# Welch Allyn Protocol, Inc.

- Location (FDA's records): Beaverton, OR
- FDA decisions: 7 (2001–2007): 7 510(k) clearances
- Product codes: DRT (2), MWI (2), MSX (1), DQA (1), DSI (1)
- Predicates its devices cite: 22 (4 its own); citations of its devices by later devices: 35 (4 its own)
- Recalls linked to its devices: 5 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Firms whose devices it cites most
- Protocol Systems, Inc.: 10 (https://510kreport.com/company/protocol-systems)
- Nellcor Puritan Bennett, Inc.: 4 (https://510kreport.com/company/nellcor-puritan-bennett)
- Welch Allyn, Inc.: 2 (https://510kreport.com/company/welch-allyn)
- GE Healthcare: 1 (https://510kreport.com/company/ge-healthcare)
- Tycos Instruments, Inc.: 1 (https://510kreport.com/company/tycos-instruments)

## Firms that cite its devices most
- Welch Allyn, Inc.: 5 (https://510kreport.com/company/welch-allyn)
- Datascope Corp.: 3 (https://510kreport.com/company/datascope)
- Mediana Co., Ltd.: 3 (https://510kreport.com/company/mediana)
- Hidalgo Limited: 2 (https://510kreport.com/company/hidalgo)
- Athena Gtx: 2 (https://510kreport.com/company/athena-gtx)
- Sotera Wireless, Inc.: 2 (https://510kreport.com/company/sotera-wireless)
- Kai Sensors, Inc.: 1 (https://510kreport.com/company/kai-sensors)
- Techmedic Development International B.V.: 1 (https://510kreport.com/company/techmedic-development-international)

## Its most-cited devices
- K012451: Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246 (2001), cited by 13
- K031740: VSM - Vital Signs Monitor, Model 53000 Series (2003), cited by 6
- K033378: Vital Signs Monitor, Propaq LT (2004), cited by 6
- K022453: Modification to Acuity Central Monitoring System (2002), cited by 5
- K021681: Micropaq, Models 402, 404 (2002), cited by 3
- K063419: Modification to VSM- Vital Signs Monitor, (VSM 300 ) (2006), cited by 2

## Recent decisions
- K070204: Link to Acuity Clinician Notifier (Mar 23, 2007)
- K063419: Modification to VSM- Vital Signs Monitor, (VSM 300 ) (Dec 4, 2006)
- K033378: Vital Signs Monitor, Propaq LT (Mar 1, 2004)
- K031740: VSM - Vital Signs Monitor, Model 53000 Series (Aug 26, 2003)
- K022453: Modification to Acuity Central Monitoring System (Aug 21, 2002)
- K021681: Micropaq, Models 402, 404 (Jul 23, 2002)
- K012451: Propaq Encore Models 202, 204, 206; Propaq CS Models 242, 244, 246 (Aug 20, 2001)

Source page: https://510kreport.com/company/welch-allyn-protocol