510(k) Report

510(k) · Cleared

Cleared

IQ System

K922218510(k) TraditionalCleared Dec 8, 1992210-day reviewClass II21 CFR 870.1435

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

Renaissance Technology, Inc. · DXG Computer, Diagnostic, Pre-Programmed, Single-Function

Cleared on Dec 8, 1992 after a 210-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 77 later devices descend from it.

Decided
Dec 8, 1992
Review
210 days
Class
Class II
Product code
DXG
Recalls
None
Predicates
0

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

Descendants, by year cleared 2004: 1 descendant cleared2009: 3 descendants cleared2015: 5 descendants cleared2012: 4 descendants cleared2014: 5 descendants cleared2013: 1 descendant cleared2016: 3 descendants cleared2018: 3 descendants cleared2017: 4 descendants cleared2019: 5 descendants cleared2010: 2 descendants cleared2011: 2 descendants cleared2020: 4 descendants cleared2025: 10 descendants cleared2022: 4 descendants cleared2023: 7 descendants cleared2021: 3 descendants cleared2024: 5 descendants cleared2026: 6 descendants cleared1990200020102020
  1. This deviceK922218 IQ SystemRenaissance Technology, Inc. · 1992
  2. Descendant · cites it directly · 76 of its ownK042113 Zoe Fluid Status MonitorNoninvasive Medical Technologies, LLC · 2004
  3. Descendant · 2 generations on · 57 of its ownK083287 Avivo Mobile Patient Management SystemCorventis, Inc. · 2009
  4. Descendant · 3 generations on · 40 of its ownK090696 Nuvant Cardiac Event Monitoring System; Nuvant Mobile Cardiac…Corventis, Inc. · 2009
  5. Descendant · 3 generations on · 38 of its ownK091971 Avivo Mobile Patient Management System, Nuvant Mobile Cardiac…Corventis, Inc. · 2009
  6. Descendant · 4 generations on · 30 of its ownK111917 Nuvant, Mobile Cardiac TelemetryCorventis, Inc. · 2011

Showing 5 of 77 descendants. See all descendants

Descendants cleared per year

2004: 12009: 32010: 22011: 22012: 42013: 12014: 52015: 52016: 32017: 42018: 32019: 52020: 42021: 32022: 42023: 72024: 52025: 102026: 6
2004high 10 (2025) · low 0 (2005)2026

Most influential descendants

Showing 5 of 77 · See all
  • K042113Zoe Fluid Status MonitorNoninvasive Medical Technologies, LLC · 2004 · cites it directly76descendants
  • K083287Avivo Mobile Patient Management SystemCorventis, Inc. · 2009 · 2 generations on57descendants
  • K090696Nuvant Cardiac Event Monitoring System; Nuvant Mobile Cardiac Telemetry SystemCorventis, Inc. · 2009 · 3 generations on40descendants
  • K091971Avivo Mobile Patient Management System, Nuvant Mobile Cardiac Telemetry (MCT) SystemCorventis, Inc. · 2009 · 3 generations on38descendants
  • K111917Nuvant, Mobile Cardiac TelemetryCorventis, Inc. · 2011 · 4 generations on30descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K922218IQ SystemRenaissance Technology, Inc.1992—
+1K042113Zoe Fluid Status MonitorNoninvasive Medical Technologies, LLC2004—
+2K083287Avivo Mobile Patient Management SystemCorventis, Inc.2009—
+3K090696Nuvant Cardiac Event Monitoring System; Nuvant Mobile Cardiac Telemetry SystemCorventis, Inc.2009—
+3K091971Avivo Mobile Patient Management System, Nuvant Mobile Cardiac Telemetry (MCT)…Corventis, Inc.2009—
+4K111917Nuvant, Mobile Cardiac TelemetryCorventis, Inc.2011—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200930
201020
201120
201240
201310
201450
201550
201630
201740
201830
201950
202040
202130
202240
202370
202450
2025100
202660
FIG. 1 — Lineage of K922218, 1992–2026Source: 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.

Planning a device in DXG? 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 DXG device

  1. #1 K253092 Argos Infinity (Rev. 1.0)score 11.1 · 2 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (77)

See all 77

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

NumberDeviceApplicantDecidedDescendants
K042113Zoe Fluid Status MonitorNoninvasive Medical Technologies, LLC200476

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, K042113 (Noninvasive Medical Technologies, LLC, 2004) has gone furthest, with 76 descendants of its own.

How does its category compare?

All DXG devices

DXG Computer, Diagnostic, Pre-Programmed, Single-Function: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DXG

1in 2025

2007: 12008: 52010: 42011: 32012: 22013: 32014: 62015: 12016: 12017: 12018: 22019: 22020: 12021: 12023: 12025: 12026 (partial year): 1
2007high 6 (2014) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DXG

290in 2014

2008: 118 days median2010: 282 days median2011: 104 days median2013: 236 days median2014: 290 days median
2007high 290 (2014) · low 104 (2011)2026

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

Recalls per year · DXG

2in 2020

2007: 12008: 12009: 62010: 12020: 2
2007high 6 (2009) · low 0 (2011)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DXG

8in 2025

2007: 432008: 372009: 82010: 172011: 72012: 292013: 232014: 442015: 342016: 672017: 622018: 832019: 812020: 492021: 292022: 442023: 122024: 212025: 8
2007high 83 (2018) · low 7 (2011)2025

MAUDE reports naming product code DXG, 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
20071—143
20085118137
20090—68
20104282117
2011310407
20122—029
20133236023
20146290044
20151—034
20161—067
20171—062
20182—083
20192—081
20201—249
20211—029
20220—044
20231—012
20240—021
20251—08
20261—0—
Cite this page

510(k) Report. “K922218: IQ System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K922218

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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