Their condition could be described, generously, as ramshackle — a plastic kiddie car and a battered pair of crutches. “Some children called me ‘Pata Cuta’ — ‘Crooked Leg,’” he said. “How I would like my son to be cared for there!” Yet like many immigrants without legal status, Efraín’s parents were hesitant to approach hospitals. “In my past I always …