Sorry to hear about your boys finger Trace , i to find myself A & E quite often , last week my 14 yr old decided to scratch his back side after moving a car battery !!!! very big OUCH !!!!!!.
His badly burnt the top of his bum / lower back !! , needless to say he will do it again one day lol.
Also sad news about your Uncle , your really going through the ringer
so sorry