4D Medicine – a UK company whose innovative biomaterial has potential to be used for a wide range of 3D printed implants and surgical devices - has raised £3.4m ($4.4m) in a Series A investment.  The funding round was led by Oshen Holdings and backed by DSW Ventures, SFC Capital, Boundary Capital and private investors including several leading scientists and surgeons. It will enable the company to complete pre-clinical testing of its first product range and seek FDA clearance for entry into the US market.