This paper focuses on Theoretical Framework. Choose a Nursing Theory to support: Evaluation of Care Protocols to prevent catheter associated urinary tract infection’s (Cati’s). Secondary Theory outside Nursing discipline may be used.This paper will include description of the theory and its major components, concepts, definitions, assumptions and propositions Include the four meta paradigm concepts (Must utilize the most current primary theory source)Include the health, person, and environment as they are defined by the theorist and operationally defined by writer.Theoretical definitions should be cited in SPA.Resources cited in SPA, Nursing journals within last 5 years