The patient's own DNA? Doesn't DNA outside of cells trigger

an immune response? Things that must be considered are

clot formation, bendability, tortuosity, degradability.

Here are some of the latest articles on

artificial blood vessels in general.

https://www.medgadget.com/2015/06/scientists-grow-artificial-vessels-using-collagen-human-muscle-cells.html

https://www.medgadget.com/2015/05/artificial-vessels-designed-to-degrade-replaced-by-natural-vasculature.html

http://www.sciencedirect.com/science/article/pii/S1742706114003869

https://idw-online.de/de/news571348

https://phys.org/news/2017-03-nanoengineers-d-lifelike-functional-blood.html

https://www.engadget.com/2015/12/06/scientists-3d-print-live-blood-vessels/

https://phys.org/news/2015-02-tri-layered-artificial-blood-vessels.html

https://www.medgadget.com/2015/02/three-layered-artificial-vascular-grafts-maintain-strength-promote-cellular-growth.html

http://www.impactlab.net/2017/07/19/3d-printed-blood-vessels-in-teeth-a-viable-alternative-to-root-canal-procedures/

https://phys.org/news/2014-05-scientists-3d-artificial-blood-vessels.html

https://www.eurekalert.org/pub_releases/2015-08/iu-abv080315.php

https://www.medgadget.com/2015/08/new-coating-for-stents-artificial-vascular-grafts-prevents-formation-of-clots.html

https://www.eurekalert.org/pub_releases/2015-04/uoc--abv041715.php

https://www.medgadget.com/2016/02/artificial-vessels-mimic-complexity-of-human-vasculature.html

http://newatlas.com/sugar-vascular-networks/23197/

https://www.nextbigfuture.com/2014/03/3d-printing-of-tissue-with-blood.html

http://journals.plos.org/ploscompbiol/article?id=10.1371%2Fjournal.pcbi.1005635

https://medicalxpress.com/news/2017-08-reveals-stiffer-blood-vessels-heart.html

Regards,

Joachim