510(k) Report

510(k) · Cleared

Cleared

VariAx 2 Distal Radius System

K233919510(k) TraditionalCleared Mar 25, 2024103-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

Stryker GmbH · HRS Plate, Fixation, Bone

Cleared on Mar 25, 2024 as substantially equivalent to K212581 (Stryker GmbH, 2022) after a 103-day review. Its family tree reaches back 16 generations to 1979. 2 later devices descend from it.

Decided
Mar 25, 2024
Review
103 days
Class
Class II
Product code
HRS
Recalls
None
Predicates
1

Its longest line of descent runs back 16 generations to K792022 (1979). 141 ancestors in all. 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2014: 2 other ancestors2006: 9 other ancestors2010: 5 other ancestors2005: 7 other ancestors2004: 10 other ancestors2009: 3 other ancestors2007: 4 other ancestors2003: 5 other ancestors2002: 4 other ancestors2001: 12 other ancestors2000: 11 other ancestors1999: 6 other ancestors1998: 7 other ancestors1996: 12 other ancestors2008: 5 other ancestors1995: 4 other ancestors1991: 1 other ancestor1990: 3 other ancestors1989: 2 other ancestors2013: 1 other ancestor1994: 3 other ancestors1993: 3 other ancestors2011: 1 other ancestor1997: 4 other ancestors1992: 1 other ancestor2024: 1 descendant cleared2025: 1 descendant clearedReference device: K133974 · Variax Distal Radius Plating System · Stryker Leibinger GmbH · 2014K792022 · Herbert Bone Screw · Zimmer, Inc. · 1979 · recalledK974876 · Bionx Distal Radius Screw · Bionx Implants, Inc. · 1998K992947 · Cannulated Smartscrew Models 224540C, 224570C · Bionx Implants, Ltd. · 1999K012001 · Smartscrew · Bionx Implants, Ltd. · 2001K030900 · Inion Otps Biodegradable Fixaton System · Inion, Ltd. · 2003K043248 · Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel. Model AR-8921DS · Arthrex, Inc. · 2005K052776 · Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel , Models AR-2257, AR-TBD · Arthrex, Inc. · 2005K082095 · Ultraslide Acromioclavicular and Syndesmotic Repair Device · Smith & Nephew Endoscopy, Inc. · 2008×2: 2 generations cleared close together, K112111 (2011), K113760 (2012) ×2: 2 generations cleared close together, K132502 (2013), K140769 (2014) ×2: 2 generations cleared close together, K173135 (2017), K180500 (2018) K191412 · VariAx 2 System, VariAx 2 Mini Fragment System · Stryker GmbH · 2019K212581 · VariAx 2 Distal Radius System, VariAx 2 Distal Ulna System · Stryker GmbH · 202219801990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 3 other ancestors3 generations back: 4 other ancestors4 generations back: 21 other ancestors5 generations back: 34 other ancestors6 generations back: 11 other ancestors7 generations back: 11 other ancestors8 generations back: 5 other ancestors9 generations back: 2 other ancestors10 generations back: 4 other ancestors11 generations back: 5 other ancestors12 generations back: 8 other ancestors13 generations back: 9 other ancestors14 generations back: 5 other ancestors15 generations back: 3 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K212581 · VariAx 2 Distal Radius System, VariAx 2 Distal Ulna System · Stryker GmbH · 2022K191412 · VariAx 2 System, VariAx 2 Mini Fragment System · Stryker GmbH · 2019K180500 · VariAx 2 System · Stryker GmbH · 2018K173135 · VariAx 2 System · Stryker GmbH · 2017K140769 · Variax 2 System · Stryker Trauma AG · 2014K132502 · Variax 2 System · Stryker Trauma AG · 2013K113760 · Variax Superior and Anterior, Lateral and Midshaft Clavicle Plates Variax Aiming Blocks & Joystick · Howmedica Osteonics Corp., Dba Stryker Orthopaedics · 2012K112111 · Acu-Sinch Repair System and Acumed Suture Anchor · Acumed, LLC · 2011K082095 · Ultraslide Acromioclavicular and Syndesmotic Repair Device · Smith & Nephew Endoscopy, Inc. · 2008K052776 · Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel , Models AR-2257, AR-TBD · Arthrex, Inc. · 2005K043248 · Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel. Model AR-8921DS · Arthrex, Inc. · 2005K030900 · Inion Otps Biodegradable Fixaton System · Inion, Ltd. · 2003K012001 · Smartscrew · Bionx Implants, Ltd. · 2001K992947 · Cannulated Smartscrew Models 224540C, 224570C · Bionx Implants, Ltd. · 1999K974876 · Bionx Distal Radius Screw · Bionx Implants, Inc. · 1998K792022 · Herbert Bone Screw · Zimmer, Inc. · 1979 · recalled−15−10−50
  1. Root · 16 generations backK792022 Herbert Bone ScrewZimmer, Inc. · 1979 · Recalled
  2. 12 generations between
  3. 3 generations backK180500 VariAx 2 SystemStryker GmbH · 2018
  4. 2 generations backK191412 VariAx 2 System, VariAx 2 Mini Fragment SystemStryker GmbH · 2019
  5. 1 generation backK212581 VariAx 2 Distal Radius System, VariAx 2 Distal Ulna SystemStryker GmbH · 2022
  6. This deviceK233919 VariAx 2 Distal Radius SystemStryker GmbH · 2024
  7. Descendant · cites it directly · 1 of its ownK242343 BPS Wrist Fracture SystemOrthonovis, Inc. · 2024
  8. Descendant · 2 generations on · 0 of its ownK250498 BPS Wrist Fracture SystemOrthonovis, Inc. · 2025
Show all 16 generations
  1. Root · 16 generations backK792022 Herbert Bone ScrewZimmer, Inc. · 1979 · Recalled
  2. 15 generations backK974876 Bionx Distal Radius ScrewBionx Implants, Inc. · 1998
  3. 14 generations backK992947 Cannulated Smartscrew Models 224540C, 224570CBionx Implants, Ltd. · 1999
  4. 13 generations backK012001 SmartscrewBionx Implants, Ltd. · 2001
  5. 12 generations backK030900 Inion Otps Biodegradable Fixaton SystemInion, Ltd. · 2003
  6. 11 generations backK043248 Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS…Arthrex, Inc. · 2005
  7. 10 generations backK052776 Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel…Arthrex, Inc. · 2005
  8. 9 generations backK082095 Ultraslide Acromioclavicular and Syndesmotic Repair DeviceSmith & Nephew Endoscopy, Inc. · 2008
  9. 8 generations backK112111 Acu-Sinch Repair System and Acumed Suture AnchorAcumed, LLC · 2011
  10. 7 generations backK113760 Variax Superior and Anterior, Lateral and Midshaft Clavicle Plates…Howmedica Osteonics Corp., Dba Stryker Orthopaedics · 2012
  11. 6 generations backK132502 Variax 2 SystemStryker Trauma AG · 2013
  12. 5 generations backK140769 Variax 2 SystemStryker Trauma AG · 2014
  13. 4 generations backK173135 VariAx 2 SystemStryker GmbH · 2017
  14. 3 generations backK180500 VariAx 2 SystemStryker GmbH · 2018
  15. 2 generations backK191412 VariAx 2 System, VariAx 2 Mini Fragment SystemStryker GmbH · 2019
  16. 1 generation backK212581 VariAx 2 Distal Radius System, VariAx 2 Distal Ulna SystemStryker GmbH · 2022
  17. This deviceK233919 VariAx 2 Distal Radius SystemStryker GmbH · 2024

Most influential descendants

Showing 2 of 2 · See all
  • K242343BPS Wrist Fracture SystemOrthonovis, Inc. · 2024 · cites it directly1descendant
  • K250498BPS Wrist Fracture SystemOrthonovis, Inc. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−16K792022Herbert Bone ScrewZimmer, Inc.19796
−15K974876Bionx Distal Radius ScrewBionx Implants, Inc.1998—
−14K992947Cannulated Smartscrew Models 224540C, 224570CBionx Implants, Ltd.1999—
−13K012001SmartscrewBionx Implants, Ltd.2001—
−12K030900Inion Otps Biodegradable Fixaton SystemInion, Ltd.2003—
−11K043248Tightrope Syndesmosis Repair Kit, Titanium, Model AR-8920DS; Stainless Steel.…Arthrex, Inc.2005—
−10K052776Tightrope Acromioclavicular (AC) Device, Titanium, Stainless Steel , Models…Arthrex, Inc.2005—
−9K082095Ultraslide Acromioclavicular and Syndesmotic Repair DeviceSmith & Nephew Endoscopy, Inc.2008—
−8K112111Acu-Sinch Repair System and Acumed Suture AnchorAcumed, LLC2011—
−7K113760Variax Superior and Anterior, Lateral and Midshaft Clavicle Plates Variax…Howmedica Osteonics Corp., Dba Stryker Orthopaedics2012—
−6K132502Variax 2 SystemStryker Trauma AG2013—
−5K140769Variax 2 SystemStryker Trauma AG2014—
−4K173135VariAx 2 SystemStryker GmbH2017—
−3K180500VariAx 2 SystemStryker GmbH2018—
−2K191412VariAx 2 System, VariAx 2 Mini Fragment SystemStryker GmbH2019—
−1K212581VariAx 2 Distal Radius System, VariAx 2 Distal Ulna SystemStryker GmbH2022—
0 (this device)K233919VariAx 2 Distal Radius SystemStryker GmbH2024—
+1K242343BPS Wrist Fracture SystemOrthonovis, Inc.2024—
+2K250498BPS Wrist Fracture SystemOrthonovis, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198920
199030
199110
199210
199330
199430
199540
1996120
199740
199870
199960
2000110
2001120
200240
200350
2004100
200570
200690
200740
200850
200930
201050
201110
201310
201420

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
202510
FIG. 1 — Lineage of K233919, 1979–2025Source: 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), 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 HRS? 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 HRS device

  1. #1 K222465 Tyber Medical Anatomical Plating Systemscore 27.5 · 16 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? (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
*K212581VariAx 2 Distal Radius System, VariAx 2 Distal Ulna System
Summary page 4
…[email protected] Date Prepared: December 13, 2023 Predicate Device: VariAx 2 Distal Radius System (K212581) Reference Device: VariAx Distal Radius Plating System (K133974) Device Description: This…
Stryker GmbH2022—
†K133974Variax Distal Radius Plating SystemStryker Leibinger GmbH2014—

Also cleared against K212581: 1 other device →

What descends from it? (2)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K242343BPS Wrist Fracture SystemOrthonovis, Inc.20241

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 45 years and passes through 10 companies; a new generation was cleared every 1.8 years on median.
  • 27 of the 141 ancestors have a recall of any class.
  • Of its descendants, K242343 (Orthonovis, Inc., 2024) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K212581.

How does its category compare?

All HRS devices

HRS Plate, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · HRS

54in 2025

2007: 352008: 352009: 472010: 492011: 432012: 592013: 562014: 762015: 562016: 442017: 572018: 402019: 462020: 482021: 402022: 472023: 402024: 542025: 542026 (partial year): 51
2007high 76 (2014) · low 35 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HRS

90in 2025

2007: 63 days median2008: 87 days median2009: 85 days median2010: 100 days median2011: 88 days median2012: 106 days median2013: 89 days median2014: 57 days median2015: 97 days median2016: 109 days median2017: 122 days median2018: 116 days median2019: 89 days median2020: 88 days median2021: 87 days median2022: 144 days median2023: 120 days median2024: 96 days median2025: 90 days median2026 (partial year): 82 days median
2007high 144 (2022) · low 57 (2014)2026

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

Recalls per year · HRS

1in 2025

2007: 22008: 112009: 32010: 162011: 52012: 42013: 112015: 72016: 52017: 32018: 22019: 252020: 12021: 92022: 32023: 12025: 12026 (partial year): 3
2007high 25 (2019) · low 0 (2014)2026

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

Adverse event reports per year · HRS

2,306in 2025

2007: 3392008: 3112009: 4352010: 4912011: 7732012: 1,6632013: 2,6432014: 2,4132015: 3,0952016: 2,2762017: 2,2202018: 2,6632019: 3,3592020: 2,7902021: 2,4422022: 1,7002023: 2,0492024: 1,8492025: 2,306
2007high 3,359 (2019) · low 311 (2008)2025

MAUDE reports naming product code HRS, 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
200735632339
2008358711311
200947853435
20104910016491
201143885773
20125910641,663
20135689112,643
2014765702,413
2015569773,095
20164410952,276
20175712232,220
20184011622,663
20194689253,359
2020488812,790
2021408792,442
20224714431,700
20234012012,049
2024549601,849
2025549012,306
202651823—

What is it indicated for?

The VariAx 2 Distal Radius System is indicated for the fixation of fractures, osteotomies, nonunions and malunions of the bones of the hand and wrist, including osteopenic bone.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K233919: VariAx 2 Distal Radius System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K233919

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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