Midmark Ritter 75E Evolution Power Exam Table RefurbishedFeatures The Midmark 75 Evolution power procedure chair table is an excellent choice for multiple types of procedures. This power chair comes with a footswitch for operating movements, accessory side rail, paper holder, and articulating headrest. The Midmark Ritter 75E comes with a pull out drain pan at the end of the seat section and pull out heel stirrups. The foot leg rest section of the 75 Evolution is lockable in 4 proctology chair positions.