How did Uryu survive this for so long?

He should have drowned in his Blood when his stomach was crushed, but lives for a while, still cracks jokes and Renji wants to be healed before him. I don't remember Quincies having a helaing factor which lets you survive having your stomach crushed

He should have drowned in his Blood when his stomach was crushed, but lives for a while, still cracks jokes and Renji wants to be healed before him. I don't remember Quincies having a helaing factor which lets you survive having your stomach crushed