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FLOW RESTORATION SYSTEMS AND METHODS FOR USE

  • US 20100137892A1
  • Filed: 09/22/2009
  • Published: 06/03/2010
  • Est. Priority Date: 09/22/2008
  • Status: Active Grant
First Claim
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1. A system for removing obstructive material from a body lumen, comprising:

  • an outer tubular member comprising a proximal end, a distal end sized for introduction into a body lumen, and a lumen extending between the proximal and distal ends;

    an obstruction device deployable from the tubular member to a location beyond obstructive material intended to be removed, the obstruction device comprising an expandable member on a distal end thereof; and

    a macerator device comprising an expandable cage carried on a distal end of a shaft and a constraint tube for maintaining the cage in a collapsed configuration to allow the macerator device to be introduced into the body lumen through the tubular member lumen, the cage being deployable from a distal end of the constraint tube and expandable to an expanded configuration within a body lumen, the cage comprising an open end communicating with an interior of the cage in the expanded configuration for capturing obstructive material within the interior of the cage.

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