The ultrasound system developer, backed by investors including GE, has now raised more than $122m, after securing $50m in its latest round.

Israel-based InSightec, a GE Healthcare-backed developer of ultrasound devices for use in surgery, has secured $50m in series D funding from investment firm York Capital Management.

The round is still open to other investors, which have the option to either take a share of the $50m or to expand the round to $62.5m.

GE Healthcare, a subsidiary of conglomerate General Electric, invested $27.6m in InSightec’s $30.9m series C round in December 2012. The company raised $30m in series A funding…