The surgical imaging technology developer closed a $9m round today that was co-led by HTC, the producer of a virtual reality headset compatible with the technology.

The mobile engagement platform developer has now raised $13.5m in the past two years, and will use the cash to beef up its sales and marketing.

The mental health treatment recommendation provider secured the money in a round backed by Providence Health & Services and strategic partner Castlight Health.

The mobile game developer has received $20m from Google, Nintendo and The Pokemon Company, with another $10m of milestone-based capital potentially to come.

GlaxoSmithKline took part in the round and secured a board seat at the startup, which is developing treatments for hearing disorders.

The Digital Garage-backed online marketplace, which connects homeowners with contractors, has raised $10.6m in new funding.

The Samsung and Bertelsmann-backed virtual reality technology developer is working on a platform that will allow anyone to create their own digital worlds.

Harvard life sciences spinout Ultivue secures $5.15m in series A backed by Arch Venture Partners.