US Patent Issued to The George Washington University on Sept. 15 for "3D printing of biomimetic flexible multilayer blood vessels" (Virginia, District Of Columbia Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,026, issued on Sept. 15, was assigned to The George Washington University (Washington).

"3D printing of biomimetic flexible multilayer blood vessels" was invented by Sung Yun Hann (Arlington, Va.), Haitao Cui (Arlington, Va.) and Lijie Grace Zhang (Washington).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for producing artificial blood vessels. In certain embodiments, the method for producing blood vessels includes printing an elastic outer layer and removing polyvinyl alcohol component from the elastic outer layer. The process then involves forming a first inner layer of smooth muscle cells, wherein the smooth muscle cells are ...