510(k) Report

De Novo · Granted

Granted

Comfort Marker 2.0.

DEN200041De NovoGranted Dec 10, 2021536-day reviewClass II21 CFR 892.5785

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Medical Precision BV · QRN Radiation Therapy Marking Device

Granted on Dec 10, 2021 as a new device type through De Novo after a 536-day review. 1 later device descends from it.

Decided
Dec 10, 2021
Review
536 days
Class
Class II
Product code
QRN
Recalls
None

1 later device descends from it, 1 citing it directly.

Descendants, by year cleared 2023: 1 descendant cleared2020202220242026
  1. This deviceDEN200041 Comfort Marker 2.0.Medical Precision BV · 2021
  2. Descendant · cites it directly · 0 of its ownK222112 Comfort Marker 2.0Medical Precision BV · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K222112Comfort Marker 2.0Medical Precision BV · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)DEN200041Comfort Marker 2.0.Medical Precision BV2021—
+1K222112Comfort Marker 2.0Medical Precision BV2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of DEN200041, 2021–2023Source: 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 De Novo 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 QRN? 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 QRN device

  1. #1 K222112 Comfort Marker 2.0score 5.1 · 1 generation · no Class I recall
Get a 510(k) Report

Does it have a predicate?

De Novo decisions do not claim a predicate device.

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K222112Comfort Marker 2.0Medical Precision BV20230

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?

  • Of its descendants, K222112 (Medical Precision BV, 2023) has gone furthest, with 0 descendants of its own.

How does its category compare?

All QRN devices

QRN Radiation Therapy Marking Device: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · QRN

1in 2023

2021: 12023: 1
2007high 1 (2021) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QRN

Too few QRN 510(k)s in any year since 2007 to give a median.

Recalls per year · QRN

No recall names QRN since 2007.

Adverse event reports per year · QRN

No MAUDE report names QRN 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
20180—00
20190—00
20200—00
20211—00
20220—00
20231—00
20240—00
20250—00
20260—0—

What is it indicated for?

The device is indicated for use for applying ink to the skin to identify the margins for radiation therapy. The device is intended to be used in clinical settings by Radiotherapy professionals.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “DEN200041: Comfort Marker 2.0..” Lineage record from FDA De Novo data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/DEN200041

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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