Dry powder inhalation device having deagglomeration/aerosolization structure responsive to patient inhalation
First Claim
1. A dry powder inhaler comprising a housing defining a chamber for receiving a dose of powdered medicament in communication with a patient port in the form of a mouthpiece or nasal adapter, the inhaler additionally comprising:
- deagglomeration/aerosolisation means to deagglomerate and/or assist aerosolization of a dose of powdered medicament, which means is operable by a patient-independent energy output source,detection means to detect patient inspiration through the patient port, and,control means to actuate said deagglomeration/aerosolisation means in response to detection of patient inspiration by said detection means.
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Abstract
An inhalation device for dry powder containing a chamber capable of receiving a dose of powdered medicament. The chamber is in communication with a patient port in the form of a mouthpiece or nasal adapter. The inhalation device also contains a deagglomeration/aerosolization apparatus capable of deagglomerating and/or aerosolizing a dose of powdered medicament and is operable by a patient-independent energy output source. The inhalation device further includes detection apparatus that ascertains patient inspiration through the patient port, and a control apparatus that actuates the deagglomeration/aerosolization apparatus in response to detection of patient inspiration.
367 Citations
15 Claims
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1. A dry powder inhaler comprising a housing defining a chamber for receiving a dose of powdered medicament in communication with a patient port in the form of a mouthpiece or nasal adapter, the inhaler additionally comprising:
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deagglomeration/aerosolisation means to deagglomerate and/or assist aerosolization of a dose of powdered medicament, which means is operable by a patient-independent energy output source, detection means to detect patient inspiration through the patient port, and, control means to actuate said deagglomeration/aerosolisation means in response to detection of patient inspiration by said detection means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification