Ultramax™ gel impregnated vascular grafts are the future of aldehyde free, true zero porosity knitted velour grafts. Atrium carefully engineered Ultramax to be the most blood tight, easy to handle coated PET graft available. True zero porosity vascular grafts simplify surgery and help minimize time spent in the O.R. by reducing operative time and blood loss. With Ultramax’s patented coating process you help minimize the risk of weeping immediately following implantation. Only Ultramax products offer all of the benefits of a traditional knitted double velour construction with a more biological friendly state-of-the-art impregnation process. Better outcomes are made possible with next generation coating technology.