Patent ID: 7018385

Claim:
A medical retrieval device, comprising: a proximal handle; a sheath including a proximal portion, a distal end, and a lumen, the sheath extending distally from the handle; and a basket, the basket and the sheath moveable relative to each other to achieve a retracted position in which the basket is collapsed within the lumen of the sheath, and a deployed position in which the basket extends from the distal end of the sheath, the basket comprising at least three wires, the wires joined at a distal end of the basket for capturing material when in the deployed position, and for holding material when the basket is at least partially collapsed in the sheath, at least one of the wires comprising an inner surface and a curved outer surface, wherein a cross-section of the at least one wire is substantially trapezoidal, and wherein the basket is non-helix shaped.