LARYNGOTOMY ARYTENECTOMY, 



463 



cartilage and the vocal cord. "We shall describe the Fleming and 

 Cadiot modes as we find them recorded in their own works, 

 " Roaring in Horses," by the former, and " The Surgical Treat- 

 ment of Chronic Roaring," by the latter. 



The Fleming Method. — The special instruments necessary 

 are small ordinary forceps; scalpels; bvdl-dog forceps; tracheal 



Fig. 399 —Tracheal Tampon Canula. 



tampon ; a canula, formed of a long tracheotomy tube, with ah 

 india rubber bag surrounding its middle. This bag is inflated 

 by means of an india-rubber air-pump, after the insertion of the 

 tube into the trachea, and is useful in preventing the flow of blood 

 into the bronchii during the horse's getting up after the operation, 

 and for half an hour subsequently. Other instruments required 

 are a razor-shaped knife, with which to excise the cartilage ; a bent 

 knife with which to remove the muscles from the outside of the 

 arytenoid cartilage ; a hook to seize and raise the lower end of 



Fig. 402.— Hook to Secure the Cartilage. 



