building site accident

MY SON WORKS  DEMOLISHED  AND BUILD  PORCHES. NOVEMBER  2007 HE HAS ACCIDENT . WITH TWO MORE WORKERS THEY DEMOLISHE PORCH AND HE STEP ON 3 RUSSTY NAIL  LONG 2-3' INCHES.HE WENT TO DOCTOR TOOK SHOT AND ANTIBIOTICS  AND AFRATE OF LOSTING  A  JOB , MAKE NO CLAIM, NO HEALTH INS. THE DOCTOR SAY EVERYTHING WILL BE OK , BUT WAS NOT , NO OPEN  WOUNDS BUT SWELL LEG  TO THE NEE. COOK COUNTY HOSPITAL LOOK  XR AND SAY SURGERY NOW /YOU HAVE PIECE OF NAIL IN A BONE, OR YOU WILL LOSS THE LEG HE STAY 20 DAYS  IN HOSPITAL ON  IV SYSTEM .HE HIRE LAWER FROM GW...  START WITH ONE ,SECOND ,AND THIRD LAWER FINISH THE CASE ,  LEFT MY SON WITH HOSPITAL BILL $32000  TO PAY ,WORK COM. PAY LOSS OF INCOME $ 8000+  FROM WICH  HE COLECT ONLY $4000 .TODAY I  TALK TO  LAWER  SECRETARY SHE TOLD ME, EMPLOYER  SAY IS NOT JOB RELAITED ACCIDENT.PLEASE ADVICE.IS ANYTHING  WE CAN DO,??