294 ILLUSTRATED STOCK DOCTOR. 



place the other through the opening near the point of the needle an,i 

 draw it through. Then tie a knot at the other end, and leave it. In 

 this way, the sinus will have an opening below, and the tape will act as » 

 drain, while tending also by friction to remove the hard lining of tbe 

 pipe. As soon as a healthy looking matter is seen to be issuing from 

 the lower orifice, remove the seton, but cleanse occasionally with warm 

 9oap and water. 



