510(k) Report

510(k) · Cleared

Cleared

AccuContour

K191928510(k) TraditionalCleared Feb 28, 2020224-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

Xiamen Manteia Technology, Ltd. · QKB Radiological Image Processing Software For Radiation Therapy

Cleared on Feb 28, 2020 as substantially equivalent to K182624 (Mim Software, Inc., 2018) after a 224-day review. Its family tree reaches back 14 generations to 1996. 1 of the 131 devices in its family, counting itself, has a Class I recall. 30 later devices descend from it.

Decided
Feb 28, 2020
Review
224 days
Class
Class II
Product code
QKB
Recalls
None
Predicates
1

Its longest line of descent runs back 14 generations to K954874 (1996). 100 ancestors in all, the oldest K885054 (1989). 30 later devices descend from it, 10 citing it directly. 1 of the 131 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2017: 2 other ancestors2016: 1 other ancestor2013: 2 other ancestors2011: 1 other ancestor2004: 7 other ancestors2002: 6 other ancestors2014: 1 other ancestor2012: 2 other ancestors2010: 1 other ancestor2007: 3 other ancestors2003: 5 other ancestors2000: 9 other ancestors1999: 3 other ancestors, 1 with a Class I recall11991: 5 other ancestors1989: 2 other ancestors2006: 2 other ancestors2005: 5 other ancestors1998: 4 other ancestors1995: 5 other ancestors2008: 1 other ancestor2001: 6 other ancestors1994: 2 other ancestors1993: 2 other ancestors1997: 3 other ancestors1992: 2 other ancestors1996: 3 other ancestors1990: 1 other ancestor2023: 5 descendants cleared2020: 1 descendant cleared2021: 6 descendants cleared2022: 3 descendants cleared2024: 4 descendants cleared2025: 5 descendants cleared2026: 6 descendants clearedK954874 · Spectef Protocol · GE Medical Systems · 1996K980914 · Emory Cardiac Tool Box · Emory University · 1998K992450 · Emory Cardiac Toolbox* 2.0 Executing on Nuclear Medicine Computers · Emory University · 1999K014033 · Emory Cardiac Toolbox 2.1 Executing on Nuclear Medicine Computers · Syntermed, Inc. · 2002K040141 · Emory Cardiac Toolbox Version 2.6 · Syntermed, Inc. · 2004K052379 · Mim 3.5 (Circa) · Mimvista Corp. · 2005×2: 2 generations cleared close together, K060816 (2006), K062163 (2006) K103785 · Mobile Mim · Mim Software, Inc. · 2011K112930 · Mobile Mim · Mim Software, Inc. · 2011K151913 · MIM-Thin Client (mobile) · Mim Software, Inc. · 2016K172218 · MIM – Y90 Dosimetry · Mim Software, Inc. · 2017K180815 · MIM - SPECTRA Quant · Mim Software, Inc. · 2018K182624 · MIM - MRT Dosimetry · Mim Software, Inc. · 20181990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 2 other ancestors3 generations back: 5 other ancestors4 generations back: 12 other ancestors, 1 with a Class I recall15 generations back: 11 other ancestors6 generations back: 14 other ancestors7 generations back: 16 other ancestors8 generations back: 14 other ancestors9 generations back: 12 other ancestors 1 generation forward: 10 descendants2 generations forward: 10 descendants3 generations forward: 4 descendants4 generations forward: 2 descendants5 generations forward: 4 descendants K182624 · MIM - MRT Dosimetry · Mim Software, Inc. · 2018K180815 · MIM - SPECTRA Quant · Mim Software, Inc. · 2018K172218 · MIM – Y90 Dosimetry · Mim Software, Inc. · 2017K151913 · MIM-Thin Client (mobile) · Mim Software, Inc. · 2016K112930 · Mobile Mim · Mim Software, Inc. · 2011K103785 · Mobile Mim · Mim Software, Inc. · 2011K062163 · Mimviewer · Mimvista Corp. · 2006K060816 · Mim 4.0 (Neuro · Mimvista Corp. · 2006 · recalledK052379 · Mim 3.5 (Circa) · Mimvista Corp. · 2005K040141 · Emory Cardiac Toolbox Version 2.6 · Syntermed, Inc. · 2004K014033 · Emory Cardiac Toolbox 2.1 Executing on Nuclear Medicine Computers · Syntermed, Inc. · 2002K992450 · Emory Cardiac Toolbox* 2.0 Executing on Nuclear Medicine Computers · Emory University · 1999K980914 · Emory Cardiac Tool Box · Emory University · 1998K954874 · Spectef Protocol · GE Medical Systems · 1996−10−50+5
  1. Root · 14 generations backK954874 Spectef ProtocolGE Medical Systems · 1996
  2. 10 generations between
  3. 3 generations backK172218 MIM – Y90 DosimetryMim Software, Inc. · 2017
  4. 2 generations backK180815 MIM - SPECTRA QuantMim Software, Inc. · 2018
  5. 1 generation backK182624 MIM - MRT DosimetryMim Software, Inc. · 2018
  6. This deviceK191928 AccuContourXiamen Manteia Technology, Ltd. · 2020
  7. Descendant · cites it directly · 6 of its ownK193562 AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc. · 2020
  8. Descendant · 2 generations on · 5 of its ownK221305 AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc. · 2022
  9. Descendant · cites it directly · 5 of its ownK202700 ART-PlanTherapanacea · 2021
  10. Descendant · 2 generations on · 4 of its ownK220813 Art-PlanTherapanacea · 2022
  11. Descendant · cites it directly · 4 of its ownK203235 VBrainVysioneer, Inc. · 2021
Show all 14 generations
  1. Root · 14 generations backK954874 Spectef ProtocolGE Medical Systems · 1996
  2. 13 generations backK980914 Emory Cardiac Tool BoxEmory University · 1998
  3. 12 generations backK992450 Emory Cardiac Toolbox* 2.0 Executing on Nuclear Medicine ComputersEmory University · 1999
  4. 11 generations backK014033 Emory Cardiac Toolbox 2.1 Executing on Nuclear Medicine ComputersSyntermed, Inc. · 2002
  5. 10 generations backK040141 Emory Cardiac Toolbox Version 2.6Syntermed, Inc. · 2004
  6. 9 generations backK052379 Mim 3.5 (Circa)Mimvista Corp. · 2005
  7. 8 generations backK060816 Mim 4.0 (NeuroMimvista Corp. · 2006 · Recalled
  8. 7 generations backK062163 MimviewerMimvista Corp. · 2006
  9. 6 generations backK103785 Mobile MimMim Software, Inc. · 2011
  10. 5 generations backK112930 Mobile MimMim Software, Inc. · 2011
  11. 4 generations backK151913 MIM-Thin Client (mobile)Mim Software, Inc. · 2016
  12. 3 generations backK172218 MIM – Y90 DosimetryMim Software, Inc. · 2017
  13. 2 generations backK180815 MIM - SPECTRA QuantMim Software, Inc. · 2018
  14. 1 generation backK182624 MIM - MRT DosimetryMim Software, Inc. · 2018
  15. This deviceK191928 AccuContourXiamen Manteia Technology, Ltd. · 2020

Showing 5 of 30 descendants. See all descendants

Descendants cleared per year

2020: 12021: 62022: 32023: 52024: 42025: 52026: 6
2020high 6 (2021) · low 1 (2020)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 30 · See all
  • K193562AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc. · 2020 · cites it directly6descendants
  • K221305AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc. · 2022 · 2 generations on5descendants
  • K202700ART-PlanTherapanacea · 2021 · cites it directly5descendants
  • K220813Art-PlanTherapanacea · 2022 · 2 generations on4descendants
  • K203235VBrainVysioneer, Inc. · 2021 · cites it directly4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−14K954874Spectef ProtocolGE Medical Systems1996—
−13K980914Emory Cardiac Tool BoxEmory University1998—
−12K992450Emory Cardiac Toolbox* 2.0 Executing on Nuclear Medicine ComputersEmory University1999—
−11K014033Emory Cardiac Toolbox 2.1 Executing on Nuclear Medicine ComputersSyntermed, Inc.2002—
−10K040141Emory Cardiac Toolbox Version 2.6Syntermed, Inc.2004—
−9K052379Mim 3.5 (Circa)Mimvista Corp.2005—
−8K060816Mim 4.0 (NeuroMimvista Corp.20061
−7K062163MimviewerMimvista Corp.2006—
−6K103785Mobile MimMim Software, Inc.2011—
−5K112930Mobile MimMim Software, Inc.2011—
−4K151913MIM-Thin Client (mobile)Mim Software, Inc.2016—
−3K172218MIM – Y90 DosimetryMim Software, Inc.2017—
−2K180815MIM - SPECTRA QuantMim Software, Inc.2018—
−1K182624MIM - MRT DosimetryMim Software, Inc.2018—
0 (this device)K191928AccuContourXiamen Manteia Technology, Ltd.2020—
+1K193562AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc.2020—
+2K221305AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc.2022—
+1K202700ART-PlanTherapanacea2021—
+2K220813Art-PlanTherapanacea2022—
+1K203235VBrainVysioneer, Inc.2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198920
199010
199150
199220
199320
199420
199550
199630
199730
199840
199931
200090
200160
200260
200350
200470
200550
200620
200730
200810
201010
201110
201220
201320
201410
201610
201720

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202160
202230
202350
202440
202550
202660
FIG. 1 — Lineage of K191928, 1996–2026Source: 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.

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 QKB device

  1. #1 K242745 AI-Rad Companion Organs RTscore 20.2 · 18 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
*K182624MIM - MRT Dosimetry
Summary page 6
…2/6 5. Identification of Predicate Device 510(k) Number: K182624 Product Name: MIM-MRT Dosimetry 6. Non-Clinical Test Conclusion Segmentation performance test The segmentati…
Mim Software, Inc.2018—

Also cleared against K182624: 4 other devices →

What descends from it? (30)

See all 30

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

NumberDeviceApplicantDecidedDescendants
K193562AI-Rad Companion Organs RTSiemens Medical Solutions USA, Inc.20206
K202700ART-PlanTherapanacea20215
K203235VBrainVysioneer, Inc.20214
K221706AccuContourManteia Technologies Co., Ltd.20232
K220264EFAI RTSuite CT HN-Segmentation SystemEver Fortune.Ai, Co., Ltd.20222
K230082Auto SegmentationGe Medical Systems, LLC20231
K212116VBrain-OARVysioneer, Inc.20211
K231855QOCA® image Smart RT Contouring SystemQuanta Computer, Inc.20240
K213155RT-Mind-AIMedmind Technology Co., Ltd.20210
K203610Automatic Anatomy Recognition (AAR)Quantitative Radiology Solutions, LLC20210

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.

  • K991841Hawkeye Option for Dual-Head Variable Angle Gamma CameraGe Medical Systems F.I. Haifa · 1999 · 4 generations back · ◆ in the 1999 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 24 years and passes through 6 companies; a new generation was cleared every 1.6 years on median.
  • 31 of the 100 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K193562 (Siemens Medical Solutions USA, Inc., 2020) has gone furthest, with 6 descendants of its own.
  • 4 other devices also cite its predicate K182624.

How does its category compare?

All QKB devices

QKB Radiological Image Processing Software For Radiation Therapy: FDA decisions, review times, recalls and adverse event reports over 20 years. 2020, this device’s year, is highlighted.

FDA decisions per year · QKB

6in 2025

2018: 12020: 42021: 92022: 72023: 72024: 62025: 62026 (partial year): 9
2007high 9 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QKB

170in 2025

2020: 244 days median2021: 120 days median2022: 162 days median2023: 111 days median2024: 173 days median2025: 170 days median2026 (partial year): 179 days median
2007high 244 (2020) · low 111 (2023)2026

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

Recalls per year · QKB

No recall names QKB since 2007.

Adverse event reports per year · QKB

No MAUDE report names QKB 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
20170—00
20181—00
20190—00
2020424400
2021912000
2022716200
2023711100
2024617300
2025617000
202691790—

What is it indicated for?

It is used by radiation oncology department to register multimodality images and segment (non-contrast) CT images, to generate needed information for treatment planning, treatment evaluation and treatment adaptation.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K191928: AccuContour.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191928

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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