# K223429: Contour Knee

- Pathway: 510(k) (Traditional)
- Applicant: Quality Electrodynamics, LLC
- Decided: Jan 13, 2023 after 60 days
- Product code: MOS (Coil, Magnetic Resonance, Specialty)
- Device class: 2
- Regulation: 21 CFR 892.1000
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 6 generations back to K933659 (1993). 6 ancestors in all.
2 later devices descend from it; 2 cite it directly.
0 of 9 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K183111: Contour 24, Quality Electrodynamics, LLC (2018) Summary page 4.

## Most influential descendants
- K233652: Contour Hand/Wrist (Q7000232) (2024), 0 descendants of its own
- K233656: Contour Shoulder (2024), 0 descendants of its own

## Indications for use
The Contour Knee is intended for use with Siemens 0.55T MR systems to produce diagnostic images of knee anatomy that can be interpreted by a trained physician.

Source page: https://510kreport.com/device/K223429
Methodology: https://510kreport.com/methodology