Medtronic-backed spine imaging technology developer Ortho Kinematics has raised $18.6m from undisclosed investors.

Healthcare software integrator Redox has added $1m from Intermountain Healthcare to a series B round that has now closed at $10m.

Corporate venturing unit Wanxiang Healthcare Investments has taken part in a series A round for OM1, developer of a value-focused healthcare data analytics platform.

Crunchbase, a VC database spinout of AOL, has added $18m to its coffers in a series B round led by Mayfield as it launches a new premium offering.

Existing investor Boehringer Ingelheim Venture Fund co-led the cell therapy developer's series A round, which also featured MBL Venture Capital.

Darpa is among the investors in Synchron, which is looking to trial minimally-invasive neural interface technology based on research conducted at Melbourne University.

Ankebox, which operates a network of charging points for mobile devices, has collected $14.4m in series A funding from Sunwoda Electronic and IDG Capital.

Viracta Therapeutics will license its lead drug candidate to NantKwest, which is leading a series B round Viracta has said could reach $18.4m.

The Johnson & Johnson-backed portable respirator developer has secured $12.7m according to a regulatory filing, taking its overall funding to $62m.

Fosun has invested $13.3m in Naga Group, the developer of a social trading platform, and will help the company expand into Asia.