. · 2002 · Recalled (Class I)
  6. 7 generations backK032451 Bird Tbird Vela VentilatorBird Products Corp. · 2004 · Recalled
  7. 6 generations backK052554 Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc. · 2005
  8. 5 generations backK053270 IVENT 201Versamed Medical Systems, Inc. · 2006
  9. 4 generations backK061627 Modification to I Vent 201Versamed Medical Systems, Inc. · 2006
  10. 3 generations backK111610 Trilogy Series Ventilator with OximetryRespironics, Inc. · 2011 · Recalled (Class I)
  11. 2 generations backK123144 VIVO 50Ge Healthcare, Breas Medical AB · 2013 · Recalled
  12. 1 generation backK160481 Vivo 60Breas Medical AB · 2016 · Recalled
  13. This deviceK181170 Trilogy Evo UniversalRespironics, Inc. · 2019

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K902859Servo Ventilator 300Siemens Life Support Systems19913
−11K960010Servo Ventilator 300 Computer InterfaceSiemens Elema AB1996—
−10K970839Servo Ventilator 300ASiemens Elema AB19974
−9K992788Bear Cub 750 PSVBear Medical Systems, Inc.1999—
−8K013642AVEABird Products Corp.2002Class I
−7K032451Bird Tbird Vela VentilatorBird Products Corp.20041
−6K052554Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc.2005—
−5K053270IVENT 201Versamed Medical Systems, Inc.2006—
−4K061627Modification to I Vent 201Versamed Medical Systems, Inc.2006—
−3K111610Trilogy Series Ventilator with OximetryRespironics, Inc.2011Class I
−2K123144VIVO 50Ge Healthcare, Breas Medical AB20131
−1K160481Vivo 60Breas Medical AB20162
0 (this device)K181170Trilogy Evo UniversalRespironics, Inc.2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198420
198810
199040
199140
199220
199310
199440
199530
199640
199730
1998102
199960
200061
200140
200230
200351
200420
200530
200610
200710
200820
200921
201032
201110
201220
201410
201610
FIG. 1 — Lineage of K181170, 1991–2019Source: 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.

10 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 CBK device

  1. #1 K252663 Inbentus Versatilescore 16.0 · 17 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? (3)

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
*K111610Trilogy Series Ventilator with Oximetry
Summary page 4
…DQA, Oximeter CCK, Analyzer, Gas, Carbon-Dioxide, Gaseous-Phase Primary Predicate Device: Trilogy Series of Ventilators with Oximetry (K111610) Predicate Devices: Breas Medical, Vivo 60 (K160481) Puritan Bennett 840 (K151252) Referen…
Respironics, Inc.2011Class I
*K160481Vivo 60
Summary page 4
…as, Carbon-Dioxide, Gaseous-Phase Primary Predicate Device: Trilogy Series of Ventilators with Oximetry (K111610) Predicate Devices: Breas Medical, Vivo 60 (K160481) Puritan Bennett 840 (K151252) Reference Device: Philips NM3 Monitor, Model 7900 (K091459)…
Breas Medical AB20162
*K151252Puritan Bennett 840 Series Ventilator System
Summary page 4
…e: Trilogy Series of Ventilators with Oximetry (K111610) Predicate Devices: Breas Medical, Vivo 60 (K160481) Puritan Bennett 840 (K151252) Reference Device: Philips NM3 Monitor, Model 7900 (K091459) Respironics Inc.…
Covidien LP2016—
†K091459Philips NM3 Monitor, Model 7900Respironics Novametrix, LLC20094

Also cleared against K111610: 4 other devices →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (10 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 2, 2026Class IZ-1649-2026Software designIn some situations, the Obstruction Alarm does not trigger within the timeframe dictated by the relevant standards and may take up to four breaths.
Mar 2, 2026Class IZ-1617-2026Under Investigation by firmUsing non-pneumatic nebulizers with Trilogy Evo Platform ventilators may result in a discrepancy between the set tidal volume and the tidal volume received by the patient.
Oct 7, 2024Class IZ-0292-2025Device DesignPotential for in-line nebulizer configuration in certain locations to result in aerosol deposit accumulation on the device's internal flow sensor, which could lead to inaccurate flow measurements.
Jul 16, 2024Class IZ-2944-2024Device DesignFirm has released a mandatory software update Version 1.05.10.00 and a User Manual addendum for affected ventilators. These updates resolve safety issues identified in earlier recalls.
Jul 16, 2024Class IZ-2942-2024Device DesignFirm has released a mandatory software update Version 1.05.10.00 and a User Manual addendum for affected ventilators. These updates resolve safety issues identified in earlier recalls.
Jul 16, 2024Class IZ-2943-2024Device DesignFirm has released a mandatory software update Version 1.05.10.00 and a User Manual addendum for affected ventilators. These updates resolve safety issues identified in earlier recalls.
Mar 19, 2024Class IZ-1505-2024Device DesignPotential for sudden loss of ventilation due to Battery Depleted or Loss of Power alarm while unit has sufficient power.
Mar 19, 2024Class IZ-1504-2024Device DesignPotential for sudden loss of ventilation due to Battery Depleted or Loss of Power alarm while unit has sufficient power.
May 1, 2023Class IZ-1652-2023Under Investigation by firmThe Trilogy Evo Universal ventilator provides continuous or intermittent positive pressure ventilation for the care of individuals who require mechanical ventilation. Trilogy Evo Universal is intended for pediatric through adult patients…
Mar 1, 2023Class IZ-1289-2023Under Investigation by firmThe accuracy of delivered oxygen may deviate below the required tolerance of 5% from setpoint when providing high concentration oxygen therapy. Additionally, if equipped, the internal FiO2 sensor may indicate a value higher than the…
Dec 22, 2021Class IZ-0493-2022Mixed-up of materials/componentsPhilips has identified a specific lot of non-conforming material manufactured by one of its suppliers. A Philips supplier incorrectly used polyester-based polyurethane (PE-PUR) sound abatement foam, a non-conforming material in the…
Dec 22, 2021Class IZ-0494-2022Mixed-up of materials/componentsPhilips has identified a specific lot of non-conforming material manufactured by one of its suppliers. A Philips supplier incorrectly used polyester-based polyurethane (PE-PUR) sound abatement foam, a non-conforming material in the…
Jul 26, 2021Class IIZ-2290-2021Labeling designTwo software issues have been identified related to pressure increase in the device: The first issue is described as "Infant/Pediatric EFS Calibration Pressure Increase" and the second issue is described as "Pressure Drift (Continuous…

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.

  • K111610Trilogy Series Ventilator with OximetryRespironics, Inc. · 2011 · Direct predicate · ◆ on the line of descent in FIG. 12 Class I recalls
  • K093905Trilogy 202 VentilatorRespironics, Inc. · 2010 · 2 generations back · ◆ in the 2010 ancestors bar of FIG. 12 Class I recalls
  • K093416Trilogy 200 VentilatorRespironics, Inc. · 2010 · 2 generations back · ◆ in the 2010 ancestors bar of FIG. 14 Class I recalls
  • K083526Trilogy 100 VentilatorRespironics Inc., Sleep & Home Respiratory Group · 2009 · 2 generations back · ◆ in the 2009 ancestors bar of FIG. 15 Class I recalls
  • K001646Puritan-Bennett 840 Ventilator System with Neomode OptionPuritan Bennett Corp. · 2000 · 3 generations back · ◆ in the 2000 ancestors bar of FIG. 11 Class I recall
  • K013642AVEABird Products Corp. · 2002 · 4 generations back · ◆ on the line of descent in FIG. 113 Class I recalls
  • K981072Esprit VentilatorRespironics, Inc. · 1998 · 4 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K023366Datex-Ohmeda 7900 Ventilator EnhancementsDatex-Ohmeda, Inc. · 2003 · 5 generations back · ◆ in the 2003 ancestors bar of FIG. 11 Class I recall
  • K970460Nellcor Puritan Bennett, 840 Ventilator System (Model 840)Puritan Bennett Corp. · 1998 · 5 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 28 years and passes through 8 companies; a new generation was cleared every 1.9 years on median.
  • 32 of the 93 ancestors have a recall of any class; 9 have a Class I recall.
  • 4 other devices also cite its predicate K111610.

How does its category compare?

All CBK devices

CBK Ventilator, Continuous, Facility Use: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · CBK

4in 2025

2007: 112008: 182009: 122010: 142011: 132012: 172013: 52014: 52015: 72016: 42017: 62018: 42019: 82020: 52021: 62023: 52024: 92025: 42026 (partial year): 3
2007high 18 (2008) · low 0 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · CBK

163in 2025

2007: 142 days median2008: 115 days median2009: 122 days median2010: 150 days median2011: 192 days median2012: 207 days median2013: 277 days median2014: 439 days median2015: 266 days median2016: 323 days median2017: 280 days median2018: 183 days median2019: 435 days median2020: 176 days median2021: 267 days median2023: 309 days median2024: 203 days median2025: 163 days median2026 (partial year): 235 days median
2007high 439 (2014) · low 115 (2008)2026

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

Recalls per year · CBK

14in 2024

2007: 172008: 232009: 82010: 92011: 122012: 2, 1 Class I2013: 5, 2 Class I2014: 5, 4 Class I2015: 6, 4 Class I2016: 4, 1 Class I2017: 12018: 3, 3 Class I2019: 14, 13 Class I2020: 42021: 21, 19 Class I2022: 8, 4 Class I2023: 4, 3 Class I2024: 14, 14 Class I2026 (partial year): 15, 13 Class I
2007high 23 (2008) · low 0 (2025)2026

Class I (81 since 2007) Class II/III not classified

Adverse event reports per year · CBK

13,991in 2025

2007: 1,5312008: 1,9332009: 1,7662010: 1,7992011: 1,8772012: 5,5092013: 7,9212014: 7,6002015: 11,8762016: 16,0562017: 14,4512018: 9,8492019: 9,1002020: 11,0962021: 13,3222022: 15,9742023: 24,9282024: 20,3362025: 13,991
2007high 24,928 (2023) · low 1,531 (2007)2025

MAUDE reports naming product code CBK, 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
200711142171,531
200818115231,933
20091212281,766
20101415091,799
201113192121,877
2012172072 (1)5,509
201352775 (2)7,921
201454395 (4)7,600
201572666 (4)11,876
201643234 (1)16,056
20176280114,451
201841833 (3)9,849
2019843514 (13)9,100
20205176411,096
2021626721 (19)13,322
20220—8 (4)15,974
202353094 (3)24,928
2024920314 (14)20,336
20254163013,991
2026323515 (13)—

What is it indicated for?

The Trilogy Evo Universal ventilator provides continuous or intermittent positive pressure ventilation for the care of individuals who require mechanical ventilation. Trilogy Evo Universal is intended for pediatric through adult patients weighing at least 2.5 kg. The ventilator can measure, display, record, and alarm SpO2, FiO2, CO2, and Pulse Rate data when integrated with the appropriate accessories. The ventilator is suitable for use in institutional/hospital settings and non-emergency transport settings for example wheelchair. It may be used for both invasive and non-invasive ventilation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K181170: Trilogy Evo Universal.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K181170

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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