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Instrumented metered-dose inhaler and methods for predicting disease exacerbations

  • US 8,342,172 B2
  • Filed: 02/03/2008
  • Issued: 01/01/2013
  • Est. Priority Date: 02/05/2007
  • Status: Active Grant
First Claim
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1. A metered dose inhaler, comprising:

  • a) an inhaler portion including;

    i) a medication reservoir compartment constructed and adapted to engage a medication reservoir or to contain medication;

    ii) a mouthpiece; and

    iii) a flow pathway opening into and connecting the medication reservoir compartment and the mouthpiece so as to deliver a metered dose of a medication from the medication reservoir compartment to the mouthpiece when the inhaler portion is actuated to dispense a metered dose of the medication; and

    b) a sensor/transmitter portion including;

    i) a dose-dispensing sensor positioned external to the inhaler portion, the dose-dispensing sensor being coupled to the inhaler portion such that when the inhaler portion is actuated to dispense the dose of the medication, the dose-dispensing sensor establishes a signal in response thereto; and

    ii) a wireless transmitter connected to the dose-dispensing sensor, the wireless transmitter being constructed and arranged to accept the signal from the dose-dispensing sensor and transmit a signal indicating that a dose has been dispensed to a remote station.

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