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Variable speed stent delivery system

  • US 20070060999A1
  • Filed: 08/16/2006
  • Published: 03/15/2007
  • Est. Priority Date: 08/17/2005
  • Status: Active Grant
First Claim
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1. A delivery system for deploying a medical device at variable speeds, comprising:

  • a catheter assembly comprising an elongate shaft and an elongate sheath including a lumen in which the shaft is positioned, wherein the sheath is movable relative to the shaft from an initial position in which the medical device is sandwiched between the sheath and the shaft to a final position in which the medical device is exposed; and

    a control handle comprising a connector element attaching an end of the sheath to the control handle and a variable speed mechanism attached to the connector element, wherein the variable speed mechanism operates to move the connector element from a first position to a second position at a retraction speed that varies from an initial speed to a final speed that is higher than the initial speed, whereby the attached sheath is moved from the initial position to the final position.

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