Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1985-07-30
1988-01-05
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
A61M 500
Patent
active
047173831
ABSTRACT:
A rumen injector to inject a predetermined volume of medication into an animal, said injector having a body with a handle gripped by the user, a cylinder fixed to the body, a piston movably associated with the cylinder so as to define a variable volume space, a needle communicating with said space, and wherein said piston is movable to a cocked position where it is retained until automatically released upon said needle being inserted into the animal a predetermined distance.
REFERENCES:
patent: 3797489 (1974-03-01), Sarnoff
patent: 4403989 (1983-09-01), Christensen et al.
patent: 4482348 (1984-11-01), Dent
Bunyan Glen W.
Lodge Robert H.
Phillips Ian R.
Horwitz Lester
N.J. Phillips Pty. Limited
Yasko John D.
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