Drugs - any chemical, biological substance or biotechnology that may be applied to, ingested by, or injected in order to prevent, treat or diagnose a disease or other medical condition.
Device -any physical item, excluding drugs, used in medical care
Medical or surgical procedure -a practice of a health care provider that generally involves a combination of special skills or abilities with drugs or devices or both.
Support system -a system that provides the environment for and otherwise facilitates the provision of health care, but is not the focal technology in a medical regimen, surgical procedure or other form of health care.
Organizational or administrative system - a system used in management and administration to ensure that health care is delivered effectively.