Patent ID: 6350266
Filing Date: 2002-02-26
Classification: A61B

Abstract:
A medical instrument, comprising:a proximal handle; a sheath extending from the handle and including a lumen, the sheath including a distal end away from the handle; a retrieval assembly comprising a plurality of legs, at least one of the legs comprising a proximal portion and a distal portion and a joint for connecting the proximal and distal portions, the proximal portion comprising a first material, the distal portion comprising a second material that is different than the first material, the retrieval assembly and sheath moveable relative to each other to achieve a collapsed position of the retrieval assembly in which the retrieval assembly is within the lumen of the sheath and another position of the retrieval assembly in which at least a portion of the retrieval assembly extends from the distal end of the sheath and assumes a three-dimensioned shape out of the lumen of the sheath.