LAEYNGOTOMY AKYTENECTOMY. 



463 



cartUage and the vocal cord. We shaU describe the Fleming and 

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

 " Bearing ia Horses," by the former, and "The Surgical Treat- 

 ment of Chronic Eoaring," by the latter. 



The Fleming Method.— The special instruments necessary 

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



Fig. 399 —Tracheal Tampon Cauula. 



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

 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 lq preventing the flow of blood 

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

 and for haK an hour subsequently. Other instruments required 

 are a razor-shaped knife, vrith which to excise the cartUage ; a bent 

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

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



Pig. 401.— Bent Knife. 



Fig. 403.— Hook to Secure the Cartilage. 



