510(k) Report

510(k) · Cleared

Cleared

Biochem 8100 Anesthetic Agent Monitor

K892646510(k) TraditionalCleared Aug 31, 1989141-day reviewClass II21 CFR 868.1500

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

Biochem International, Inc. · CBQ Analyzer, Gas, Enflurane, Gaseous-Phase (Anesthetic Concentration)

Cleared on Aug 31, 1989 after a 141-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 59 later devices descend from it.

Decided
Aug 31, 1989
Review
141 days
Class
Class II
Product code
CBQ
Recalls
None
Predicates
0

59 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 1998: 1 descendant cleared2004: 2 descendants cleared2005: 1 descendant cleared2006: 1 descendant cleared2019: 4 descendants cleared2007: 2 descendants cleared2009: 1 descendant cleared2015: 4 descendants cleared2014: 3 descendants cleared2011: 2 descendants cleared2008: 1 descendant cleared2020: 4 descendants cleared2012: 2 descendants cleared2013: 3 descendants cleared2021: 5 descendants cleared2017: 6 descendants cleared2016: 3 descendants cleared2022: 3 descendants cleared2018: 1 descendant cleared2023: 6 descendants cleared2025: 1 descendant cleared2024: 1 descendant cleared2026: 2 descendants cleared1990200020102020
  1. This deviceK892646 Biochem 8100 Anesthetic Agent MonitorBiochem International, Inc. · 1989
  2. Descendant · cites it directly · 58 of its ownK974581 Millennia 3500 Series Monitor with Anthesthetic AgentInvivo Research, Inc. · 1998
  3. Descendant · 2 generations on · 56 of its ownK041918 Integrated Patient Monitoring SystemInvivo Research, Inc. · 2004
  4. Descendant · 2 generations on · 56 of its ownK040915 Magnitude 3150M Mri Patient Monitor, Model 3150MInvivo Research, Inc. · 2004
  5. Descendant · 3 generations on · 55 of its ownK050399 Mri Compatible Patient Monitoring System, Model 3160Invivo Research, Inc. · 2005
  6. Descendant · 3 generations on · 53 of its ownK053462 3160 Mri Patient Monitoring SystemInvivo Corporation · 2006 · Recalled

Showing 5 of 59 descendants. See all descendants

Descendants cleared per year

1998: 12004: 22005: 12006: 12007: 22008: 12009: 12011: 22012: 22013: 32014: 32015: 42016: 32017: 62018: 12019: 42020: 42021: 52022: 32023: 62024: 12025: 12026: 2
1998high 6 (2017) · low 0 (1999)2026

Most influential descendants

Showing 5 of 59 · See all
  • K974581Millennia 3500 Series Monitor with Anthesthetic AgentInvivo Research, Inc. · 1998 · cites it directly58descendants
  • K041918Integrated Patient Monitoring SystemInvivo Research, Inc. · 2004 · 2 generations on56descendants
  • K040915Magnitude 3150M Mri Patient Monitor, Model 3150MInvivo Research, Inc. · 2004 · 2 generations on56descendants
  • K050399Mri Compatible Patient Monitoring System, Model 3160Invivo Research, Inc. · 2005 · 3 generations on55descendants
  • K0534623160 Mri Patient Monitoring SystemInvivo Corporation · 2006 · 3 generations on53descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K892646Biochem 8100 Anesthetic Agent MonitorBiochem International, Inc.1989—
+1K974581Millennia 3500 Series Monitor with Anthesthetic AgentInvivo Research, Inc.1998—
+2K041918Integrated Patient Monitoring SystemInvivo Research, Inc.2004—
+2K040915Magnitude 3150M Mri Patient Monitor, Model 3150MInvivo Research, Inc.2004—
+3K050399Mri Compatible Patient Monitoring System, Model 3160Invivo Research, Inc.2005—
+3K0534623160 Mri Patient Monitoring SystemInvivo Corporation20062

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199810
200420
200510
200610
200720
200810
200910
201120
201220
201330
201430
201540
201630
201760
201810
201940
202040
202150
202230
202360
202410
202510
202620
FIG. 1 — Lineage of K892646, 1989–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Candidate predicates for a device like this, rankedin the report
  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (59)

See all 59

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

NumberDeviceApplicantDecidedDescendants
K974581Millennia 3500 Series Monitor with Anthesthetic AgentInvivo Research, Inc.199858

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Of its descendants, K974581 (Invivo Research, Inc., 1998) has gone furthest, with 58 descendants of its own.

How does its category compare?

All CBQ devices

CBQ Analyzer, Gas, Enflurane, Gaseous-Phase (Anesthetic Concentration): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · CBQ

FDA has decided no CBQ device since 2007.

Median 510(k) review, days · CBQ

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

Recalls per year · CBQ

No recall names CBQ since 2007.

Adverse event reports per year · CBQ

1in 2022

2010: 12012: 32015: 12019: 52020: 12022: 1
2007high 5 (2019) · low 0 (2007)2025

MAUDE reports naming product code CBQ, 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—00
20080—00
20090—00
20100—01
20110—00
20120—03
20130—00
20140—00
20150—01
20160—00
20170—00
20180—00
20190—05
20200—01
20210—00
20220—01
20230—00
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K892646: Biochem 8100 Anesthetic Agent Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K892646

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026