Patent ID: 7998200
Filing Date: 2011-08-16
Classification: A61F

Abstract:
1. A voice prosthesis device for insertion into a tracheoesophageal opening of a wearer, the voice prosthesis device providing a passageway therethrough, a tracheal flange adjacent a tracheal end, and an esophageal flange adjacent an esophageal end, the tracheal flange and esophageal flange aiding in retaining the voice prosthesis device in the tracheoesophageal opening, the passageway including a first stop extending inwardly from a sidewall of the passageway into a lumen of the passageway between the tracheal and esophageal ends, and a plurality of second stops extending inwardly from the sidewall of the passageway into the lumen of the passageway between the first stop and the esophageal end of the passageway, and a valve mechanism permitting flow through the passageway from the tracheal end and impeding flow through the passageway from the esophageal end.