METHODS AND DEVICES FOR MAINTAINING AN OPEN PATHWAY IN A VESSEL
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United States of America Patent
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Issued Date -
Jan 12, 2017
app pub date -
Jun 30, 2016
filing date -
Jul 7, 2015
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Abstract
Medical devices and methods are disclosed in the present application. In one illustrative example a medical device may comprise a catheter shaft extending from a proximal end to a distal end and the catheter shaft may include a plurality of catheter shaft lumens extending through at least a portion of the catheter shaft. The device may further include a first balloon member defining a first lumen in fluid communication with a first one of the plurality of catheter shaft lumens and a second balloon member defining a second lumen in fluid communication with a second one of the plurality of catheter shaft lumens. In some embodiments, the second balloon member may be disposed around the first balloon member and comprise a plurality of ports and a first raised portion and a second raised portion.
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