PREFILLED SYRINGE
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Sep 26, 2013
filing date -
Sep 26, 2012
priority date (Note) -
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Abstract
A prefilled syringe includes a syringe cylinder (2), which has an open axial side, closed by a plunger, and another side closed by a Luer lock connection (4), molded on an end wall. A flowable medium (8) fills the syringe cylinder (2), a soft-elastic stopper (9) closes at least the Luer (5), and a tamper-evident closure (15) surrounds the outside of the stopper (9) and which has a predetermined breaking point. The syringe cylinder (2), the end wall (3), and the Luer lock connection (4) are formed as a single piece in the form of a transparent injection-molded plastic part. The tamper-evident closure (15) includes the same or a similar plastic as the syringe cylinder (2) and is welded to the end wall (3) of the syringe cylinder (2). The welding connection forms the predetermined breaking point, and the stopper (9) is integrated into the tamper-evident closure (15).
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