ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,697, issued on Jan. 27, was assigned to NANJING DRUM TOWER HOSPITAL (Nanjing, China).

"Acoustic fluid-mediated bottom-up bioprinting device for functional organs with ultrahigh cell density and printing method therefor" was invented by Yuanjin Zhao (Nanjing, China) and Zhuhao Wu (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic fluid-mediated bottom-up bioprinting device for functional organs with an ultrahigh cell density and a printing method are provided, the acoustic fluid-mediated bottom-up bioprinting device includes an array SAW chip, a printing container, a printing platform and a curing light source; the printing co...