The Objective is to Respond to Patients' Needs in the Field of Larynx Replacement

Artificial Larynx : Intralaryngeal Prosthesis With Valve in Major Swallowing Troubles

Supplement pharyngolaryngeal deficient functions by insertion of a prosthesis with valves in order to allow tracheotomy closing (when applicable) and / or to allow restoration of god swallowing capacity. The secondary objective is to study the concept of a special valves system for the development of an artificial larynx

Inclusion criteria:

• Age more than 18
• Swallowing troubles

Exclusion criteria:

• Pregnant women
• Contraindications to general anesthesia