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DELIVERY DEVICE AND RELATED METHODS

  • US 20130008442A1
  • Filed: 07/03/2012
  • Published: 01/10/2013
  • Est. Priority Date: 07/06/2011
  • Status: Active Grant
First Claim
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1. A dose delivery device, comprising:

  • a housing having an inlet at a first end, an outlet at a second end, and an air path extending between the inlet and the outlet;

    a first chamber having an inlet and an outlet, fluid entering the first chamber via the first chamber inlet being arranged in an inlet direction, the first chamber, the first chamber inlet and the first chamber outlet being arranged such that fluid flowing in an outlet direction to the first chamber outlet is transverse to, and crosses, fluid flowing in the inlet direction;

    a second chamber having an inlet arranged to receive dose entrained air from the first chamber outlet, and an outlet fluidly coupled to the housing to provide dose entrained air to the housing inlet, the second chamber arranged to disperse dose in the dose entrained air provided to the housing inlet;

    bypass inlet to inlet air into the second chamber in a generally radially inward direction; and

    a dose chamber arranged to hold a dose.

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