ANATOMY OF THE FOOT. 



589 



Instruments. 



The sm-gery of the foot requires special instruments for the 

 operations which influence action upon the hoof, as also for those 

 which are to be performed upon the tissues of the foot proper. 



Besides those which are commonly required in ordinary sur- 

 gery, such as curved scissors, probes, bistouries and forceps, 

 others are needed of special forms and for special purposes; 

 among those most commonly used are the different sage knives 

 and di-awing knives. 



Sage knives are lanceolated blades secured to handles, and 

 are either double or right or left. The blade, which is curved 

 upon its long axis, may be sharp on both edges, as in the double, 



Fig. 485. 



Pig. 484. 

 SAGE KNIVES. 



(Fig. 483) or on only one or other edge, when it is known as a 

 right (Fig. 484) or left (Fig. 485) sage knife, being thus adapted 

 to use by either the right or the left hand. 



Drawing knives, which are made somewhat like those used by 

 blacksmiths in the ordinary method of paring the foot, yet differ 

 from those in being straighter in their attachment to the handle, 

 and also on being curved on their long axis, being also sharp on 

 both edges. The groove of the instrument is made to vary in 



