One promising technology for creating artificial organs is actually printing them using technology similar for 3D printing. But what materials could be used for the printing process?
('Bio-Inks' for printing human organs)
While bioprinters at other institutions use one arm with multiple heads to print multiple materials one after the other, the UI device with multiple arms can print several materials concurrently. This capability offers a time-saving advantage when attempting to print a human organ because one arm can be used to create blood vessels while the other arm is creating tissue-specific cells in between the blood vessels.
I'm sure we can offer free access to the heartbeasts and liverbeasts and so forth. For a while your colonists will have to come up to the Hospital to get treatment with the ramrobot symbiots, but eventually we can build culture tanks in Gamma and Delta and Eta."
(Read more about Larry Niven's artificially grown organs)