510(k) Report

510(k) · Cleared

Cleared

Cmi Magnetocardiograph

K033488510(k) TraditionalCleared Jul 7, 2004246-day reviewClass II21 CFR 870.2340

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

Cmi Cardiomag Imaging, Inc. · DPS Electrocardiograph

Cleared on Jul 7, 2004 as substantially equivalent to K760542 (Hewlett-Packard Co., 1976) and 1 other predicate after a 246-day review. Its family tree reaches back 2 generations to 1990. 5 later devices descend from it.

Decided
Jul 7, 2004
Review
246 days
Class
Class II
Product code
DPS
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K901215 (1990). 3 ancestors in all, the oldest K760542 (1976). 5 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1976: 1 other ancestor2017: 1 descendant cleared2016: 1 descendant cleared2013: 1 descendant cleared2024: 1 descendant cleared2019: 1 descendant clearedK901215 · 700 Series Biomagnetometer · Biomagnetic Technologies, Inc. · 1990K962764 · Neuromag-122 · Philips Medical Systems (Cleveland), Inc. · 199619801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 3 descendants2 generations forward: 2 descendants K962764 · Neuromag-122 · Philips Medical Systems (Cleveland), Inc. · 1996K901215 · 700 Series Biomagnetometer · Biomagnetic Technologies, Inc. · 19900
  1. Root · 2 generations backK901215 700 Series BiomagnetometerBiomagnetic Technologies, Inc. · 1990
  2. 1 generation backK962764 Neuromag-122Philips Medical Systems (Cleveland), Inc. · 1996
  3. This deviceK033488 Cmi MagnetocardiographCmi Cardiomag Imaging, Inc. · 2004
  4. Descendant · cites it directly · 1 of its ownK151135 Model 621/624 BiomagnetometerTristan Technologies, Inc. · 2016
  5. Descendant · cites it directly · 1 of its ownK121825 CS-Mag IIBiomagnetik-Park GmbH · 2013
  6. Descendant · 2 generations on · 0 of its ownK232823 MCG-S (AM1000)Amcg Co., Ltd. · 2024
  7. Descendant · 2 generations on · 0 of its ownK182571 CardioFlux with Faraday Analytical CloudGenetesis, Inc. · 2019
  8. Descendant · cites it directly · 0 of its ownK170154 Creavo Vitalscan MagnetocardiographCreavo Medical Technologies, Ltd. · 2017

Most influential descendants

Showing 5 of 5 · See all
  • K151135Model 621/624 BiomagnetometerTristan Technologies, Inc. · 2016 · cites it directly1descendant
  • K121825CS-Mag IIBiomagnetik-Park GmbH · 2013 · cites it directly1descendant
  • K232823MCG-S (AM1000)Amcg Co., Ltd. · 2024 · 2 generations on0descendants
  • K182571CardioFlux with Faraday Analytical CloudGenetesis, Inc. · 2019 · 2 generations on0descendants
  • K170154Creavo Vitalscan MagnetocardiographCreavo Medical Technologies, Ltd. · 2017 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K901215700 Series BiomagnetometerBiomagnetic Technologies, Inc.1990—
−1K962764Neuromag-122Philips Medical Systems (Cleveland), Inc.1996—
0 (this device)K033488Cmi MagnetocardiographCmi Cardiomag Imaging, Inc.2004—
+1K151135Model 621/624 BiomagnetometerTristan Technologies, Inc.2016—
+1K121825CS-Mag IIBiomagnetik-Park GmbH2013—
+2K232823MCG-S (AM1000)Amcg Co., Ltd.2024—
+2K182571CardioFlux with Faraday Analytical CloudGenetesis, Inc.2019—
+1K170154Creavo Vitalscan MagnetocardiographCreavo Medical Technologies, Ltd.2017—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201310
201610
201710
201910
202410
FIG. 1 — Lineage of K033488, 1990–2024Source: 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.

Planning a device in DPS? 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 DPS device

  1. #1 K212112 Cardiologs Holter Platformscore 18.6 · 5 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? (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
*K760542Electrocardiograph (#1505A)
Summary page 1
…ame: magnetocardiograph Classification Name: to be determined 3. PREDICATE DEVICES Hewlett Packard, model 151 lB ECG K760542 Neuromag-122 magnetoencephalograph K962764 4. DEVICE DESCRIPTION This device…
Hewlett-Packard Co.1976—
*K962764Neuromag-122
Summary page 1
…CATE DEVICES Hewlett Packard, model 151 lB ECG K760542 Neuromag-122 magnetoencephalograph K962764 4. DEVICE DESCRIPTION This device integrates an array of magnetic detectors with data acquisition hardware/so…
Philips Medical Systems (Cleveland), Inc.1996—

What descends from it? (5)

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

NumberDeviceApplicantDecidedDescendants
K151135Model 621/624 BiomagnetometerTristan Technologies, Inc.20161
K121825CS-Mag IIBiomagnetik-Park GmbH20131
K170154Creavo Vitalscan MagnetocardiographCreavo Medical Technologies, Ltd.20170

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?

  • The line of descent spans 14 years and passes through 3 companies; a new generation was cleared every 7.7 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K151135 (Tristan Technologies, Inc., 2016) has gone furthest, with 1 descendant of its own.

How does its category compare?

All DPS devices

DPS Electrocardiograph: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DPS

6in 2025

2007: 112008: 132009: 142010: 112011: 222012: 122013: 102014: 112015: 82016: 112017: 92018: 142019: 32020: 62021: 52022: 62023: 102024: 82025: 62026 (partial year): 6
2007high 22 (2011) · low 3 (2019)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DPS

163in 2025

2007: 87 days median2008: 31 days median2009: 84 days median2010: 104 days median2011: 154 days median2012: 117 days median2013: 134 days median2014: 253 days median2015: 178 days median2016: 229 days median2017: 177 days median2018: 221 days median2019: 178 days median2020: 224 days median2021: 135 days median2022: 244 days median2023: 236 days median2024: 260 days median2025: 163 days median2026 (partial year): 258 days median
2007high 260 (2024) · low 31 (2008)2026

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

Recalls per year · DPS

3in 2025

2007: 22009: 12010: 22011: 12019: 92020: 22021: 12022: 12023: 32024: 4, 1 Class I2025: 32026 (partial year): 4
2007high 9 (2019) · low 0 (2008)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · DPS

55in 2025

2007: 92008: 172009: 142010: 212011: 1212012: 562013: 152014: 152015: 302016: 122017: 152018: 192019: 272020: 592021: 242022: 592023: 542024: 642025: 55
2007high 121 (2011) · low 9 (2007)2025

MAUDE reports naming product code DPS, 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
2007118729
20081331017
20091484114
201011104221
2011221541121
201212117056
201310134015
201411253015
20158178030
201611229012
20179177015
201814221019
20193178927
20206224259
20215135124
20226244159
202310236354
202482604 (1)64
20256163355
202662584—

What is it indicated for?

The CMI Magnetocardiograph is intended for use as a tool that non-invasively measures

and displays the magnetic signals produced by the electric currents in the heart.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K033488: Cmi Magnetocardiograph.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K033488

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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