Trachea esophageal voice prosthesis
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United States of America Patent
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Jul 5, 2022
Grant Date -
Feb 14, 2019
app pub date -
Oct 19, 2016
filing date -
Oct 19, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The disclosure relates to voice prosthesis device that enables a laryngectomy patient to speak. The voice prosthesis device has a cylinder including a first end and a second end. An inner washer is attached to the first end and an outer washer is attached to the second end. A partial shutter is coupled to the first end of the cylinder. A shutter guard is placed at the inner part of the inner washer and is fixed to the cylinder. The device further includes plurality of rings. The partial shutter is made of platinum cured silicon and opens relatively to allow exhaled air to pass from the second end to the first end and prevents entry of food particles into the second end.
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