Patent ID: 7678119
Filing Date: 2010-03-16
Classification: A61B

Abstract:
1. A medical retrieval device, comprising: a sheath including 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 three or more legs, at least one leg comprising a frangible portion wherein the at least one leg breaks upon application of a predetermined force to the basket, the distal portions of the three or more legs being a single integral piece of material, and the frangible portion including a plurality of separate points of structural weakness at a distal end of the basket, the separate points being weaker than portions adjacent to the separate points at the distal end of the basket.