According to one implementation an assembly is provided that includes a first and second optical fibers and a body that has respective first and second lumens in which at least a portion of the length of the first and second optical fiber reside. The first optical fiber is an end emitting fiber that is configured to end emit bacterial disinfecting light to disinfect at least a first portion of the body, and the second optical fiber is a radial emitting fiber that is configured to radially emit bacterial disinfecting light to disinfect at least a second portion of the body.