510(k) Report

510(k) · Cleared

Cleared

Max-1 (Exercise Electrocardiograph)

K890323510(k) TraditionalCleared Jun 16, 1989144-day reviewClass II21 CFR 870.1025

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

Marquette Electronics, Inc. · DSI Detector And Alarm, Arrhythmia

Cleared on Jun 16, 1989 after a 144-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 72 later devices descend from it.

Decided
Jun 16, 1989
Review
144 days
Class
Class II
Product code
DSI
Recalls
None
Predicates
0

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

Descendants, by year cleared 2002: 1 descendant cleared2011: 6 descendants cleared2012: 3 descendants cleared2009: 2 descendants cleared2010: 4 descendants cleared2003: 2 descendants cleared2008: 2 descendants cleared2006: 2 descendants cleared2004: 1 descendant cleared2013: 5 descendants cleared2015: 4 descendants cleared2017: 4 descendants cleared2014: 7 descendants cleared2016: 5 descendants cleared2018: 5 descendants cleared2024: 6 descendants cleared2022: 4 descendants cleared2021: 1 descendant cleared2023: 2 descendants cleared2026: 2 descendants cleared2020: 2 descendants cleared2025: 2 descendants cleared1990200020102020
  1. This deviceK890323 Max-1 (Exercise Electrocardiograph)Marquette Electronics, Inc. · 1989
  2. Descendant · cites it directly · 71 of its ownK014108 Mac 5000 Ecg Analysis SystemGeneral Electric Medical Systems Information Techn · 2002
  3. Descendant · 2 generations on · 32 of its ownK091513 Smart Ecg Series Electrocardiograph, Models SE-3, SE-300A and 300B…Edan Instruments, Inc. · 2009 · Recalled
  4. Descendant · 2 generations on · 31 of its ownK033492 Modification to Mac 5000 Ecg Analysis SystemGe Medical Systems Information Technologies · 2003
  5. Descendant · 3 generations on · 30 of its ownK042177 Modification to Mac 5000 Ecg Analysis SystemGe Medical Systems Information Technologies · 2004
  6. Descendant · 4 generations on · 21 of its ownK060833 12SL Ecg Analysis ProgramGe Medical Systems Information Technologies · 2006

Showing 5 of 72 descendants. See all descendants

Descendants cleared per year

2002: 12003: 22004: 12006: 22008: 22009: 22010: 42011: 62012: 32013: 52014: 72015: 42016: 52017: 42018: 52020: 22021: 12022: 42023: 22024: 62025: 22026: 2
2002high 7 (2014) · low 0 (2005)2026

Most influential descendants

Showing 5 of 72 · See all
  • K014108Mac 5000 Ecg Analysis SystemGeneral Electric Medical Systems Information Techn · 2002 · cites it directly71descendants
  • K091513Smart Ecg Series Electrocardiograph, Models SE-3, SE-300A and 300B, SE-6, SE-600, SE-12…Edan Instruments, Inc. · 2009 · 2 generations on32descendants
  • K033492Modification to Mac 5000 Ecg Analysis SystemGe Medical Systems Information Technologies · 2003 · 2 generations on31descendants
  • K042177Modification to Mac 5000 Ecg Analysis SystemGe Medical Systems Information Technologies · 2004 · 3 generations on30descendants
  • K06083312SL Ecg Analysis ProgramGe Medical Systems Information Technologies · 2006 · 4 generations on21descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K890323Max-1 (Exercise Electrocardiograph)Marquette Electronics, Inc.1989—
+1K014108Mac 5000 Ecg Analysis SystemGeneral Electric Medical Systems Information Techn2002—
+2K091513Smart Ecg Series Electrocardiograph, Models SE-3, SE-300A and 300B, SE-6…Edan Instruments, Inc.20091
+2K033492Modification to Mac 5000 Ecg Analysis SystemGe Medical Systems Information Technologies2003—
+3K042177Modification to Mac 5000 Ecg Analysis SystemGe Medical Systems Information Technologies2004—
+4K06083312SL Ecg Analysis ProgramGe Medical Systems Information Technologies2006—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200320
200410
200620
200820
200920
201040
201160
201230
201350
201470
201540
201650
201740
201850
202020
202110
202240
202320
202460
202520
202620
FIG. 1 — Lineage of K890323, 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.

Planning a device in DSI? 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 DSI device

  1. #1 K243349 BodyGuardian Remote Monitoring System (BGRMS…score 13.1 · 9 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 has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (72)

See all 72

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

NumberDeviceApplicantDecidedDescendants
K014108Mac 5000 Ecg Analysis SystemGeneral Electric Medical Systems Information Techn200271

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, K014108 (General Electric Medical Systems Information Techn, 2002) has gone furthest, with 71 descendants of its own.

How does its category compare?

All DSI devices

DSI Detector And Alarm, Arrhythmia: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DSI

1in 2025

2007: 72008: 52009: 62010: 62011: 62012: 32013: 12014: 42015: 92016: 62018: 22019: 32020: 22023: 22024: 12025: 12026 (partial year): 1
2007high 9 (2015) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DSI

243in 2019

2007: 151 days median2008: 70 days median2009: 73 days median2010: 111 days median2011: 114 days median2012: 113 days median2014: 200 days median2015: 127 days median2016: 224 days median2019: 243 days median
2007high 243 (2019) · low 70 (2008)2026

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

Recalls per year · DSI

18in 2025

2007: 42008: 82009: 32010: 52011: 32012: 12018: 12019: 42020: 22022: 12023: 22025: 182026 (partial year): 1
2007high 18 (2025) · low 0 (2013)2026

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

Adverse event reports per year · DSI

712in 2025

2007: 642008: 1562009: 2792010: 8232011: 7932012: 7662013: 7952014: 1,0002015: 1,6452016: 4,3522017: 3,5942018: 3,6482019: 3,4852020: 3,0842021: 3,0922022: 1,6382023: 1,6162024: 1,3202025: 712
2007high 4,352 (2016) · low 64 (2007)2025

MAUDE reports naming product code DSI, 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
20077151464
20085708156
20096733279
201061115823
201161143793
201231131766
20131—0795
2014420001,000
2015912701,645
2016622404,352
20170—03,594
20182—13,648
2019324343,485
20202—23,084
20210—03,092
20220—11,638
20232—21,616
20241—01,320
20251—18712
20261—1—
Cite this page

510(k) Report. “K890323: Max-1 (Exercise Electrocardiograph).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K890323

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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