Deployment and dilation with an expandable roll sock delivery system
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United States of America Patent
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Sep 13, 2011
Grant Date -
Jun 23, 2011
app pub date -
Dec 22, 2009
filing date -
Dec 22, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
An expandable roll sock delivery catheter includes an inner tube, an outer tube having a distal outer tube end, and a medical device, such as a self-expanding stent, collapsibly disposed over the inner tube and concentrically oriented between the inner tube and the outer tube. A hollow tube of expandable balloon material extends from the distal outer tube end, the balloon material being substantially disposed in its entirety within a distal end portion of the outer tube. The balloon material is folded back into the outer tube and over the device as a single layer of balloon material connectively linked to the inner tube proximal to the self-expanding device so as to form an expandable roll sock balloon. The roll sock balloon defines an inflation lumen disposed between the outer tube and inner tube, whereby the inflation lumen is configured for expansion of the roll sock balloon following release of the device.
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