ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,185, issued on Dec. 16.
"Flow graft" was invented by Seshadri Raju (Jackson, Miss.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention includes an improved flow graft. The graft has a portion where the radius r expands with length L over the portion, so that rn/L is a constant in that portion, where nless than=4.0, or 1greater thanngreater than4. the graft may have a beginning section that has constant diameter. The invention also includes a method of designing such an expanding graft to suit the application, such as in the venous system, the arterial system, or for dialysis. The invention also includes near constant conductance stents stac...