Patent ID: 8388635
Filing Date: 2013-03-05
Classification: A61B

Abstract:
1. A catheter for excavating at least one occluding object from a tubular organ, comprising: a sheath portion which (i) has a first elongated lumen provided therein, and (ii) is insertable into the tubular organ inside a body; an insertion member which (i) has a second elongated lumen provided therein, and (ii) is arranged free, slidably, and rotatably with respect to the first elongated lumen of the sheath portion; and a removal mechanism configured to remove the at least one occluding object of the tubular organ, wherein the removal mechanism includes a support portion arranged at a distal portion of the insertion member and a plurality of rotating arrangements (i) provided at the support portion and (ii) having at least one blade edge configured to excavate the at least one occluding object, and at least one of the plurality of rotating arrangements has an axis of rotation that intersects an axis of extension of the insertion member.