FDA Medical Device Recalls (openFDA)
WELCH ALLYN, INC/MORTARA: S4 and patient cable for the S4 Wireless Telemeter with the following device names: CABLE 10 WIRE LF ECG SNAP ENDS AHA GRAY, CABLE 10 WIRE LF ECG SNAP ENDS IEC GRAY, CBL 10WIRE LF LRG ECG SNAP ENDS AHA GRAY, CBL 10WIRE LF LRG ECG SNAP ENDS IEC GRAY. The S4 mobile monitor provides a means to acquire and transmit simultaneous ECG and SpO2 data to a Surveyor Central Station monitoring system while allowing the patient to be ambulatory within the range of the WiFi network.
- Recall number
- Z-1815-2020
- Recalling firm
- WELCH ALLYN, INC/MORTARA
- Product
- S4 and patient cable for the S4 Wireless Telemeter with the following device names: CABLE 10 WIRE LF ECG SNAP ENDS AHA GRAY, CABLE 10 WIRE LF ECG SNAP ENDS IEC GRAY, CBL 10WIRE LF LRG ECG SNAP ENDS AHA GRAY, CBL 10WIRE LF LRG ECG SNAP ENDS IEC GRAY. The S4 mobile monitor provides a means to acquire and transmit simultaneous ECG and SpO2 data to a Surveyor Central Station monitoring system while allowing the patient to be ambulatory within the range of the WiFi network.
- Status
- Terminated
- Initiated
- 2020-03-18
- Posted
- 2020-04-29
- Terminated
- 2026-02-09
- Reason
- Impacted Welch Allyn products may not meet the Defibrillation Withstand requirements of EN/IEC 60601-2-25 Medical Electrical Equipment.
- Root cause
- Device Design
- Action
- Welch Allyn notified customers on 2/19/2020 via "Voluntary Medical Device Correction Welch Allyn Patient Cables or Lead Sets". The recall letter identified the affected product and stated the reason for the recall. The firm also requested the distributors to immediately notify accounts if the product was further distributed.
- Quantity
- 78,521 units total
- Distribution
- US nationwide distribution in the states of AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, ON, OR, PA, PR, RI, SC, SD, TN,UT, VA, VT, WA, WI, WV and WY.
- Lot, serial or model codes
- Model Numbers: S4-Q-ASX-XXX, S4-Q-AXX-XXX, S4-P-A, 9293-061-50, 9293-061-51, 9293-061-52, 9293-061-53.
- 510(k) numbers
- ["K160685"]
- PMA numbers
- not on file
- Product code
- DPS
- Firm FEI
- 2183461
- Firm city
- Milwaukee
- Firm state
- WI
- Firm country
- not on file
Where this comes from
- Register
- FDA Medical Device Recalls (openFDA)
- Publisher
- U.S. Food and Drug Administration (openFDA)
- File
- device-recall-0001-of-0001.json.zip
- sha256
- b87518bfe2e8
- Size
- 288210821 bytes
- Published
- 2026-09-28
- Read
- 2026-09-29T08:25:23.626Z
- Source file
- Source file retained · verify
- Refresh due
- 2026-10-06
Unless otherwise noted, the content, data, documentation, code, and related materials on openFDA is public domain and made available with a Creative Commons CC0 1.0 Universal dedication.
Cite as
FDA Medical Device Recalls (openFDA) (U.S. Food and Drug Administration (openFDA)), device-recall-0001-of-0001.json.zip, sha256 b87518bfe2e8, published 2026-09-28