# K890197: Omnifit Constrained Acetabular Bearing Insert

- Pathway: 510(k) (Traditional)
- Applicant: Osteonics Corp.
- Decided: Apr 7, 1989 after 80 days
- Product code: KWZ (Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3310
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 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
- K261624: Omnifit® 20° Series I Insert;Omnifit® Crossfire® 10° Series II Insert; Constrained Acetabular Insert; Trident® Crossfire® 0° Polyethylene Insert; Trident ® Crossfire ® 10° Polyethylene Insert;System 12 Crossfire® 10° Insert; Trident® 0° Constrained Acetabular Insert; Trident® Constrained Acetabular Liner;Trident® All Poly Constrained Acetabular Insert; Crossfire® Eccentric Insert 10°; Artisan® Bone Plug;UHR® Universal Head Bipolar Component (2026), 0 descendants of its own

Source page: https://510kreport.com/device/K890197
Methodology: https://510kreport.com/methodology