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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Valsalva device ： ウィキペディア英語版 Valsalva device 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. Astronaut Drew Feustel has described it as "a spongy device called a Valsalva that is typically used to block the nose in case a pressure readjustment is needed." In November 2011 ESA astronaut Samantha Cristoforetti posted on Twitter a picture of her demonstrating the use of the Valsalva device in the Sokol space suit during suit pressurization. The Valsalva device has also been used for other purposes. On 25 May 2011, NASA reported that during the second spacewalk of Space Shuttle mission STS-134, Feustel was able to clear tears from his eye by wiggling down far enough in his Extravehicular Mobility Unit to make use the Valsalva device in his suit as a sponge to clear up tears〔 caused because anti-fogging agent (liquid soap) came free from the inside of the helmet and floated into his eye. == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Valsalva device」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.