# Farrall Instruments, Inc.

- Location (FDA's records): Mchenry, IL
- FDA decisions: 7 (1976–1995): 7 510(k) clearances
- Product codes: LIL (2), HCB (1), HIR (1), LEL (1), HCC (1)
- Predicates its devices cite: 0 (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 that cite its devices most
- Behavioral Technology, Inc.: 1 (https://510kreport.com/company/behavioral-technology)

## Its most-cited devices
- K936115: Cat-600 Penile Plethysmograph (1995), cited by 1

## Recent decisions
- K940128: Cat-400UL Penile Plethysmograph (Jan 10, 1995)
- K936115: Cat-600 Penile Plethysmograph (Jan 10, 1995)
- K821723: BI-4520 Dual Impedometer (Sep 15, 1982)
- K821664: PP-100, Personal Perineometer (Jul 13, 1982)
- K792305: A Sleep Assessment Device (Dec 20, 1979)
- K781634: Visualax (Oct 3, 1978)
- K760166: Stimulator, Sonic Control (as-1) (Jul 20, 1976)

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