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Percutaneous myocardial revascularization device and method

  • US 6,951,557 B2
  • Filed: 08/30/2002
  • Issued: 10/04/2005
  • Est. Priority Date: 11/04/1997
  • Status: Expired due to Fees
First Claim
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1. A device for guiding a percutaneous myocardial revascularization cutting wire distal region to a plurality of heart chamber wall sites comprising:

  • an elongate outer tube having a tubular wall and a distal region, said distal region wall having a plurality of channels therethrough;

    an elongate shape member on said outer tube and secured to said outer tube wall over at least said outer tube distal region, said shape member having a performed shape such that said outer tube distal region is biased to assume said shape member performed shape, and;

    means for stabilizing the position of said outer tube distal region within said heart chamber from within the heart, wherein the stabilizing means is magnetically responsive to an externally-generated magnetic field, such that said percutaneous myocardial revascularization cutting wire distal region can be advanced through said outer tube distal region wall channels to said heart chamber wall sites.

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