When Mike Brown broke his back six years ago, not being able to walk was only half the battle – he could also no longer feel when his bladder was full.
Mike and a couple of mates from Christchurch have banded together to find a solution. They’re developing Urigo – a sensor connected to a smart phone app that lets you know when you need to go.
They’re hoping to change hundreds of thousands of lives around the world.
Watch the full story in the video above and see the whole Sunday innovate series here.