Catheter device with needle guard
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United States of America Patent
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Jan 5, 2016
Issued Date -
N/A
app pub date -
Feb 28, 2014
filing date -
Jul 15, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a catheter device comprising a catheter hub in which a valve member is disposed, a needle fixed in a needle hub, the needle extending through the valve member in the catheter hub in a ready position, and a tubular receptacle in which the needle hub is displaceably guided and biased by a spring in a proximal direction relative to the receptacle, wherein the needle hub is releasably held in the ready position in the receptacle against the force of the spring by frictional force between needle circumference and catheter or catheter hub, which frictional force is reduced on retraction of the needle through the catheter hub such that the force of the spring prevails.
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