# K900584: Alta Lag Screw and Compression Screw

- Pathway: 510(k) (Traditional)
- Applicant: Howmedica Corp.
- Decided: Apr 18, 1990 after 70 days
- Product code: KTT (Appliance, Fixation, Nail/Blade/Plate Combination, Multiple Component)
- 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.
6 later devices descend from it; 3 cite it directly.
0 of 7 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
- K984331: Odi Ultimate Compression Hip Screw (1999), 3 descendants of its own
- K033286: Odi Talon Long Proximal Femoral Nail System (2004), 2 descendants of its own
- K111352: Talon Distalfix Proximal Femoral Nail (2011), 1 descendant of its own
- K223933: Exactech Equinoxe PHx Fracture System; Exactech EPIC Screws (2023), 0 descendants of its own
- K971993: Odi Compression Hip Screw System (1997), 0 descendants of its own

Source page: https://510kreport.com/device/K900584
Methodology: https://510kreport.com/methodology