# K103533: ES Trochanteric Nail, Left and Right, 10MM

- Pathway: 510(k) (Special)
- Applicant: Advanced Orthopaedic Solutions, Inc.
- Decided: Jan 19, 2011 after 49 days
- Product code: HSB (Rod, Fixation, Intramedullary And Accessories)
- Device class: 2
- Regulation: 21 CFR 888.3020
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 4 generations back to K970097 (1997). 13 ancestors in all.
11 later devices descend from it; 6 cite it directly.
0 of 25 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K021008: Advanced Orthopaedic Solutions Trochanteric Nail, Advanced Orthopaedic Solutions, Inc. (2002) Summary page 1.

## Most influential descendants
- K120148: Aos Solid Locking Lag Screw, Aos Telescoping Lag Screw (2012), 6 descendants of its own
- K202099: AOS Galileo™ Trochanteric Nail System (2020), 4 descendants of its own
- K140601: Flow-Nail (2014), 2 descendants of its own
- K133081: Trochanteric Nails and ES Trochanteric Nails, Humeral Naisl, Tibial Nails, Antegrade Femoral Nails, Retrograde Femoral N (2013), 2 descendants of its own
- K230257: Arthrex Intramedullary Nails (2023), 1 descendant of its own

## Indications for use
The AOS ESTm Trochanteric Nail is intended to treat stable and unstable proximal fractures of the femur including pertrochanteric, intertrochanteric and high subtrochanteric, fractures and combinations of these fractures.

Source page: https://510kreport.com/device/K103533
Methodology: https://510kreport.com/methodology