The author studies the hospital infections evolution in Brasil and the demands for its control until its establishment by governmental actions. For a better understanding and analysis of the social actors' dispute process, their needs and interests and the relation with the governmental sector to the establishment of a certain state politics, a theoretical reference that enabled to elaborate the whole of social structure elements was searched. This theoretical reference should also take the filled of the relation between Society. State. Actors and Social Politics as its main question. In order to allude to these specific actions and its intervention range, it was necessary to make a distinction between the state politics modalities and the implementation responsabilities. Based on empirical material, it was possible to trace these demands, conforming on technological-assistencial models through the working process indicators. Other empirical categories levels was demanded to approach to the theorietical reference: specific conjectures, welfare medical assistance, the clinical intervention model and the quality movement. All the time, the analysis of the demands and the stablished project aimed the relation between the instruments and their purposes with themselves and with the health sector general politics, showing its implications.