# K000558: Synthes (Usa) Wrist Fusion Plates (WFP)

- Pathway: 510(k) (Traditional)
- Applicant: Synthes (Usa)
- Decided: Apr 14, 2000 after 56 days
- Product code: LXT (Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component, Metal Composite)
- Device class: 2
- Regulation: 21 CFR 888.3030
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
27 later devices descend from it; 8 cite it directly.
0 of 28 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
- K113733: Small and Large Fragments Osteosynthesis System Neofix (2012), 11 descendants of its own
- K142419: Mini and Micro Fragments Reconstruction System-NEOFIX (2014), 8 descendants of its own
- K112169: Aptus Wrist Arthrodesis Plates (2012), 8 descendants of its own
- K192297: APTUS Wrist Arthrodesis Plates (2019), 7 descendants of its own
- K223853: Medartis APTUS® Ulna Plates (2023), 5 descendants of its own

Source page: https://510kreport.com/device/K000558
Methodology: https://510kreport.com/methodology