| 摘要 |
A medical retrieval device includes a basket formed of two or more legs. The basket may be used to retrieve material (e.g., a urinary stone) from a body. The basket opens and closes for encapsulation of a stone. A captured stone may be released from the basket with the basket still in the body by opening the legs. The baskets exhibit shapes and configurations designed to optimize the characteristics of flexibility, ease of material capture, and ease of material release.
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