87 



Fig. 81.— Straight, curved Directory— Silver Probe. 



suitable, flexible substance, and either straight or curved as the S 

 probe. The director is also a probe, heavier than the ordinary 

 kind, and having a small groove running its length on one side. 

 It is used as a kind of guide to prevent the deviation of the bis- 

 toury from its proper course, and to conduct it to the bottom of a 

 wound. 



Exploring needles are used with advantage in the detection of 

 the natiire of abnormal growths, the small and narrow wound 

 which they make being sufficient to ascertain the nature of the 

 liquid which may be present, without danger of complications. 



The Dieulafoy aspirator affords another means of exploration 

 and discovery of deep-seated parts, inaccessible in the ordinary 

 way. 



Fig. 82.— Dieulafoy'8 Aspirator. 



