510(k) Report

510(k) · Cleared

Cleared

UniSyn Molecular Imaging (6-3-1)

K231047510(k) TraditionalCleared Sep 1, 2023142-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

Convergent Imaging Solutions · LLZ System, Image Processing, Radiological

Cleared on Sep 1, 2023 as substantially equivalent to K081987 (Convergent Imaging Solutions, 2008) after a 142-day review. Its family tree reaches back 7 generations to 1993.

Decided
Sep 1, 2023
Review
142 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
1

Its longest line of descent runs back 7 generations to K930090 (1993). 16 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 7 generations backK930090 HelicatElscint, Inc. · 1993
  2. 6 generations backK961464 Select/SPElscint, Inc. · 1996 · Recalled
  3. 5 generations backK982060 Volumax CT Imaging SystemElscint, Inc. · 1998
  4. 4 generations backK012009 MX8000 Idt CT SystemMarconi Medical Systems, Inc. · 2001 · Recalled
  5. 3 generations backK032036 Gemini 16Philips Medical Systems (Cleveland), Inc. · 2003 · Recalled
  6. 2 generations backK041182 SyntegraAdac Laboratories · 2004
  7. 1 generation backK081987 Unisyn Image Fusion, Version 1.0Convergent Imaging Solutions · 2008
  8. This deviceK231047 UniSyn Molecular Imaging (6-3-1)Convergent Imaging Solutions · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−7K930090HelicatElscint, Inc.1993—
−6K961464Select/SPElscint, Inc.19963
−5K982060Volumax CT Imaging SystemElscint, Inc.1998—
−4K012009MX8000 Idt CT SystemMarconi Medical Systems, Inc.200161
−3K032036Gemini 16Philips Medical Systems (Cleveland), Inc.20032
−2K041182SyntegraAdac Laboratories2004—
−1K081987Unisyn Image Fusion, Version 1.0Convergent Imaging Solutions2008—
0 (this device)K231047UniSyn Molecular Imaging (6-3-1)Convergent Imaging Solutions2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199420
199510
199710
200020
200130
FIG. 1 — Lineage of K231047, 1993–2023Source: 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
*K081987Unisyn Image Fusion, Version 1.0
Summary page 4
…21 CFR 807.92(a)(3) Predicate # Predicate Trade Name (Primary Predicate is listed first) Product Code K081987 UNISYN LLZ K033960…
Convergent Imaging Solutions2008—
†K033960Olinda/ExmVanderbilt University2004—
†K2125873D-RD-SRadiopharmaceutical Imaging and Dosimetry, LLC2023—
†K163687Olinda ExmHermes Medical Solutions AB2017—

Also cleared against K081987: 2 other devices →

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 30 years and passes through 5 companies; a new generation was cleared every 3.0 years on median.
  • 6 of the 16 ancestors have a recall of any class.
  • 2 other devices also cite its predicate K081987.

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. 2023, 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?

UniSyn is a software application for image registration and fusion display of scanned image data from CT, PET, SPECT, MR and other medical scanners. It is to be used by qualified radiology and nuclear medicine professionals. UniSyn creates multi-planar reformat and maximum intensity projection displays of the data and provides measurements such as area, volume and Standard Uptake Values for user defined regions on the image. For use with internally…

Read the full statement (120 words)

UniSyn is a software application for image registration and fusion display of scanned image data from CT, PET, SPECT, MR and other medical scanners. It is to be used by qualified radiology and nuclear medicine professionals. UniSyn creates multi-planar reformat and maximum intensity projection displays of the data and provides measurements such as area, volume and Standard Uptake Values for user defined regions on the image.

For use with internally administered radioactive products. UniSyn can estimate radiation dose from internalized radioactivity in the human body as a result of a diagnostic or therapeutic medical procedure involving radioactive materials. UniSyn should not be used to deviate from approved product dosing and administration instructions. Refer to the product's prescribing information for instructions.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K231047: UniSyn Molecular Imaging (6-3-1).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231047

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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