Rotary cassette system for dry powder inhaler
First Claim
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1. A medication inhaler, comprising a housing;
- a mouthpiece affixed to the housing;
a vibrating element and a piercing element contained within the housing;
a plurality of individually addressable blister packs detachably carried on a cassette within the housing, wherein each of the plurality of individually addressable blister packs contains a specified amount of a medicament;
a blister-carrying mechanism disposed to move a selected blister pack between a stowed position and a detached dispensing position; and
a blister-clamping mechanism disposed to secure the selected blister pack in spring urged contact with the vibrating element.
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Abstract
The present disclosure provides an inhaler having a vibration element for aerosolizing medicament contained in a blister pack, wherein a plurality of individual blister packs are arranged in a rotary cassette that fits within a housing, and wherein the individual blister packs are dragged up into a clamping position between the vibration element and a piercing element. The motion of the blister pack is controlled by a rotary disk within the housing which further coordinates the movement of the piercing and vibrating elements for the piercing and deaggregation, respectively, of the individual blister packs.
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Citations
21 Claims
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1. A medication inhaler, comprising a housing;
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a mouthpiece affixed to the housing; a vibrating element and a piercing element contained within the housing; a plurality of individually addressable blister packs detachably carried on a cassette within the housing, wherein each of the plurality of individually addressable blister packs contains a specified amount of a medicament; a blister-carrying mechanism disposed to move a selected blister pack between a stowed position and a detached dispensing position; and a blister-clamping mechanism disposed to secure the selected blister pack in spring urged contact with the vibrating element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A dry powder inhaler, comprising
a vibrating element; -
a piercing element; a cartridge carrying a plurality of individually addressable blister packs, wherein each of the plurality of individually addressable blister packs is detachable from the cartridge and contains a specified amount of powdered medicament, the blister packs being arranged in a circular formation on the cartridge; and a lever arm, the movement of which causes a blister-carrying mechanism to move a selected blister pack from the cartridge to the piercing element and a blister-clamping mechanism to secure the selected blister pack in spring urged contact with the vibrating element, to be opened, deaggregated and the powder inhaled by a user. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification