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Heart valve prosthesis

  • US 6,638,303 B1
  • Filed: 09/19/2000
  • Issued: 10/28/2003
  • Est. Priority Date: 03/13/1998
  • Status: Expired due to Fees
First Claim
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1. A heart valve prosthesis for implantation within the heart of a patient, said valve comprising:

  • an annular body having a fluid passageway, an upstream side and a downstream side;

    at least one leaflet pivotally mounted in the fluid passageway of the body, said leaflet being movable between a closed position wherein said fluid passageway is substantially closed and an open position wherein said fluid passageway is not closed, said valve being characterized by a pressure transient at said upstream side immediately following movement to the closed position when implanted in a patient;

    a first magnet coupled to the leaflet; and

    a second magnet coupled to the body and configured to interact with the first biasing element to exert a force on the leaflet to move the leaflet to the closed position such that said pressure transient is less that 250 mmHg.

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