Historical information

The dilator is designed to fascilitate the tracheostomy tube into the trachea via the initial incision
http://entinstruments.blogspot.com.au/2011/07/trousseaus-tracheal-dilator.html#!/2011/07/trousseaus-tracheal-dilator.html

Physical description

Curved end stainless steel percutaneous dilator

Inscriptions & markings

"STAINLESS STEEL"
"Martin"
"568"