Compressible syringe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2001
Grant Date -
N/A
app pub date -
Sep 8, 1997
filing date -
Sep 8, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compressible syringe including a bellows, the rearward frusto-conical bellows walls are thicker than the forward frusto-conical bellows walls, the walls converge in an apex with the rearward frusto-conical wall at a first included angle with respect to a plane perpendicular to the longitudinal axis of the syringe and intersecting the apex and with the forward frusto-conical wall being at a second included angle with respect to the plane and with the first included angle being greater than the second included angle, the bellows rings increase in diameter successively from the rearward to the forward portion of the syringe and a fracture closure seal formed integrally with the syringe nozzle is provided and is connected to the syringe body by an elongate pliable tether.
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