A quarter of the money for NDI Medical's fund came from the Ohio state and the rest from undisclosed investors.

NDI Medical, a US-based medical device incubator set up in 2002, has started an $8m healthcare commercialization fund focused on people’s nerves.

A quarter of the money came from the Ohio state and the rest from undisclosed investors.

Last year, the company sold its first product, a bladder pacing device called MedStim, to medical device maker Medtronic for $42m.

NDI also spun out two more technologies: Checkpoint Surgical, which is developing a disposable product to identify nerve and…