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Fluid-filled delivery system for in situ deployment of cardiac valve prostheses

  • US 8,114,154 B2
  • Filed: 09/07/2007
  • Issued: 02/14/2012
  • Est. Priority Date: 09/07/2007
  • Status: Active Grant
First Claim
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1. A minimally-invasive method of implanting an expandable cardiac valve prosthesis, the method comprising:

  • positioning the cardiac valve prosthesis in a deployment instrument including a carrier portion adapted for holding a fluid, the carrier portion having a plurality of operable deployment elements,substantially removing atmospheric air from the carrier portion by injecting a fluid into the carrier portion,advancing the deployment instrument to the implantation site, anddeploying the valve prosthesis at the implantation site, while the carrier portion is substantially free of atmospheric air, by retracting at least one of the deployment elements.

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