A chair includes a backrest which is provided with a cushion. An infrared imager system includes a number of lenses, a beam splitter, an imager array, and a thermo-optical array, wherein the beam splitter directs light to the imaging array and to the thermo-optical array. The platform support is attached to a base. Fragment or product ions are then re-trapped in the collision cell ion trap before being released therefrom in packets.