Applicators

Details Applicators Applicators

A - Human Necessities

61

D

119/75

A61D 7/00 (2006.01) A61M 5/20 (2006.01)

Patent

CA 1192799

ABSTRACT OF DISCLOSURE The subject matter relates to an applicator for applying matter to be applied, such as vaccine, to animals. The applicator includes an applicator head which incorporates a chamber and needle. The needle is at least partially surrounded by a generally elongate proboscis which is so adapted for axial movement over the needle and relative to the chamber. Valve means are provided between the needle and the chamber and are operable to provide communication therebetween. The proboscis is so mounted relative to the needle and chamber, that predetermined axial movement of the proboscis, rearwardly over the needle and relative to the chamber, by application of pressure to the forward end of the proboscis, at least partially exposes the other or forward end of the needle. The valve means between the chamber and needle is thereafter operable so as to permit passage of matter to be applied from the chamber through the needle. Means are provided to cause the matter to pass from the chamber through the needle.

415329

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