A sanitizing device for sanitizing a chestpiece of a stethoscope connected to at least one earpiece by a tube, the sanitizing device being composed of: a housing composed of two housing halves and a hinge assembly connecting the housing halves together to permit relative pivotal movement between the housing halves between a closed state in which the housing halves enclose a closed space, and an open state and a source of sanitizing radiation disposed to irradiate the closed space. The housing is provided with an opening for receiving the tube the opening is composed of two opening portions each formed in a respective housing half and the hinge assembly is composed of two hinge portions each forming part of a respective housing half, the hinge portions being separable from one another to allow the chestpiece to be placed in the closed space.
