Help! OK to flush after acute pancreatitis attack?

My 65 yr old husband was in hospital for a week with acute pancreatitis and severe pain (just released yesterday). They found the pancreas duct was blocked due to scarring (he breathed moldy silage in the past & dr said it damaged pancreas); also GB stone spotted between pancreas and gallbladder duct, but when they went in to get it, it was gone. Probably passed through. Later Dr said gallbladder was filled with stones. My concern is what if a gallstone gets stuck if he does the flush? I've read some posts about what to do, but he doesn't handle being sick or in pain too well! I did order the Gold Coin Grass. We only have about 2-3 weeks before the hospital wants to see him again and want to do surgery. Right now he said he has NO pain, he is off antibiotics, was able to eat some last night with no trouble. Just sleeping more than usual. I did do the flush on myself and was amazed to find I have gallstones too. I don't have the appetite I did before, and feel good. I thought doing it on myself would show him that it works. Anybody out there that can advice on how to help my husband? Does he need to rest more first? Thanks so much!