Patent ID: 7645283
Filing Date: 2010-01-12
Classification: A61B

Abstract:
1. A medical device, comprising: a sheath comprising a proximal end and a distal end; a handle at the proximal end of the sheath; and a basket having a collapsed position when the basket is within the sheath and collapsed and an expanded position when the basket is positioned beyond the distal end of the sheath and expanded, the basket comprising a plurality of wires, a proximal end, and a distal end where the distal ends of the plurality of wires are joined at a joint configured to fail when a first predetermined force is applied to the joint, the distal ends of the plurality of wires releasing from each other when the joint fails, the first predetermined force being less than both a force required to cause one of the plurality of wires to fail and a force required to cause the proximal end of the basket to fail; wherein the basket distal end comprises a tip member, and the tip member releases from the plurality of wires when the joint fails.