Patent ID: 6682546
Filing Date: 2004-01-27
Classification: A61B,A61F,B21F,D04C,D10B,Y10S

Abstract:
A medical device for placement in a tubular vessel in a patient's body, the medical device comprising a fabric of a plurality of woven metal strands of a shape memory alloy having a preset, generally conical, expanded configuration and a collapsed configuration enabling passage of the medical device through a catheter into the tubular vessel, said plurality of woven metal strands having a first orientation with respect to one another and treated to conform in shape to said generally conical expanded configuration of the medical device when released from said collapsed configuration when in said catheter, said plurality of stands each with a proximal end and a distal end wherein one of the proximal end and distal end of each of the strands is secured at a common end point and the other of the proximal end and distal end of each of the strands is affixed to one other strand at a point of intersection therebetween and where the pitch and the pick of the woven metal strands are such that blood may readily pass through the fabric when the medical device is in said expanded configuration while a thrombus becomes lodged therein.