Patent ID: 8007502

Claim:
A medical device comprising: a proximal handle; a sheath extending distally from the handle end having a lumen; an engaging assembly that consists essentially of a single layer and a plurality of legs for engaging material within a body; and an elongate member connected to the engaging assembly and extending proximally from the engaging assembly within the lumen of the sheath, the engaging assembly and sheath movable relative to each other to achieve a first state of the engaging assembly when the engaging assembly is within the lumen of the sheath and a second state of the engaging assembly when the engaging assembly extends from a distal end of the sheath, wherein the plurality of legs each have a proximal end directly joined to the elongate member and a distal end permanently secured to a corner of the layer, wherein the layer is a laser resistant fabric consisting essentially of plastics, wherein the distal ends of the plurality of legs are separated and interconnected by only the laser resistant fabric, and wherein the laser resistant fabric is directly secured to only the plurality of legs.