It's a good question. The answer is, no such techonology. A cure for HepB would require the HBV's cccDNA be totally eliminated from your liver cells. cccDNA is not in your blood.
But I know of a situation where people were infected by a virus that sped up their aging process. It was a tough virus to beat but they beat it by using the transportor. While in a suspended stated, they removed the foreign invaders, then reconstituted the sequencing, thus curing those infected. But you need Captain Picard's guidance for that.
wow didnt think this method existed !!
Came across the following :
http://www.sciencedaily.com/videos/2008/0602-cleaning_infected_blood.htm
Hope this is not one of those schemes :)
I guess Replicor is a form of chealation therapy