Patent ID: 6245042
Filing Date: 2001-06-12
Classification: A61K,A61M

Abstract:
A device for administering beneficial agents to a ruminant at a controlled rate comprising:(a) a housing;(b) distendable means for forming, in conjunction with said housing, a reservoir having an inlet and an outlet, said distendable means comprising at least one distendable membrane, at least one portion of which is movable within said housing from a first position to a second position;(c) heat expandable means disposed within said housing in proximity to said distendable membrane, said heat expandable means comprising a semi-solid, which, upon being heated, will act upon said distendable membrane to move said membrane toward said second position to cause fluid within said reservoir to flow outwardly of said outlet of said reservoir; and(d) delivery means in communication with said outlet of said reservoir for delivering the beneficial agent from said reservoir to the ruminant.