Patent ID: 7824415

Claim:
A medical device, comprising: a handle; a sheath joined to the handle, the sheath comprising a lumen; a retrieval basket comprising a proximal end, a distal end, and a plurality of legs, each of the plurality of legs being a continuous loop from a first end to a second end and having an intermediate portion, wherein the first and second ends of the plurality of legs are located at the proximal end of the retrieval basket and the intermediate portion of each of the plurality of legs is located between the first and second ends of the leg, the intermediate portion being positioned at the distal end of the retrieval basket, the retrieval basket achieving a collapsed position when restrained in the lumen of the sheath and an expanded position when unrestrained by the lumen of the sheath; and a retainer coupled to the distal end of the retrieval basket to secure at least the intermediate portion of one of the plurality of legs to the intermediate portion of another of the plurality of legs, wherein the intermediate portion of each of the plurality of legs includes a notch, wherein at least the intermediate portion of one of the plurality of legs crosses over the intermediate portion of another of the plurality of legs within the retainer, wherein the retainer comprises a plurality of tubes having a substantially constant outer diameter and each defining a hollow passageway, wherein an inner surface of each hollow passageway attaches to the notch of a corresponding one of the plurality of legs, and wherein the hollow passageway of one of the plurality of tubes intersects the hollow passageway of another of the plurality of tubes.