Epiphyseal-Entry Cannulated Screws for Temporary Guided Growth of the Knees

Purpose: Guided growth is the alteration of normal physeal growth in children and adolescents to produce a desired effect. Guided growth is used to slow the growth of the long limb in cases of leg length discrepancy, or to slow the growth of one side of a physis in angular deformity. Different internal fixation devices have been employed to achieve alteration of growth, including staples, plates, and cannulated screws. Complications with guided growth include device failures, lack of efficacy, and unintended physeal arrest. The purpose of this …