S6 FISTULA AND POLL-EVIL 



or gauze soaked in mercuric chlorid solution 

 and bound down with the withers bandage. At 

 the end of forty-eight hours we give the whole 

 cavity a good cleaning under strict aseptic pre- 

 cautions, removing the blood clots attached to 

 the tissue completely. The cavity is now 

 sprinkled with iodoform and then filled up with 



Fig. 10. — The Drainage Tube After the Wound Has Been 

 Sutured, Atypical Fistula. 



a mixture consisting of iodoform five per cent 

 and boric acid ninety-five per cent and the 

 withers protected again with clean cotton and 

 the bandage. 



In cases where the wound has not been soiled 

 during the operation a daily renewal of the 

 antiseptic powder after wiping out the old will 



