Medical record-keeping app creator Drchrono has now secured approximately $6.8m, as cloud computing company Box joins its investors.

Drchrono, a US-based medical record-keeping app for iPad and iPhone, has raised $2.7m in convertible debt funding from investors including US-based secure cloud content management company Box.

The funding represents Box’s first corporate venturing investment, but fits with the company’s cloud computing and data-sharing ethos. Box was joined in the round by investors including Runa Capital, Maxfield Capital, FundersClub, Bruno Bowden and Silicon Valley Bank.

Drchrono, which allows patients and doctors to share medical data with each other, had raised…