Devices and methods for preventing distal embolization using flow reversal and perfusion augmentation within the cerebral vasculature
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United States of America Patent
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Mar 20, 2012
Grant Date -
Apr 29, 2010
app pub date -
Dec 16, 2009
filing date -
May 1, 2001
priority date (Note) -
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Abstract
Methods of using a medical device having catheter with one or more expandable constricting/occluding members for preventing distal embolization during extracranial or intracranial carotid procedures or vertebral artery procedures by augmenting collateral cerebral circulation by coarctation of the aorta to enhance reversal of blood flow in an internal carotid artery, an external carotid artery, and/or a common carotid artery toward the subclavian artery are disclosed. An interventional catheter can also be advanced into a left cerebral artery and a procedure performed on a lesion in the left cerebral artery.
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