MEDICAMENT DISPENSER
First Claim
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1. 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 dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet;
the dispenser further comprising;
(iii) an electronic doses 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.
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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.
52 Citations
25 Claims
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1. A metered dose inhaler for dispensing metered doses of a medicament comprising:
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(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 dispensing means actuable to cause, in use, dispensing of a metered dose of the medicament from the container through the outlet;
the dispenser further comprising;
(iii) an electronic doses 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification