Digital back for a Medium Format 6x6 Camera

Saw This a short while ago, dont know if it helps though

Not as such and you need to ask whether the cost is viable.
You can get a Silvestri adaptor to Hasselblad V fitting...
Silvestri
This will allow you to fit Hasselblad, Leaf or Phase one backs... but the adaptor alone is £5 short of £600 plus the cost of the back, which even buying used is prohibitively expensive.
You can get a Silvestri adaptor to Hasselblad V fitting...
Silvestri
This will allow you to fit Hasselblad, Leaf or Phase one backs... but the adaptor alone is £5 short of £600 plus the cost of the back, which even buying used is prohibitively expensive.