US Patent Issued to LIFETECH SCIENTIFIC (SHENZHEN) on June 10 for "Stent graft with variable coverage of wavy rings" (Chinese Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,735, issued on June 10, was assigned to LIFETECH SCIENTIFIC (SHENZHEN) Co. LTD (Shenzhen, China).

"Stent graft with variable coverage of wavy rings" was invented by Benhao Xiao (Shenzhen, China) and Caiping Liu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stent graft; the stent graft is provided in the axial direction thereof with at least one Region T, and the Region T includes a plurality of wavy rings; in the circumferential direction, the Region T includes a region A and a Region B that is connected to the region A, the ratio of the area of the region A to the area of the Region T being 1/4-2/3, the ratio of the coverage rat...