Tip Cap and an Injection Device Having a Distal Tip Sealed by a Tip Cap
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United States of America Patent
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Issued Date -
Jun 2, 2016
app pub date -
Jul 18, 2014
filing date -
Jul 18, 2014
priority date (Note) -
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Abstract
A tip cap includes a closed distal end portion having a transverse proximal surface, a peripheral skirt extending in the proximal direction from said proximal surface and having an inner surface designed to cooperate with the outer surface of the injection device tip, a nipple protruding from said proximal surface and designed to engage the injection device tip. The inner cavity of the tip cap is such that the outer fillet has a radius of curvature ranging from 0.4 to 0.6 mm, the inner fillet has a radius of curvature ranging from 0.25 to 0.35 mm, the nipple base width ranges from 1.4 to 1.6 mm, and the dome-shaped proximal portion of the nipple has a radius of curvature ranging from 0.55 to 0.70 mm.
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