Active stylet safety shield
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United States of America Patent
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Jan 22, 2013
Grant Date -
May 7, 2009
app pub date -
Nov 1, 2007
filing date -
Nov 1, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A bone needle assembly has a cannula and a stylet including a shaft received in a cannula shaft. A stylet safety shield is carried by the stylet to cover a sharp tip of the stylet shaft when removed from the cannula shaft after the bone is penetrated. The stylet includes a shield release device that moves the shield somewhat out of a handle member of the stylet when the stylet is released from the cannula, so that the safety shield can be more easily grasped.
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