VASCULAR ACCESS DEVICE AND METHOD
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United States of America Patent
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Issued Date -
Jan 31, 2008
app pub date -
Jul 31, 2007
filing date -
Jul 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A vascular access device capable of provided entry into a blood vessel with minimal trauma and a minimal number of steps is disclosed. In one embodiment, the device utilizes 21-guage needle to install a guide wire that is 0.018 inch in diameter. A 5-8 French outer sheath and inner cannula are closely dimensioned to the guide wire to improve tracking along the guide wire. The inner cannula may also have an annular recess at a tapered distal end. An annular protrusion is then provided on the distal tip of the outer sheath. The annular protrusion seats in the annular recess to provide a smooth exterior surface.
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