TRACHEOTOMY. 



695 



some mechanical means, of which tlie best is a tracheotomy tube 

 (Figs. 182 and 183, pp. 697 and 699). The use of a tube,\vhich 

 is a practical necessit}' in permanent tracheotomy, is optional in 

 the tempnrary operation. Tlie fji-eater tlie amount of damage 



Fig. iSo. — Improvised 

 tourniquet. 



Fig. iSi. — An Esmarch bandage on 

 foreleg of horse. 



(cutting through and removal of cartilage) inflicted on the wind- 

 pipe in making the opening, other things being equal ; the 

 greater will be the probability of the wound causing injurious 

 alterations in the shape and the calibre of the windpipe. Taking 

 this fact into consideration, and bearing in mind that temporary 



