# K930963: SL-Plus & SLR-Plus Stems W/Biolox Ceramic Heads

- Pathway: 510(k) (Traditional)
- Applicant: Encore Orthopedics, Inc.
- Decided: Jan 7, 1994 after 317 days
- Product code: LZO (Prosthesis, Hip, Semi-Constrained, Metal/Ceramic/Polymer, Cemented Or Non-Porous, Uncemented)
- Device class: 2
- Regulation: 21 CFR 888.3353
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
286 later devices descend from it; 3 cite it directly.
0 of 287 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
- K962101: Zweymueller SL Femoral Hip Stem (1996), 283 descendants of its own
- K030373: Alloclassic Zweymueller SL/SLL Femoral Stem (2003), 278 descendants of its own
- K042344: Excia Total Hip System (2005), 198 descendants of its own
- K060918: Excia Total Hip System 12/14 Trunnion with Ceramic Head (2006), 90 descendants of its own
- K060437: Excia Total Hip System with U-Cap (2006), 90 descendants of its own

Source page: https://510kreport.com/device/K930963
Methodology: https://510kreport.com/methodology