Patent attributes
A device for alleviating obstructive sleep apnea, comprising: a base fitted and fixed to an user's head and having a passage portion; an adjustment element extending into the passage portion and undergoing relative displacement therein; a locking element disposed at the passage portion, wherein an user uses the locking element to fix the adjustment element in place to limit the relative displacement of the adjustment element; a suction member undergoing relative displacement relative to the passage portion together with the adjustment element and having a channel, wherein the channel extends into the adjustment element, undergoes relative displacement in the adjustment element, and connects to a tongue fixing portion disposed at the front end of the user's tongue; and a negative pressure source being mounted on the base and in communication with the channel, providing a negative pressure to the user's tongue in contact with the tongue fixing portion.
