510(k) Report

510(k) · Cleared

Cleared

EVITA 4

K961687510(k) TraditionalCleared Dec 13, 1996226-day reviewClass II21 CFR 868.5895

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

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

Cleared on Dec 13, 1996 as substantially equivalent to K924930 (Drager, Inc., 1994) and 2 other predicates after a 226-day review. Its family tree reaches back 1 generation to 1991. 57 of the 215 devices in its family, counting itself, have a Class I recall. 211 later devices descend from it.

Decided
Dec 13, 1996
Review
226 days
Class
Class II
Product code
CBK
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K902859 (1991). 3 ancestors in all. 211 later devices descend from it, 11 citing it directly. 57 of the 215 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1995: 1 other ancestor1994: 1 other ancestor2004: 12 descendants cleared, 2 with a Class I recall22002: 5 descendants cleared, 2 with a Class I recall21998: 3 descendants cleared, 2 with a Class I recall22010: 11 descendants cleared, 3 with a Class I recall31997: 1 descendant cleared1999: 2 descendants cleared, 1 with a Class I recall12008: 14 descendants cleared, 3 with a Class I recall32012: 18 descendants cleared, 5 with a Class I recall52007: 7 descendants cleared, 2 with a Class I recall22005: 8 descendants cleared2006: 11 descendants cleared, 1 with a Class I recall12023: 6 descendants cleared, 2 with a Class I recall22003: 1 descendant cleared2011: 15 descendants cleared, 7 with a Class I recall72014: 8 descendants cleared, 2 with a Class I recall22025: 6 descendants cleared2015: 8 descendants cleared, 1 with a Class I recall12009: 8 descendants cleared, 2 with a Class I recall22026: 7 descendants cleared2021: 7 descendants cleared, 3 with a Class I recall32017: 11 descendants cleared, 5 with a Class I recall52013: 10 descendants cleared, 4 with a Class I recall42016: 10 descendants cleared, 3 with a Class I recall32019: 9 descendants cleared, 3 with a Class I recall32024: 5 descendants cleared2018: 3 descendants cleared, 1 with a Class I recall12020: 4 descendants cleared, 3 with a Class I recall32022: 1 descendant clearedK902859 · Servo Ventilator 300 · Siemens Life Support Systems · 1991 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors 1 generation forward: 11 descendants, 7 with a Class I recall72 generations forward: 23 descendants, 4 with a Class I recall43 generations forward: 28 descendants, 3 with a Class I recall34 generations forward: 47 descendants, 14 with a Class I recall145 generations forward: 37 descendants, 13 with a Class I recall136 generations forward: 33 descendants, 8 with a Class I recall87 generations forward: 17 descendants, 4 with a Class I recall48 generations forward: 8 descendants, 2 with a Class I recall29 generations forward: 4 descendants10 generations forward: 2 descendants, 1 with a Class I recall111 generations forward: 1 descendant, 1 with a Class I recall1 K902859 · Servo Ventilator 300 · Siemens Life Support Systems · 1991 · recalled0+5+10
  1. Root · 1 generation backK902859 Servo Ventilator 300Siemens Life Support Systems · 1991 · Recalled
  2. This deviceK961687 EVITA 4Drager, Inc. · 1996
  3. Descendant · cites it directly · 174 of its ownK970460 Nellcor Puritan Bennett, 840 Ventilator System (Model 840)Puritan Bennett Corp. · 1998 · Recalled (Class I)
  4. Descendant · cites it directly · 140 of its ownK970165 Evita 2 DuraDrager, Inc. · 1997
  5. Descendant · cites it directly · 133 of its ownK013642 AVEABird Products Corp. · 2002 · Recalled (Class I)
  6. Descendant · 2 generations on · 114 of its ownK032451 Bird Tbird Vela VentilatorBird Products Corp. · 2004 · Recalled
  7. Descendant · 3 generations on · 112 of its ownK052554 Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc. · 2005

Showing 5 of 211 descendants. See all descendants

Descendants cleared per year

1997: 11998: 31999: 22002: 52003: 12004: 122005: 82006: 112007: 72008: 142009: 82010: 112011: 152012: 182013: 102014: 82015: 82016: 102017: 112018: 32019: 92020: 42021: 72022: 12023: 62024: 52025: 62026: 7
1997high 18 (2012) · low 0 (2000)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 211 · See all
  • K970460Nellcor Puritan Bennett, 840 Ventilator System (Model 840)Puritan Bennett Corp. · 1998 · cites it directly174descendants
  • K970165Evita 2 DuraDrager, Inc. · 1997 · cites it directly140descendants
  • K013642AVEABird Products Corp. · 2002 · cites it directly133descendants
  • K032451Bird Tbird Vela VentilatorBird Products Corp. · 2004 · 2 generations on114descendants
  • K052554Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc. · 2005 · 3 generations on112descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K902859Servo Ventilator 300Siemens Life Support Systems19913
0 (this device)K961687EVITA 4Drager, Inc.1996—
+1K970460Nellcor Puritan Bennett, 840 Ventilator System (Model 840)Puritan Bennett Corp.1998Class I
+1K970165Evita 2 DuraDrager, Inc.1997—
+1K013642AVEABird Products Corp.2002Class I
+2K032451Bird Tbird Vela VentilatorBird Products Corp.20041
+3K052554Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
199832
199921
200252
200310
2004122
200580
2006111
200772
2008143
200982
2010113
2011157
2012185
2013104
201482
201581
2016103
2017115
201831
201993
202043
202173
202210
202362
202450
202560
202670
FIG. 1 — Lineage of K961687, 1991–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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.

57 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
Get a 510(k) Report

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
*K924930EVITA
Summary page 1
…k Germany April 24, 1996 Evita 4 Owner/Operator ID No. Drager Inc.: Registration No. Dragerwerk AG: Class I 73 CBK Ventilator, Continuous A911151 510(k) Number: K92 49 30 510(k) Number: K92 28 49 510(k) Number: K90 28 59 Drager EVITA 4 Premarket Notification Submission, 510(k) 2431188 96 11 500 "…
Drager, Inc.1994—
*K942849Capnosat
Our OCR of the scanned summary read K922849, which is not a number in FDA’s lists. Corrected to the number one digit away whose FDA name carries the summary’s words for the device, “Drager Capnosat”.
Spegas Industries, Ltd.1995—
*K902859Servo Ventilator 300
Summary page 1
…ID No. Drager Inc.: Registration No. Dragerwerk AG: Class I 73 CBK Ventilator, Continuous A911151 510(k) Number: K92 49 30 510(k) Number: K92 28 49 510(k) Number: K90 28 59 Drager EVITA 4 Premarket Notification Submission, 510(k) 2431188 96 11 500 "ADDR
Siemens Life Support Systems19913

What descends from it? (211)

See all 211

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

NumberDeviceApplicantDecidedDescendants
K970460Nellcor Puritan Bennett, 840 Ventilator System (Model 840) Class IPuritan Bennett Corp.1998174
K970165Evita 2 DuraDrager, Inc.1997140
K013642AVEA Class IBird Products Corp.2002133
K984535Puritan-Bennett 840 Ventilatory System with Bilevel Option Class IPuritan Bennett Corp.199855
K021573Puritan-Bennett 840 Ventilatior System with Volume Ventilation Plus OptionPuritan-Bennett200252
K030624Modification to Fabius GS Anesthesia SystemDraeger Medical, Inc.200415
K093632Infinity Acute Care System Workstation Neonatal Care Class IDrager Medical AG & Co. Kgaa201010
K042086Fabius GS Anesthesia System; Fabius Tiro Anesthesia SystemDraeger Medical, Inc.20042
K023350Esprit Ventilator with Respiratory Mechanics Class IRespironics California, Inc.20022
K042419Fabius GS/Fabius Tiro Anesthesia System Class IDraeger Medical, Inc.20041

Has anything in its family been recalled? (57 Class I)

No FDA recall names this device.

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.

  • K013642AVEABird Products Corp. · 2002 · Cites it directly · ◆ in the 2002 descendants bar of FIG. 113 Class I recalls
  • K984535Puritan-Bennett 840 Ventilatory System with Bilevel OptionPuritan Bennett Corp. · 1998 · Cites it directly · ◆ in the 1998 descendants bar of FIG. 11 Class I recall
  • K023350Esprit Ventilator with Respiratory MechanicsRespironics California, Inc. · 2002 · Cites it directly · ◆ in the 2002 descendants bar of FIG. 11 Class I recall
  • K093632Infinity Acute Care System Workstation Neonatal CareDrager Medical AG & Co. Kgaa · 2010 · Cites it directly · ◆ in the 2010 descendants bar of FIG. 14 Class I recalls
  • K042419Fabius GS/Fabius Tiro Anesthesia SystemDraeger Medical, Inc. · 2004 · Cites it directly · ◆ in the 2004 descendants bar of FIG. 14 Class I recalls
  • K993071Puritan-Bennett Ventilator System with ET/Tracheostomy Tube Compensation, TC, Option, Model 840Puritan Bennett Corp. · 1999 · Cites it directly · ◆ in the 1999 descendants bar of FIG. 11 Class I recall
  • K970460Nellcor Puritan Bennett, 840 Ventilator System (Model 840)Puritan Bennett Corp. · 1998 · Cites it directly · ◆ in the 1998 descendants bar of FIG. 11 Class I recall
  • K053388Model 840 Ventilator with Proportional Assist Ventilation Plus Software OptionPuritan Bennett Corp. · 2006 · 2 generations on · ◆ in the 2006 descendants bar of FIG. 11 Class I recall
  • K034040Esprit Ventilator, Model V1000Respironics, Inc. · 2004 · 2 generations on · ◆ in the 2004 descendants bar of FIG. 11 Class I recall
  • K072884Fabius MriDraeger Medical AG & Co. KG · 2008 · 2 generations on · ◆ in the 2008 descendants bar of FIG. 11 Class I recall
  • K121225Hamilton-C2Hamilton Medical AG · 2012 · 2 generations on · ◆ in the 2012 descendants bar of FIG. 11 Class I recall
  • K070594Palmtop Ventilator, Models PTV-8, PTV-10Pulmonetic Systems, Inc. · 2007 · 3 generations on · ◆ in the 2007 descendants bar of FIG. 12 Class I recalls

Nearest 12 of 57 shown.

What does this lineage say?

  • 1 of the 3 ancestors has a recall of any class.
  • Of its descendants, K970460 (Puritan Bennett Corp., 1998) has gone furthest, with 174 descendants of its own.

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.

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)—
Cite this page

510(k) Report. “K961687: EVITA 4.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K961687

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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