510(k) Report

510(k) · Cleared

Cleared

Libby IAAA v1.0

K210931510(k) TraditionalCleared Dec 17, 2021263-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

Dyad Medical, Inc. · LLZ System, Image Processing, Radiological

Cleared on Dec 17, 2021 as substantially equivalent to K123970 (Pie Medical Imaging BV, 2013) after a 263-day review. Its family tree reaches back 7 generations to 1995.

Decided
Dec 17, 2021
Review
263 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K941322 (1995). No later device cites it as a predicate yet.

  1. Root · 7 generations backK941322 Echo-ScanTomographic Tech · 1995
  2. 6 generations backK963807 Tomtec Echo-ScanTomtec Imaging Systems, Inc. · 1996
  3. 5 generations backK993394 Echo Scan, Easy ScanTomtec Imaging Systems GmbH · 1999
  4. 4 generations backK011582 Qcu Analytical Software PackageMedis Medical Imaging Systems BV · 2001
  5. 3 generations backK021495 QIVAPie Medical Imaging BV · 2002
  6. 2 generations backK092842 EchoplaqueIndec Systems, Inc. · 2010
  7. 1 generation backK123970 Caas IntravascularPie Medical Imaging BV · 2013
  8. This deviceK210931 Libby IAAA v1.0Dyad Medical, Inc. · 2021
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K941322Echo-ScanTomographic Tech1995—
−6K963807Tomtec Echo-ScanTomtec Imaging Systems, Inc.1996—
−5K993394Echo Scan, Easy ScanTomtec Imaging Systems GmbH1999—
−4K011582Qcu Analytical Software PackageMedis Medical Imaging Systems BV2001—
−3K021495QIVAPie Medical Imaging BV2002—
−2K092842EchoplaqueIndec Systems, Inc.2010—
−1K123970Caas IntravascularPie Medical Imaging BV2013—
0 (this device)K210931Libby IAAA v1.0Dyad Medical, Inc.2021—
FIG. 1 — Lineage of K210931, 1995–2021Source: 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
*K123970Caas Intravascular
Summary page 4
…LLZ Regulatory Class II 3. Predicate Device Proprietary Name Pie Medical CAAS Intravascular Premarket Notification K123970 Classification Name System, Image Processing, Radiological Regulation Number 21 CFR 892.2050 Regulation N…
Pie Medical Imaging BV2013—

What descends from it?

No later submission names this one as a predicate yet.

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 26 years and passes through 7 companies; a new generation was cleared every 2.9 years on median.
  • None of the 7 ancestors has a recall.

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. 2021, 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?

Libby IAAA is intended to review and analyze Intravascular optical coherence tomography (OCT) images in raw OCT file format. IAAA enables quantification of artery and/or stent dimensions. The software is intended to be used by or under supervision of a Cardiologist.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K210931: Libby IAAA v1.0.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210931

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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