Optimized intracranial catheters for convection-enhanced delivery of therapeutics
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United States of America Patent
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Aug 2, 2016
Grant Date -
Feb 16, 2012
app pub date -
Jan 11, 2010
filing date -
Jan 12, 2009
priority date (Note) -
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Abstract
A primable catheter including a thermoreactive, viscoelastic material that is internally supported with a trocar wire. The primable catheter further includes a multi-chamfered tip and a gap interposed between an inner surface of the catheter and the outer surface of the trocar, such that a priming fluid is permitted to flow through the catheter and purge air trapped between the trocar and the inner surface of the catheter. Following insertion of the catheter, the trocar is removed and a therapeutic is infused via the catheter.
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