Patent ID: 8512351

Claim:
A medical device comprising: a sheath having a proximal end, a distal end, and a lumen extending longitudinally between the proximal and distal ends; an elongate member extending within the lumen of the sheath and moveable relative to the sheath; and a retrieval assembly, a proximal end of the retrieval assembly connected to a distal region of the elongate member, retractable within and extendable from the lumen of the sheath, and having a plurality of legs comprising at least a first leg, a second leg, and a third leg, wherein a proximal end of the first leg is selectively disconnectable from a portion of the retrieval assembly in direct response to movement of the elongate member relative to the sheath, wherein at least the second and third leg does not disconnect from the portion of the retrieval assembly in direct response to movement of the elongate member relative to the sheath; and wherein a distal end of each of the plurality of legs is connected to each other at a tip.