Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 4, 2013
Patent Application Number
13292716
Date Filed
November 9, 2011
Patent Citations Received
Patent Primary Examiner
Patent abstract
An angioplasty catheter includes a catheter body having a balloon or other radially expandable shell at its distal end. A non-axial external structure is carried over the shell and scores a stenosed region in a blood vessel when the balloon is inflated therein. The catheter has an attachment structure disposed between the catheter body and the balloon to accommodate foreshortening and rotation of the external structure as the balloon is expanded. The external structure may be part of a helical cage structure which floats over the balloon.
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