Patent ID: 6096053
Filing Date: 2000-08-01
Classification: A61B

Abstract:
A device for retrieving material from a body, comprising:a sheath including a lumen extending therethrough and a distal end; anda basket comprising at least two legs, said basket having a collapsed position in which the basket is collapsed within the lumen of the sheath and another position in which the basket is located beyond the distal end of the sheath and expanded, the basket comprising a first portion and a second portion with said at least two legs extending from the first portion to the second portion, the basket further comprising an intermediate portion positioned between the first and second portions in which said at least two legs are spirally arranged, substantially parallel, and non-intersecting, the intermediate portion of the basket being displaced radially outward relative to the first and second portions when the basket is in the other position; and,an elongated member extending within the lumen of the sheath and operably attached to the basket such that relative movements between the elongated member and sheath results in the basket transitioning between the collapsed position and another position in which the basket is extended beyond the distal end of the sheath.