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Inhalation device and method

  • US 9,974,909 B2
  • Filed: 10/17/2013
  • Issued: 05/22/2018
  • Est. Priority Date: 01/05/2010
  • Status: Active Grant
First Claim
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1. An inhaler for delivering a pharmaceutical to the airway of a human or animal patient, comprising:

  • a dose drum in the form of an elongate cylinder, the dose drum including a plurality of dose compartments located on an outer cylindrical surface of the dose drum for containing individual doses of a pharmaceutical;

    a flexible sheath formed of a tape, foil or film surrounding and covering in part the outer cylindrical surface of the dose drum, wherein the sheath is movably slidable on the dose drum to uncover one or more of said dose compartments to the outer cylindrical surface of the dose drum;

    a dose chamber; and

    a flow channel, through which the individual dose is delivered to the airway of the patient;

    wherein the dose chamber includes an opening for receiving said doses of a pharmaceutical, and wherein the dose chamber is a resonance chamber coupled to a vibration device.

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