A medical device is any product used to diagnose, cure, or treat a condition, or to prevent disease. They range from small and simple, like a blood glucose meter, to large and complicated, like a ventilator. You might use one at home or at work, or you may need one in a hospital.

To use medical devices safely

• Know how your device works. Keep instructions close by
• Understand and properly respond to device alarms
• Have a back-up plan and supplies in the event of an emergency
• Keep emergency numbers available and update them as needed
• Educate your family and caregivers about your device

Food and Drug Administration