you can buy hai3hua2 pai su4xiao4zhi4liao2yi2 and have a try.
-llma(qinglanzi);
2001-11-11{191}(#257890@0)
i saw the ad about it in local shen2zhou1shi2bao4 a couple
of months ago. my father had this problem before, the best way
is having a rest, he used this instrument and it helped him a lot.