146 



CANINE AND FELINE SURGERY 



(see Fig. 117), and in some cases if dangerous s}-mptoms 

 become manifested during the administration of some general 

 anaesthetic or during the catarrhal stages of distemper or 

 some other disease. 



The prognosis is usually good, particular!}' in cases where 

 the tube is only to be worn for a short time. 



Fig. 116. — Collie Pup with Tracheotomy-tube in sifti. 



Operation. — The patient is placed in the dorsal position, 

 \\ith the head well thrown back, and the skin of the neck 

 is made as tense as possible. After the usual antiseptic pre- 

 cautions an incision, is made in the upper third of the neck 

 about an inch belo^\• the larynx, at a spot where the trachea 

 can be felt most superficially. The latter is picked up with a 



1 For this photograph I am indebted to Mr. F. C. Gillard, M.R.C.V.S. 



