Medical model is the term coined by psychiatrist R. D. Laing in his The Politics of the Family and Other Essays (1971), for the 'set of procedures in which all doctors are trained'. It includes complaint, history, physical examination, ancillary tests if needed, diagnosis, treatment, and prognosis with and without treatment. Medical model is the term coined by psychiatrist R. D. Laing in his The Politics of the Family and Other Essays (1971), for the 'set of procedures in which all doctors are trained'. It includes complaint, history, physical examination, ancillary tests if needed, diagnosis, treatment, and prognosis with and without treatment. The medical model has proven highly successful and even indispensable in many contexts; it is difficult to name a plausible alternative to medical diagnosis and treatment for a depressed skull fracture.