The 21-year-old has joined the Dragons with immediate effect, linking up with the squad on Monday 6th November.
The youngster has represented Wales at age-grade level and made his Ospreys debut in 2015 coming off the bench against Gloucester in the Anglo-Welsh Cup.
Dragons Head Coach, Bernard Jackman commented; “I am grateful to Steve Tandy and the Ospreys for helping us out during this difficult period with injuries and loaning us Joe.
“He has played age grade for Wales with some of our transition players and is a talented player.”
