Angioplasty device

A device for capturing particles flowing through a vessel or a similar to a glass structure, the device comprising: a catheter (26) for insertion into the vessel, the catheter having a longitudinal lumen therein; a plurality of flexible struts (49) having a first end connected to the catheter and a second end connected to a guide (44) wire extending through the longitudinal lumen, having braces a contracted position wherein the struts are twisted helically around the catheter and an expanded position in which the struts extend arcuately outward from the catheter; a membrane (56) connected to a plurality of flexible struts to define a trap; It characterized in that the device further comprises a drive mechanism (80) coupling the guidewire to the catheter to create a combined rotary and longitudinal movement of the guidewire.