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Medical retrieval basket

  • US 5,057,114 A
  • Filed: 09/18/1990
  • Issued: 10/15/1991
  • Est. Priority Date: 09/18/1990
  • Status: Expired due to Term
First Claim
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1. A medical retrieval basket comprising:

  • a first elongated member having a proximal end, a distal end, and a first hollow passageway longitudinally positioned therebetween;

    a first superelastic metallic alloy wire having first and second ends extending through said first hollow passageway and fixedly positioned about said proximal end of said first member, said first wire forming a first loop extending longitudinally and distally from said distal end of said first member; and

    a second superelastic metallic alloy wire having first and second ends extending through said first hollow passageway and fixedly positioned about said proximal end of said first member, said second wire forming a second loop extending longitudinally and distally from said distal end of said first member and interconnected distally to said first loop, whereby said said first and second loops interconnected distally form a bulbous shape for atraumatically capturing calculi with a heat-on approach.

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