510(k) Report

510(k) · Cleared

Cleared

EchoMD Automated Ejection Fraction Software

K173780510(k) TraditionalCleared Jun 14, 2018184-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

Bay Labs, Inc. · LLZ System, Image Processing, Radiological

Cleared on Jun 14, 2018 as substantially equivalent to K130779 (Diacardio, Ltd., 2013) after a 184-day review. Its family tree reaches back 12 generations to 1995. 10 later devices descend from it.

Decided
Jun 14, 2018
Review
184 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
1

Its longest line of descent runs back 12 generations to K935595 (1995). 50 ancestors in all, the oldest K921148 (1992). 10 later devices descend from it, 3 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor2006: 1 other ancestor2005: 3 other ancestors2004: 8 other ancestors2002: 2 other ancestors2003: 3 other ancestors2001: 2 other ancestors2000: 5 other ancestors1999: 4 other ancestors1995: 4 other ancestors1997: 2 other ancestors1994: 2 other ancestors1992: 1 other ancestor2022: 2 descendants cleared2020: 1 descendant cleared2021: 1 descendant cleared2025: 2 descendants cleared2024: 3 descendants cleared2026: 1 descendant clearedK935595 · Acuson Model 3001 · Acuson Corp. · 1995K973767 · Harmonic Imaging with Contrast · Acuson Corp. · 1997K022567 · Sequoia Signature II Diagnostic Ultrasound System · Acuson Corp. · 2002K032114 · Sequoia 8.0 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2003×3: 3 generations cleared close together, K041319 (2004), K042770 (2004), K050240 (2005) K052894 · Sonoline G60 S Ultrasound System · Siemens Medical Solutions USA, Inc. · 2005 · recalledK061946 · Acuson X300 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2006 · recalled×2: 2 generations cleared close together, K071036 (2007), K072090 (2007) K130779 · Lvivo EF System · Diacardio, Ltd. · 20131990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor3 generations back: 2 other ancestors4 generations back: 1 other ancestor5 generations back: 5 other ancestors6 generations back: 10 other ancestors7 generations back: 5 other ancestors8 generations back: 10 other ancestors9 generations back: 4 other ancestors 1 generation forward: 3 descendants2 generations forward: 5 descendants3 generations forward: 2 descendants K130779 · Lvivo EF System · Diacardio, Ltd. · 2013K072090 · Siemens Diagnostic Ultrasound Systems · Siemens Medical Solutions USA, Inc., Ultrasound DI · 2007K071036 · Modification to Acuson X300 Ultrasound System · Siemens Medical Solutions USA, Inc., Ultrasound DI · 2007K061946 · Acuson X300 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2006 · recalledK052894 · Sonoline G60 S Ultrasound System · Siemens Medical Solutions USA, Inc. · 2005 · recalledK050240 · Modification to Acuson CV70 Cardiovascular System · Siemens Medical Solutions USA, Inc. · 2005 · recalledK042770 · Modification to Acuson CV70 Cardiovascular System · Siemens Medical Solutions USA, Inc. · 2004 · recalledK041319 · Sequoia Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2004K032114 · Sequoia 8.0 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2003K022567 · Sequoia Signature II Diagnostic Ultrasound System · Acuson Corp. · 2002K973767 · Harmonic Imaging with Contrast · Acuson Corp. · 1997K935595 · Acuson Model 3001 · Acuson Corp. · 1995−10−50
  1. Root · 12 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 8 generations between
  3. 3 generations backK071036 Modification to Acuson X300 Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007
  4. 2 generations backK072090 Siemens Diagnostic Ultrasound SystemsSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007
  5. 1 generation backK130779 Lvivo EF SystemDiacardio, Ltd. · 2013
  6. This deviceK173780 EchoMD Automated Ejection Fraction SoftwareBay Labs, Inc. · 2018
  7. Descendant · cites it directly · 3 of its ownK210791 Us2.v1Eko.Ai Pte Ltd. D/B/A Us2.Ai · 2021
  8. Descendant · cites it directly · 3 of its ownK200621 Caption Interpretation Automated Ejection Fraction SoftwareCaption Health · 2020 · Recalled
  9. Descendant · 2 generations on · 2 of its ownK210747 Caption Interpretation Automated Ejection Fraction SoftwareCaption Health · 2022
  10. Descendant · cites it directly · 1 of its ownK220956 Libby Echo:PrioDyad Medical, Inc. · 2022
  11. Descendant · 3 generations on · 0 of its ownK253593 Clarius Ejection Fraction AIClarius Mobile Health Corp. · 2026
Show all 12 generations
  1. Root · 12 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 11 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 10 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 9 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. 8 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. 7 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  7. 6 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  8. 5 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  9. 4 generations backK061946 Acuson X300 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006 · Recalled
  10. 3 generations backK071036 Modification to Acuson X300 Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007
  11. 2 generations backK072090 Siemens Diagnostic Ultrasound SystemsSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007
  12. 1 generation backK130779 Lvivo EF SystemDiacardio, Ltd. · 2013
  13. This deviceK173780 EchoMD Automated Ejection Fraction SoftwareBay Labs, Inc. · 2018

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

2020: 12021: 12022: 22024: 32025: 22026: 1
2020high 3 (2024) · low 0 (2023)2026

Most influential descendants

Showing 5 of 10 · See all
  • K210791Us2.v1Eko.Ai Pte Ltd. D/B/A Us2.Ai · 2021 · cites it directly3descendants
  • K200621Caption Interpretation Automated Ejection Fraction SoftwareCaption Health · 2020 · cites it directly3descendants
  • K210747Caption Interpretation Automated Ejection Fraction SoftwareCaption Health · 2022 · 2 generations on2descendants
  • K220956Libby Echo:PrioDyad Medical, Inc. · 2022 · cites it directly1descendant
  • K253593Clarius Ejection Fraction AIClarius Mobile Health Corp. · 2026 · 3 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K935595Acuson Model 3001Acuson Corp.1995—
−11K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−10K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−9K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
−8K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
−7K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
−6K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20051
−5K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc.20051
−4K061946Acuson X300 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.20061
−3K071036Modification to Acuson X300 Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI2007—
−2K072090Siemens Diagnostic Ultrasound SystemsSiemens Medical Solutions USA, Inc., Ultrasound DI2007—
−1K130779Lvivo EF SystemDiacardio, Ltd.2013—
0 (this device)K173780EchoMD Automated Ejection Fraction SoftwareBay Labs, Inc.2018—
+1K210791Us2.v1Eko.Ai Pte Ltd. D/B/A Us2.Ai2021—
+1K200621Caption Interpretation Automated Ejection Fraction SoftwareCaption Health20201
+2K210747Caption Interpretation Automated Ejection Fraction SoftwareCaption Health2022—
+1K220956Libby Echo:PrioDyad Medical, Inc.2022—
+3K253593Clarius Ejection Fraction AIClarius Mobile Health Corp.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199420
199540
199720
199940
200050
200120
200220
200330
200480
200530
200610
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202110
202220
202430
202520
202610
FIG. 1 — Lineage of K173780, 1995–2026Source: 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
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What was it cleared against? (1)

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
*K130779Lvivo EF System
Summary page 4
…R § 892.2050 Regulatory Class: II Product Code: LLZ, System, Image processing, Radiological Predicate Device Diacardio, Ltd. LVivo EF Software (K130779) Intended Use / Indications for Use The Bay Labs, Inc. EchoMD Automated Ejection Fraction software is used to process pr…
Diacardio, Ltd.2013—

Also cleared against K130779: 3 other devices →

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K210791Us2.v1Eko.Ai Pte Ltd. D/B/A Us2.Ai20213
K200621Caption Interpretation Automated Ejection Fraction SoftwareCaption Health20203
K220956Libby Echo:PrioDyad Medical, Inc.20221

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 23 years and passes through 5 companies; a new generation was cleared every 11 months on median.
  • 12 of the 50 ancestors have a recall of any class.
  • Of its descendants, K210791 (Eko.Ai Pte Ltd. D/B/A Us2.Ai, 2021) has gone furthest, with 3 descendants of its own.
  • 3 other devices also cite its predicate K130779.

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. 2018, this device’s year, is highlighted.

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?

The Bay Labs, Inc. EchoMD Automated Ejection Fraction software is used to process previously acquired transthoracic cardiac ultrasound images, to store images, and to manipulate and make measurements on images using a personal computer or a compatible DICOM-compliant PACS system in order to provide automated estimation of left ventricular ejection fraction. This measurement can be used to assist the clinician in a cardiac evaluation.

The EchoMD Automated Ejection Fraction Software is indicated for use in adult patients.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173780: EchoMD Automated Ejection Fraction Software.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K173780

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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