# K173752: SI Screw System

- Pathway: 510(k) (Traditional)
- Applicant: Zavation Medical Products, LLC
- Decided: Mar 16, 2018 after 98 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: 7 generations back to K903810 (1990). 12 ancestors in all.
No later device cites it as a predicate yet.
0 of 13 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K121148: Samba Screw, 9MM Dia., 25MM Long, Sambia Screw, 9MM Dia., 30MM Long, Samba Screw 9MM Dia., 35MM Long, Samba Screw, 9MM D, Medical Design, LLC (2012) Summary page 4.

## Indications for use
The SI Screw System is intended for sacroiliac joint fusion for conditions including sacroiliac joint disruptions and degenerative sacroiliitis.

Source page: https://510kreport.com/device/K173752
Methodology: https://510kreport.com/methodology
