# K150331: 18ch T/R Knee Coil

- Pathway: 510(k) (Traditional)
- Applicant: Quality Electrodynamics, LLC
- Decided: Apr 9, 2015 after 58 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: 5 generations back to K893619 (1989). 16 ancestors in all.
5 later devices descend from it; 3 cite it directly.
0 of 22 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K082636: TXRX 15CH Knee Coil (1.5T and 3T), TXRX CP Extremity Coil 3T, Quality Electrodynamics (2008) Summary page 4.

## Most influential descendants
- K162623: 16ch T/R Hand Wrist Coil (2016), 1 descendant of its own
- K151753: 16 ch Tx/Rx Knee SPEEDER (2015), 1 descendant of its own
- K173469: 16ch T/R Hand Wrist Coil (2018), 0 descendants of its own
- K162029: 16ch T/R Knee Coil (2016), 0 descendants of its own
- K161193: 16ch Tx/Rx Knee SPEEDER (2016), 0 descendants of its own

## Indications for use
The 18ch T/R Knee Coil is intended for use with GE 3.0T MR systems to produce diagnostic images of the knee that can be interpreted by a trained physician.

Source page: https://510kreport.com/device/K150331
Methodology: https://510kreport.com/methodology