FLUID DELIVERY DEVICE WITH TEMPERATURE CONTROLLED ENERGY SOURCE

Title:

FLUID DELIVERY DEVICE WITH TEMPERATURE CONTROLLED ENERGY SOURCE

Document Type and Number:

WIPO Patent Application WO2001017580

Kind Code:

A3

Abstract:

A delivery device for the administration of nutrients, drugs, vitamins, trace elements and the like to a ruminant (40). The embodiment of the invention comprises a generally egg-shaped husing (41) which includes a base assembly (42). The device embodies a thermal expanding polymer material which, when heated by the animal's body heat functions as an internal energy source for controllably expelling the beneficial agents from the device over extended period of time of up to 200 days. The device is of a size and shape that can be introduced into the ruminant via the esophagus and is of a density such that the device will be retained within the retriculo-rumen of the animal for the effective controlled release of the beneficial agents to the animal.

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Inventors:

KRIESEL MARSHALL S
THOMPSON THOMAS N

Application Number:

PCT/US2000/023674

Publication Date:

January 31, 2002

Filing Date:

August 29, 2000

Export Citation:

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Assignee:

SCIENCE INC (US)

International Classes:

A61M37/00; A61K9/00; A61M5/145; A61M31/00; A61M5/142; (IPC1-7): A61M37/00

Foreign References:

US5840071A	1998-11-24
US5779676A	1998-07-14
US5545139A	1996-08-13
US5354278A	1994-10-11

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