510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Head Fiation Device (HFD 100)

K103493510(k) TraditionalCleared Mar 11, 2011102-day reviewClass II21 CFR 882.4460Recalls 3

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

Imris, Inc. · HBL Holder, Head, Neurosurgical (Skull Clamp)

Cleared on Mar 11, 2011 as substantially equivalent to K081401 (Integra Lifesciences Corp., 2008) and 2 other predicates after a 102-day review. Its family tree reaches back 10 generations to 1995. 1 of the 59 devices in its family, counting itself, has a Class I recall. 2 later devices descend from it. It has been recalled 3 times.

Decided
Mar 11, 2011
Review
102 days
Class
Class II
Product code
HBL
Recalls
3
Predicates
3

Its longest line of descent runs back 10 generations to K944964 (1995). 56 ancestors in all, the oldest K871863 (1987). 2 later devices descend from it, 2 citing it directly. 1 of the 59 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2008: 1 other ancestor2007: 1 other ancestor2005: 2 other ancestors2003: 2 other ancestors, 1 with a Class I recall12000: 1 other ancestor1996: 4 other ancestors1993: 10 other ancestors2002: 2 other ancestors1994: 8 other ancestors1991: 2 other ancestors2001: 1 other ancestor1999: 2 other ancestors1998: 3 other ancestors1997: 1 other ancestor1989: 1 other ancestor1987: 1 other ancestor1995: 4 other ancestors2014: 1 descendant cleared2012: 1 descendant clearedK944964 · Branemark System Miruscone Abutment System · Nobelpharma USA, Inc. · 1995×2: 2 generations cleared close together, K961728 (1996), K962403 (1996) K971706 · Tiadapt Abutment System · Nobel Biocare Uas, Inc. · 1997K974150 · Procera Preparable Abutment System · Nobel Biocare Uas, Inc. · 1998 · recalledK032263 · 3I Patient-Specific Dental Abutment and Overdenture Bar · Implant Innovations, Inc. · 2004 · recalledK042658 · Procera Abutment Branemark, Models 10-4001, 10-4004, 10-5001, 10-5004, 10-6001, 10-6004 · Nobel Biocare Uas, Inc. · 2004K051501 · Zirace · Acucera, Inc. · 2005×2: 2 generations cleared close together, K063494 (2007), K072208 (2007) 1990200020102020
  1. Root · 10 generations backK944964 Branemark System Miruscone Abutment SystemNobelpharma USA, Inc. · 1995
  2. 6 generations between
  3. 3 generations backK051501 ZiraceAcucera, Inc. · 2005
  4. 2 generations backK063494 Doro Radiolucent Headrest System ( Also Mri-Compatible) and ComponentsPro-Med Instruments GmbH · 2007
  5. 1 generation backK072208 Mayfield Disposable and Reusable Titanium Skull PinsIntegra LifeSciences Corporation · 2007
  6. This deviceK103493 Head Fiation Device (HFD 100)Imris, Inc. · 2011
  7. Descendant · cites it directly · 0 of its ownK141950 HFD100 Rocker Arm AccessoryImris, Inc. · 2014
  8. Descendant · cites it directly · 0 of its ownK113748 Imris MR/X-Ray Head Fixation Device (HFD)Imris, Inc. · 2012 · Recalled
Show all 10 generations
  1. Root · 10 generations backK944964 Branemark System Miruscone Abutment SystemNobelpharma USA, Inc. · 1995
  2. 9 generations backK961728 Miruscone Abutment SystemNobelpharma USA, Inc. · 1996
  3. 8 generations backK962403 Noblepharma Wide AccessoriesNobelpharma USA, Inc. · 1996
  4. 7 generations backK971706 Tiadapt Abutment SystemNobel Biocare Uas, Inc. · 1997
  5. 6 generations backK974150 Procera Preparable Abutment SystemNobel Biocare Uas, Inc. · 1998 · Recalled
  6. 5 generations backK032263 3I Patient-Specific Dental Abutment and Overdenture BarImplant Innovations, Inc. · 2004 · Recalled
  7. 4 generations backK042658 Procera Abutment Branemark, Models 10-4001, 10-4004, 10-5001…Nobel Biocare Uas, Inc. · 2004
  8. 3 generations backK051501 ZiraceAcucera, Inc. · 2005
  9. 2 generations backK063494 Doro Radiolucent Headrest System ( Also Mri-Compatible) and ComponentsPro-Med Instruments GmbH · 2007
  10. 1 generation backK072208 Mayfield Disposable and Reusable Titanium Skull PinsIntegra LifeSciences Corporation · 2007
  11. This deviceK103493 Head Fiation Device (HFD 100)Imris, Inc. · 2011

Class I recalls in this family

Most influential descendants

Showing 2 of 2 · See all
  • K141950HFD100 Rocker Arm AccessoryImris, Inc. · 2014 · cites it directly0descendants
  • K113748Imris MR/X-Ray Head Fixation Device (HFD)Imris, Inc. · 2012 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K944964Branemark System Miruscone Abutment SystemNobelpharma USA, Inc.1995—
−9K961728Miruscone Abutment SystemNobelpharma USA, Inc.1996—
−8K962403Noblepharma Wide AccessoriesNobelpharma USA, Inc.1996—
−7K971706Tiadapt Abutment SystemNobel Biocare Uas, Inc.1997—
−6K974150Procera Preparable Abutment SystemNobel Biocare Uas, Inc.19982
−5K0322633I Patient-Specific Dental Abutment and Overdenture BarImplant Innovations, Inc.20041
−4K042658Procera Abutment Branemark, Models 10-4001, 10-4004, 10-5001, 10-5004…Nobel Biocare Uas, Inc.2004—
−3K051501ZiraceAcucera, Inc.2005—
−2K063494Doro Radiolucent Headrest System ( Also Mri-Compatible) and ComponentsPro-Med Instruments GmbH2007—
−1K072208Mayfield Disposable and Reusable Titanium Skull PinsIntegra LifeSciences Corporation2007—
0 (this device)K103493Head Fiation Device (HFD 100)Imris, Inc.2011—
+1K141950HFD100 Rocker Arm AccessoryImris, Inc.2014—
+1K113748Imris MR/X-Ray Head Fixation Device (HFD)Imris, Inc.20121

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
198910
199120
1993100
199480
199540
199640
199710
199830
199920
200010
200110
200220
200321
200520
200710
200810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
201410
FIG. 1 — Lineage of K103493, 1995–2014Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
Get a 510(k) Report

What was it cleared against? (3)

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
*K081401Mayfield MR/X-Ray Skull Clamp
Summary page 2
…IMRIS Inc. Corporation LifeSciences instruments GmbH Corporation FDA 51 0(k) # K081401 K072208 K063494 Subject Device…
Integra Lifesciences Corp.2008—
*K072208Mayfield Disposable and Reusable Titanium Skull Pins
Summary page 1
…Oct 8, 2008 Integra LifeSciences Clamp corporation MAYFIELD® Disposable and K072208 Sep 7, 2007 Integra LifeSciences Reusable Titanium Skull Pins corporation…
Integra LifeSciences Corporation2007—
*K063494Doro Radiolucent Headrest System ( Also Mri-Compatible) and Components
Summary page 1
…Sep 7, 2007 Integra LifeSciences Reusable Titanium Skull Pins corporation DORO® RadiolucentlMRl K063494 May 21, 2007 Pro med instruments Compatible Cranial stabilization GmbH Conf…
Pro-Med Instruments GmbH2007—

Also cleared against K081401: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K141950HFD100 Rocker Arm AccessoryImris, Inc.20140
K113748Imris MR/X-Ray Head Fixation Device (HFD)Imris, Inc.20120

Has anything in its family been recalled? (1 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Dec 8, 2025Class IIZ-1034-2026Device DesignTorque screw may crack or separate. If used, an affected screw could lead to inadequate head stabilization, compromised surgical precision, procedural delays, requirement for alternate head fixation methods, and risk of patient injury.
Feb 17, 2022Class IIZ-0934-2022Device DesignReports have been received that after normal or routine lateral forces are applied to the head fixation device, the split block clamp may deflect (rotationally around the axis) and not return to within acceptable distance from its prior…
Aug 14, 2017Class IIZ-3211-2017Process controlincorrect thread on thumbscrews

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 · 2 generations back · ◆ in the 2003 ancestors bar of FIG. 13 Class I recalls

What does this lineage say?

  • The line of descent spans 16 years and passes through 7 companies; a new generation was cleared every 12 months on median.
  • 8 of the 56 ancestors have a recall of any class; 1 has a Class I recall.
  • Of its descendants, K141950 (Imris, Inc., 2014) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K081401.

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. 2011, 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 IMRIS Head Fixation Device System is an MR compatible mechanical support system which is used in head, neck and spine surgery when rigid fixation is required for cranial stabilization.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K103493: Head Fiation Device (HFD 100).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K103493

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

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