Non-reusable syringe assembly
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United States of America Patent
Stats
-
Oct 22, 1991
Grant Date -
N/A
app pub date -
May 15, 1989
filing date -
May 15, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A non-reusable syringe is made up of a hollow barrel with a hypodermic needle in communication with one end of the barrel, and a plunger assembly including a plunger movable in tight-fitting engagement through the interior of the barrel and a plunger shaft which extends axially away from the plunger and is releasably connected to one end of the plunger in such a way that relative rotation of the shaft with respect to the plunger in one direction will cause separation of the shaft from the plunger but reverse rotation will maintain the shaft and plunger in connected relation. A nut or keeper is positioned at the opposite end of the barrel to impart rotation to the shaft in response to axial movement of the shaft through the barrel.
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Family
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Cited Art Landscape
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