470 
REPORTS OF CASES. 
tion, it was painted with tincture of iodine, after which a solu¬ 
tion of cocaine (4 per cent.) and adrenalin (1-4000) was in¬ 
jected, an incision about 18 cc. long was made and the trachea 
opened up in the old wound fully 10 cc. long. 
Previously an aluminum tube 12p> cc. long and 4 % cc. in 
diameter, with perforations near the edge as shown in cut, had 
been made, which was inserted in such a manner that the upper 
end extended above the first tracheal ring that was collapsed, as 
also below the first good ring. 
The cartilaginous rings that were collapsed were brought over 
the aluminum tube and stitched fast with silver wire, passing 
through perforations in metal tube and over cartilages alternately. 
The tissues were then brought together and stitched with 
uninterrupted catgut sutures, and the skin stitched with inter¬ 
rupted sutures and a dry dressing applied. 
The operation was performed without the use of anv holding 
