A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
119/78
A61M 37/00 (2006.01) A61K 9/00 (2006.01) A61M 31/00 (2006.01)
Patent
CA 1330744
ABSTRACT OF THE DISCLOSURE Disclosed is a device for administration of veterinary preparations for ruminant animals, such as cattle and sheep. The device comprises a sheet of flexible material containing a medicament and capable of slow release of the medicament within the rumen. The sheet is rolled or folded into a tube configura- tion and constrained in that configuration by means releasable on contact with rumen fluid so that the sheet may unroll or unfold after insertion in the rumen and remain there. The ends of the tube formed by the sheet are provided with closing means allowing the unrolling or unfolding of the sheet in the rumen. The closing means keeps the tube ends closed during the administration of the device to the animal and passage into the rumen. The closing means may be plugs extending into the ends of the tube and engaging the inner surface of the tube. Thanks to the closing means, there is little or no risk of the device becoming impacted while it passes through the oesophagus.
604530
Grimshaw William Thomson Ross
Weatherly Andrew John
Pfizer Inc.
Smart & Biggar
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