# Ryazan State Instruments

- Location (FDA's records): Long Beach, NY
- FDA decisions: 1 (2006–2006): 1 510(k) clearance
- Product codes: HKX (1)
- Predicates its devices cite: 2 (0 its own); citations of its devices by later devices: 1 (0 its own)
- Recalls linked to its devices: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms whose devices it cites most
- Golden Vision, Inc.: 1 (https://510kreport.com/company/golden-vision)
- Truevision Instruments: 1 (https://510kreport.com/company/truevision-instruments)

## Firms that cite its devices most
- Company Elamed: 1 (https://510kreport.com/company/company-elamed)

## Its most-cited devices
- K060780: Tonometer Diaton (2006), cited by 1

## Recent decisions
- K060780: Tonometer Diaton (Apr 6, 2006)

Source page: https://510kreport.com/company/ryazan-state-instruments