EE AND A CO-WORKER WERE REPLACING A SECONDARY ROTOR IN A MIXER. EE LOST GRIP ON THE SHAFT WHILE BRINGING IT TO AN UPRIGHT POSITION, ALLOWING THE ROTOR TO FALL. EE PINKIE FINGER ON LEFT HAND WAS CAUGHT BETWEEN THE FLANGE ON THE ROTOR AND ROTOR TOOL ON THE PRIMARY ROTOR. EE RECIEVED AN OPEN FRACTURE AT THE FIRST FINGER JOINT