Hiccups purpose is to clear out any irritant present in your food pipe called the esophagus. But rules tube presence frequently causes hiccups as a very big tube is present all the way from your nose to stomach. First find out if &a how long your fathers condition is going to require rules tube. Since removal of tube itself is going to solve your problem. If tube can't be removed contact your health care provider who is going to provide medication for the same.