510(k) Report

510(k) · Cleared

Cleared

Modification to: Mayfield Radiolucent Skull Pins, Model 4-0-a-2020

K053045510(k) SpecialCleared Nov 21, 200524-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

Integra LifeSciences Corporation · HBL Holder, Head, Neurosurgical (Skull Clamp)

Cleared on Nov 21, 2005 as substantially equivalent to K021604 (Ohio Medical Instrument Co., Inc., 2002) after a 24-day review. Its family tree reaches back 2 generations to 1993. 6 later devices descend from it.

Decided
Nov 21, 2005
Review
24 days
Class
Class II
Product code
HBL
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K923789 (1993). 6 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2007: 2 descendants cleared2025: 1 descendant cleared2011: 1 descendant cleared2014: 1 descendant cleared2012: 1 descendant clearedK923789 · Mayfield Adult Disposable Skull Pin · Ohio Medical Instrument Co., Inc. · 1993K021604 · Mayfield Radiolucent Skull Pins, Model 4-0-a-2020 · Ohio Medical Instrument Co., Inc. · 2002 · recalled1990200020102020
Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 1 descendant3 generations forward: 2 descendants4 generations forward: 2 descendants K021604 · Mayfield Radiolucent Skull Pins, Model 4-0-a-2020 · Ohio Medical Instrument Co., Inc. · 2002 · recalledK923789 · Mayfield Adult Disposable Skull Pin · Ohio Medical Instrument Co., Inc. · 19930
  1. Root · 2 generations backK923789 Mayfield Adult Disposable Skull PinOhio Medical Instrument Co., Inc. · 1993
  2. 1 generation backK021604 Mayfield Radiolucent Skull Pins, Model 4-0-a-2020Ohio Medical Instrument Co., Inc. · 2002 · Recalled
  3. This deviceK053045 Modification to: Mayfield Radiolucent Skull Pins, Model 4-0-a-2020Integra LifeSciences Corporation · 2005
  4. Descendant · cites it directly · 5 of its ownK071458 Mayfield Radiolucent Disposable Skull PinsIntegra LifeSciences Corporation · 2007
  5. Descendant · 2 generations on · 4 of its ownK072208 Mayfield Disposable and Reusable Titanium Skull PinsIntegra LifeSciences Corporation · 2007
  6. Descendant · 3 generations on · 2 of its ownK103493 Head Fiation Device (HFD 100)Imris, Inc. · 2011 · Recalled
  7. Descendant · 3 generations on · 0 of its ownK250423 mb-FIX Cranial Stabilization SystemsMedical Bees GmbH · 2025
  8. Descendant · 4 generations on · 0 of its ownK141950 HFD100 Rocker Arm AccessoryImris, Inc. · 2014

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2007: 22011: 12012: 12014: 12025: 1
2007high 2 (2007) · low 0 (2008)2026

Most influential descendants

Showing 5 of 6 · See all
  • K071458Mayfield Radiolucent Disposable Skull PinsIntegra LifeSciences Corporation · 2007 · cites it directly5descendants
  • K072208Mayfield Disposable and Reusable Titanium Skull PinsIntegra LifeSciences Corporation · 2007 · 2 generations on4descendants
  • K103493Head Fiation Device (HFD 100)Imris, Inc. · 2011 · 3 generations on2descendants
  • K250423mb-FIX Cranial Stabilization SystemsMedical Bees GmbH · 2025 · 3 generations on0descendants
  • K141950HFD100 Rocker Arm AccessoryImris, Inc. · 2014 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K923789Mayfield Adult Disposable Skull PinOhio Medical Instrument Co., Inc.1993—
−1K021604Mayfield Radiolucent Skull Pins, Model 4-0-a-2020Ohio Medical Instrument Co., Inc.20021
0 (this device)K053045Modification to: Mayfield Radiolucent Skull Pins, Model 4-0-a-2020Integra LifeSciences Corporation2005—
+1K071458Mayfield Radiolucent Disposable Skull PinsIntegra LifeSciences Corporation2007—
+2K072208Mayfield Disposable and Reusable Titanium Skull PinsIntegra LifeSciences Corporation2007—
+3K103493Head Fiation Device (HFD 100)Imris, Inc.20113
+3K250423mb-FIX Cranial Stabilization SystemsMedical Bees GmbH2025—
+4K141950HFD100 Rocker Arm AccessoryImris, Inc.2014—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200720
201110
201210
201410
202510
FIG. 1 — Lineage of K053045, 1993–2025Source: 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 HBL? 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
*K021604Mayfield Radiolucent Skull Pins, Model 4-0-a-2020
Summary page 1
…lent in function and intended use to the unmodified Mayfield® Radiolucent Skull Pins which have been cleared to market under Prernarket Notification 510(k) K02 1604. Indications Use: The Mayfieldo Radiolucent Skull Pins are intended for use with a skull clamp that is placed on…
Ohio Medical Instrument Co., Inc.20021

Also cleared against K021604: 1 other device →

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K071458Mayfield Radiolucent Disposable Skull PinsIntegra LifeSciences Corporation20075

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 12 years and passes through 2 companies; a new generation was cleared every 9.5 years on median.
  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K071458 (Integra LifeSciences Corporation, 2007) has gone furthest, with 5 descendants of its own.
  • 1 other device also cites its predicate K021604.

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.

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 MAYFIELD® Radiolucent Skull Pins A-2020 are intended for use with a skull clamp that is placed on the patient's skull to hold their head and neck in a particular position during surgical procedures when rigid skeletal fixation is desired and Intra-Operative CT or MR imaging is used.

The MAYFIELD® Radiolucent Skull Pins A-2020 are indicated for use in open and percutaneous craniotomies and spinal surgeries when rigid skeletal fixation is necessary and when Intra-Operative CT or MR imaging of the patient is used.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K053045: Modification to: Mayfield Radiolucent Skull Pins, Model 4-0-a-2020.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K053045

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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