Fig. 1

Preparation of an autologous tissue conduit after the implantation of a Teflon tubing in a minipig at 28 days. A Tailored Teflon tubing with external diameter 3.9 mm, 6.0 cm in length. B A Teflon tubing was implanted into the subcutaneous pocket on abdomen of a minipig through a small incision. C The tubular template covered with a capsule of living tissue was harvested with the minimally invasive techniques. D After trimming excess tissue and removing the Teflon tubing, an autologous connective tissue conduit was prepared