Harvesting, ex vivo culturing, implantation, and after implantation steps of the Biopump in patients. (A) The harvesting step. (B) The Biopump ex vivo at the transduction step. (C). Implantation of the Biopump. (D) Implantation area 1 week after implantation. (E) Implantation area 4 weeks after implantation. (F) Implantation area 18 weeks after implantation.