Patent ID: 7553314
Filing Date: 2009-06-30
Classification: A61B

Abstract:
1. A retrieval basket for entrapping and retaining an object located in a body for its extraction therefrom, the basket comprising a structure having a proximal end and a distal end, said retrieval basket being constituted by a plurality of filaments extending from the proximal end towards the distal end, said filaments are made of a material that imparts structural rigidity and dilatation abilities to the basket when the basket is opened, wherein said filaments are bound together in the vicinity of the proximal end to define a plurality of strands each having a plurality of filaments, said plurality of strands have branching points in which they ramify into loops having various shapes and sizes, at least a part of the loops are interlaced at spaced points so as to define a net at least in the vicinity of, and spaced from, the distal end.