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US 7,597,099 B2Granted
Medicament dispenser
AssigneeGlaxo Group Limited
InventorsAnthony Patrick Jones, Andrew Paul Horton, Richard William Hartley
Life of this patent
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Abstract
A medicament dispenser comprising: (i) a housing having an outlet; (ii) a medicament container locatable within said housing; (iii) an electronic dose counter associated with said outlet, wherein said dose counter comprises a first sensor for directly detecting a medicament release dispensible from said medicament container through said outlet is disclosed.
Claims25
A metered dose inhaler for dispensing metered doses of a medicament comprising:
- (i) a housing having an outlet;
- and
- (ii) an aerosol container locatable within said housing, wherein the container:
- (a) contains a plurality of metered doses of the medicament, and
- (b) has a dispensing valve, the dispensing valve being actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet;
- the metered dose inhaler further comprising:
- (iii) an electronic dose counter associated with said outlet which comprises:
- a sensor for directly detecting a metered medicament dose dispensed from said container through said outlet, and
- a visual display unit for displaying the number of metered doses of medicament used or remaining within the container in response to the sensor detecting dispensing of a metered medicament dose,
- wherein said sensor comprises an emitter to emit electromagnetic radiation and a detector to detect the electromagnetic radiation emitted by the emitter, the emitter being arranged to emit the electromagnetic radiation such that it is interfered with by a metered dose of the medicament being dispensed from the container through the outlet whereby the sensor is able to detect said dispensing of the metered medicament dose.
7 more elements
Dependencies are inferred from the claim text.