# LYH: Arthrometer

- Device class: 1; regulation: 21 CFR 890.1615; FDA's rule: 510(k) exempt
- FDA decisions: 5
- Recalls: 0 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026; MAUDE to Sep 30, 2026

## Decisions per year (last 10)
- 1981: 1
- 1984: 1
- 1988: 1
- 1994: 1
- 1995: 1

## Most-cited predicates

Source page: https://510kreport.com/product-code/LYH
Data by year (CSV): https://510kreport.com/product-code/LYH.csv