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A voice prosthesis (plural prostheses) is an artificial device, usually made of silicone that is used in conjunction with voice therapy to help laryngectomized patients to speak. During a total laryngectomy , the entire voice box ( larynx ) is removed and the windpipe ( trachea ) and food pipe ( esophagus ) are separated from each other.
Along with developing esophageal voice, using a speech synthesizer, or undergoing a surgical procedure, the electrolarynx serves as a mode of speech recovery for laryngectomy patients. [2] [3] The Voice Quality Symbol for electrolaryngeal phonation in speech is И, approximating the symbol for electricity.
Indications include voice rehabilitation for patients who are undergoing a total laryngectomy (primary puncture) or patients who have had a total laryngectomy in the past (secondary puncture). Contra-indications are mainly related to the use of the voice prosthesis and not the puncture procedure itself. It is important to have healthy tissue at ...
Transplants of the so-called voice box are extremely rare, and normally aren't an option for people with active cancer. Marty Kedian is only the third person in the U.S. ever to undergo a total larynx transplant – the others, years ago, because of injuries – and one of a handful reported worldwide.
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Voice prosthesis. Available methods for voice restoration: For tracheoesophageal speech, a voice prosthesis is placed in the tracheo-oesophageal puncture (TEP) created by the surgeon. The voice prosthesis is a one-way air valve that allows air to pass from the lungs/trachea to the esophagus when the stoma is covered, where the redirected air ...
Fifty percent of her time while speaking was silence. Of the other fifty percent, half was spent creating “quasiperiodic” speech-like sound and the other half spent creating noise. This produced an “unpleasant, markedly hoarse voice quality which was consistently evident in her pharyngeal speech". [7]
This surgical procedure may occur during the laryngectomy (primary TEP) or after a period of time (secondary TEP). The prosthesis is placed approximately 10–14 days post operation by a certified speech language pathologist (SLP) who specializes in ENT work. During the placement of a prosthesis, the SLP measures the depth of the puncture ...