510(k) Report

510(k) · Cleared

Cleared

Sim&Size

K202322510(k) TraditionalCleared Dec 31, 2020136-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

Sim&Cure · PZO Software For Visualization Of Vascular Anatomy And Intravascular Devices

Cleared on Dec 31, 2020 as substantially equivalent to K190049 (Sim&Cure, 2019) after a 136-day review. Its family tree reaches back 10 generations to 1996. 5 later devices descend from it.

Decided
Dec 31, 2020
Review
136 days
Class
Class II
Product code
PZO
Recalls
None
Predicates
1

Its longest line of descent runs back 10 generations to K954678 (1996). 11 ancestors in all. 5 later devices descend from it, 2 citing it directly.

  1. Root · 10 generations backK954678 Pro VisionAlgotec Systems, Ltd. · 1996
  2. 6 generations between
  3. 3 generations backK160376 EndoSizeTherenva Sas · 2016
  4. 2 generations backK171534 SurgicalPreviewEndo Vantage, LLC · 2017
  5. 1 generation backK190049 Sim&SizeSim&Cure · 2019
  6. This deviceK202322 Sim&SizeSim&Cure · 2020
  7. Descendant · cites it directly · 3 of its ownK212373 Sim&SizeSim&Cure · 2022
  8. Descendant · 2 generations on · 2 of its ownK222664 Sim&SizeSim&Cure · 2023
  9. Descendant · 3 generations on · 1 of its ownK242124 Sim&SizeSim&Cure · 2024
  10. Descendant · 4 generations on · 0 of its ownK253122 Sim&SizeSim&Cure · 2025
  11. Descendant · cites it directly · 0 of its ownK213838 AneuGuideArteryFlow Technology Co., Ltd. · 2022
Show all 10 generations
  1. Root · 10 generations backK954678 Pro VisionAlgotec Systems, Ltd. · 1996
  2. 9 generations backK980648 Pro VisionAlgotec Systems, Ltd. · 1998
  3. 8 generations backK992654 Plug 'N View 3D, Version 1.0Voxar Limited · 1999
  4. 7 generations backK043097 3VISEON3Mensio Medical Imaging BV · 2004
  5. 6 generations backK072653 3VISEON/Surgery3Mensio Medical Imaging BV · 2008
  6. 5 generations backK120367 3MENSIO WorkstationPie Medical Imaging BV · 2012
  7. 4 generations backK141475 EndosizeTherenva Sas · 2014
  8. 3 generations backK160376 EndoSizeTherenva Sas · 2016
  9. 2 generations backK171534 SurgicalPreviewEndo Vantage, LLC · 2017
  10. 1 generation backK190049 Sim&SizeSim&Cure · 2019
  11. This deviceK202322 Sim&SizeSim&Cure · 2020

Most influential descendants

Showing 5 of 5 · See all
  • K212373Sim&SizeSim&Cure · 2022 · cites it directly3descendants
  • K222664Sim&SizeSim&Cure · 2023 · 2 generations on2descendants
  • K242124Sim&SizeSim&Cure · 2024 · 3 generations on1descendant
  • K253122Sim&SizeSim&Cure · 2025 · 4 generations on0descendants
  • K213838AneuGuideArteryFlow Technology Co., Ltd. · 2022 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K954678Pro VisionAlgotec Systems, Ltd.1996—
−9K980648Pro VisionAlgotec Systems, Ltd.1998—
−8K992654Plug 'N View 3D, Version 1.0Voxar Limited1999—
−7K0430973VISEON3Mensio Medical Imaging BV2004—
−6K0726533VISEON/Surgery3Mensio Medical Imaging BV2008—
−5K1203673MENSIO WorkstationPie Medical Imaging BV2012—
−4K141475EndosizeTherenva Sas2014—
−3K160376EndoSizeTherenva Sas2016—
−2K171534SurgicalPreviewEndo Vantage, LLC2017—
−1K190049Sim&SizeSim&Cure2019—
0 (this device)K202322Sim&SizeSim&Cure2020—
+1K212373Sim&SizeSim&Cure2022—
+2K222664Sim&SizeSim&Cure2023—
+3K242124Sim&SizeSim&Cure2024—
+4K253122Sim&SizeSim&Cure2025—
+1K213838AneuGuideArteryFlow Technology Co., Ltd.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202220
202310
202410
202510
FIG. 1 — Lineage of K202322, 1996–2025Source: 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 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. #1 K242124 Sim&Sizescore 15.1 · 13 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? (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
*K190049Sim&Size
Summary page 4
…cular Anatomy and Intravascular Devices Common Name: Radiological Image Processing Software Regulation Number: 892.2050 Class: II Product Code: PZO 3. Predicate Device K190049 - Sim&Size, Sim&Cure. 4. Device Description The Sim&Size software is a medical device intended to provide a 3D view of the fina…
Sim&Cure2019—

Also cleared against K190049: 1 other device →

What descends from it? (5)

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K212373Sim&SizeSim&Cure20223
K213838AneuGuideArteryFlow Technology Co., Ltd.20220

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 24 years and passes through 7 companies; a new generation was cleared every 2.3 years on median.
  • None of the 11 ancestors has a recall.
  • Of its descendants, K212373 (Sim&Cure, 2022) has gone furthest, with 3 descendants of its own.
  • 1 other device also cites its predicate K190049.

How does its category compare?

All PZO devices

PZO Software For Visualization Of Vascular Anatomy And Intravascular Devices: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · PZO

2in 2025

2017: 12019: 12020: 12022: 22023: 22024: 12025: 2
2007high 2 (2022) · low 0 (2007)2026

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
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20171—00
20180—00
20191—00
20201—00
20210—00
20222—00
20232—00
20241—00
20252—00
20260—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.

Cite this page

510(k) Report. “K202322: 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/K202322

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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