Patent 7297158 was granted and assigned to Thoratec (company) on November, 2007 by the United States Patent and Trademark Office.
A multilayer composite vascular access graft and a method of constructing such a graft are disclosed. The mcVAG has improved performance characteristics, which include desirable handling characteristics such as ease of suturing, kink resistance and the ability to serve as a cannulation route soon after the implant procedure.