# Chester Labs, Inc.

- Location (FDA's records): Cincinnati, OH
- FDA decisions: 11 (1985–2004): 11 510(k) clearances
- Product codes: GYB (5), LYY (2), IYO (1), IMI (1), KMJ (1), GEI (1)
- Predicates its devices cite: 0 (0 its own); citations of its devices by later devices: 3 (0 its own)
- Recalls linked to its devices: 1 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms that cite its devices most
- Dynarex Corp.: 2 (https://510kreport.com/company/dynarex)
- Sheffield Industries, Div. of Faria, Ltd.: 1 (https://510kreport.com/company/sheffield-industries-div-of-faria)

## Its most-cited devices
- K041060: E-Z Lubricating Jelly (2004), cited by 2
- K841871: Liqua-Sonic Gel (1985), cited by 1

## Recent decisions
- K041060: E-Z Lubricating Jelly (May 7, 2004)
- K001705: Statsign Electrode Conductivity Gel, Graham-Field Electrode Conductivity Gel, Models 004008, 48-4000 2GF, 48-4000GF (Jun 29, 2000)
- K001593: Modification to Statsign Saline Electrolyte Gel, Graham-Field Saline Electrolyte Gel (Jun 14, 2000)
- K944598: Graham-Field Electrode Conductivity Gel (May 7, 1996)
- K944599: Graham-Field Conductive Ecg Spray (May 7, 1996)
- K944600: Graham-Field Saline Electrolyte Gel (Nov 20, 1995)
- K944597: Graham-Field Ultrasound Scanning Gel (Jun 21, 1995)
- K944596: Graham-Field Ultrasound Lotion (Jun 7, 1995)

Source page: https://510kreport.com/company/chester-labs