Racionalidade e incorpora？？o de tecnologia em saúde: a experiência de um hospital de alta complexidade em S. Paulo

the arcticle analyses the evolution of the decision model used at a large hospital institution in sao paulo aiming to demonstrate the need for developing a information network which subsides the process. issues regarding the market of costumers of its services, the epidemiologic characteristics of the population, the indications of thechnology use by the medical staff as well as the internal absorption capacity of the institution must be considered besides the study of the financial return. it also proposes the settlement of a model to classify the investment applied to medical technology at healthcare organizations that assumes a consideration of factors like safety conditions associated to the technology, its priority and rentability to the hospital.