ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,702,759, issued on Aug. 11, was assigned to TIANJIN HUAHONG TECHNOLOGY Co. LTD. (Tianjin, China).
"Disposable injection needle" was invented by Libo Zhang (Tianjin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A disposable injection needle is provided. The disposable injection needle includes a needle holder, a housing, a sleeve, a core, and a spring. A first end of the housing is connected to a second end of the needle holder, a second end of the housing has a housing opening. A first end of the sleeve is located in the housing, a second end of the sleeve has a sleeve opening and protrudes from the housing opening. A first end of the core is di...