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Hollow medical wires and methods of constructing same

  • US 6,375,628 B1
  • Filed: 02/16/2000
  • Issued: 04/23/2002
  • Est. Priority Date: 03/06/1997
  • Status: Expired due to Term
First Claim
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1. A hollow medical guidewire, comprising:

  • an elongate hollow body having distal and proximal sections, said body being at least partially constructed from a transformational, non-linear superelastic nickel titanium alloy material, wherein at least said distal section has recoverable strain and exhibits an unloading plateau stress of not less than about 170 MPa;

    wherein said distal section is provided with openings to allow fluids to escape.

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