ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,564, issued on Nov. 3, was assigned to Guangzhou Bioseal Biotech Co. Ltd. (Guangzhou Science City, China) and Ethicon Inc. (Raritan, N.J.).

"Combined hemostatic powder and liquid delivery devices for controlling bleeding and sealing tissue at surgical sites" was invented by Shiwei Xie (Guangzhou Science City, China), Jianxin Guo (Somerville, N.J.), Yufu Li (Raritan, N.J.), Xuelin Guo (Piscataway, N.J.) and Samantha Weber (Cincinnati).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combined powder and liquid delivery device includes a housing having a powder chamber and a liquid chamber. The device includes an applicator tip having a powder delivery c...