Systems and methods for navigating an instrument through bone
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United States of America Patent
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Apr 16, 2013
Grant Date -
Apr 15, 2010
app pub date -
Sep 25, 2009
filing date -
Sep 26, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
System and methods are shown having a tube-within-tube assembly with a deployable curved deflectable tube or cannula that deploys from a straight cannula or trocar. The curved cannula has pre-curved distal end to create an angular range of 0° to 180° when fully deployed from the straight trocar. The curve is configured such that the flexible element carrying a treatment device can navigate through the angular range of deployment of the curved cannula. The curved cannula allows the flexible element to navigate through a curve within bone without veering off towards an unintended direction.
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