Systems and methods for needle and catheter advancement
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United States of America Patent
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Oct 10, 2017
Issued Date -
N/A
app pub date -
Jan 29, 2014
filing date -
Feb 5, 2013
priority date (Note) -
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Abstract
Intravenous access is achieved by introducing a catheter over an access needle which is initially present in the catheter. A tapered dilating element is positioned over the needle and provides a transition between the needle and a larger catheter lumen. The access needle is hollow and has a port which allows blood to flash back through a lumen of the catheter so that flashback can be observed on a catheter hub or the catheter itself.
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