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Method and device for delivering aerosolized medicaments

  • US 6,681,767 B1
  • Filed: 05/01/2000
  • Issued: 01/27/2004
  • Est. Priority Date: 07/02/1991
  • Status: Expired due to Fees
First Claim
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1. An apparatus for producing aerosolized medicament, the apparatus comprising:

  • a reservoir adapted to contain a medicament to be aerosolized;

    a source of pressurized gas capable of generating a gas stream to aerosolize the medicament;

    a chamber comprising a first inlet to introduce the aerosolized medicament into the chamber, a second inlet to introduce ambient air into the chamber, and a mouthpieces, the chamber having a volume of from 100 ml to 750 ml; and

    a one-way valve in communication with the second inlet to prevent air in the chamber from passing through the second inlet.

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