510(k) Report

510(k) · Cleared

Cleared

Block Stop Wires

K964087510(k) TraditionalCleared Nov 25, 199645-day reviewClass II21 CFR 888.3040

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

Ferguson Medical · HTY Pin, Fixation, Smooth

Cleared on Nov 25, 1996 as substantially equivalent to K831005 (Kirschner Medical Corp., 1983) after a 45-day review. Its family tree reaches back 1 generation to 1983.

Decided
Nov 25, 1996
Review
45 days
Class
Class II
Product code
HTY
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K831005 (1983). No later device cites it as a predicate yet.

K831005 · Wire & Steinman Pins · Kirschner Medical Corp. · 1983 · recalled1980198519901995
  1. Root · 1 generation backK831005 Wire & Steinman PinsKirschner Medical Corp. · 1983 · Recalled
  2. This deviceK964087 Block Stop WiresFerguson Medical · 1996
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K831005Wire & Steinman PinsKirschner Medical Corp.198315
0 (this device)K964087Block Stop WiresFerguson Medical1996—
FIG. 1 — Lineage of K964087, 1983–1996Source: 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 HTY? 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 HTY device

  1. #1 K231272 OSSIOfiber® Pin Product Family, OSSIOfiber®…score 19.3 · 14 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
*K831005Wire & Steinman Pins
Summary page 1
…ommon/usual name: Fixation wire, fixation pin, and others o Proprietary name: Block Stop Wires L i B. Substantial equivalence: Kirschner Medical Wire and Steinman Pins (K831005), and others. C. Device description: The Block Stop Wires device is an internal wire fixation device to be used on various types…
Kirschner Medical Corp.198315

Also cleared against K831005: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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?

  • Its one ancestor has a recall.
  • 2 other devices also cite its predicate K831005.

How does its category compare?

All HTY devices

HTY Pin, Fixation, Smooth: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · HTY

5in 2025

2007: 62008: 62009: 22010: 92011: 62012: 42013: 42014: 82015: 82016: 62017: 52018: 42019: 42020: 52021: 52022: 42023: 52024: 12025: 52026 (partial year): 2
2007high 9 (2010) · low 1 (2024)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HTY

90in 2025

2007: 112 days median2008: 86 days median2010: 180 days median2011: 82 days median2012: 76 days median2013: 128 days median2014: 73 days median2015: 101 days median2016: 114 days median2017: 127 days median2018: 162 days median2019: 93 days median2020: 108 days median2021: 137 days median2022: 121 days median2023: 146 days median2025: 90 days median
2007high 180 (2010) · low 73 (2014)2026

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

Recalls per year · HTY

2in 2022

2009: 12010: 12016: 22019: 12022: 22026 (partial year): 1
2007high 2 (2016) · low 0 (2007)2026

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

Adverse event reports per year · HTY

39in 2025

2007: 462008: 382009: 362010: 332011: 1642012: 1292013: 1872014: 1492015: 1212016: 1282017: 822018: 1382019: 2222020: 2102021: 1482022: 962023: 1532024: 2972025: 39
2007high 297 (2024) · low 33 (2010)2025

MAUDE reports naming product code HTY, 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
20076112046
2008686038
20092—136
20109180133
20116820164
20124760129
201341280187
20148730149
201581010121
201661142128
20175127082
201841620138
20194931222
202051080210
202151370148
20224121296
202351460153
20241—0297
2025590039
20262—1—

What is it indicated for?

The Block Stop Wires device is intended for wuse in the osteosyntheses of epiphysial fractures with small osteoarticular fragments and for temporary support of dislocations of small articulations.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K964087: Block Stop Wires.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K964087

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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