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Method for manufacturing a surgical device for extracting a foreign object

  • US 7,640,952 B2
  • Filed: 06/23/2005
  • Issued: 01/05/2010
  • Est. Priority Date: 06/28/2001
  • Status: Active Grant
First Claim
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1. A method for manufacturing a retrieval basket having a proximal end and a distal end and constituted by a plurality of wire filaments extending from the proximal end towards the distal end, comprising:

  • selecting at least one wire;

    weaving the basket from the wire, wherein said weaving includes forming portions from wire filaments that are bound together to define a plurality of strands, said plurality of strands ramify at corresponding branching points into loops having various shapes and sizes, at least a part of the loops are overlapped and/or interlaced at spaced points so as to define a net at least in the vicinity of, and spaced from the distal end; and

    forming a shape of the retrieval basket, thereby imparting structural rigidity and dilatation abilities to the basket when opened.

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