Zoo-technical drug delivery device
AssigneeIntervet Inc.
InventorsWouter De Graaff, Marc-Antoine Driancourt, Raymond Zeeman
Life of this patent
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Abstract
The present invention relates to a veterinary zoo-technical drug delivery system (device) for the simultaneous release of two or more active substances, which system releases the active substances in a substantially constant ratio over a prolonged period of time. The drug delivery system can be in different forms, such as e.g. an implant, or a intravaginal device such as a helical coil, a spring or a ring.
Claims16
A zoo-technical drug delivery system which comprises (i) a medicated thermoplastic polymer core layer, (ii) a medicated thermoplastic polymer intermediate layer and (iii) a non-medicated thermoplastic polymer skin covering the intermediate layer, wherein said core layer is loaded with crystals of a first zoo-technical active compound, and wherein said intermediate layer is loaded with crystals of a second active compound.
Dependencies are inferred from the claim text.