University of California

Michal Adamkievicz

Boris Rubinsky

Ze'Ev Shaked

Systems, apparatus and methods for producing objects with cryogenic 3D printing with controllable micro and macrostructure with potential applications in tissue engineering, drug delivery, and the food industry. The technology can produce complex structures with controlled morphology when the printed 3D object is immersed in a liquid coolant, whose upper surface is maintained at the same level as the highest deposited layer of the object. This ensures that the computer-controlled process of freezing is controlled precisely and already printed frozen layers remain at a constant temperature. The technology controls the temperature, flow rate and volume of the printed fluid emitted by the dispenser that has X-Y positional translation and conditions at the interface between the dispenser and coolant surface. The technology can also control the temperature of the pool of liquid coolant and the vertical position of the printing surface and pool of coolant liquid.

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Lomianki, Poland

Michal Adamkievicz