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US 2012/0259277 A1Published application
Medical devices for dispensing powders
AssigneeMystic Pharmaceuticals, Inc.
InventorsChristopher D. Shay, Timothy R. Sullivan
Life of this patent
Estimating the term…
Abstract
A medical device for topical, intranasal or oral administration of dry powder medical compositions includes a unit dose blister form containing an internal piercing device that provides for agitation, dispersion and dispensation of the powder to a user.
Claims20
A piercing device internal to a dosage form for dispensing a predetermined quantity of dry powder to a user, said device comprising:
- a ring;
- a hollow elongated member comprising an internal channel and a piercing tip;
- one or more legs or members providing support to the hollow elongated member and connecting it to the ring wherein a fluid path is formed to allow communication of the dosage form contents into the hollow elongated member.
A device for dispensing a predetermined quantity of dry powder to a user, comprising:
- a body comprising a nozzle end designed for insertion into a nostril of a user;
- a trigger device;
- a dosage form comprising a crushable ampoule or blister comprising an internal volume, a pierceable membrane and containing the powder and the piercing mechanism within the internal volume;
- wherein the internal piercing device comprises a ring, an elongated hollow tip, and one or more legs or members connecting to and providing support to said hollow elongated member that also forms a discharge channel and nozzle;
- an actuator in contact with the trigger device;
- a plunger connected to the actuator;
- and
- wherein operating the trigger causes the plunger to crush the dosage form and the piercing device to penetrate the pierceable membrane and discharge the powder through the discharge channel;
- and further wherein the actuator modifies a mechanical force applied from the trigger device to the plunger.
6 more elements
Dependencies are inferred from the claim text.