# K933881: Depuy Motech Moss-Miami Spinal System

- Pathway: 510(k) (Traditional)
- Applicant: Depuy, Inc.
- Decided: Jul 12, 1994 after 336 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.
796 later devices descend from it; 15 cite it directly.
1 of 797 devices in its family (counting itself) has 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
- K992168: Moss Miami 6.35MM Polyaxial Screw (1999), 547 descendants of its own
- K090230: Expedium Spine System (2009), 462 descendants of its own
- K982511: Depuy Motech Moss Miami Spinal Systems (1998), 413 descendants of its own
- K030383: Modification to Moss Miami Spinal System Polyaxial Screws (2003), 410 descendants of its own
- K090648: Viper 2 System (2009), 337 descendants of its own

Source page: https://510kreport.com/device/K933881
Methodology: https://510kreport.com/methodology