User blog comment:Lia Schiffer/401: Deicide 3/@comment-1774413-20100423090815

He never said the hogyoku has to be implanted within someone for it to be active. he said it has to be in the vicinity of someone, and at this point it was in Karakura Town, where Rukia,Ichigo, Orihime and Chad all were. not such a far stretch.