By contrast, {TAIL ~ the devices} of {HEAD ~ the present invention} generally include an arterial atherectomy catheter having suction means or a mechanical trapping device which acts to draw in and secure a mobile plaque 
By contrast , { TAIL ~ the devices } of { HEAD ~ the present invention } generally include an arterial atherectomy catheter having suction means or a mechanical trapping device which acts to draw in and secure a mobile plaque
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