# K203779: Symmetric Total Knee System

- Pathway: 510(k) (Traditional)
- Applicant: Signal Medical Corporation
- Decided: Jun 10, 2021 after 164 days
- Product code: MBH (Prosthesis, Knee, Patello/Femorotibial, Semi-Constrained, Uncemented, Porous, Coated, Polymer/Metal/Polymer)
- Device class: 2
- Regulation: 21 CFR 888.3565
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K933958 (1995). 3 ancestors in all.
No later device cites it as a predicate yet.
0 of 4 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K080199: Symmetric Total Knee System, Signal Medical Corporation (2008) Summary page 4.

## Indications for use
The Symmetric(TM) Total Knee System consists of single use components intended for total knee arthroplasty with the following indications: 1. Rheumatoid arthritis, 2. Post-traumatic arthritis, 3. Osteoarthritis, 4. Degenerative arthritis in older patients whose age, weight, and activity level are compatible with an adequate long-term result, 5. Failed osteotomies, unicompartmental replacement, or total knee replacement. All components are for cemented use only.

Source page: https://510kreport.com/device/K203779
Methodology: https://510kreport.com/methodology