The link is for gall bladder removal.Laser is not usually used for gall stones, (less than 15% are candidates for gall stone lithotripsy. This site tell tells the most common tx for gall stones.
The last time I was hospitalized for gall stones, 20+ years ago, the doctor said that destroying them with a laser was the way to go. Googling it, it seems that 20 years ago, that seemed to be gaining poularity, but now it seems the concensus is to just remove the gallbladder instead of removing the stones. Ayway, I stopped having attacks and my gall bladder seems fine.