Figure 5: Explanted scaffolds after 3 weeks in vivo in rat groin model were transferred as composite tissue-polymer-free flaps to the neck. (a) End-to-side anastomosis of inferior epigastric artery to the common carotid artery (white marker). Inferior epigastric vein was also anastomosed in end-to-side fashion to the internal jugular vein. (b) After surgery with flap inset.