Apparatus for aerosolizing powdered medicine and process and using

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United States of America Patent

PATENT NO 5327883
SERIAL NO

07702297

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An apparatus for aerosolizing a dose of powdered medicine for inhalation, comprising in combination a solid core defining a diskshaped aerosolizing chamber, the chamber defined by spaced-apart, flat front and rear walls terminated by a circumferential wall, the core including a first end piece having formed therein a hollow mouth/nose piece at the front thereof, an impeller non-concentrically disposed in the chamber mounted on a shaft for high-speed powered rotation about a fixed axis, a plunger for instantaneously introducing a full dose of powdered medicine into the aerosolizing chamber so that all particles thereof are available for intermixing disaggregation and comminution, an aperture for receiving a first stream of air interior the core and passing it towards the mouthpiece for inhalation by the user, and, a wall having formed therein at least one aperture for diverting a portion of the first stream into a second stream of air for sweeping through the aerosolizing chamber to mix with the particles to form a fine, low-density, low-velocity, dry mist of powdered medicine for inhalation by the user.

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Patent Owner(s)

Patent OwnerAddress
DURA PHARMACEUTICALS INC5880 PACIFIC CENTER BOULEVARD SAN DIEGO CA 92121

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mecikalski, Mark B Tucson, AZ 9 657
Thueson, David O Poway, CA 17 882
Williams, David R San Diego, CA 92 6960

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