MedlinePlus Health Topics
disease topic
Patient-friendly
Medical Device Safety
Source: MedlinePlus Health Topics, U.S. National Library of Medicine
Last synced 8/15/2026Status: primary verified
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
Educational only
This information is for general education and is not medical advice. Always talk to a licensed U.S. clinician about your situation, medications, or treatment decisions.