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Breath-activated metered-dose inhaler

  • US 6,260,549 B1
  • Filed: 06/18/1998
  • Issued: 07/17/2001
  • Est. Priority Date: 06/18/1998
  • Status: Expired due to Fees
First Claim
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1. A breath-activated apparatus for dispensing air-mixed medication comprising:

  • an electronic sensor for producing a signal in response to a breath;

    a mechanical actuator triggered by the signal for dispensing the medication;

    a battery on a replaceable medication canister providing power for the electronic sensor; and

    a mouthpiece in communication with the sensor and the canister, the mouthpiece having an outer tube and an inner tube disposed therein, such that when the actuator is triggered the inner tube moves causing release of the medication into the mouthpiece.

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