510(k) · Cleared
ClearedSim&Size
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Sim&Cure · PZO Software For Visualization Of Vascular Anatomy And Intravascular Devices
Cleared on Dec 23, 2025 as substantially equivalent to K242124 (Sim&Cure, 2024) after an 89-day review. Its family tree reaches back 14 generations to 1996.
- Decided
- Dec 23, 2025
- Review
- 89 days
- Class
- Class II
- Product code
- PZO
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 14 generations to K954678 (1996). 15 ancestors in all. No later device cites it as a predicate yet.
- Root · 14 generations backK954678 Pro VisionAlgotec Systems, Ltd. · 1996
- 10 generations between
- 3 generations backK212373 Sim&SizeSim&Cure · 2022
- 2 generations backK222664 Sim&SizeSim&Cure · 2023
- 1 generation backK242124 Sim&SizeSim&Cure · 2024
- This deviceK253122 Sim&SizeSim&Cure · 2025
Show all 14 generations
- Root · 14 generations backK954678 Pro VisionAlgotec Systems, Ltd. · 1996
- 13 generations backK980648 Pro VisionAlgotec Systems, Ltd. · 1998
- 12 generations backK992654 Plug 'N View 3D, Version 1.0Voxar Limited · 1999
- 11 generations backK043097 3VISEON3Mensio Medical Imaging BV · 2004
- 10 generations backK072653 3VISEON/Surgery3Mensio Medical Imaging BV · 2008
- 9 generations backK120367 3MENSIO WorkstationPie Medical Imaging BV · 2012
- 8 generations backK141475 EndosizeTherenva Sas · 2014
- 7 generations backK160376 EndoSizeTherenva Sas · 2016
- 6 generations backK171534 SurgicalPreviewEndo Vantage, LLC · 2017
- 5 generations backK190049 Sim&SizeSim&Cure · 2019
- 4 generations backK202322 Sim&SizeSim&Cure · 2020
- 3 generations backK212373 Sim&SizeSim&Cure · 2022
- 2 generations backK222664 Sim&SizeSim&Cure · 2023
- 1 generation backK242124 Sim&SizeSim&Cure · 2024
- This deviceK253122 Sim&SizeSim&Cure · 2025
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −14 | K954678 | Pro Vision | Algotec Systems, Ltd. | 1996 | — |
| −13 | K980648 | Pro Vision | Algotec Systems, Ltd. | 1998 | — |
| −12 | K992654 | Plug 'N View 3D, Version 1.0 | Voxar Limited | 1999 | — |
| −11 | K043097 | 3VISEON | 3Mensio Medical Imaging BV | 2004 | — |
| −10 | K072653 | 3VISEON/Surgery | 3Mensio Medical Imaging BV | 2008 | — |
| −9 | K120367 | 3MENSIO Workstation | Pie Medical Imaging BV | 2012 | — |
| −8 | K141475 | Endosize | Therenva Sas | 2014 | — |
| −7 | K160376 | EndoSize | Therenva Sas | 2016 | — |
| −6 | K171534 | SurgicalPreview | Endo Vantage, LLC | 2017 | — |
| −5 | K190049 | Sim&Size | Sim&Cure | 2019 | — |
| −4 | K202322 | Sim&Size | Sim&Cure | 2020 | — |
| −3 | K212373 | Sim&Size | Sim&Cure | 2022 | — |
| −2 | K222664 | Sim&Size | Sim&Cure | 2023 | — |
| −1 | K242124 | Sim&Size | Sim&Cure | 2024 | — |
| 0 (this device) | K253122 | Sim&Size | Sim&Cure | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2006 | 1 | 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.
Planning a device in PZO? 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 PZO device
- #1 K242124 Sim&Sizescore 15.1 · 13 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 |
|---|---|---|---|
| * | K242124 | Sim&SizeSummary page 5…umber: 892.2050 Product Code: PZO 3. Legally Marketed Predicate Device Predicate Predicate Trade Name Product Code K242124 Sim&Size PZO… | 2024 |
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 29 years and passes through 7 companies; a new generation was cleared every 1.9 years on median.
- None of the 15 ancestors has a recall.
How does its category compare?
All PZO devicesPZO Software For Visualization Of Vascular Anatomy And Intravascular Devices: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.
FDA decisions per year · PZO
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · PZO
Too few PZO 510(k)s in any year since 2007 to give a median.
Recalls per year · PZO
No recall names PZO since 2007.
Adverse event reports per year · PZO
No MAUDE report names PZO since 2007.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 1 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 1 | — | 0 | 0 |
| 2020 | 1 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 2 | — | 0 | 0 |
| 2023 | 2 | — | 0 | 0 |
| 2024 | 1 | — | 0 | 0 |
| 2025 | 2 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Sim&Size enables visualization of cerebral blood vessels for preoperational planning and sizing for neurovascular interventions and surgery. Sim&Size also allows for the ability to computationally model the placement of neurointerventional devices.
General functionalities are provided such as:
• Segmentation of neurovascular structures
• Automatic centerline detection
• Visualization of X-ray based images for 2D review and 3D reconstruction
• Placing and sizing tools
• Reporting tools
Information provided by the software is not intended in any way to eliminate, replace or substitute for, in whole or in part, the healthcare provider’s judgment and analysis of the patient’s condition.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K253122 · printed Nov 6, 2026
Cite this page
510(k) Report. “K253122: Sim&Size.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K253122
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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