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Anastomosis method

  • US 6,110,188 A
  • Filed: 03/09/1998
  • Issued: 08/29/2000
  • Est. Priority Date: 03/09/1998
  • Status: Expired due to Term
First Claim
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1. A method for sealingly joining a graft vessel to a target vessel at an anastomosis site, the target vessel having an opening formed therein, comprising the steps of:

  • positioning a fastener comprising a deformable material radially adjacent a free end portion of said graft vessel, said material being transformable between a non-fluent state and a fluent state, upon application of energy to the material;

    inserting at least said free end portion of said graft vessel in said target vessel through the opening in the target vessel;

    supplying energy to the deformable material at an intensity sufficient to transform the material into said fluent state;

    radially expanding at least said free end portion of said graft vessel and said fastener to expand the graft vessel into intimate contact with an inner wall of said target vessel; and

    discontinuing the energy supply so that the material returns to its non-fluent state to sealingly secure the graft vessel to the target vessel.

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