# K141912: Aos Small Bone External Fixation, Threaded Half Pins, Aos Small Bone External Fixation, Carbon Fiber Rods, Aos Small Bon

- Pathway: 510(k) (Traditional)
- Applicant: Advanced Orthopaedic Solutions, Inc.
- Decided: Oct 29, 2014 after 106 days
- Product code: KTT (Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component)
- Device class: 2
- Regulation: 21 CFR 888.3030
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K961916 (1996). 22 ancestors in all.
1 later device descends from it; 1 cites it directly.
0 of 24 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K080408: External Fixation Clamp 5.0 MM Pin X9.5MM Rod, Model 1151-100, External Fixaton Clamp, 9.5MM Rod, Advanced Orthopaedic Solutions, Inc. (2008) Summary page 4.
- K971755: Hoffmann II Compact External Fixation System, Howmedica Corp. (1997) Summary page 4.
- K861766: Howmedica Hoffmann Fixation Pin System, Howmedica Corp. (1986) Summary page 4.
- K042019: Hoffmann II Micro External Fixation System, Howmedica Osteonics Corp. (2004) Summary page 4.
- K122455: Synthes Small External Fixation System, Synthes Large External Fixation System, Synthes (2013) Summary page 4.

## Most influential descendants
- K232897: Arthrex Small External Fixation System (2023), 0 descendants of its own

## Indications for use
The AOS Small External Fixation System is intended to be used with the AOS External Fixation System. It is intended to be used in the stabilization of open and/or unstable fractures in anatomies such as the hand, wrist, forearm, foot, and ankle where soft tissue injury may preclude the use of other fracture treatments. The AOS Small External Fixation System is intended to be non-weight bearing.

Source page: https://510kreport.com/device/K141912
Methodology: https://510kreport.com/methodology