Valsalva device in spacesuits Valsalva maneuver

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astronaut showing use of valsalva


some spacesuits contain device called valsalva device enable wearer block nose perform valsalva maneuver when wearing suit. astronaut drew feustel describes spongy device called valsalva typically used block nose in case pressure readjustment needed. 1 use of device equalize pressure during suit pressurization.








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