# K173446: Contour 24

- Pathway: 510(k) (Traditional)
- Applicant: Quality Electrodynamics, LLC
- Decided: Nov 17, 2017 after 11 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: 4 generations back to K933659 (1993). 4 ancestors in all.
6 later devices descend from it; 2 cite it directly.
0 of 11 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K142755: Siemens 3.0 Blanket Array Coil, Resonance Innovations, LLC (2014) Summary page 4.

## Most influential descendants
- K183111: Contour 24 (2018), 3 descendants of its own
- K223429: Contour Knee (2023), 2 descendants of its own
- K193140: Flex Body SPEEDER (2020), 1 descendant of its own
- 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 24 is intended for use with Siemens 3.0T MR systems to produce diagnostic images of general human anatomy that can be interpreted by a trained physician.

Source page: https://510kreport.com/device/K173446
Methodology: https://510kreport.com/methodology