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Inhealth Tech Blom-Singer Low Pressure Voice Prosthesis Silicone One-way Flapper Valve is designed for placement in a passage between the trachea and the esophagus for voice restoration following laryngectomy. The one-way valve protects the airway during swallowing and opens under positive pressure so that air crosses into the esophagus to produce voice. It is a patient maintained device, the patient may insert, remove and clean the device independently.
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