# K203373: Advanced Research Medical Trident SI Screw System

- Pathway: 510(k) (Traditional)
- Applicant: Advanced Research Medical, LLC
- Decided: Jan 22, 2021 after 67 days
- Product code: OUR (Sacroiliac Joint Fixation)
- 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: 8 generations back to K903810 (1990). 19 ancestors in all.
No later device cites it as a predicate yet.
0 of 20 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K153656: PathLoc-SI Joint Fusion System, L&K BIOMED Co., Ltd. (2016) Summary page 4.

## Indications for use
The Advanced Research Medical Trident SI Screw System is intended for fusion of the sacroiliac joint for conditions including sacroiliac joint disruptions and degenerative sacroiliitis.

Source page: https://510kreport.com/device/K203373
Methodology: https://510kreport.com/methodology