11 year old son hit by suv

My son was struck by an suv and is in critical condition. Lacerated liver, cracked skull, tib-fib brake, fractured ribs, partially collapsed lung.  Is on resperator, tube in chest and a lot of machines. Already had 1 surgery to repair ankle and carotid artery leak, more to followThis will help with traveling expenses and anything he may need special in the upcoming months, could be 6 months or longer, heavily sedated at present