|
1. A three-dimensional bioprinter comprising: a case; a printing chamber provided inside the case and formed to be surrounded by wall surfaces so that an inside of the printing chamber is isolable from an outside thereof and having a chamber door; a multi-syringe printing module including a hollow cylinder portion fixed into an opening of an upper surface of the printing chamber and having an open upper end and an open lower end, a packing plate installed inside the cylinder portion to separate the cylinder portion into an upper zone and a lower zone isolated from each other, a rotary shaft having one end fixed to the packing plate and extending upward, a plurality of syringe holders disposed below the packing plate in a circumferential direction so that syringes are mounted thereon, a syringe holder support portion configured to support the syringe holder below the packing plate, the syringe holder support portion includes: a syringe holder moving shaft having a lower end fixed to the syringe holder and extending upward through the packing plate, the syringe holder moving shaft being height adjustable, and a rotary shaft driving unit configured to rotate the rotary shaft so that the syringe holder selected from the plurality of syringe holders is rotated to an output position; and a lift up/lift down unit having a vertical movement unit disposed outside the printing chamber and connected to the syringe printing module to control lift up/lift down of the syringe printing module.
|
