# K921622: Alphatec Compression Hip Screw System

- Pathway: 510(k) (Traditional)
- Applicant: Alphatec Mfg., Inc.
- Decided: Jul 2, 1992 after 87 days
- Product code: HRS (Plate, Fixation, Bone)
- 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.
66 later devices descend from it; 5 cite it directly.
0 of 67 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known.

## Most influential descendants
- K960533: K3 Bone Screw System (1996), 61 descendants of its own
- K960537: K2 Bone Screw System (1996), 41 descendants of its own
- K120493: Mini Cannulated Headed and Headless Screw Set (2012), 39 descendants of its own
- K123890: Acumed Cannulated Screw System (2013), 36 descendants of its own
- K190586: Monster® Screw System (2019), 21 descendants of its own

Source page: https://510kreport.com/device/K921622
Methodology: https://510kreport.com/methodology