INJECTION DEVICE COMPRISING AN IMPROVED DELIVERY ELEMENT
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United States of America Patent
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app pub date -
Aug 8, 2014
filing date -
Sep 15, 2006
priority date (Note) -
Abandoned
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Abstract
An injection device having a delivery element with an inner thread may be driven by rotation and includes a cylindrical outer wall region, which is substantially smooth. Such features provide a delivery element configured such that it is less intimidating to patients than known threaded rods, and may facilitate easy cleaning. The delivery element may be non-rotatably guided and axially spring-loaded, and may be inserted axially into the housing when the reservoir is replaced. The driving thread element for the delivery element may be mounted in the vicinity of the distal end of the housing.
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