SETONING. 



109 



panniculus. The latter method, however, is sometimes followed 

 by troublesome extension of the suppurative process, and is not 

 to be recommended. 



Having selected the lowest point, the skin is raised in a fold 

 and either divided- with special scissors or with a knife. The point 

 of the needle is then introduced, with its flat side towards the 



Fig. 136. — Seton 

 needle with eye 

 in head and also 

 at base. 



Fig. 136A. 



Fig. 137. — ^^Rowelling scissors, 

 for making the preparatory 

 incision when insertina; j,eton. 



Fig. 136B. 



skin, and the needle thrust forward, its course being carefully 

 noted, and if necessary controlled by the fingers of the left hand. 

 The needle used in France possesses a sharp point, and therefore 

 readily penetrates the skin at the end of its course : but with the 

 common English needle it is necessar\' to make an incision for 



