# Quantified Signal Imaging, Inc.

- Location (FDA's records): Toronto, CA
- FDA decisions: 3 (1986–1991): 3 510(k) clearances
- Product codes: GWF (1), OLT (1), OLU (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 2 (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 that cite its devices most
- Applied Neuroscience, Inc.: 1 (https://510kreport.com/company/applied-neuroscience)
- Nxlink, Ltd.: 1 (https://510kreport.com/company/nxlink)

## Its most-cited devices
- K904294: QSI 9500 (1991), cited by 2

## Recent decisions
- K904294: QSI 9500 (Jul 30, 1991)
- K894560: QSI 9000 (Aug 8, 1990)
- K863650: Quantimap Iii (Sep 26, 1986)

Source page: https://510kreport.com/company/quantified-signal-imaging