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A nose prosthesis is only required if the nose cannot be repaired, and there are a variety of reasons this may occur. A benign tumor or a malignant neoplasm forms within the nasal cavity. Threatening or not, it's too dangerous to leave cancerous tissue in the body, and the safest thing to do is to completely remove it.
Samantha Cristoforetti demonstrating the use of the Valsalva device in the Sokol space suit. The Valsalva device is a device used in spacesuits, some full face diving masks, and diving helmets to allow astronauts and commercial divers to equalize the pressure in their ears by performing the Valsalva maneuver inside the suit without using their hands to block their nose.
In medicine, a nasopharyngeal airway (NPA), nasal trumpet (because of its flared end), or nose hose, is a type of airway adjunct, a tube that is designed to be inserted through the nasal passage down into the posterior pharynx to secure an open airway. It was introduced by Hans Karl Wendl in 1958. [1]
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Some spacesuits contain a device called the Valsalva device to enable the wearer to block their nose to perform the Valsalva maneuver when wearing the suit. Astronaut Drew Feustel describes it as "a spongy device called a Valsalva that is typically used to block the nose in case a pressure readjustment is needed". [ 29 ]
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