Varian Medical Systems and Johnson & Johnson Innovation – JJDC have returned for the series C-1 round having backed the U-M spinout's series C last year.

HistoSonics, a US-based medical device developer spun out of University of Michigan (U-M), completed a $40m series C-1 round yesterday featuring medical equipment producer Varian Medical Systems and medical products group Johnson & Johnson.
The round was led by Yonjin Venture, a subsidiary of financial holding group Yongjin Group, and included Venture Investors, Lumira Ventures and State of Wisconsin Investment Board, while Johnson & Johnson took part through Johnson & Johnson Innovation – JJDC.
Founded in 2009, HistoSonics…