510(k) Report

510(k) · Cleared

Cleared

Isg Medical Imaging Family of Workstations (Mifw)

K941933510(k) TraditionalCleared Jul 29, 1994100-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

I.S.G. Technologies, Inc. · LLZ System, Image Processing, Radiological

Cleared on Jul 29, 1994 after a 100-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 1 of the 415 devices in its family, counting itself, has a Class I recall. 414 later devices descend from it.

Decided
Jul 29, 1994
Review
100 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
0

414 later devices descend from it, 1 citing it directly. 1 of the 415 devices in this family, counting this one, has a Class I recall.

Descendants, by year cleared 2002: 1 descendant cleared2013: 12 descendants cleared2017: 20 descendants cleared2004: 2 descendants cleared2007: 5 descendants cleared2010: 7 descendants cleared2014: 12 descendants cleared2006: 1 descendant cleared2008: 4 descendants cleared2011: 6 descendants cleared2018: 28 descendants cleared2009: 2 descendants cleared2016: 19 descendants cleared2020: 33 descendants cleared2012: 8 descendants cleared2015: 12 descendants cleared2021: 31 descendants cleared2023: 32 descendants cleared2022: 32 descendants cleared2025: 49 descendants cleared, 1 with a Class I recall12026: 45 descendants cleared2019: 19 descendants cleared2024: 34 descendants cleared1990200020102020
  1. This deviceK941933 Isg Medical Imaging Family of Workstations (Mifw)I.S.G. Technologies, Inc. · 1994
  2. Descendant · cites it directly · 413 of its ownK022881 Cedara I-SoftviewCedara Software Corp. · 2002 · Recalled
  3. Descendant · 2 generations on · 255 of its ownK040468 Cedara I-Softview and Cedara I-ReadmammoCedara Software Corp. · 2004 · Recalled
  4. Descendant · 3 generations on · 221 of its ownK053301 Cedara I-Response Cedara Pet/CTCedara Software Corp. · 2006
  5. Descendant · 4 generations on · 201 of its ownK071950 Syngo TruedSiemens Medical Solutions USA, Inc. · 2007
  6. Descendant · 5 generations on · 200 of its ownK091373 Syngo TruedSiemens Medical Solutions USA, Inc. · 2009

Showing 5 of 414 descendants. See all descendants

Descendants cleared per year

2002: 12004: 22006: 12007: 52008: 42009: 22010: 72011: 62012: 82013: 122014: 122015: 122016: 192017: 202018: 282019: 192020: 332021: 312022: 322023: 322024: 342025: 492026: 45
2002high 49 (2025) · low 0 (2003)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 414 · See all
  • K022881Cedara I-SoftviewCedara Software Corp. · 2002 · cites it directly413descendants
  • K040468Cedara I-Softview and Cedara I-ReadmammoCedara Software Corp. · 2004 · 2 generations on255descendants
  • K053301Cedara I-Response Cedara Pet/CTCedara Software Corp. · 2006 · 3 generations on221descendants
  • K071950Syngo TruedSiemens Medical Solutions USA, Inc. · 2007 · 4 generations on201descendants
  • K091373Syngo TruedSiemens Medical Solutions USA, Inc. · 2009 · 5 generations on200descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K941933Isg Medical Imaging Family of Workstations (Mifw)I.S.G. Technologies, Inc.1994—
+1K022881Cedara I-SoftviewCedara Software Corp.20023
+2K040468Cedara I-Softview and Cedara I-ReadmammoCedara Software Corp.20041
+3K053301Cedara I-Response Cedara Pet/CTCedara Software Corp.2006—
+4K071950Syngo TruedSiemens Medical Solutions USA, Inc.2007—
+5K091373Syngo TruedSiemens Medical Solutions USA, Inc.2009—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200420
200610
200750
200840
200920
201070
201160
201280
2013120
2014120
2015120
2016190
2017200
2018280
2019190
2020330
2021310
2022320
2023320
2024340
2025491
2026450
FIG. 1 — Lineage of K941933, 1994–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

1 device in this family has a Class I recall. 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?

FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

What descends from it? (414)

See all 414

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K022881Cedara I-SoftviewCedara Software Corp.2002413

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K250443MAGNETOM Avanto Fit; MAGNETOM Skyra Fit; MAGNETOM Sola Fit; MAGNETOM Viato.MobileSiemens Healthcare GmbH · 2025 · 10 generations on · ◆ in the 2025 descendants bar of FIG. 12 Class I recalls

What does this lineage say?

  • Of its descendants, K022881 (Cedara Software Corp., 2002) has gone furthest, with 413 descendants of its own.

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—
Cite this page

510(k) Report. “K941933: Isg Medical Imaging Family of Workstations (Mifw).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K941933

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026