510(k) Report

510(k) · Cleared

Cleared

Arthrosurface Bone Screws

K161539510(k) SpecialCleared Jun 30, 201627-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

Arthrosurface, Inc. · HWC Screw, Fixation, Bone

Cleared on Jun 30, 2016 as substantially equivalent to K122334 (Arthrosurface, Inc., 2012) and 1 other predicate after a 27-day review. Its family tree reaches back 11 generations to 1996. 2 later devices descend from it.

Decided
Jun 30, 2016
Review
27 days
Class
Class II
Product code
HWC
Recalls
None
Predicates
2

Its longest line of descent runs back 11 generations to K962616 (1996). 83 ancestors in all, the oldest K792022 (1979). 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2011: 2 other ancestors2010: 2 other ancestors2007: 1 other ancestor2006: 5 other ancestors2005: 8 other ancestors2004: 6 other ancestors2009: 1 other ancestor2003: 2 other ancestors2002: 6 other ancestors2001: 7 other ancestors2000: 7 other ancestors1996: 9 other ancestors1999: 2 other ancestors1995: 2 other ancestors1994: 2 other ancestors1991: 1 other ancestor1990: 1 other ancestor1989: 2 other ancestors1998: 3 other ancestors1993: 2 other ancestors1979: 1 other ancestor2017: 1 descendant cleared2020: 1 descendant clearedReference device: K051323 · Merete Twistcut Snap-Off Bone Screw · Merete Medical GmbH · 2005K962616 · Synthes Dorsal Distal Radius Plate (DDRP) System · Synthes (Usa) · 1996K982732 · Synthes (Usa) Distal Radius Plate System (DRPS) · Synthes · 1998×3: 3 generations cleared close together, K023007 (2002), K030198 (2003), K032705 (2003) ×2: 2 generations cleared close together, K050932 (2005), K051735 (2005) K071563 · Peri-Loc Periarticular Locked Plating System · Smith & Nephew, Inc. · 2007K090675 · Smith & Nephew, Inc. VLP Foot Plating, Screw System and Accessories · Smith & Nephew, Inc. · 2009K122334 · Checkmate Small Bone Fusion System · Arthrosurface, Inc. · 2012K140617 · Pinit Small Bone Fusion System · Arthrosurface, Inc. · 201419801990200020102020
  1. Root · 11 generations backK962616 Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa) · 1996
  2. 7 generations between
  3. 3 generations backK090675 Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc. · 2009
  4. 2 generations backK122334 Checkmate Small Bone Fusion SystemArthrosurface, Inc. · 2012
  5. 1 generation backK140617 Pinit Small Bone Fusion SystemArthrosurface, Inc. · 2014
  6. This deviceK161539 Arthrosurface Bone ScrewsArthrosurface, Inc. · 2016
  7. Descendant · cites it directly · 1 of its ownK172383 Arthrosurface Bone ScrewsArthrosurface, Inc. · 2017
  8. Descendant · 2 generations on · 0 of its ownK200226 RetroFixRetrofix Screws, LLC · 2020
Show all 11 generations
  1. Root · 11 generations backK962616 Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa) · 1996
  2. 10 generations backK982732 Synthes (Usa) Distal Radius Plate System (DRPS)Synthes · 1998
  3. 9 generations backK023007 Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2002
  4. 8 generations backK030198 Hand Innovations, Inc. Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2003
  5. 7 generations backK032705 Distal Radius Fracture Repair SystemHand Innovations, Inc. · 2003
  6. 6 generations backK050932 Distal Volar Radius Anatomical Plate SystemHand Innovations, Inc. · 2005 · Recalled
  7. 5 generations backK051735 Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper…Smith & Nephew, Inc. · 2005
  8. 4 generations backK071563 Peri-Loc Periarticular Locked Plating SystemSmith & Nephew, Inc. · 2007
  9. 3 generations backK090675 Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc. · 2009
  10. 2 generations backK122334 Checkmate Small Bone Fusion SystemArthrosurface, Inc. · 2012
  11. 1 generation backK140617 Pinit Small Bone Fusion SystemArthrosurface, Inc. · 2014
  12. This deviceK161539 Arthrosurface Bone ScrewsArthrosurface, Inc. · 2016

Most influential descendants

Showing 2 of 2 · See all
  • K172383Arthrosurface Bone ScrewsArthrosurface, Inc. · 2017 · cites it directly1descendant
  • K200226RetroFixRetrofix Screws, LLC · 2020 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K962616Synthes Dorsal Distal Radius Plate (DDRP) SystemSynthes (Usa)1996—
−10K982732Synthes (Usa) Distal Radius Plate System (DRPS)Synthes1998—
−9K023007Distal Radius Fracture Repair SystemHand Innovations, Inc.2002—
−8K030198Hand Innovations, Inc. Distal Radius Fracture Repair SystemHand Innovations, Inc.2003—
−7K032705Distal Radius Fracture Repair SystemHand Innovations, Inc.2003—
−6K050932Distal Volar Radius Anatomical Plate SystemHand Innovations, Inc.20051
−5K051735Peri-Loc Locking Bone Plates and Locking Bone Screws for the Upper ExtremitySmith & Nephew, Inc.2005—
−4K071563Peri-Loc Periarticular Locked Plating SystemSmith & Nephew, Inc.2007—
−3K090675Smith & Nephew, Inc. VLP Foot Plating, Screw System and AccessoriesSmith & Nephew, Inc.2009—
−2K122334Checkmate Small Bone Fusion SystemArthrosurface, Inc.2012—
−1K140617Pinit Small Bone Fusion SystemArthrosurface, Inc.2014—
0 (this device)K161539Arthrosurface Bone ScrewsArthrosurface, Inc.2016—
+1K172383Arthrosurface Bone ScrewsArthrosurface, Inc.2017—
+2K200226RetroFixRetrofix Screws, LLC2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197910
198920
199010
199110
199320
199420
199520
199690
199830
199920
200070
200170
200260
200320
200460
200580
200650
200710
200910
201020
201120

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
202010
FIG. 1 — Lineage of K161539, 1996–2020Source: 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 HWC? 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 HWC device

  1. #1 K203011 Monster Screw Systemscore 22.2 · 14 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? (2)

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
*K122334Checkmate Small Bone Fusion System
Summary page 5
…gn principles to the following predicate and/or reference devices, which have been previously cleared by the FDA: Primary Predicate CheckMate® Small Bone Fusion System (K122334, Cleared on 11/28/2012) Additional Predicate(s) PinIt® Small Bone Fusion System (K140617, Cleared on 04/25/2012) Reference Devi…
Arthrosurface, Inc.2012—
*K140617Pinit Small Bone Fusion System
Summary page 5
…sly cleared by the FDA: Primary Predicate CheckMate® Small Bone Fusion System (K122334, Cleared on 11/28/2012) Additional Predicate(s) PinIt® Small Bone Fusion System (K140617, Cleared on 04/25/2012) Reference Device(s) Merete TwistCut™ Snap-Off Bone Screw (K051323, Cleared on 07/07/2005) The fundament…
Arthrosurface, Inc.2014—
†K051323Merete Twistcut Snap-Off Bone ScrewMerete Medical GmbH2005—

Also cleared against K122334: 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
K172383Arthrosurface Bone ScrewsArthrosurface, Inc.20171

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 20 years and passes through 5 companies; a new generation was cleared every 1.8 years on median.
  • 21 of the 83 ancestors have a recall of any class.
  • Of its descendants, K172383 (Arthrosurface, Inc., 2017) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K122334.

How does its category compare?

All HWC devices

HWC Screw, Fixation, Bone: FDA decisions, review times, recalls and adverse event reports over 20 years. 2016, this device’s year, is highlighted.

FDA decisions per year · HWC

15in 2025

2007: 352008: 332009: 272010: 232011: 352012: 202013: 252014: 312015: 412016: 262017: 402018: 202019: 302020: 282021: 262022: 262023: 242024: 172025: 152026 (partial year): 21
2007high 41 (2015) · low 15 (2025)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · HWC

111in 2025

2007: 77 days median2008: 76 days median2009: 113 days median2010: 110 days median2011: 88 days median2012: 99 days median2013: 90 days median2014: 88 days median2015: 85 days median2016: 131 days median2017: 127 days median2018: 106 days median2019: 108 days median2020: 75 days median2021: 84 days median2022: 167 days median2023: 104 days median2024: 90 days median2025: 111 days median2026 (partial year): 125 days median
2007high 167 (2022) · low 75 (2020)2026

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

Recalls per year · HWC

1in 2025

2007: 252008: 332009: 292010: 72011: 122012: 302013: 142014: 22015: 52016: 42017: 42018: 12019: 52020: 42021: 22022: 132025: 12026 (partial year): 2
2007high 33 (2008) · low 0 (2023)2026

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

Adverse event reports per year · HWC

2,893in 2025

2007: 6692008: 6602009: 6512010: 7652011: 1,1042012: 3,3392013: 3,8502014: 2,5492015: 2,7112016: 2,2852017: 2,5612018: 3,6622019: 5,4632020: 4,8202021: 4,4462022: 3,9342023: 3,7182024: 3,5752025: 2,893
2007high 5,463 (2019) · low 651 (2009)2025

MAUDE reports naming product code HWC, 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
2007357725669
2008337633660
20092711329651
2010231107765
20113588121,104
20122099303,339
20132590143,850
2014318822,549
2015418552,711
20162613142,285
20174012742,561
20182010613,662
20193010855,463
2020287544,820
2021268424,446
202226167133,934
20232410403,718
2024179003,575
20251511112,893
2026211252—

What is it indicated for?

Intended for the treatment of fracture fixation, osteotomies (ex. Akin, Chevron, Scarf, Weil), reconstruction, revision surgery and arthrodesis of small bones in the upper and lower extremities.

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. “K161539: Arthrosurface Bone Screws.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161539

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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