510(k) · Cleared
ClearedPreview Treatment Planning Software
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Medical Media Systems, Inc. · LLZ System, Image Processing, Radiological
Cleared on Apr 23, 2004 as substantially equivalent to K953616 (Medical Media Systems, 1996) after a 22-day review. Its family tree reaches back 1 generation to 1996. 1 of the 231 devices in its family, counting itself, has a Class I recall. 229 later devices descend from it.
- Decided
- Apr 23, 2004
- Review
- 22 days
- Class
- Class II
- Product code
- LLZ
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K953616 (1996). 229 later devices descend from it, 2 citing it directly. 1 of the 231 devices in this family, counting this one, has a Class I recall.
- Root · 1 generation backK953616 Preview Surgery Planning SoftwareMedical Media Systems · 1996
- This deviceK040852 Preview Treatment Planning SoftwareMedical Media Systems, Inc. · 2004
- Descendant · cites it directly · 226 of its ownK051528 Mevis Liveranalyser/Liverviewer SoftwareMevis Technology GmbH & Co. KG · 2005
- Descendant · 2 generations on · 217 of its ownK061696 Iqqa-Liver SoftwareEdda Technology, Inc. · 2006
- Descendant · 3 generations on · 195 of its ownK071310 Syngo CT Oncology Software PackageSiemens AG · 2007
- Descendant · 4 generations on · 117 of its ownK083524 Syngo Dual Energy with Extended FunationallySiemens Medical Solutions USA, Inc. · 2009
- Descendant · 5 generations on · 99 of its ownK112020 Syngo.CT Vascular AnalysisSiemens Medi Cal Solutions, Inc. · 2011
Showing 5 of 229 descendants. See all descendants
Descendants cleared per year
Class I recalls in this family
- K250443 MAGNETOM Avanto Fit; MAGNETOM Skyra Fit…9 generations on · 2025
Most influential descendants
Showing 5 of 229 · See all- K051528Mevis Liveranalyser/Liverviewer SoftwareMevis Technology GmbH & Co. KG · 2005 · cites it directly226descendants
- K061696Iqqa-Liver SoftwareEdda Technology, Inc. · 2006 · 2 generations on217descendants
- K071310Syngo CT Oncology Software PackageSiemens AG · 2007 · 3 generations on195descendants
- K083524Syngo Dual Energy with Extended FunationallySiemens Medical Solutions USA, Inc. · 2009 · 4 generations on117descendants
- K112020Syngo.CT Vascular AnalysisSiemens Medi Cal Solutions, Inc. · 2011 · 5 generations on99descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K953616 | Preview Surgery Planning Software | Medical Media Systems | 1996 | — |
| 0 (this device) | K040852 | Preview Treatment Planning Software | Medical Media Systems, Inc. | 2004 | — |
| +1 | K051528 | Mevis Liveranalyser/Liverviewer Software | Mevis Technology GmbH & Co. KG | 2005 | — |
| +2 | K061696 | Iqqa-Liver Software | Edda Technology, Inc. | 2006 | — |
| +3 | K071310 | Syngo CT Oncology Software Package | Siemens AG | 2007 | — |
| +4 | K083524 | Syngo Dual Energy with Extended Funationally | Siemens Medical Solutions USA, Inc. | 2009 | — |
| +5 | K112020 | Syngo.CT Vascular Analysis | Siemens Medi Cal Solutions, Inc. | 2011 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 1 | 0 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 3 | 0 |
| 2010 | 2 | 0 |
| 2011 | 6 | 0 |
| 2012 | 9 | 0 |
| 2013 | 5 | 0 |
| 2014 | 15 | 0 |
| 2015 | 12 | 0 |
| 2016 | 10 | 0 |
| 2017 | 7 | 0 |
| 2018 | 16 | 0 |
| 2019 | 17 | 0 |
| 2020 | 19 | 0 |
| 2021 | 10 | 0 |
| 2022 | 17 | 0 |
| 2023 | 18 | 0 |
| 2024 | 20 | 0 |
| 2025 | 19 | 1 |
| 2026 | 19 | 0 |
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.
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 K230955 syngo Application Softwarescore 21.5 · 11 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K953616 | Preview Surgery Planning SoftwareSummary page 2…Software Planning Software (K# 953616) Imarn technSSue Reformatted 20 images from 20Yaxial~ images YesYe… | 1996 |
What descends from it? (229)
See all 2292 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 · 9 generations on · ◆ in the 2025 descendants bar of FIG. 12 Class I recalls
What does this lineage say?
- Its one ancestor has no recall.
- Of its descendants, K051528 (Mevis Technology GmbH & Co. KG, 2005) has gone furthest, with 226 descendants of its own.
How does its category compare?
All LLZ devicesLLZ System, Image Processing, Radiological: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · LLZ
58in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LLZ
173in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LLZ
11in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LLZ
116in 2025
MAUDE reports naming product code LLZ, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 76 | 36 | 20 | 152 |
| 2008 | 94 | 52 | 32 | 154 |
| 2009 | 70 | 62 | 21 | 145 |
| 2010 | 51 | 98 | 17 | 145 |
| 2011 | 106 | 79 | 30 | 454 |
| 2012 | 82 | 87 | 12 | 266 |
| 2013 | 95 | 84 | 64 | 1,130 |
| 2014 | 78 | 89 | 6 | 15,631 |
| 2015 | 64 | 90 | 16 | 211 |
| 2016 | 82 | 90 | 12 | 290 |
| 2017 | 78 | 107 | 5 | 104 |
| 2018 | 104 | 105 | 7 | 72 |
| 2019 | 74 | 107 | 2 | 88 |
| 2020 | 81 | 115 | 6 | 82 |
| 2021 | 83 | 116 | 3 | 70 |
| 2022 | 65 | 137 | 4 | 28 |
| 2023 | 87 | 157 | 8 | 26 |
| 2024 | 62 | 131 | 6 | 42 |
| 2025 | 58 | 173 | 11 | 116 |
| 2026 | 45 | 110 | 14 | — |
What is it indicated for?
The Preview® Treatment Planning Software is intended to provide accurate, alternative two-dimensional images, as well as three-dimensional models, of patient specific anatomy from existing two-dimensional scan data of organs and tissues. The Preview® product offers the physician the capability to view existing scan data in a format that is more user friendly, and thus enhances the physician's capability to plan treatment. The Preview® product is not intended to provide medical diagnosis or a recommended treatment approach.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K040852 · printed Nov 5, 2026
Cite this page
510(k) Report. “K040852: Preview Treatment Planning Software.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K040852
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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