PRELIMINARY OPERATIONS 



95 



it up. Free it from fascia for a distance of three-quarters 

 or one inch and then with the forceps place two ligatures 

 loosely under it. Tie these loosely and place a bull-dog 

 on the vessel close up to the proximal end of the freed 

 space. The distal ligature is now tied tightly, the vessel is 



Cephalad 



Fig. 95. A blunt probe is used to dissect the fascia away from the femoral artery and 



vein. 



lifted on the aneurism needle, and with the scissors a cut 

 about three-fourths across the vessel is made close to the 

 distal tied ligature. If the segment of the vessel was full 

 of blood the assistant should hold a piece of cotton over 



Cephaldd rN .S a phenus 



n> 

 </t 



5" 



Fig. 96. Position and relations of the vein, artery and nerve. 



the points of the scissors as the cut is made. The opera- 

 tor now holds the vessel open (supporting it on the hook 

 of the aneurism needle) with the large sharp-pointed for- 

 ceps while the assistant inserts the cannula, running out a 



