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Patent Searching and Data


Title:
VALVE FOR OSMOTIC DEVICES
Document Type and Number:
WIPO Patent Application WO2001045675
Kind Code:
A8
Abstract:
An osmotic delivery system for controlled delivery of a beneficial agent includes an implant capsule having a beneficial agent reservoir, an osmotic agent which expands on contact with fluid imbibed through a permeable membrane retained by the implant capsule, a delivery port, and a valve for opening and closing the delivery port. When the osmotic agent expands, a pressure is exerted against a separating member positioned between the beneficial agent reservoir and the osmotic agent. The separating member moves within the capsule, thereby forcing the valve to move a distance such that the beneficial agent can exit the reservoir through the delivery port.

Inventors:
CARR JOHN P
ECKENHOFF JAMES B DI
Application Number:
PCT/US2000/034314
Publication Date:
May 22, 2003
Filing Date:
December 13, 2000
Export Citation:
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Assignee:
ALZA CORP (US)
International Classes:
A61K9/00; A61K9/22; A61K9/52; (IPC1-7): A61K9/22
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