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Sealed back pressure breathing device

  • US 6,786,216 B2
  • Filed: 06/12/2003
  • Issued: 09/07/2004
  • Est. Priority Date: 12/23/1999
  • Status: Expired due to Fees
First Claim
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1. A sealed back pressure device for assisting a respiratory function of a patient, comprising:

  • an elongated hollow body having a first normally open end, a second normally closed end, an intake port and an exhalation port;

    a one-way exhalation valve mounted inside the hollow body for allowing exhaust gas to be exhaled through the exhalation port;

    an intake valve mounted between said open end and said exhalation valve;

    a compression spring mounted between the exhalation valve and the closed end for regulating resistance to gas flow being exhaled by the patient; and

    a means mounted on the second end of the hollow body for adjusting compression of the spring.

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