510(k) Report

510(k) · Cleared

Cleared

Endosize

K141475510(k) TraditionalCleared Jul 31, 201457-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

Therenva Sas · LLZ System, Image Processing, Radiological

Cleared on Jul 31, 2014 as substantially equivalent to K120367 (Pie Medical Imaging BV, 2012) after a 57-day review. Its family tree reaches back 6 generations to 1996. 16 later devices descend from it.

Decided
Jul 31, 2014
Review
57 days
Class
Class II
Product code
LLZ
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K954678 (1996). 7 ancestors in all. 16 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2006: 1 other ancestor2016: 1 descendant cleared2021: 1 descendant cleared2022: 4 descendants cleared2017: 1 descendant cleared2026: 1 descendant cleared2019: 1 descendant cleared2025: 3 descendants cleared2020: 1 descendant cleared2023: 2 descendants cleared2024: 1 descendant clearedK954678 · Pro Vision · Algotec Systems, Ltd. · 1996K980648 · Pro Vision · Algotec Systems, Ltd. · 1998K992654 · Plug 'N View 3D, Version 1.0 · Voxar Limited · 1999K043097 · 3VISEON · 3Mensio Medical Imaging BV · 2004K072653 · 3VISEON/Surgery · 3Mensio Medical Imaging BV · 2008K120367 · 3MENSIO Workstation · Pie Medical Imaging BV · 20121995200020052010201520202025
Other ancestors, by generationDescendants, by generation 3 generations back: 1 other ancestor 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 3 descendants4 generations forward: 2 descendants5 generations forward: 3 descendants6 generations forward: 1 descendant7 generations forward: 1 descendant8 generations forward: 1 descendant K120367 · 3MENSIO Workstation · Pie Medical Imaging BV · 2012K072653 · 3VISEON/Surgery · 3Mensio Medical Imaging BV · 2008K043097 · 3VISEON · 3Mensio Medical Imaging BV · 2004K992654 · Plug 'N View 3D, Version 1.0 · Voxar Limited · 1999K980648 · Pro Vision · Algotec Systems, Ltd. · 1998K954678 · Pro Vision · Algotec Systems, Ltd. · 1996−50+5
  1. Root · 6 generations backK954678 Pro VisionAlgotec Systems, Ltd. · 1996
  2. 5 generations backK980648 Pro VisionAlgotec Systems, Ltd. · 1998
  3. 4 generations backK992654 Plug 'N View 3D, Version 1.0Voxar Limited · 1999
  4. 3 generations backK043097 3VISEON3Mensio Medical Imaging BV · 2004
  5. 2 generations backK072653 3VISEON/Surgery3Mensio Medical Imaging BV · 2008
  6. 1 generation backK120367 3MENSIO WorkstationPie Medical Imaging BV · 2012
  7. This deviceK141475 EndosizeTherenva Sas · 2014
  8. Descendant · cites it directly · 13 of its ownK160376 EndoSizeTherenva Sas · 2016
  9. Descendant · 2 generations on · 10 of its ownK171534 SurgicalPreviewEndo Vantage, LLC · 2017
  10. Descendant · 3 generations on · 8 of its ownK190049 Sim&SizeSim&Cure · 2019
  11. Descendant · 4 generations on · 5 of its ownK202322 Sim&SizeSim&Cure · 2020
  12. Descendant · 5 generations on · 3 of its ownK212373 Sim&SizeSim&Cure · 2022

Showing 5 of 16 descendants. See all descendants

Descendants cleared per year

2016: 12017: 12019: 12020: 12021: 12022: 42023: 22024: 12025: 32026: 1
2016high 4 (2022) · low 0 (2018)2026

Most influential descendants

Showing 5 of 16 · See all
  • K160376EndoSizeTherenva Sas · 2016 · cites it directly13descendants
  • K171534SurgicalPreviewEndo Vantage, LLC · 2017 · 2 generations on10descendants
  • K190049Sim&SizeSim&Cure · 2019 · 3 generations on8descendants
  • K202322Sim&SizeSim&Cure · 2020 · 4 generations on5descendants
  • K212373Sim&SizeSim&Cure · 2022 · 5 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

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

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200610

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201610
201710
201910
202010
202110
202240
202320
202410
202530
202610
FIG. 1 — Lineage of K141475, 1996–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
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
*K1203673MENSIO Workstation
Summary page 1
…System Regulation Number 892.2050 510(k) Number K120367 Device Name 3mensio Workstation Pouct Code…
Pie Medical Imaging BV2012—

Also cleared against K120367: 3 other devices →

What descends from it? (16)

See all 16

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

NumberDeviceApplicantDecidedDescendants
K160376EndoSizeTherenva Sas201613
K212442Cydar EV (Series B) and Cydar EV MapsCydar, Ltd.20211

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 18 years and passes through 5 companies; a new generation was cleared every 3.2 years on median.
  • None of the 7 ancestors has a recall.
  • Of its descendants, K160376 (Therenva Sas, 2016) has gone furthest, with 13 descendants of its own.
  • 3 other devices also cite its predicate K120367.

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. 2014, 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?

EndoSize enables visualization and measurement of structures of the heart and vessels for pre-operational planning and sizing for cardiovascular interventions and surgery, and for postoperative evaluation.

General functionalities are provided such as:

* Segmentation of cardiovascular structures

* Automatic and manual centerline detection

* Visualization of CT scan images in every planes, 2D review, 3D reconstruction. Volume Rendering, MPR. Stretched CMPR

* Measurement and annotation tools

* Reporting tools

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K141475: Endosize.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K141475

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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