# K110512: Simmetry Sacroiliac Joint Fusion System

- Pathway: 510(k) (Special)
- Applicant: Zyga Technology, Inc.
- Decided: Mar 23, 2011 after 28 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: 3 generations back to K903810 (1990). 7 ancestors in all.
241 later devices descend from it; 2 cite it directly.
1 of 249 devices in its family (counting itself) has a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K102907: Simmetry Sacroiliac Joint Fusion System, Zyga Technology, Inc. (2010) Summary page 1.

## Most influential descendants
- K111801: Simmetry (TM) Sacroiliac Joint Fusion System (2011), 240 descendants of its own
- K112028: SI-Lok Sacroiliac Joint Fixation System (2011), 238 descendants of its own
- K110472: SI-Fix Sacroiliac Joint Fusion System (2012), 92 descendants of its own
- K130092: Simmetry Sacroiliac Joint Fusion System (2013), 85 descendants of its own
- K152681: iFuse Implant System (R) (2016), 84 descendants of its own

## Indications for use
The SlmmetryTM Sacroiliac Joint Fusion System is intended for fixation of large bones, including bones of the pelvis, for conditions including degenerative sacroiliitis and sacroiliac joint disruptions.

Source page: https://510kreport.com/device/K110512
Methodology: https://510kreport.com/methodology