• Decrease font size
  • Return font size to normal
  • Increase font size
U.S. Department of Health and Human Services

Medical Devices

  • Print
  • Share
  • E-mail

MRL/Welch Allyn AED 20™ Automatic External Defibrillators

Class 1 Recall
Date Recall
August 24, 2007

MRL/Welch Allyn AED 20™ Automatic External Defibrillators manufactured between October 2003 and January 2005, serial numbers 205787 through 207509.



These devices are intended for use by emergency or medical personnel to treat adult and pediatric patients in cardiopulmonary arrest (heart attack). The devices analyze an unconscious patient’s heart rhythm and automatically deliver an electrical shock to the heart if needed to restore normal heart rhythm.


Recalling Firm:

Welch Allyn Protocol, Inc.
8500 Sw Creekside Pl
Beaverton, OR 97008


Reason for Recall:

These recalled devices may display a “Defib Comm” error message on the device display during use which may result in a terminal failure of the device to analyze the patient’s ECG and deliver the appropriate therapy.


Public Contact:
Customers may call the company at 1-800-462-0777.
FDA District:



FDA Comments:
  • Welch Allyn sent recall letters on August 29, 2007 to its customers who purchased these devices.
  • Owners of this defibrillator should contact their local Welch Allyn representative to obtain a loaner AED 20™ at no cost while their unit is being serviced.
  • Welch Allyn will pay all costs associated with the upgrade required to correct the issue as well as shipping and handling of the devices.

For more information about this recall, please see the company’s press release.

Class 1 recalls are the most serious type of recall and involve
situations in which there is a reasonable probability that use of
the product will cause serious injury or death.

Health care professionals and consumers may report adverse
reactions or quality problems experienced with the use of this
product to the FDA's MedWatch Adverse Event Reporting
program.  See the nearby link to Medwatch.