510(k) · Cleared
ClearedArthrex Knotless AC Repair Devices
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Arthrex, Inc. · HTN Washer, Bolt Nut
Cleared on Jun 6, 2022 as substantially equivalent to K052776 (Arthrex, Inc., 2005) after a 66-day review. Its family tree reaches back 7 generations to 1979. 3 later devices descend from it.
- Decided
- Jun 6, 2022
- Review
- 66 days
- Class
- Class II
- Product code
- HTN
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 7 generations to K792022 (1979). 40 ancestors in all. 3 later devices descend from it, 1 citing it directly.
- Root · 7 generations backK792022 Herbert Bone ScrewZimmer, Inc. · 1979 · Recalled
- 6 generations backK974876 Bionx Distal Radius ScrewBionx Implants, Inc. · 1998
- 5 generations backK992947 Cannulated Smartscrew Models 224540C, 224570CBionx Implants, Ltd. · 1999
- 4 generations backK012001 SmartscrewBionx Implants, Ltd. · 2001
- 3 generations backK030900 Inion Otps Biodegradable Fixaton SystemInion, Ltd. · 2003
- 2 generations backK043248 Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS…Arthrex, Inc. · 2005
- 1 generation backK052776 Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel…Arthrex, Inc. · 2005
- This deviceK220947 Arthrex Knotless AC Repair DevicesArthrex, Inc. · 2022
- Descendant · cites it directly · 2 of its ownK232755 Arthrex FiberTape and TigerTape Cerclage SuturesArthrex, Inc. · 2023
- Descendant · 2 generations on · 0 of its ownK243344 Arthrex FiberTape and TigerTape Cerclage Sutures; Arthrex Radiopaque…Arthrex, Inc. · 2025
- Descendant · 2 generations on · 0 of its ownK243742 Arthrex DynaNite Nitinol StaplesArthrex, Inc. · 2025
Most influential descendants
Showing 3 of 3 · See all- K232755Arthrex FiberTape and TigerTape Cerclage SuturesArthrex, Inc. · 2023 · cites it directly2descendants
- K243344Arthrex FiberTape and TigerTape Cerclage Sutures; Arthrex Radiopaque FiberTape Cerclage…Arthrex, Inc. · 2025 · 2 generations on0descendants
- K243742Arthrex DynaNite Nitinol StaplesArthrex, Inc. · 2025 · 2 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K792022 | Herbert Bone Screw | Zimmer, Inc. | 1979 | 6 |
| −6 | K974876 | Bionx Distal Radius Screw | Bionx Implants, Inc. | 1998 | — |
| −5 | K992947 | Cannulated Smartscrew Models 224540C, 224570C | Bionx Implants, Ltd. | 1999 | — |
| −4 | K012001 | Smartscrew | Bionx Implants, Ltd. | 2001 | — |
| −3 | K030900 | Inion Otps Biodegradable Fixaton System | Inion, Ltd. | 2003 | — |
| −2 | K043248 | Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel.… | Arthrex, Inc. | 2005 | — |
| −1 | K052776 | Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel , Models… | Arthrex, Inc. | 2005 | — |
| 0 (this device) | K220947 | Arthrex Knotless AC Repair Devices | Arthrex, Inc. | 2022 | — |
| +1 | K232755 | Arthrex FiberTape and TigerTape Cerclage Sutures | Arthrex, Inc. | 2023 | — |
| +2 | K243344 | Arthrex FiberTape and TigerTape Cerclage Sutures; Arthrex Radiopaque FiberTape… | Arthrex, Inc. | 2025 | — |
| +2 | K243742 | Arthrex DynaNite Nitinol Staples | Arthrex, Inc. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1990 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2023 | 1 | 0 |
| 2025 | 2 | 0 |
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 K201522 Arthrex Syndesmosis TightRope XP Buttress…score 16.4 · 6 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K052776 | Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel , Models AR-2257…Summary page 4…Name 21 CFR 888.3030: Single/multiple component metallic bone fixation appliances and accessories Regulatory Class II Predicate Device K052776: Arthrex TightRope Acromioclavicular (AC) Device Reference Device K112437: Arthrex Fracture System K14… | 2005 |
| † | K112437 | Arthrex Fracture System | 2011 |
| † | K143139 | Arthrex Fracture System | 2015 |
| † | K123341 | Arthrex Pec Repair Button, Arthrex Large Pec Button, Arthrex Biceps Button, Arthrex… | 2012 |
| † | K202581 | Arthrex TightRope II | 2020 |
| † | K112990 | Acl Tightrope,Acl Tightrope Duuble Bundle | 2011 |
What descends from it? (3)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K232755 | Arthrex FiberTape and TigerTape Cerclage Sutures | 2023 | 2 |
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 43 years and passes through 5 companies; a new generation was cleared every 1.8 years on median.
- 2 of the 40 ancestors have a recall of any class.
- Of its descendants, K232755 (Arthrex, Inc., 2023) has gone furthest, with 2 descendants of its own.
- 14 other devices also cite its predicate K052776.
How does its category compare?
All HTN devicesHTN Washer, Bolt Nut: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.
FDA decisions per year · HTN
4in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · HTN
75in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · HTN
1in 2019
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · HTN
190in 2025
MAUDE reports naming product code HTN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 0 | 14 |
| 2008 | 2 | — | 0 | 11 |
| 2009 | 3 | 86 | 0 | 22 |
| 2010 | 0 | — | 0 | 17 |
| 2011 | 4 | 130 | 0 | 12 |
| 2012 | 0 | — | 0 | 69 |
| 2013 | 3 | 105 | 1 | 45 |
| 2014 | 8 | 98 | 0 | 33 |
| 2015 | 2 | — | 0 | 35 |
| 2016 | 1 | — | 0 | 43 |
| 2017 | 6 | 88 | 0 | 30 |
| 2018 | 2 | — | 0 | 48 |
| 2019 | 5 | 116 | 1 | 53 |
| 2020 | 3 | 87 | 0 | 81 |
| 2021 | 2 | — | 0 | 149 |
| 2022 | 5 | 86 | 0 | 85 |
| 2023 | 2 | — | 0 | 108 |
| 2024 | 6 | 90 | 0 | 269 |
| 2025 | 4 | 75 | 0 | 190 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Knotless AC Repair Devices are intended as adjuncts in fracture repair involving metaphyseal and periarticular small bone fragments where screws are not indicated, and as adjuncts in external and intramedullary fixation systems involving plates and rods, with fracture braces and casting.
The Knotless AC Repair Devices are intended to provide fixation during the healing process following syndesmotic trauma, such as fixation of acromioclavicular separation due to coracoclavicular ligament disruption.
The Knotless AC Repair Devices with distal clavicle plate button are intended for use with Arthrex clavicle plates for clavicle indications and may not be used alone.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K220947 · printed Nov 6, 2026
Cite this page
510(k) Report. “K220947: Arthrex Knotless AC Repair Devices.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220947
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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