NEEDLES AND RELATED ASSEMBLIES AND METHODS
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United States of America Patent
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Issued Date -
May 4, 2017
app pub date -
Aug 26, 2016
filing date -
Nov 4, 2015
priority date (Note) -
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Abstract
Needles include a cannula defining a bore within the cannula, a distal opening of the bore of the cannula, and one or more of at least one protrusion or an enlarged rounded surface on a proximal surface of the needle proximate the distal opening and at least one chamfered surface positioned proximate a tip of the cannula. Methods include forming at least one protrusion on a distal portion of a needle bordering a distal opening of the needle.
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