# K070131: Radiforce GX220 and GS220 Monochrome LCD Monitors

- Pathway: 510(k) (Special)
- Applicant: Eizo Nanao Corporation
- Decided: Feb 15, 2007 after 30 days
- Product code: LLZ (System, Image Processing, Radiological)
- Device class: 2
- Regulation: 21 CFR 892.2050
- 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 K000293 (2000). 4 ancestors in all.
5 later devices descend from it; 1 cites it directly.
0 of 10 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K041597: Monochrome LCD Monitor, Model Radiforce G22, Eizo Nanao Corporation (2004) Summary page 1.

## Most influential descendants
- K120407: 2MP Monochrome LCD Monitor, Radiforce GX240 (2012), 4 descendants of its own
- K172815: 2MP LCD Monitor (G22S+, G22SP+, C22S+, C22SP+) (2017), 1 descendant of its own
- K253242: LCD Monitor (C1216W, C822W, C821W) (2025), 0 descendants of its own
- K201599: 2MP Color/Monochrome LCD Monitors C22S+, C22SP+/G22S+, G22SP+, G23S+, G23SP+ (2020), 0 descendants of its own
- K151238: JUSHA-M23C LCD Monitor (2015), 0 descendants of its own

## Indications for use
RadiForce GX220 and RadiForce GS220 are intended to be used in displaying for diagnosis in CT, DSA or MRI etc., except for a digital mammography system.

Source page: https://510kreport.com/device/K070131
Methodology: https://510kreport.com/methodology