The corbin and strauss chronic illness trajectory model an update as the nature of the american health care system chronic illness and nursing change theoretical models used to guide nursing management of chronic conditions must be updated to keep abreast of these changes while still retaining their core concepts. Trajectory model is a nursing model particularly applicable in situations of people with chronical diseases developed by anselm l straus medical sociologist and juliet corbin a nurse theorist this model is also called corbin strauss model and is recognised as a middlerange explanatory nursing theory corbin straus 1991. The chronic illness trajectory framework the corbin and strauss nursing model woog 9780826180001 books amazonca. The trajectory framework developed by strauss and associates provides a conceptual basis for developing a nursing model that gives direction for practice teaching and research in the area of chronic illness this paper presents an overview of the trajectory framework and shows how it can be used to generate such a nursing model