STREET NAIL PRICKS 47V 



Thoroughness however in many cases demands recumbent 

 restraint. The operating table is par excellence the best. 



First Step. — The unshod hoof is submitted to a thorough 

 pa s fihg not only around the puncture but over the entire sole 

 and frog which are patiently trimmed and "smoothed up" 

 until the whole surface is compressible. 



Second Step. — The horn around the puncture as far as 

 it has become detached from the velvety tissue is then care- 

 fully removed without drawing blood by invading the 

 healthy surrounding zone or wounding the bulging soft 

 tissues. 



Third Step. — The nail tract is then cleansed with a solu- 

 tion consisting of hydrogen peroxide, 20%, and mercuric 

 chloride, 1-1000, 8o c /c. The cleansing process is executed 

 by a gentle syringing that will not force the fluid beyond 

 the tract and pus cavity, and the injected solution must be 

 afforded a free, unobstructed reflux around the canula 

 Then, after the wound has been dried by bailing it with cot- 

 ton or sponge and the bleeding has ceased, the tract is in- 

 jected with a saturated solution of iodine crystals in ether. 



Fourth Step. — The shoe is then nailed on loosely with 

 two or three nails on each side, and the solar surface cov- 

 ered with cotton saturated with mercuric chloride solution, 

 1-500, which is held in place with a piece of heavy leather 

 that fits evenly into the sole, and two transverse pieces of 

 hoop-iron which are sprung beneath the shoe to hold the 

 leather securely in position. (Fig. 241). This dressing as- 

 sures perfect cleanliness against stable filth, is easily re- 

 moved and replaced, maintains good antisepsis about the 

 wound and freely absorbs the discharges. 



AFTER-CARE. — Three or four times daily a few ounces 

 of mercuric chloride solution 1-500' is poured into the cotton 

 at' the heel, and each day the dressing is removed and pus- 

 soaked cotton replaced by a clean supply which is kept con- 

 stantly saturated. At the time of dressing each day, or at 

 least every second day, the horn around the wound is pared 

 away as far as it is found to be detached from the velvety 

 tissue. 



This intensive antiseptic and protective treatment is con- 

 tinued until the discharge ceases and the velvety tissues 

 have become reclothed with new horn. 



If the lameness is refractory and the pain intense the 

 foot is wrapped in a woolen swab soaked repeatedly with 

 hot antiseptic water. 



Continuation of the pain, accentuation of the lameness, 



