# QSF: Software Option For Anesthesia Gas Machine To Achieve And Maintain Targeted End Tidal Oxygen And Anesthetic Agents

- Device class: 3; regulation: 21 CFR —; FDA's rule: PMA required
- FDA decisions: 1
- Recalls: 1 (1 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026; MAUDE to Sep 30, 2026

## Decisions per year (last 10)
- 2022: 1

## Most-cited predicates

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