510(k) Report

510(k) · Cleared

Cleared

Barron Rotary Blade Trephine Using Hessburg-Barron

K864520510(k) TraditionalCleared Jan 20, 198764-day reviewClass I21 CFR 886.4350

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

Precision Instruments, Inc. · HRH Trephine, Manual, Ophthalmic

Cleared on Jan 20, 1987 after a 64-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 64 later devices descend from it.

Decided
Jan 20, 1987
Review
64 days
Class
Class I
Product code
HRH
Recalls
None
Predicates
0

64 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 1996: 1 descendant cleared2009: 2 descendants cleared1998: 2 descendants cleared2010: 5 descendants cleared2005: 1 descendant cleared2012: 8 descendants cleared2006: 1 descendant cleared2008: 2 descendants cleared2014: 4 descendants cleared2013: 2 descendants cleared2016: 2 descendants cleared2007: 1 descendant cleared2011: 4 descendants cleared2018: 6 descendants cleared2015: 6 descendants cleared2017: 6 descendants cleared2023: 2 descendants cleared2019: 1 descendant cleared2020: 2 descendants cleared2025: 2 descendants cleared2022: 3 descendants cleared2021: 1 descendant cleared1990200020102020
  1. This deviceK864520 Barron Rotary Blade Trephine Using Hessburg-BarronPrecision Instruments, Inc. · 1987
  2. Descendant · cites it directly · 61 of its ownK981063 Automated Corneal TrephineLaser Center Dev. Corp. · 1998
  3. Descendant · 2 generations on · 60 of its ownK041893 Intralase FS LaserIntra Lase Corp. · 2005
  4. Descendant · 3 generations on · 58 of its ownK060372 Intralase FS Laser, Intralase FS30 Laser, Models 1, 2, 3Intra Lase Corp. · 2006
  5. Descendant · 4 generations on · 57 of its ownK063682 Intralase Fusion LaserIntra Lase Corp. · 2007
  6. Descendant · 4 generations on · 56 of its ownK073404 Ifs Laser SystemIntra Lase Corp. · 2008

Showing 5 of 64 descendants. See all descendants

Descendants cleared per year

1996: 11998: 22005: 12006: 12007: 12008: 22009: 22010: 52011: 42012: 82013: 22014: 42015: 62016: 22017: 62018: 62019: 12020: 22021: 12022: 32023: 22025: 2
1996high 8 (2012) · low 0 (1997)2026

Most influential descendants

Showing 5 of 64 · See all
  • K981063Automated Corneal TrephineLaser Center Dev. Corp. · 1998 · cites it directly61descendants
  • K041893Intralase FS LaserIntra Lase Corp. · 2005 · 2 generations on60descendants
  • K060372Intralase FS Laser, Intralase FS30 Laser, Models 1, 2, 3Intra Lase Corp. · 2006 · 3 generations on58descendants
  • K063682Intralase Fusion LaserIntra Lase Corp. · 2007 · 4 generations on57descendants
  • K073404Ifs Laser SystemIntra Lase Corp. · 2008 · 4 generations on56descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K864520Barron Rotary Blade Trephine Using Hessburg-BarronPrecision Instruments, Inc.1987—
+1K981063Automated Corneal TrephineLaser Center Dev. Corp.1998—
+2K041893Intralase FS LaserIntra Lase Corp.2005—
+3K060372Intralase FS Laser, Intralase FS30 Laser, Models 1, 2, 3Intra Lase Corp.2006—
+4K063682Intralase Fusion LaserIntra Lase Corp.2007—
+4K073404Ifs Laser SystemIntra Lase Corp.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199610
199820
200510
200610
200710
200820
200920
201050
201140
201280
201320
201440
201560
201620
201760
201860
201910
202020
202110
202230
202320
202520
FIG. 1 — Lineage of K864520, 1987–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

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  • Recall history across each candidate’s familyin the report
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What was it cleared against?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (64)

See all 64

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

NumberDeviceApplicantDecidedDescendants
K981063Automated Corneal TrephineLaser Center Dev. Corp.199861
K092647Lensx 550 Laser SystemLensx Lasers, Inc.200931
K964289Eye Fixation SpeculumEyefix, Inc.19961

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, K981063 (Laser Center Dev. Corp., 1998) has gone furthest, with 61 descendants of its own.

How does its category compare?

All HRH devices

HRH Trephine, Manual, Ophthalmic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HRH

FDA has decided no HRH device since 2007.

Median 510(k) review, days · HRH

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

Recalls per year · HRH

No recall names HRH since 2007.

Adverse event reports per year · HRH

2in 2023

2007: 12009: 12010: 42011: 12013: 12020: 12022: 12023: 2
2007high 4 (2010) · low 0 (2008)2025

MAUDE reports naming product code HRH, 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
20070—01
20080—00
20090—01
20100—04
20110—01
20120—00
20130—01
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—01
20210—00
20220—01
20230—02
20240—00
20250—00
20260—0—
Cite this page

510(k) Report. “K864520: Barron Rotary Blade Trephine Using Hessburg-Barron.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K864520

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026