510(k) Report

510(k) · Cleared

Cleared

OIC FLEX-FIX™ System

K233531510(k) TraditionalCleared Feb 2, 202492-day reviewClass II21 CFR 888.3030

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

Orthopaedic Implant Company · HTN Washer, Bolt Nut

Cleared on Feb 2, 2024 as substantially equivalent to K162996 (Smith & Nephew, Inc., 2017) and 2 other predicates after a 92-day review. Its family tree reaches back 9 generations to 1990.

Decided
Feb 2, 2024
Review
92 days
Class
Class II
Product code
HTN
Recalls
None
Predicates
3

Its longest line of descent runs back 9 generations to K904436 (1990). 80 ancestors in all, the oldest K792022 (1979). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2021: 1 other ancestor2017: 1 other ancestor2018: 2 other ancestors2013: 1 other ancestor2011: 2 other ancestors2008: 2 other ancestors2009: 1 other ancestor2007: 2 other ancestors2006: 4 other ancestors2005: 1 other ancestor2004: 2 other ancestors2003: 4 other ancestors2001: 9 other ancestors1998: 7 other ancestors2000: 4 other ancestors1999: 5 other ancestors1996: 8 other ancestors1992: 1 other ancestor1982: 1 other ancestor2002: 2 other ancestors1997: 3 other ancestors1994: 2 other ancestors1993: 1 other ancestor1995: 3 other ancestors1990: 1 other ancestor1979: 1 other ancestorK904436 · Quickanchor (TM) · Mitek Surgical Products, Inc. · 1990K962397 · Statak Soft Tissue Attachment Device · Zimmer, Inc. · 1996K973015 · Multitak SS Suture System · Bonutti Research · 1997K990156 · Multitak SS Buttons · Bonutti Research · 1999K031666 · Arthrex Fiberwire Button Repair Kit, Model AR-8920DS/AR-8921DS · Arthrex, Inc. · 2003 · recalledK062747 · Arthrex Retrobutton, 15MM, 60MM, Retrobutton, Long, 15MM, 60MM · Arthrex, Inc. · 2006K100652 · Acl Tightrope · Arthrex, Inc. · 2010K112990 · Acl Tightrope,Acl Tightrope Duuble Bundle · Arthrex, Inc. · 2011K130033 · Toggleloc Xtender; Toggleloc XL; Implant Kit Toggleloc; Implant Kit Toggleloc BTB, Extended Toggleloc; Toggleloc; BTB to · Biomet Manufacturing Corp · 2013 · recalled19801990200020102020
  1. Root · 9 generations backK904436 Quickanchor (TM)Mitek Surgical Products, Inc. · 1990
  2. 5 generations between
  3. 3 generations backK100652 Acl TightropeArthrex, Inc. · 2010
  4. 2 generations backK112990 Acl Tightrope,Acl Tightrope Duuble BundleArthrex, Inc. · 2011
  5. 1 generation backK130033 Toggleloc Xtender; Toggleloc XL; Implant Kit Toggleloc; Implant Kit…Biomet Manufacturing Corp · 2013 · Recalled
  6. This deviceK233531 OIC FLEX-FIX™ SystemOrthopaedic Implant Company · 2024
Show all 9 generations
  1. Root · 9 generations backK904436 Quickanchor (TM)Mitek Surgical Products, Inc. · 1990
  2. 8 generations backK962397 Statak Soft Tissue Attachment DeviceZimmer, Inc. · 1996
  3. 7 generations backK973015 Multitak SS Suture SystemBonutti Research · 1997
  4. 6 generations backK990156 Multitak SS ButtonsBonutti Research · 1999
  5. 5 generations backK031666 Arthrex Fiberwire Button Repair Kit, Model AR-8920DS/AR-8921DSArthrex, Inc. · 2003 · Recalled
  6. 4 generations backK062747 Arthrex Retrobutton, 15MM, 60MM, Retrobutton, Long, 15MM, 60MMArthrex, Inc. · 2006
  7. 3 generations backK100652 Acl TightropeArthrex, Inc. · 2010
  8. 2 generations backK112990 Acl Tightrope,Acl Tightrope Duuble BundleArthrex, Inc. · 2011
  9. 1 generation backK130033 Toggleloc Xtender; Toggleloc XL; Implant Kit Toggleloc; Implant Kit…Biomet Manufacturing Corp · 2013 · Recalled
  10. This deviceK233531 OIC FLEX-FIX™ SystemOrthopaedic Implant Company · 2024
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K904436Quickanchor (TM)Mitek Surgical Products, Inc.1990—
−8K962397Statak Soft Tissue Attachment DeviceZimmer, Inc.1996—
−7K973015Multitak SS Suture SystemBonutti Research1997—
−6K990156Multitak SS ButtonsBonutti Research1999—
−5K031666Arthrex Fiberwire Button Repair Kit, Model AR-8920DS/AR-8921DSArthrex, Inc.20031
−4K062747Arthrex Retrobutton, 15MM, 60MM, Retrobutton, Long, 15MM, 60MMArthrex, Inc.2006—
−3K100652Acl TightropeArthrex, Inc.2010—
−2K112990Acl Tightrope,Acl Tightrope Duuble BundleArthrex, Inc.2011—
−1K130033Toggleloc Xtender; Toggleloc XL; Implant Kit Toggleloc; Implant Kit Toggleloc…Biomet Manufacturing Corp20133
0 (this device)K233531OIC FLEX-FIX™ SystemOrthopaedic Implant Company2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198210
199010
199210
199310
199420
199530
199680
199730
199870
199950
200040
200190
200220
200340
200420
200510
200640
200720
200820
200910
201120
201310
201710
201820
202110
FIG. 1 — Lineage of K233531, 1990–2024Source: 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.

Planning a device in HTN? 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 HTN device

  1. #1 K201522 Arthrex Syndesmosis TightRope XP Buttress…score 16.5 · 6 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
*K162996INVISIKNOT Ankle Syndesmosis Repair Kit
Summary page 5
…Implant Applications (UNS R56401) Comparison of Technological Characteristics (Substantial Equivalence): The primary predicate device: Smith & Nephew, Inc K162996 INVISIKNOT Ankle Syndesmosis Repair Kit Additional predicate devices: Biomet Orthopedics, LLC. K130033 ToggleLoc System (…
Smith & Nephew, Inc.2017—
*K130033Toggleloc Xtender; Toggleloc XL; Implant Kit Toggleloc; Implant Kit Toggleloc BTB…
Summary page 5
…primary predicate device: Smith & Nephew, Inc K162996 INVISIKNOT Ankle Syndesmosis Repair Kit Additional predicate devices: Biomet Orthopedics, LLC. K130033 ToggleLoc System (ZipTight Ankle Fixation) Orthopaedic Implant Company K202971 DRPx Locking Distal…
Biomet Manufacturing Corp20133
*K202971DRPx Locking Distal Radius Plate System
Summary page 5
…ditional predicate devices: Biomet Orthopedics, LLC. K130033 ToggleLoc System (ZipTight Ankle Fixation) Orthopaedic Implant Company K202971 DRPx Locking Distal Radius Plate System The OIC FLEX-FIXTM System has the following similarities to those which previously recei…
Orthopaedic Implant Company2021—

Also cleared against K162996: 1 other device →

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?

  • The line of descent spans 34 years and passes through 6 companies; a new generation was cleared every 2.9 years on median.
  • 12 of the 80 ancestors have a recall of any class.
  • 1 other device also cites its predicate K162996.

How does its category compare?

All HTN devices

HTN Washer, Bolt Nut: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · HTN

4in 2025

2007: 12008: 22009: 32011: 42013: 32014: 82015: 22016: 12017: 62018: 22019: 52020: 32021: 22022: 52023: 22024: 62025: 42026 (partial year): 2
2007high 8 (2014) · low 0 (2010)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HTN

75in 2025

2009: 86 days median2011: 130 days median2013: 105 days median2014: 98 days median2017: 88 days median2019: 116 days median2020: 87 days median2022: 86 days median2024: 90 days median2025: 75 days median
2007high 130 (2011) · low 75 (2025)2026

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

Recalls per year · HTN

1in 2019

2013: 12019: 1
2007high 1 (2013) · low 0 (2007)2026

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

Adverse event reports per year · HTN

190in 2025

2007: 142008: 112009: 222010: 172011: 122012: 692013: 452014: 332015: 352016: 432017: 302018: 482019: 532020: 812021: 1492022: 852023: 1082024: 2692025: 190
2007high 269 (2024) · low 11 (2008)2025

MAUDE reports naming product code HTN, 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
20071—014
20082—011
2009386022
20100—017
20114130012
20120—069
20133105145
2014898033
20152—035
20161—043
2017688030
20182—048
20195116153
2020387081
20212—0149
2022586085
20232—0108
20246900269
20254750190
20262—0—

What is it indicated for?

The OIC FLEX-FIX System is intended to provide fixation during the healing process following trauma to the Ankle Syndesmosis (Syndesmosis disruption) and as an adjunct in connection with trauma hardware for ankle fractures such as Weber B and C. The device is intended for use in adults.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233531: OIC FLEX-FIX™ System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K233531

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