| abstract |
Abstract: A catheter (32), a torque member (52) extending longitudinally through a lumen (50) of the catheter (32), secured to a distal end of the torque member (52). A system is provided having a removal mechanism (54) and a guidewire (46) with a guide portion (200) extending through a lumen of the removal mechanism (54). The guide portion (200) defines a curvilinear profile, which is diametrically larger than the dimensions of the removal mechanism (54). The guide portion (200) of the guidewire (46) is adapted to be positioned inside the occluding material passageway, providing a curved path along and along the inside of the occluding material passageway. , The removal mechanism (54) can be advanced to separate and remove the occluding material. Methods of using this system, and of manufacturing a guidewire (46) and perfusion wire system are also disclosed. |