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Cannula for heart chamber implantation and related systems and methods

  • US 8,545,379 B2
  • Filed: 06/24/2008
  • Issued: 10/01/2013
  • Est. Priority Date: 07/19/2007
  • Status: Active Grant
First Claim
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1. A cannula for implantation into a chamber of a heart comprising:

  • a flexible elongate body including a lumen extending along a longitudinal axis, a first end and a second end, said first and second ends defining openings into said lumen, said second end including a flat portion;

    a metallic flared tip portion on said elongate body and extending from said flat portion of said second end in a direction toward said first end, and flaring radially outward from said longitudinal axis and in said direction, said flared tip portion including a flaring wall defining a varying thickness along a length of said flaring wall; and

    a first ring member on said elongate body and extending around said longitudinal axis, said first ring member being spaced from said flared tip portion and being adapted for retaining said elongate body in a position relative to a wall of the chamber of the heart.

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