Home Use Devices: How To Prepare For and Handle Power Outages for Medical Devices that Require Electricity [open pdf - 5MB]
"As a home medical device user, it is important that your device works during a power outage and that you have a plan in place to ensure you know what to do. This completed booklet will help you have an established plan to obtain and organize your medical device information, take necessary actions so that you can continue to use your device, have the necessary supplies for the operation of your device, and know where to go or what to do during a power outage. If you use more than one medical device, you should complete a booklet for each device and ask your healthcare professional to help you. Remember to update this booklet as your treatment, doctors, caregivers, or personal contacts change."
U.S. Food and Drug Administration: http://www.fda.gov/