510(k) Report

510(k) · Cleared

Cleared

M'ath STD

K040686510(k) TraditionalCleared Jul 30, 2004136-day reviewClass II21 CFR 892.2050

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

Intelligence IN Medical Technologies · LLZ System, Image Processing, Radiological

Cleared on Jul 30, 2004 as substantially equivalent to K021966 (Advanced Technology Laboratories, Inc., 2002) and 1 other predicate after a 136-day review. Its family tree reaches back 2 generations to 2002. 122 later devices descend from it.

Decided
Jul 30, 2004
Review
136 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K021966 (2002). 122 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2012: 3 descendants cleared2005: 1 descendant cleared2008: 2 descendants cleared2017: 8 descendants cleared2016: 1 descendant cleared2020: 12 descendants cleared2018: 14 descendants cleared2013: 1 descendant cleared2019: 10 descendants cleared2022: 13 descendants cleared2026: 12 descendants cleared2023: 9 descendants cleared2021: 11 descendants cleared2025: 11 descendants cleared2024: 14 descendants clearedK021966 · Q Lab Software · Advanced Technology Laboratories, Inc. · 2002K030223 · Sonocalc · Sonometric Health, LLC · 2003 · recalled200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 4 descendants3 generations forward: 10 descendants4 generations forward: 14 descendants5 generations forward: 17 descendants6 generations forward: 17 descendants7 generations forward: 14 descendants8 generations forward: 9 descendants9 generations forward: 8 descendants10 generations forward: 10 descendants11 generations forward: 10 descendants12 generations forward: 5 descendants13 generations forward: 2 descendants K030223 · Sonocalc · Sonometric Health, LLC · 2003 · recalledK021966 · Q Lab Software · Advanced Technology Laboratories, Inc. · 20020+5+10
  1. Root · 2 generations backK021966 Q Lab SoftwareAdvanced Technology Laboratories, Inc. · 2002
  2. 1 generation backK030223 SonocalcSonometric Health, LLC · 2003 · Recalled
  3. This deviceK040686 M'ath STDIntelligence IN Medical Technologies · 2004
  4. Descendant · cites it directly · 98 of its ownK121223 Qlab with FHN and VPQ Plug-inPhilips Ultrasound, Inc. · 2012
  5. Descendant · 2 generations on · 64 of its ownK162094 RS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2016
  6. Descendant · 3 generations on · 58 of its ownK163691 HS70A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2017
  7. Descendant · 2 generations on · 50 of its ownK171048 RS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2017
  8. Descendant · 3 generations on · 42 of its ownK171070 WS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2017

Showing 5 of 122 descendants. See all descendants

Descendants cleared per year

2005: 12008: 22012: 32013: 12016: 12017: 82018: 142019: 102020: 122021: 112022: 132023: 92024: 142025: 112026: 12
2005high 14 (2018) · low 0 (2006)2026

Most influential descendants

Showing 5 of 122 · See all
  • K121223Qlab with FHN and VPQ Plug-inPhilips Ultrasound, Inc. · 2012 · cites it directly98descendants
  • K162094RS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2016 · 2 generations on64descendants
  • K163691HS70A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2017 · 3 generations on58descendants
  • K171048RS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2017 · 2 generations on50descendants
  • K171070WS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd. · 2017 · 3 generations on42descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K021966Q Lab SoftwareAdvanced Technology Laboratories, Inc.2002—
−1K030223SonocalcSonometric Health, LLC20031
0 (this device)K040686M'ath STDIntelligence IN Medical Technologies2004—
+1K121223Qlab with FHN and VPQ Plug-inPhilips Ultrasound, Inc.2012—
+2K162094RS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd.2016—
+3K163691HS70A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd.2017—
+2K171048RS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd.2017—
+3K171070WS80A Diagnostic Ultrasound SystemSamsung Medison Co., Ltd.2017—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200510
200820
201230
201310
201610
201780
2018140
2019100
2020120
2021110
2022130
202390
2024140
2025110
2026120
FIG. 1 — Lineage of K040686, 2002–2026Source: 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), 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 LLZ? 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 LLZ device

  1. #1 K230955 syngo Application Softwarescore 21.5 · 11 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
*K021966Q Lab Software
Summary page 1
…nd Medical Image Measurement Software Classification Name: 892.2050-System, Image processing, Radiological. 3. Predicate substantially equivalent devices: - K021966, 0 Lab Software, Advanced Technology Laboratories, Inc. (dba Philips Ultrasound); -- - K030223, Sonocalc, SonoMetric Hea…
Advanced Technology Laboratories, Inc.2002—
*K030223Sonocalc
Summary page 1
…gical. 3. Predicate substantially equivalent devices: - K021966, 0 Lab Software, Advanced Technology Laboratories, Inc. (dba Philips Ultrasound); -- - K030223, Sonocalc, SonoMetric Health, LLC. 4. Device description: MAth®Std is a software running on a stand alone computer under Micros…
Sonometric Health, LLC20031

Also cleared against K021966: 13 other devices →

What descends from it? (122)

See all 122

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

NumberDeviceApplicantDecidedDescendants
K121223Qlab with FHN and VPQ Plug-inPhilips Ultrasound, Inc.201298
K050376ProwinMedical Technologies International, Inc.200522

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 2 years and passes through 3 companies; a new generation was cleared every 1.5 years on median.
  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K121223 (Philips Ultrasound, Inc., 2012) has gone furthest, with 98 descendants of its own.
  • 13 other devices also cite its predicate K021966.

How does its category compare?

All LLZ devices

LLZ System, Image Processing, Radiological: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · LLZ

58in 2025

2007: 762008: 942009: 702010: 512011: 1062012: 822013: 952014: 782015: 642016: 822017: 782018: 1042019: 742020: 812021: 832022: 652023: 872024: 622025: 582026 (partial year): 45
2007high 106 (2011) · low 51 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · LLZ

173in 2025

2007: 36 days median2008: 52 days median2009: 62 days median2010: 98 days median2011: 79 days median2012: 87 days median2013: 84 days median2014: 89 days median2015: 90 days median2016: 90 days median2017: 107 days median2018: 105 days median2019: 107 days median2020: 115 days median2021: 116 days median2022: 137 days median2023: 157 days median2024: 131 days median2025: 173 days median2026 (partial year): 110 days median
2007high 173 (2025) · low 36 (2007)2026

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

Recalls per year · LLZ

11in 2025

2007: 202008: 322009: 212010: 172011: 302012: 122013: 642014: 62015: 162016: 122017: 52018: 72019: 22020: 62021: 32022: 42023: 82024: 62025: 112026 (partial year): 14
2007high 64 (2013) · low 2 (2019)2026

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

Adverse event reports per year · LLZ

116in 2025

2007: 1522008: 1542009: 1452010: 1452011: 4542012: 2662013: 1,1302014: 15,6312015: 2112016: 2902017: 1042018: 722019: 882020: 822021: 702022: 282023: 262024: 422025: 116
2007high 15,631 (2014) · low 26 (2023)2025

MAUDE reports naming product code LLZ, 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
2007763620152
2008945232154
2009706221145
2010519817145
20111067930454
2012828712266
20139584641,130
20147889615,631
2015649016211
2016829012290
2017781075104
2018104105772
201974107288
202081115682
202183116370
202265137428
202387157826
202462131642
20255817311116
20264511014—

What is it indicated for?

M'Ath Std software is a Windows-based application program running on a personal computer that is intended to aid the physician in the organization of patient data relating to the ultrasound images or video acquired during echo-cardiology exams of the cardiovascular system, including the patient's characteristics. Additionally, the software allows the physician to makes measurements to determine the intima-media thickness of the carotoid artery from the acquired images and stores them with the patient file.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K040686: M'ath STD.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K040686

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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