What is the best known brand name of the material other than dacron often used to replace the aneurysmal portion of the aorta in OAS?
Open aortic surgery:  In OAS for abdominal aortic aneurysm, the aneurysmal portion of the aorta is replaced with a graft, usually made of dacron or PTFE. Polytetrafluoroethylene:  The best known brand name of PTFE-based formulas is Teflon by Chemours.
i don't know