Inhalation device and method
First Claim
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1. An inhaler for delivering a pharmaceutical to the airway of a human or animal patient, comprising:
- a housing containing a vibrating device and a motor or mechanical advancing mechanism;
a removable cartridge formed to interface with the housing, the cartridge forming a loop surrounding an opening formed completely through a center portion of the cartridge, wherein the removable cartridge further comprises;
a strip arranged within the loop of the cartridge having a plurality of blisters containing individual doses of a pharmaceutical;
a flow channel;
an air inlet that interfaces with the flow channel;
an aerosol chamber connected to the flow channel, wherein the aerosol chamber and the vibrating device form a resonance chamber for deaggregating the pharmaceutical;
a mouthpiece connected to the flow channel for delivering the pharmaceutical to the patient;
a device for advancing the strip relative to the aerosol chamber; and
a device for opening an individual blister adjacent the aerosol chamber whereupon an individual dose of the pharmaceutical is delivered to the aerosol chamber;
wherein the vibrating device interfaces with the aerosol chamber.
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Abstract
The present disclosure provides a method and device for delivering a pharmaceutical to the airway of a human or animal patient. In one aspect, the device includes a dose drum formed into a cylinder and including a plurality of dose compartments for containing individual doses. In another aspect, the device may include a reservoir containing a pharmaceutical material in bulk form and a metering recess for metering the pharmaceutical material to form a pharmaceutical dose. Another aspect provides an inhaler with a combined reservoir and dosing chamber configured to contain multiple doses of a pharmaceutical material.
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Citations
5 Claims
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1. An inhaler for delivering a pharmaceutical to the airway of a human or animal patient, comprising:
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a housing containing a vibrating device and a motor or mechanical advancing mechanism; a removable cartridge formed to interface with the housing, the cartridge forming a loop surrounding an opening formed completely through a center portion of the cartridge, wherein the removable cartridge further comprises; a strip arranged within the loop of the cartridge having a plurality of blisters containing individual doses of a pharmaceutical; a flow channel; an air inlet that interfaces with the flow channel; an aerosol chamber connected to the flow channel, wherein the aerosol chamber and the vibrating device form a resonance chamber for deaggregating the pharmaceutical; a mouthpiece connected to the flow channel for delivering the pharmaceutical to the patient; a device for advancing the strip relative to the aerosol chamber; and a device for opening an individual blister adjacent the aerosol chamber whereupon an individual dose of the pharmaceutical is delivered to the aerosol chamber; wherein the vibrating device interfaces with the aerosol chamber. - View Dependent Claims (2, 3, 4, 5)
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Specification