# K951846: Mirage Spinal System for Severe Spondylolisthesis

- Pathway: 510(k) (Traditional)
- Applicant: Alphatec Mfg., Inc.
- Decided: Feb 14, 1996 after 300 days
- Product code: KWP (Appliance, Fixation, Spinal Interlaminal)
- Device class: 2
- Regulation: 21 CFR 888.3050
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
255 later devices descend from it; 6 cite it directly.
0 of 256 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA has not posted a summary or statement for it, so its predicates are not known.

## Most influential descendants
- K982914: Aesculap Spine System Evolution: Additional Components (1998), 251 descendants of its own
- K980484: Aesculap Spine System Evolution (1998), 251 descendants of its own
- K990118: Isobar Spinal System (1999), 250 descendants of its own
- K061162: Bar Pedicle Screw Spinal Fixation System, Model 2020 (2006), 131 descendants of its own
- K092624: Firebird Spinal Fixation System (2009), 130 descendants of its own

Source page: https://510kreport.com/device/K951846
Methodology: https://510kreport.com/methodology