Patent ID: 6224612
Filing Date: 2001-05-01
Classification: A61B,Y10T

Abstract:
A medical retrieval device, comprising:a sheath having a proximal end and a distal end;a handle at the proximal end of the sheath; anda basket for removing material from a body, the basket having a collapsed position where the basket is enclosed within the sheath, and an expanded position where the basket extends from the distal end of the sheath, the basket comprising two or more pairs of basket legs, each pair of basket legs formed from a single wire loop, each wire loop comprising a protrusion at an apex of said wire loop where said wire loops intersect at a distal basket end, wherein said protrusions have a convex surface and a concave surface, said convex surface of one basket wire protrusion being unsecured to said concave surface of said intersecting basket wire protrusion.