[Development of a modified Dumon stent for tracheal applications: an experimental study in dogs].

Objective: To describe the development of a silicone stent and perform in vivo testing for biocompatibility/applicability in the normal canine trachea.

Methods: Four different densities were tested in order to obtain the silicone prototypes. The pressure required for compression considering a contact area of 1 cm(2), and a 30% reduction in diameter was calculated for each density.