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Details for Patent: 4,627,432

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Summary for Patent: 4,627,432

Title: Devices for administering medicaments to patients
Abstract:A device for administering medicaments to patients comprises a housing containing a cylindrical chamber. A support is arranged inside the chamber to support a carrier, such as a blister pack. The blister pack has a plurality of containers or blisters arranged in a circle. When a blister pack is located on the support its blisters are located in holes in the support member. A plunger is arranged to enter the chamber through a hole to engage and open a blister registered with it. When the blister is opened, medicament can be withdrawn by a patient inhaling through a mouthpiece. An external member is provided to rotate the support member to register the blister with the plunger in turn. Air can conveniently enter the chamber through a hole in a cover which is removable to permit blister packs to be loaded into the chamber onto the support member.
Inventor(s): Newell; Robert E. (Pinner, GB2), Fitzsimmons; Robert A. (Egglestone, GB2)
Assignee: Glaxo Group Limited (London, GB2)
Application Number:06/540,203
Patent Claim Types:
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Composition; Device; Use;

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Foreign Priority and PCT Information for Patent: 4,627,432

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8228887Oct 08, 1982
United Kingdom8314307May 24, 1983

International Patent Family for Patent: 4,627,432

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria396333► subscribe
AustriaA357683► subscribe
Australia1997783► 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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