The Sony-backed surgical robotics developer has raised $87m in total having received series B funding from investors including Nvidia.

US-based robotic surgery technology provider Activ Surgical has secured $45m in a series B round led by investment firm Cota Capital that also featured graphics processing unit producer Nvidia.

BAM Funds, Magnetar Capital, Mint Ventures, Castor Ventures and D. One Vision Management also took part, as did DNS Capital, Tao Capital Partners, LRVHealth, Rising Tide VC, GreatPoint Ventures (GPV) and Artis Ventures.

Activ has developed artificial intelligence-equipped hardware and software intended to facilitate autonomous robotic surgery.

The company’s first product,…