Catheter system for intracranial treatment
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United States of America Patent
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Dec 16, 2008
Grant Date -
Apr 13, 2006
app pub date -
Oct 28, 2005
filing date -
Apr 25, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A catheter system is provided having an outer catheter and at least one inner catheter chosen from a plurality of different inner catheters for delivery of a treatment agent to a selected tissue region of the brain. The outer catheter has a lumen in communication with an opening and at least one aperture. Each inner catheter is sized to be received within the lumen and has a passageway and at least one port in communication with that passageway. The system preferably has inner catheters having different lengths and/or passageways with different diameters. The outer catheter can include an element that monitors brain activity. The outer catheter can also have an inflatable balloon proximal to an element. A method of delivering a treatment agent, preferably a drug, to a select tissue region of a targeted area of the brain for intracranial treatment of a patient is also disclosed.
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