Patent ID: 6485456
Filing Date: 2002-11-26
Classification: A61B,A61M

Abstract:
A device for capturing particles flowing through a vessel or vessel like-structure, the device comprising:a catheter for insertion into the vessel, the catheter having a suction lumen; a plurality of flexible struts having a first end connected to the catheter and a second end connected to a guidewire, the struts having a contracted position wherein the struts are helically twisted around the catheter and an expanded position wherein the struts extend arcuately outward from the catheter; a membrane connected to the plurality of flexible struts to define a trap; and an actuation mechanism coupling the guidewire to the catheter for causing a combined rotation and longitudinal motion of the guidewire wherein the suction lumen has a distal aperture and at least one suction aperture located on a peripheral wall thereof, the apertures are being located within the trap to allow removal of material therein.