fallopial tube blockage

Dee • 42, happy mother of a lovely boy through ICSI on 3rd round. TTC #2 since June 17
One of my fallopial tubes is blocked. One doctor said it might be possible to do surgery in order to open it up, another said it's usually not worth it. Depending on what caused the blockage - which is and will always be unclear in my case - the tube might not be working still. Since we've struggled to get pregnant the natural way there might be a chance that the other open tube is not functioning well either. Has anyone made any experiences with surgery or heard of taking wobenzyme in order to open up the fallopial tube a more natural way?