SURGICAL TREATMENT 177 



are placed in No. 2. In one tray are placed the 

 milliners' needles, twelve of which are threaded with 

 twist No. I ; another tray contains scissors, forceps, and 

 scalpel ; and the third contains reserve instruments, 

 suture needles, and twists Nos. 3 and 6. Pail No. 3 is 



Position of first incision through the skin and 

 across the fibres of the external oblique. 



Dotted line marking the 

 position of secondary 

 wound for drainage. 



FrG. 12.— Seat of Laparo-Entkrotomy (Macqueen's Operation). 



filled with hot water for rinsing hands and instruments ; 

 and pail No. 4 is filled with boiling water, which is pro- 

 tected from dust and allowed to cool. This water will 

 be required to wash the bowel after suture. 



'Abdominal Incision. — The linea alba offers the least 

 vascular and shortest route to the interior of the 



12 



