510(k) Report

510(k) · Cleared

Recalled · Class II · 2013

Nellcor Puritan Bennett, 740 Ventilator System

K964540510(k) TraditionalCleared Nov 14, 1997367-day reviewClass II21 CFR 868.5895Recalls 4

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

Puritan Bennett Corp. · CBK Ventilator, Continuous, Facility Use

Cleared on Nov 14, 1997 as substantially equivalent to K902506 (Puritan Bennett Corp., 1991) and 1 other predicate after a 367-day review. Its family tree reaches back 1 generation to 1986. 1 of the 12 devices in its family, counting itself, has a Class I recall. 9 later devices descend from it. It has been recalled 4 times.

Decided
Nov 14, 1997
Review
367 days
Class
Class II
Product code
CBK
Recalls
4
Predicates
2

Its longest line of descent runs back 1 generation to K864394 (1986). 2 ancestors in all. 9 later devices descend from it, 1 citing it directly. 1 of the 12 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1991: 1 other ancestor1998: 1 descendant cleared2002: 1 descendant cleared2007: 1 descendant cleared2004: 1 descendant cleared2005: 2 descendants cleared2008: 1 descendant cleared2012: 1 descendant cleared2013: 1 descendant cleared, 1 with a Class I recall1K864394 · Emerson 3MV Volume Ventilator · J. H. Emerson Co. · 19861990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 2 descendants4 generations forward: 1 descendant5 generations forward: 1 descendant6 generations forward: 2 descendants, 1 with a Class I recall1 K864394 · Emerson 3MV Volume Ventilator · J. H. Emerson Co. · 19860+5
  1. Root · 1 generation backK864394 Emerson 3MV Volume VentilatorJ. H. Emerson Co. · 1986
  2. This deviceK964540 Nellcor Puritan Bennett, 740 Ventilator SystemPuritan Bennett Corp. · 1997
  3. Descendant · cites it directly · 8 of its ownK984379 Nellcor Puritan Bennett, 760 Ventilator SystemPuritan Bennett Corp. · 1998 · Recalled
  4. Descendant · 2 generations on · 6 of its ownK021112 Inspiration Ventilator SystemeVent Medical, Ltd. · 2002
  5. Descendant · 3 generations on · 4 of its ownK030341 Modification to Inspiration Ventilator SystemeVent Medical, Ltd. · 2004
  6. Descendant · 4 generations on · 3 of its ownK051550 Inspiration Ventilator SystemeVent Medical, Ltd. · 2005 · Recalled
  7. Descendant · 5 generations on · 2 of its ownK072590 Inspiration; Ventilator System, LS Ventilator System, Infant…Event Medical, Inc. · 2008

Showing 5 of 9 descendants. See all descendants

Descendants cleared per year

1998: 12002: 12004: 12005: 22007: 12008: 12012: 12013: 1
1998high 2 (2005) · low 0 (1999)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 9 · See all
  • K984379Nellcor Puritan Bennett, 760 Ventilator SystemPuritan Bennett Corp. · 1998 · cites it directly8descendants
  • K021112Inspiration Ventilator SystemeVent Medical, Ltd. · 2002 · 2 generations on6descendants
  • K030341Modification to Inspiration Ventilator SystemeVent Medical, Ltd. · 2004 · 3 generations on4descendants
  • K051550Inspiration Ventilator SystemeVent Medical, Ltd. · 2005 · 4 generations on3descendants
  • K072590Inspiration; Ventilator System, LS Ventilator System, Infant Ventilator System and…Event Medical, Inc. · 2008 · 5 generations on2descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K864394Emerson 3MV Volume VentilatorJ. H. Emerson Co.1986—
0 (this device)K964540Nellcor Puritan Bennett, 740 Ventilator SystemPuritan Bennett Corp.1997—
+1K984379Nellcor Puritan Bennett, 760 Ventilator SystemPuritan Bennett Corp.19984
+2K021112Inspiration Ventilator SystemeVent Medical, Ltd.2002—
+3K030341Modification to Inspiration Ventilator SystemeVent Medical, Ltd.2004—
+4K051550Inspiration Ventilator SystemeVent Medical, Ltd.20051
+5K072590Inspiration; Ventilator System, LS Ventilator System, Infant Ventilator System…Event Medical, Inc.2008—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200210
200410
200520
200710
200810
201210
201311
FIG. 1 — Lineage of K964540, 1986–2013Source: 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.

1 device in this family has 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? (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
*K9025067200AE Microprocessor Ventilator W/Enhanced Hard.
Summary page 1
…-BennettCorp. is claiming substantial equivalence to the following three predicate medical devices: Predicate Device 510(k) Number Classification Puritan Bennett Corp., K9025068 Class I, 7200 Series Ventilator Continuous Ventilator per 21 CFR 868.5895 Emerson Company, J.H., K864394 Class Il Emerson 3-MV…
Puritan Bennett Corp.1991—
*K864394Emerson 3MV Volume Ventilator
Summary page 1
…te Device 510(k) Number Classification Puritan Bennett Corp., K9025068 Class I, 7200 Series Ventilator Continuous Ventilator per 21 CFR 868.5895 Emerson Company, J.H., K864394 Class Il Emerson 3-MV IMV Continuous Ventilator per 21 CFR 868.5895 1. DEVICE DESCRIPTION: The device is a low-cost, critical c…
J. H. Emerson Co.1986—

Also cleared against K902506: 6 other devices →

What descends from it? (9)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K984379Nellcor Puritan Bennett, 760 Ventilator SystemPuritan Bennett Corp.19988

Has anything in its family been recalled? (1 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jan 25, 2013Class IIZ-0822-2014Labeling Change ControlCovidien is correcting labeling to clarify the operational life of the oxygen sensor (O2 sensor), PN 4-072214-00 used in the Puritan Bennett" 840, and PN, G-062010-00, used in Puritan Bennett" 740, and760 ventilator systems. The Operators…
Jan 25, 2013Class IIZ-0821-2014Labeling Change ControlCovidien is correcting labeling to clarify the operational life of the oxygen sensor (O2 sensor), PN 4-072214-00 used in the Puritan Bennett" 840, and PN, G-062010-00, used in Puritan Bennett" 740, and760 ventilator systems. The Operators…
Dec 17, 2004Not classifiedZ-0445-05OtherCapacitor weakness in backup alarm system might fail causing lack of backup alarm to function in the event of total power loss.
Dec 16, 2004Not classifiedZ-0444-05OtherWires on battery may loosen causing disconnection.

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.

  • K130178Inspiration Ventilator System 5I/7IeVent Medical, Ltd. · 2013 · 6 generations on · ◆ in the 2013 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K984379 (Puritan Bennett Corp., 1998) has gone furthest, with 8 descendants of its own.
  • 6 other devices also cite its predicate K902506.

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)—

What is it indicated for?

The 740 Ventilator System is used to provide continuous ventilation to patient's requiring respiratory support. This device is used for a wide range of patients from pediatric to adult and for a wide variety of clinical conditions.

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. “K964540: Nellcor Puritan Bennett, 740 Ventilator System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K964540

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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