(HealthDay News) — A medical device is used to diagnose, cure or treat a condition, or to prevent disease.

The U.S. Food and Drug Administration says a medical device can range in size from a hand-held glucometer to a large breathing ventilator.

Here’s the FDA’s advice for safe use of a medical device:

• Understand how your device works, and keep instructions accessible.
• Understand and properly respond to device alarms.
• Keep a back-up plan and supplies in the event of an emergency.
• Keep emergency numbers available and updated.
• Educate your family and caregivers about your device.
• Have your doctor and health-care team review your condition and recommend any equipment changes.
• Report serious malfunctions to the device maker and to the FDA.

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