Delivery Device
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United States of America Patent
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Issued Date -
Aug 31, 2017
app pub date -
Feb 29, 2016
filing date -
Feb 29, 2016
priority date (Note) -
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Abstract
A drive mechanism for a delivery device comprising a rotator comprising an outer surface and an inner surface, the rotator configured to rotate from a first position to a second position; and a needle cover comprising an inner surface that engages the outer surface of the rotator. An end of injection indication device is positioned at least partially within a plunger rod spring, the end of injection indication device providing a signal to a user of the drive mechanism that an injection has been completed.
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