However he is now  back in full training and is likely to figure for the Ospreys in their Powergen Cup clash against Bristol at the Memorial Stadium on Sunday.
 
``We will see how Gavin goes in training this week before making a final decision,'' said Ospreys team manager Derwyn Jones.  `He will probably play some part, perhaps coming off the bench at some point.
 
``He will step up his training this week and we'll be in a position to see if he's ready to go into the mix.''
 
A fully-fit Henson would also be a boost for the Ospreys who are already without two other Lions - Ryan Jones (shoulder) and Brent Cockbain (hamstring) - for the rest of the season.