“…Its potential direct tracheal trauma is very limited, and the device can be placed endoscopically. We proposed in 1995 an endoluminal detachable balloon, that can accommodate the increase in tracheal diameter, without detectable tracheal side-effects at the place of obstruction so far (Deprest et al, 1997d). It can be inserted completely by endoscopy and it is easily reverted by puncture (Fig.…”