# DRQ: Amplifier And Signal Conditioner, Transducer Signal

- Device class: 2; regulation: 21 CFR 870.2060; FDA's rule: 510(k) required
- FDA decisions: 27
- 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)
- 1987: 3
- 1989: 1
- 1990: 2
- 1991: 4
- 2001: 1
- 2002: 2
- 2004: 1
- 2005: 2
- 2015: 2
- 2017: 1

## Most-cited predicates
- K010640: Siemens Medical Information Bus (Mib II) Protocol Converter (2001), cited by 5
- K020277: Siemens Medical Infromation Bus (Mib II) Protocol Converter (2002), cited by 2
- K033807: Infinityedical Information Bus (Mib/Mib II and Mib Duo) Protocol Converter (2004), cited by 1
- K150235: CLEARSIGN II Amplifier, 40 channels, CLEARSIGN II Amplifier, 80 channels, CLEARSIGN II Amplifier, 120 channels, CLEARSIGN II Amplifer, 160 channels (2015), cited by 1
- K901358: Bard Biopotential Amplifier II (1990), cited by 1
- K913875: Bard (R) Biopotential Amplifier II (1991), cited by 1
- K050974: Draeger Medical Information Bus (Mib, Mib II, Mib Duo) Protocol Converters (2005), cited by 1
- K050006: Borealis Amplifier (Clearsign), Model 2001232 160 Channel Version, 2001267 80 Channel Version, 2001268 40 Channel Versio (2005), cited by 1

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