WHILE ATTEMPTING TO LIFT SURGE BIN DOOR FOR REPAIRS, 2ND HINGE BROKE, CAUSING DOOR TO FALL. IN EE'S ATTEMPT TO CATCH DOOR (TO PREVENT IT FROM STRIKING ANOTHER EE) HIS RIGHT HAND-RINGER FINGER WAS SMASHED. FINGER WAS FRACTURE & EE RETURNED TO WORK W/RESTRICTED DUTY LIMITATIONS, THE NEXT WORK DAY.