# K161539: Arthrosurface Bone Screws

- Pathway: 510(k) (Special)
- Applicant: Arthrosurface, Inc.
- Decided: Jun 30, 2016 after 27 days
- Product code: HWC (Screw, Fixation, Bone)
- Device class: 2
- Regulation: 21 CFR 888.3040
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 11 generations back to K962616 (1996). 83 ancestors in all.
2 later devices descend from it; 1 cites it directly.
0 of 86 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K122334: Checkmate Small Bone Fusion System, Arthrosurface, Inc. (2012) Summary page 5.
- K140617: Pinit Small Bone Fusion System, Arthrosurface, Inc. (2014) Summary page 5.

## Most influential descendants
- K172383: Arthrosurface Bone Screws (2017), 1 descendant of its own
- K200226: RetroFix (2020), 0 descendants of its own

## Indications for use
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.

Source page: https://510kreport.com/device/K161539
Methodology: https://510kreport.com/methodology