Apparatus and methods for treating stroke and controlling cerebral flow characteristics
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United States of America Patent
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Jun 7, 2005
Grant Date -
Feb 27, 2003
app pub date -
Oct 4, 2001
filing date -
Aug 22, 2001
priority date (Note) -
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Abstract
Apparatus and methods for treatment of stroke are provided. In a preferred embodiment, the present invention disposes at least one catheter having a distal occlusive member in either the common carotid artery (CCA) or both the vertebral artery (VA) and the CCA on the hemisphere of the cerebral occlusion. Blood flow in the opposing carotid and/or vertebral arteries may be inhibited. Retrograde or antegrade flow may be provided through either catheter independently to effectively control cerebral flow characteristics. Under such controlled flow conditions, a thrombectomy device may be used to treat the occlusion, and any emboli generated are directed into the catheter(s).
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