Figure 1 A , Intubate cannulations of femoral artery, right
subclavian artery and left common carotid. B , Clamp innominate
artery and left common carotid artery, start autologous bypass. Transect
the branches and suture the proximal sides. C , Anastomose the
branches in turn, remove cannulation of the left common carotid artery
after anastomoses.