Medical processing instruments, namely, instruments and illumination devices for the production of blood components and biological preparations and the inactivation of pathogens, cells and nucleic acids in such blood components and biological preparations, and parts and fittings for the aforesaid; blood processing apparatus, namely, blood processing devices; medical devices for use in the inactivation of pathogens, cells and nucleic acids, and parts and fittings for the aforesaid; ultraviolet illumination devices for use in the inactivation of pathogens, cells and nucleic acids, and parts and fittings for the aforesaid; Medical processing kits consisting primarily of medical tubing, containers, bags, and removal devices for the production of blood components, namely, for the production of platelets, plasma and red blood cells, and the inactivation of pathogens, cells and nucleic acids in such blood components, and parts and fittings for the aforesaid; medical processing apparatus for use in the treatment, pathogen inactivation, storage or reconstitution of blood and blood components