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Prosthesis Delivery and Deployment Device

  • US 20090024137A1
  • Filed: 07/15/2008
  • Published: 01/22/2009
  • Est. Priority Date: 07/16/2007
  • Status: Active Grant
First Claim
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1. A device for delivering and deploying a prosthesis comprising:

  • an elongate sheath having a sheath lumen;

    a delivery catheter slidably disposed within the sheath lumen; and

    a deployment assist mechanism coupled to the delivery catheter and the sheath and configured to apply a retraction force to the delivery catheter and the sheath;

    where the sheath is retractable over the delivery catheter over a retraction distance; and

    where the device has a retraction resistance and the retraction force is less than or equal to the retraction resistance over at least a portion of the retraction distance.

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