510(k) Report

510(k) · Cleared

Cleared

DORO QR3 Headrest System (Aluminum)

K203505510(k) TraditionalCleared Mar 29, 2021119-day reviewClass II21 CFR 882.4460

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

Pro Med Instruments GmbH · HBL Holder, Head, Neurosurgical (Skull Clamp)

Cleared on Mar 29, 2021 as substantially equivalent to K032331 (Pro-Med Instruments GmbH, 2003) after a 119-day review. Its family tree reaches back 2 generations to 1991. 1 of the 5 devices in its family, counting itself, has a Class I recall.

Decided
Mar 29, 2021
Review
119 days
Class
Class II
Product code
HBL
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K913233 (1991). 4 ancestors in all. No later device cites it as a predicate yet. 1 of the 5 devices in this family, counting this one, has a Class I recall.

  1. Root · 2 generations backK913233 Codman Lhalo Split Ring Retractor SystemCodman & Shurtleff, Inc. · 1991
  2. 1 generation backK032331 Doro Radiolucent Headrest System and Horseshoe Headrests,and…Pro-Med Instruments GmbH · 2003 · Recalled (Class I)
  3. This deviceK203505 DORO QR3 Headrest System (Aluminum)Pro Med Instruments GmbH · 2021

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K913233Codman Lhalo Split Ring Retractor SystemCodman & Shurtleff, Inc.1991—
−1K032331Doro Radiolucent Headrest System and Horseshoe Headrests,and Non-Radiolucent…Pro-Med Instruments GmbH2003Class I
0 (this device)K203505DORO QR3 Headrest System (Aluminum)Pro Med Instruments GmbH2021—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199610
200010
FIG. 1 — Lineage of K203505, 1991–2021Source: 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 HBL device

  1. #1 K250423 mb-FIX Cranial Stabilization Systemsscore 13.0 · 10 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K032331Doro Radiolucent Headrest System and Horseshoe Headrests,and Non-Radiolucent J-Arm…
Summary page 5
…DORO RADIOLUCENT HEADREST SYSTEM DORO® QR3 Headrest AND HORSESHOE HEADRESTS,AND NON- K032331 Pro med instruments GmbH System (Aluminum) RADIOLUCENT J-ARM RETRACTOR SYSTE…
Pro-Med Instruments GmbH2003Class I

Also cleared against K032331: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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.

  • K032331Doro Radiolucent Headrest System and Horseshoe Headrests,and Non-Radiolucent J-Arm Retractor System…Pro-Med Instruments GmbH · 2003 · Direct predicate · ◆ on the line of descent in FIG. 13 Class I recalls

What does this lineage say?

  • The line of descent spans 30 years and passes through 3 companies; a new generation was cleared every 17.4 years on median.
  • 2 of the 4 ancestors have a recall of any class; 1 has a Class I recall.
  • 2 other devices also cite its predicate K032331.

How does its category compare?

All HBL devices

HBL Holder, Head, Neurosurgical (Skull Clamp): FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · HBL

1in 2025

2007: 32008: 22009: 32010: 12011: 12012: 22013: 22014: 22017: 12019: 22020: 22021: 12024: 22025: 1
2007high 3 (2007) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HBL

54in 2009

2007: 30 days median2009: 54 days median
2007high 54 (2009) · low 30 (2007)2026

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

Recalls per year · HBL

1in 2025

2012: 12013: 12017: 12019: 12020: 12022: 12025: 1
2007high 1 (2012) · low 0 (2007)2026

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

Adverse event reports per year · HBL

272in 2025

2007: 392008: 1032009: 972010: 1542011: 1992012: 1702013: 1482014: 1662015: 1962016: 2802017: 2962018: 3052019: 1,0282020: 6072021: 5122022: 2682023: 2652024: 1972025: 272
2007high 1,028 (2019) · low 39 (2007)2025

MAUDE reports naming product code HBL, 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
2007330039
20082—0103
2009354097
20101—0154
20111—0199
20122—1170
20132—1148
20142—0166
20150—0196
20160—0280
20171—1296
20180—0305
20192—11,028
20202—1607
20211—0512
20220—1268
20230—0265
20242—0197
20251—1272
20260—0—

What is it indicated for?

The DORO QR3 Headrest System is placed on the patient's skull to hold their head and neck securely in a particular position when rigid fixation is desired. The clamp is indicated for use in open and percutaneous craniotomies as well as spinal surgery when rigid skeletal fixation is necessary.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K203505: DORO QR3 Headrest System (Aluminum).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K203505

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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