User blog comment:Gon10/Kuchiki Byakuya´s Bankai/@comment-3465448-20130621092804/@comment-11051098-20130623125136

If you look at the page where the 3 Stern Ritters attack Yamamoto, Äs and NaNaNa Najakoop appears to be right behind Yamamoto. Buzzbee is further away. Maybe that's how he was able to survive, while Äs and NaNaNa apparently got killed.