SYRINGE AND MOUNTING FIXTURE
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United States of America Patent
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app pub date -
Oct 22, 2014
filing date -
Apr 24, 2012
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Abstract
Provided are a syringe and a mounting fixture by which it can be facilitated to perform delivery of a target amount of a liquid selectively only when necessary. A syringe is provided with: an external cylinder which is fillable with a liquid; a plunger which is translatable within the external cylinder along the longitudinal direction of the external cylinder and which is formed with a plurality of concave portions and convex portions aligned in the longitudinal direction; and an annular mounting fixture which is mountable to the external cylinder. The mounting fixture is provided with: protruding portions which contact at least the convex portions sequentially in a slidable manner as the plunger is translated; and a rotation limiting member which contacts the plunger to limit a rotation of the plunger relative to the external cylinder.
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