DURHAM – Restor3D Inc., formerly Additive Device, a company making printed 3D medical implants, has raised $4,385,000 in equity, according to a U.S. Securities and Exchange filing.

The company raised $385,000 in 2017 and $650,000 in 2018 for a total of $5,420,000. According to the filing, 48 investors contributed to the latest round.

In a September announcement of development and licensing deal with California-based SeaSpine Holdings Company, Ken Gall, restore3d founder and director, said, “Our proprietary three-dimensional structure is the result of years of scientific research and development in 3D metal printing.  Through this collaboration, we will use science and data to deliver implants that are intentionally designed for specific interbody fusion applications.”

Gall is a professor of Mechanical Engineering at Duke University, a department that specializes in developing 3D-printed implants with enhanced anatomical fit and superior integrative properties.

Shaeffer Bannigan, senior director of rpoduct development at SeaSpine said in a statement, “restor3d’s well-researched architecture provides a foundation for novel 3D interbody designs that thoughtfully balance structural integrity with the biological requirements for bony integration and fusion,” said . “This foundation allows us to tune implant properties to optimal performance, merging biomechanical requirements with biologically favorable materials and structures.”