510(k) Report

510(k) · Cleared

Recalled · Class II · 2016

GE Datex-Ohmeda Aisys CS2 (Aisys CS^2)

K132530510(k) TraditionalCleared Dec 20, 2013130-day reviewClass II21 CFR 868.5160Recalls 3

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

Datex-Ohmeda, Inc. · BSZ Gas-Machine, Anesthesia

Cleared on Dec 20, 2013 as substantially equivalent to K110213 (Datex-Ohmeda, Inc., 2011) after a 130-day review. Its family tree reaches back 13 generations to 1991. 8 of the 88 devices in its family, counting itself, have a Class I recall. 2 later devices descend from it. It has been recalled 3 times.

Decided
Dec 20, 2013
Review
130 days
Class
Class II
Product code
BSZ
Recalls
3
Predicates
1

Its longest line of descent runs back 13 generations to K902859 (1991). 85 ancestors in all, the oldest K883038 (1988). 2 later devices descend from it, 2 citing it directly. 8 of the 88 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2009: 1 other ancestor2008: 2 other ancestors2004: 8 other ancestors, 1 with a Class I recall11998: 9 other ancestors, 2 with a Class I recall22007: 1 other ancestor2006: 3 other ancestors2005: 2 other ancestors2001: 5 other ancestors1994: 4 other ancestors1990: 5 other ancestors2002: 2 other ancestors2003: 3 other ancestors, 1 with a Class I recall12000: 3 other ancestors, 1 with a Class I recall11999: 6 other ancestors1997: 3 other ancestors1996: 3 other ancestors1995: 4 other ancestors1993: 1 other ancestor1991: 4 other ancestors1992: 2 other ancestors1988: 1 other ancestor2017: 2 descendants cleared, 1 with a Class I recall1Reference device: K001814 · Datex-Ohmeda Compact Airway Module M-Caiovx and M-Covx (Version 01) and Accessories · Datex-Ohmeda · 2000Reference device: K051092 · Datex-Ohmeda S/5 Compact Airway Module (Model Family E-Caiovx) E-Caiovx, E-Caiov, E-Caio, E-Covx, E-Cov, E-CO & Accesacc · GE Healthcare · 2005 · recalledReference device: K123195 · Carescape Respiratory Modules, E-Sco, E-Scov, E-Scaiov and Accessories · GE Healthcare Finland Oy · 2013 · Class I recallReference device: K973985 · AS/3 Anaesthesia Delivery Unit (as/3 Adu) · Datex-Engstrom, Inc. · 1998 · recalledReference device: K092027 · Carescape Monitor B850 · Ge Medical Systems Information Technologies · 2009 · recalledReference device: K102239 · Carescape Monitor B650 · GE Healthcare Finland Oy · 2010 · 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×3: 3 generations cleared close together, K052554 (2005), K053270 (2006), K061627 (2006) K063404 · Servo-I Ventilator System, Models 64, 87 and 800 · Maquet Critical Care AB · 2007K081842 · Engstrom Carestation, Engstrom Pro · Datex-Ohmeda, Inc. · 2008K093886 · Engstrom Carestation, Engstrom Pro · Datex-Ohmeda Inc., A Division of Instrumentarium C · 2010K110213 · GE Datex-Ohmeda Aisys · Datex-Ohmeda, Inc. · 2011 · Class I recall1990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 4 other ancestors, 1 with a Class I recall14 generations back: 8 other ancestors5 generations back: 7 other ancestors6 generations back: 12 other ancestors, 2 with a Class I recall27 generations back: 13 other ancestors, 1 with a Class I recall18 generations back: 10 other ancestors, 1 with a Class I recall19 generations back: 14 other ancestors10 generations back: 2 other ancestors11 generations back: 1 other ancestor 1 generation forward: 2 descendants, 1 with a Class I recall1 K110213 · GE Datex-Ohmeda Aisys · Datex-Ohmeda, Inc. · 2011 · Class I recallK093886 · Engstrom Carestation, Engstrom Pro · Datex-Ohmeda Inc., A Division of Instrumentarium C · 2010K081842 · Engstrom Carestation, Engstrom Pro · Datex-Ohmeda, Inc. · 2008K063404 · Servo-I Ventilator System, Models 64, 87 and 800 · Maquet Critical Care AB · 2007K061627 · Modification to I Vent 201 · Versamed Medical Systems, Inc. · 2006K053270 · IVENT 201 · Versamed Medical Systems, Inc. · 2006K052554 · Modification to: Ivent 201 Portable Ventilator · Versamed Medical Systems, Inc. · 2005K032451 · Bird Tbird Vela Ventilator · Bird Products Corp. · 2004 · recalledK013642 · AVEA · Bird Products Corp. · 2002 · Class I recallK992788 · Bear Cub 750 PSV · Bear Medical Systems, Inc. · 1999K970839 · Servo Ventilator 300A · Siemens Elema AB · 1997 · recalledK960010 · Servo Ventilator 300 Computer Interface · Siemens Elema AB · 1996K902859 · Servo Ventilator 300 · Siemens Life Support Systems · 1991 · recalled−10−50
  1. Root · 13 generations backK902859 Servo Ventilator 300Siemens Life Support Systems · 1991 · Recalled
  2. 9 generations between
  3. 3 generations backK081842 Engstrom Carestation, Engstrom ProDatex-Ohmeda, Inc. · 2008
  4. 2 generations backK093886 Engstrom Carestation, Engstrom ProDatex-Ohmeda Inc., A Division of Instrumentarium C · 2010
  5. 1 generation backK110213 GE Datex-Ohmeda AisysDatex-Ohmeda, Inc. · 2011 · Recalled (Class I)
  6. This deviceK132530 GE Datex-Ohmeda Aisys CS2 (Aisys CS^2)Datex-Ohmeda, Inc. · 2013
  7. Descendant · cites it directly · 0 of its ownK172045 Aestiva 7900, Aestiva MRI, Aestiva 7100, Aestiva 7100 Compact…Datex-Ohmeda, Inc. · 2017 · Recalled (Class I)
  8. Descendant · cites it directly · 0 of its ownK170872 Aisys CS2Datex-Ohmeda, Inc. · 2017 · Recalled
Show all 13 generations
  1. Root · 13 generations backK902859 Servo Ventilator 300Siemens Life Support Systems · 1991 · Recalled
  2. 12 generations backK960010 Servo Ventilator 300 Computer InterfaceSiemens Elema AB · 1996
  3. 11 generations backK970839 Servo Ventilator 300ASiemens Elema AB · 1997 · Recalled
  4. 10 generations backK992788 Bear Cub 750 PSVBear Medical Systems, Inc. · 1999
  5. 9 generations backK013642 AVEABird Products Corp. · 2002 · Recalled (Class I)
  6. 8 generations backK032451 Bird Tbird Vela VentilatorBird Products Corp. · 2004 · Recalled
  7. 7 generations backK052554 Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc. · 2005
  8. 6 generations backK053270 IVENT 201Versamed Medical Systems, Inc. · 2006
  9. 5 generations backK061627 Modification to I Vent 201Versamed Medical Systems, Inc. · 2006
  10. 4 generations backK063404 Servo-I Ventilator System, Models 64, 87 and 800Maquet Critical Care AB · 2007
  11. 3 generations backK081842 Engstrom Carestation, Engstrom ProDatex-Ohmeda, Inc. · 2008
  12. 2 generations backK093886 Engstrom Carestation, Engstrom ProDatex-Ohmeda Inc., A Division of Instrumentarium C · 2010
  13. 1 generation backK110213 GE Datex-Ohmeda AisysDatex-Ohmeda, Inc. · 2011 · Recalled (Class I)
  14. This deviceK132530 GE Datex-Ohmeda Aisys CS2 (Aisys CS^2)Datex-Ohmeda, Inc. · 2013

Class I recalls in this family

Most influential descendants

Showing 2 of 2 · See all
  • K172045Aestiva 7900, Aestiva MRI, Aestiva 7100, Aestiva 7100 Compact, Aespire 100, Aespire…Datex-Ohmeda, Inc. · 2017 · cites it directly0descendants
  • K170872Aisys CS2Datex-Ohmeda, Inc. · 2017 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−13K902859Servo Ventilator 300Siemens Life Support Systems19913
−12K960010Servo Ventilator 300 Computer InterfaceSiemens Elema AB1996—
−11K970839Servo Ventilator 300ASiemens Elema AB19974
−10K992788Bear Cub 750 PSVBear Medical Systems, Inc.1999—
−9K013642AVEABird Products Corp.2002Class I
−8K032451Bird Tbird Vela VentilatorBird Products Corp.20041
−7K052554Modification to: Ivent 201 Portable VentilatorVersamed Medical Systems, Inc.2005—
−6K053270IVENT 201Versamed Medical Systems, Inc.2006—
−5K061627Modification to I Vent 201Versamed Medical Systems, Inc.2006—
−4K063404Servo-I Ventilator System, Models 64, 87 and 800Maquet Critical Care AB2007—
−3K081842Engstrom Carestation, Engstrom ProDatex-Ohmeda, Inc.2008—
−2K093886Engstrom Carestation, Engstrom ProDatex-Ohmeda Inc., A Division of Instrumentarium C2010—
−1K110213GE Datex-Ohmeda AisysDatex-Ohmeda, Inc.2011Class I
0 (this device)K132530GE Datex-Ohmeda Aisys CS2 (Aisys CS^2)Datex-Ohmeda, Inc.2013—
+1K172045Aestiva 7900, Aestiva MRI, Aestiva 7100, Aestiva 7100 Compact, Aespire 100…Datex-Ohmeda, Inc.2017Class I
+1K170872Aisys CS2Datex-Ohmeda, Inc.20174

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198810
199050
199140
199220
199310
199440
199540
199630
199730
199892
199960
200031
200150
200220
200331
200481
200520
200630
200710
200820
200910

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201721
FIG. 1 — Lineage of K132530, 1991–2017Source: 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.

8 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 BSZ device

  1. #1 K253330 A5 Anesthesia System (A5); A7 Anesthesia…score 16.7 · 18 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? (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
*K110213GE Datex-Ohmeda Aisys
Summary page 1
…(a)(3) The GE Datex-Ohmeda Aisys CS2 is substantially equivalent in safety and effectiveness to the legally marketed (predicate) GE Datex-Ohmedla Aisys (K1 10213). 24…
Datex-Ohmeda, Inc.2011Class I
†K001814Datex-Ohmeda Compact Airway Module M-Caiovx and M-Covx (Version 01) and AccessoriesDatex-Ohmeda2000—
†K051092Datex-Ohmeda S/5 Compact Airway Module (Model Family E-Caiovx) E-Caiovx, E-Caiov…GE Healthcare20052
†K123195Carescape Respiratory Modules, E-Sco, E-Scov, E-Scaiov and AccessoriesGE Healthcare Finland Oy2013Class I
†K973985AS/3 Anaesthesia Delivery Unit (as/3 Adu)Datex-Engstrom, Inc.19988
†K973895Aladin cassette—
†K092027Carescape Monitor B850Ge Medical Systems Information Technologies20099
†K102239Carescape Monitor B650GE Healthcare Finland Oy20108

Also cleared against K110213: 2 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K172045Aestiva 7900, Aestiva MRI, Aestiva 7100, Aestiva 7100 Compact, Aespire 100, Aespire… Class IDatex-Ohmeda, Inc.20170
K170872Aisys CS2Datex-Ohmeda, Inc.20170

Has anything in its family been recalled? (8 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 15, 2016Class IIZ-1562-2016Employee errorThe vacuum suction tubing could be kinked within the machine resulting in suction less than the 20 lpm required by ISO 10079-3. This could result in inadequate suction performance to clear the airway and inadequate ventilation of the…
Feb 17, 2016Class IIZ-1381-2016Nonconforming Material/ComponentGE Healthcare has recently become aware of a potential safety issue involving a momentary, self-correcting anesthetic agent bolus when using 21% oxygen on all Aisys CS2 and upgraded Aisys anesthesia devices.
Dec 15, 2015Class IIZ-0681-2016Nonconforming Material/ComponentThe Drive Gas Check Valve of certain Anesthesia products could become stuck in a fixed open position, which could cause pressure to build in the mechanical ventilation cycle. If this issue is left unresolved, it could result in excessive…

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.

  • K110213GE Datex-Ohmeda AisysDatex-Ohmeda, Inc. · 2011 · Direct predicate · ◆ on the line of descent in FIG. 12 Class I recalls
  • K041223Modification to Servo-I Ventilator System, Model 64 87 800 E407EMaquet Critical Care AB · 2004 · 3 generations back · ◆ in the 2004 ancestors bar of FIG. 11 Class I recall
  • K023366Datex-Ohmeda 7900 Ventilator EnhancementsDatex-Ohmeda, Inc. · 2003 · 6 generations back · ◆ in the 2003 ancestors bar of FIG. 11 Class I recall
  • K001646Puritan-Bennett 840 Ventilator System with Neomode OptionPuritan Bennett Corp. · 2000 · 6 generations back · ◆ in the 2000 ancestors bar of FIG. 11 Class I recall
  • K013642AVEABird Products Corp. · 2002 · 7 generations back · ◆ on the line of descent in FIG. 113 Class I recalls
  • K981072Esprit VentilatorRespironics, Inc. · 1998 · 7 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K970460Nellcor Puritan Bennett, 840 Ventilator System (Model 840)Puritan Bennett Corp. · 1998 · 8 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K172045Aestiva 7900, Aestiva MRI, Aestiva 7100, Aestiva 7100 Compact, Aespire 100, Aespire 7100, Aespire 7900…Datex-Ohmeda, Inc. · 2017 · Cites it directly · ◆ in the 2017 descendants bar of FIG. 110 Class I recalls

What does this lineage say?

  • The line of descent spans 22 years and passes through 8 companies; a new generation was cleared every 1.6 years on median.
  • 29 of the 85 ancestors have a recall of any class; 7 have a Class I recall.
  • Of its descendants, K172045 (Datex-Ohmeda, Inc., 2017) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K110213.

How does its category compare?

All BSZ devices

BSZ Gas-Machine, Anesthesia: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.

FDA decisions per year · BSZ

1in 2025

2007: 32008: 82009: 32010: 12011: 62012: 52013: 52014: 42015: 42016: 12017: 32018: 22020: 12021: 12023: 22025: 12026 (partial year): 2
2007high 8 (2008) · low 0 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · BSZ

145in 2017

2007: 175 days median2008: 99 days median2009: 34 days median2011: 218 days median2012: 134 days median2013: 125 days median2014: 235 days median2015: 134 days median2017: 145 days median
2007high 235 (2014) · low 34 (2009)2026

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

Recalls per year · BSZ

5in 2025

2007: 12008: 82009: 32010: 142011: 12012: 7, 6 Class I2013: 5, 5 Class I2015: 7, 2 Class I2016: 12017: 5, 1 Class I2018: 32019: 5, 2 Class I2020: 72021: 2, 1 Class I2022: 4, 3 Class I2023: 62024: 13, 13 Class I2025: 5, 3 Class I2026 (partial year): 7, 2 Class I
2007high 14 (2010) · low 0 (2014)2026

Class I (38 since 2007) Class II/III not classified

Adverse event reports per year · BSZ

9,198in 2025

2007: 1322008: 1042009: 852010: 972011: 872012: 892013: 3082014: 2792015: 5722016: 2,1352017: 2,3552018: 2,5892019: 1,9572020: 2,6872021: 3,1232022: 4,3522023: 5,5952024: 6,0672025: 9,198
2007high 9,198 (2025) · low 85 (2009)2025

MAUDE reports naming product code BSZ, 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
200731751132
20088998104
2009334385
20101—1497
20116218187
201251347 (6)89
201351255 (5)308
201442350279
201541347 (2)572
20161—12,135
201731455 (1)2,355
20182—32,589
20190—5 (2)1,957
20201—72,687
20211—2 (1)3,123
20220—4 (3)4,352
20232—65,595
20240—13 (13)6,067
20251—5 (3)9,198
20262—7 (2)—

What is it indicated for?

The GE Datex-Ohmeda Aisys CS 2 Anesthesia System is intended to provide general inhalation anesthesia and ventilatory support to a wide range of patients (neonatal, pediatric, adult). The device is intended for volume or pressure control ventilation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K132530: GE Datex-Ohmeda Aisys CS2 (Aisys CS^2).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K132530

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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