A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which food passes from the throat to the stomach (esophagus) can require a dilator procedure in order to open the esophagus for adequate passage of food and fluids.
(DYE-lay-tor): A device used to stretch or enlarge an opening.
An instrument to stretch body tissues and enlarge an opening, passage or canal.
A device or substance used to enlarge a hollow structure or opening.