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Details for Patent: 7,143,764

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Patent 7,143,764 protects PULMICORT FLEXHALER and is included in one NDA.

This patent has sixteen patent family members in fifteen countries.

Summary for Patent: 7,143,764

Title:Inhalation device
Abstract:A powder inhaler for administering powder by inhalation which includes: an inhaler body having an opening therein; an inhalation unit disposed in the inhaler body, the inhalation unit including an inhalation channel through which powder is in use inhaled; a dosing unit for providing a dose of powder to the inhalation channel disposed in the inhaler body so as to be rotatable about the central axis thereof, wherein the dosing unit includes a central shaft which is co-axial with the central axis of the inhaler body and has a spiral groove or protrusion on the end face thereof; and an indicating wheel for providing an indication as to the usage of the inhaler disposed in the inhaler body, the indicating wheel having a toothed periphery for engaging the spiral groove or protrusion on the shaft and being disposed such that at least a part thereof is visible through the opening and so as to be rotatable within a diametrical plane containing the central axis of the inhaler body. One side surface of the indicating wheel includes at least one indication which is representative of the usage of the inhaler. In addition, the inhaler body includes a recess in which the opening is provided. The opening allows at least a part of the one side surface of the indicating wheel to be viewed.
Inventor(s): Dagsland; Allan (Karlshamn, SE), Virtanen; Risto (Nurmijarvi, FI)
Assignee: AstraZeneca AB (Sodertalje, SE)
Application Number:09/068,374
Patent Claim Types:
see list of patent claims
Delivery;
Patent Metrics:
Source: PatentQuant.com
Field: Medical technology
Back Citations: 12th percentile
Forward Citations: 12th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Astrazeneca
PULMICORT FLEXHALER
budesonide
POWDER, METERED;INHALATION021949-001Jul 12, 2006RXNo7,143,764► subscribeY
Astrazeneca
PULMICORT FLEXHALER
budesonide
POWDER, METERED;INHALATION021949-002Jul 12, 2006RXYes7,143,764► subscribeY
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International Patent Family for Patent: 7,143,764

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria242651► subscribe
Australia6430598► subscribe
Australia723803► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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