510(k) Report

510(k) · Cleared

Cleared

Synapse 3D Blood Flow Analysis

K191544510(k) TraditionalCleared Oct 18, 2019129-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

Fujifilm Corporation · LLZ System, Image Processing, Radiological

Cleared on Oct 18, 2019 as substantially equivalent to K162376 (Pie Medical Imaging BV, 2016) after a 129-day review. Its family tree reaches back 6 generations to 2001.

Decided
Oct 18, 2019
Review
129 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K010938 (2001). No later device cites it as a predicate yet.

  1. Root · 6 generations backK010938 Syngo Multimodality WorkstationSiemens Medical Solutions USA, Inc. · 2001 · Recalled
  2. 5 generations backK040970 LeonardoSiemens Medical Systems, Inc. · 2004 · Recalled
  3. 4 generations backK042203 Leonardo Syngo Cardiology WorkstationSiemens Medical Solutions USA, Inc. · 2004
  4. 3 generations backK103565 Medvoxel Heartpro Software ApplicationMedvoxel Systems, Inc. · 2011
  5. 2 generations backK133937 Heartscan SoftwareMorpheus Imaging, Inc. · 2014
  6. 1 generation backK162376 CAAS MR 4D FlowPie Medical Imaging BV · 2016
  7. This deviceK191544 Synapse 3D Blood Flow AnalysisFujifilm Corporation · 2019
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K010938Syngo Multimodality WorkstationSiemens Medical Solutions USA, Inc.20015
−5K040970LeonardoSiemens Medical Systems, Inc.20041
−4K042203Leonardo Syngo Cardiology WorkstationSiemens Medical Solutions USA, Inc.2004—
−3K103565Medvoxel Heartpro Software ApplicationMedvoxel Systems, Inc.2011—
−2K133937Heartscan SoftwareMorpheus Imaging, Inc.2014—
−1K162376CAAS MR 4D FlowPie Medical Imaging BV2016—
0 (this device)K191544Synapse 3D Blood Flow AnalysisFujifilm Corporation2019—
FIG. 1 — Lineage of K191544, 2001–2019Source: 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
*K162376CAAS MR 4D Flow
Summary page 4
…egulation Number: 21 CFR 892.2050 Device Class: Class II Panel: Radiology Predicate Devices: CAAS MR 4D Flow (K162376) Pie Medical Imaging B.V. 510(k) Summary…
Pie Medical Imaging BV2016—

Also cleared against K162376: 1 other device →

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 18 years and passes through 6 companies; a new generation was cleared every 2.9 years on median.
  • 2 of the 6 ancestors have a recall of any class.
  • 1 other device also cites its predicate K162376.

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. 2019, 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?

Synapse 3D Blood Flow Analysis is medical imaging software used with Synapse 3D Base Tools that is intended to provide trained medical professionals, with tools to aid them in reading, interpreting, reporting, and treatment planning.

Addition to the tools in Synapse 3D Base Tools, Synapse 3D Blood Flow Analysis provides the imaging and assessment tools of blood flow velocity and directions based on multi-slice, multi-phase and velocity encoded MR images.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K191544: Synapse 3D Blood Flow Analysis.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191544

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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