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Aerosol medication delivery system

  • US 5,617,844 A
  • Filed: 09/21/1995
  • Issued: 04/08/1997
  • Est. Priority Date: 09/21/1995
  • Status: Expired due to Fees
First Claim
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1. An aerosol inhalation apparatus for delivering a medicament containing mist to a patient comprising:

  • (a) a housing having interconnecting first and second chambers and a wall having an opening therein, said wall being disposed intermediate said first and second chambers;

    (b) containerized medication means removably connected to said housing for introducing into said first chamber of said housing a particulate-laden spray having large and small particles of medicament;

    (c) inhalation means connected to said housing for communication with said second chamber for permitting a patient to inhale particulate-laden spray residing within said housing and to exhale a portion thereof into said second chamber; and

    (d) flow control means carried by said housing for controlling passage of particulate-laden spray between said first and second chambers during patient inhalation and exhalation, said flow control means comprising a valve member pivotally movably relative to said opening in said wall.

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