What Are Medical Devices?

Last updated: 2026-07-25

What are medical devices?

Medical device is any article, instrument, apparatus or machine that is used in the prevention, diagnosis or treatment of illness or disease, or for detecting, measuring, restoring, correcting or modifying the structure or function of the body for some health purpose. Typically, the purpose of a medical device is not achieved by pharmacological, immunological or metabolic means.

A small medical practice typically uses a range of medical devices for patient care, diagnosis, and treatment. Here are some common types:

What are Medical Devices and Equipment?

Medical equipment includes devices that require regular calibration, safety checks, preventive maintenance, repairs, staff training, and proper disposal at end of life. Examples include:

  • Blood pressure cuffs and thermometers
  • Pulse oximeters and temperature monitors
  • Tonometers
  • Laboratory analyzers and supplies
  • Devices for electrotherapy, nebulizers, and more