# K920362: 3M Modular Shoulder System

- Pathway: 510(k) (Traditional)
- Applicant: 3M Health Care, Ltd.
- Decided: Jul 22, 1993 after 541 days
- Product code: KWS (Prosthesis, Shoulder, Semi-Constrained, Metal/Polymer Cemented)
- Device class: 2
- Regulation: 21 CFR 888.3660
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
353 later devices descend from it; 2 cite it directly.
1 of 354 devices in its family (counting itself) has 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
- K002683: WMT Ultra-Fit Modular Shoulder System (2000), 288 descendants of its own
- K032679: Aequalis Shoulder Fracture System (2003), 287 descendants of its own
- K043077: Modification to Aequalis Shoulder Fracture System; Aequalis Shoulder System (2004), 258 descendants of its own
- K060209: Aequalis Shoulder Fracture System & Aequalis Shoulder System (2006), 257 descendants of its own
- K982981: New Zimmer Shoulder System (1998), 235 descendants of its own

Source page: https://510kreport.com/device/K920362
Methodology: https://510kreport.com/methodology