Intra-ruminal device for delivering drugs
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United States of America Patent
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Nov 10, 1992
Issued Date -
N/A
app pub date -
Nov 18, 1991
filing date -
Dec 13, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An intraruminal device for controlled release of a drug formulation in the rumen of an animal, comprises an open-ended tube for containing the drug formulation, a piston adapted to travel longitudinally within the tube and biased so as to deliver the drug formulation through the open end of the tube. Travelling with the piston is an associated weight adapted to retain the device within the rumen during delivery of the drug formulation.
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