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Method and apparatus for treating obstructive sleep apnea by using negative oral pressure to a patient

  • US 7,918,222 B2
  • Filed: 03/28/2007
  • Issued: 04/05/2011
  • Est. Priority Date: 05/30/2006
  • Status: Active Grant
First Claim
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1. An apparatus for treating obstructive sleep apnea by using negative oral pressure to a patient, comprising:

  • a vacuum unit for controlling and maintaining negative pressure of an oral cavity of the patient;

    a tube with one end thereof connecting to said vacuum unit to suck out air in the oral cavity to generate the negative pressure therein; and

    a mouthpiece connecting to the other end of said tube and having at least one concave portion conforming to a contour of at least one of an upper lip and a lower lip of the patient for attaching to at least one of the upper lip and the lower lip and sealing said patient'"'"'s mouth to prevent the oral cavity from air leakage.

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