Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1995-07-25
1997-07-01
Millin, Vincent
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820312, 12820225, A61M 1500, A61M 1610
Patent
active
056427271
ABSTRACT:
A tribo-inhaler having a container portion for electrostatically retaining a predefined dose of medicament powder, where the medicament is tribo-electrically charged; and apparatus, attached to the container portion, for extracting said medicament powder from the container portion. The container portion contains a plurality of polymeric beads that have diameters of approximately 50 to 200 microns. Each of the polymeric beads has a specific quantity of dry powder medicament electrostatically adhered to its surface. To remove the medicament from the cavity, a patient merely inhales air through the container portion. The air flow forcefully moves the beads within the container portion causing the medicament to dislodge from the beads and be carried by the air flow into the lungs of the patient.
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Datta Pabitra
Desai Nitin V.
Burke William J.
David Sarnoff Research Center Inc.
Millin Vincent
Srivastava V.
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