These health technologies are used to detect diseases, monitor therapies, aid handicapped persons, and intervene and treat both acute and chronic ailments. On the global market today, there are an estimated 2 million different types of medical devices, which are classified into over 7000 generic device classes. Other than restoring or preserving health, medical treatment serves various vital tasks. These additional roles are evaluation and certification of health status, prognostication, segregation of the sick to reduce sickness communication, and assistance in coping with illness problems—the caring function.