US Patent Issued to Cedars-Sinai Medical Center on May 20 for "Compact mechanical syringe extruder for 3D bioprinting of cell laden gels" (California Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,196, issued on May 20, was assigned to Cedars-Sinai Medical Center (Los Angeles).

"Compact mechanical syringe extruder for 3D bioprinting of cell laden gels" was invented by Andrew R. Gross (Los Angeles) and Dhruv Sareen (Porter Ranch, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Bioprinting is the layer-by-layer construction of synthetic tissues or scaffolds. Described herein is a motorized extruder which can precisely extrude and retract extrudate such as bioinks in a compact and rapidly-loadable form-factor. This includes a compact bioprinter using a stepper motor coupled with a threaded shaft to directly move the plunger of an extruder....