Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1985-09-12
1987-03-31
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
046540350
ABSTRACT:
An injector such as a hypodermic syringe and the like is improved in that an amount of injection each time thereof is mechanically determined by provisions of a stopper disconnectably attached to the barrel of the plunger and a plurality of convex/concave portions provided integrally on the outer surface of the plunger and cooperating with the stopper so that the stopper acts as a limiter for an advancing movement of the plunger in the cylinder of the injector to determine the amount of each injection of the injector.
REFERENCES:
patent: 4246898 (1981-01-01), Travalent et al.
patent: 4444335 (1984-04-01), Wood et al.
Mitsubishi Pencil Co. Ltd.
Yasko John D.
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