Former All Black Steve Devine is hailing the launch of a new portable brain scanner that's set to revolutionise concussion diagnosis for rugby players in New Zealand. 

The Nurocheck headset will be able to detect head injuries in just two minutes without the need for baseline testing. 

Devine has suffered a number of head knocks in his playing career and says the device is especially beneficial for the amateur game. 

He told Mike Hosking players are probably only getting a test if they’ve taken a reasonable hit and usually there’s a moment where you can tell they’re not well. 

He says if a player goes back on and recieves a second knock, that can be fatal, and that’s the one they’re trying to stop.  

LISTEN ABOVE