# K223239: 8ch Wrist Coil

- Pathway: 510(k) (Traditional)
- Applicant: Shenzhen RF Tech Co., Ltd.
- Decided: Dec 8, 2022 after 49 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 K050622 (2005). 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)
- K050622: HRW-63-8 Wrist Array Coil; HRW-127-8 Wrist Array Coil, Mri Devices Corporation (2005) Summary page 4.

## Most influential descendants
- K252587: HD 8Ch Wrist Array (2026), 0 descendants of its own

## Indications for use
The 8ch Wrist Coil by Shenzhen RF Tech Co.,Ltd is receive-only coil and is designed for use as general purpose coil. The 8ch Wrist Coil is designed to be use with GE 1.5T MRI systems to produce diagnostic images of the wrists and fingers that can be interpreted by a trained physician.

Source page: https://510kreport.com/device/K223239
Methodology: https://510kreport.com/methodology