510(k) Report

510(k) · Cleared

Cleared

aprevo® Digital Segmentation

K231955510(k) TraditionalCleared Nov 3, 2023123-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

Carlsmed, Inc. · QIH Automated Radiological Image Processing Software

Cleared on Nov 3, 2023 as substantially equivalent to K183105 (Materialise NV, 2019) after a 123-day review. Its family tree reaches back 5 generations to 1993. 1 later device descends from it.

Decided
Nov 3, 2023
Review
123 days
Class
Class II
Product code
QIH
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K924630 (1993). 6 ancestors in all, the oldest K924810 (1993). 1 later device descends from it, 1 citing it directly.

Other ancestors, by generationDescendants, by generation 4 generations back: 1 other ancestor 1 generation forward: 1 descendant K183105 · Mimics Medical · Materialise NV · 2019K073468 · Mimics · Materialise NV · 2008K033849 · Simplant System · Materialise NV · 2004K970617 · CT-Modeller System · Materialise NV · 1997K924630 · Surgicad (TM) View (TM) · Surgicad Corp. · 1993−50
  1. Root · 5 generations backK924630 Surgicad (TM) View (TM)Surgicad Corp. · 1993
  2. 4 generations backK970617 CT-Modeller SystemMaterialise NV · 1997
  3. 3 generations backK033849 Simplant SystemMaterialise NV · 2004
  4. 2 generations backK073468 MimicsMaterialise NV · 2008
  5. 1 generation backK183105 Mimics MedicalMaterialise NV · 2019
  6. This deviceK231955 aprevo® Digital SegmentationCarlsmed, Inc. · 2023
  7. Descendant · cites it directly · 0 of its ownK253628 Auto-Seg (SO-0012), Spine Auto-Seg (SO-0012)Agada Medical, Ltd. · 2026

Most influential descendants

Showing 1 of 1 · See all
  • K253628Auto-Seg (SO-0012), Spine Auto-Seg (SO-0012)Agada Medical, Ltd. · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K924630Surgicad (TM) View (TM)Surgicad Corp.1993—
−4K970617CT-Modeller SystemMaterialise NV1997—
−3K033849Simplant SystemMaterialise NV2004—
−2K073468MimicsMaterialise NV2008—
−1K183105Mimics MedicalMaterialise NV2019—
0 (this device)K231955aprevo® Digital SegmentationCarlsmed, Inc.2023—
+1K253628Auto-Seg (SO-0012), Spine Auto-Seg (SO-0012)Agada Medical, Ltd.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202610
FIG. 1 — Lineage of K231955, 1993–2026Source: 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), 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 QIH? 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 QIH device

  1. #1 K213998 cvi42 Auto Imaging Software Applicationscore 23.5 · 7 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
*K183105Mimics Medical
Summary page 4
…e Summary was Prepared: October 31, 2023 Trade or Proprietary Name: aprevo® Digital Segmentation Predicate Clearance Numbers K183105, Mimics Medical and Name Reference Device Number K202034 aprevo™ Intervertebral Body Fusion Device and Name…
Materialise NV2019—
†K202034aprevo Intervertebral Body Fusion DeviceCarlsmed, Inc.2020—
†K201232Limbus ContourLimbus Ai, Inc.2020—

Also cleared against K183105: 16 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K253628Auto-Seg (SO-0012), Spine Auto-Seg (SO-0012)Agada Medical, Ltd.20260

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 30 years and passes through 3 companies; a new generation was cleared every 4.6 years on median.
  • None of the 6 ancestors has a recall.
  • Of its descendants, K253628 (Agada Medical, Ltd., 2026) has gone furthest, with 0 descendants of its own.
  • 16 other devices also cite its predicate K183105.

How does its category compare?

All QIH devices

QIH Automated Radiological Image Processing Software: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

FDA decisions per year · QIH

94in 2025

2019: 22020: 112021: 192022: 252023: 452024: 642025: 942026 (partial year): 78
2007high 94 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QIH

150in 2025

2020: 145 days median2021: 125 days median2022: 134 days median2023: 151 days median2024: 141 days median2025: 150 days median2026 (partial year): 130 days median
2007high 151 (2023) · low 125 (2021)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · QIH

1so far in 2026, the most since 2007

2026 (partial year): 1
2007high 1 (2026) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · QIH

4in 2025

2024: 22025: 4
2007high 4 (2025) · low 0 (2007)2025

MAUDE reports naming product code QIH, 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
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20192—00
20201114500
20211912500
20222513400
20234515100
20246414102
20259415004
2026781301—

What is it indicated for?

aprevo® Digital Segmentation software is intended to be used by trained, medically knowledgeable design personnel to perform digital image segmentation of the spine, primarily lumbar anatomy. The device inputs DICOM images and outputs a 3-D model of the spine.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K231955: aprevo® Digital Segmentation.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231955

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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