# K223225: 8ch T/R Knee Coil

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen RF Tech Co., Ltd.
- Decided: Feb 14, 2023 after 119 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: 1 generation back to K032633 (2003). 1 ancestor in all.
1 later device descends from it; 1 cites it directly.
0 of 3 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K032633: HRK-63-8 Knee Array Coil, Mri Devices Corp. (2003) Summary page 4.

## Most influential descendants
- K231085: 1.5T HD T/R Knee Array (10-F34127) (2023), 0 descendants of its own

## Indications for use
The 8ch T/R Knee Coil manufactured by Shenzhen RF Tech Co.,Ltd is transmit/receive coil and is designed for use as general purpose coil. The 8ch T/R Knee Coil is designed to be use with GE 1.5T MRI systems to produce diagnostic images of the knee, palm, sole, ankle, elbow, wrist that can be interpreted by a trained physician.

Source page: https://510kreport.com/device/K223225
Methodology: https://510kreport.com/methodology