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Interventional catheter for retrograde use having embolic protection capability and methods of use

  • US 8,728,113 B2
  • Filed: 08/13/2012
  • Issued: 05/20/2014
  • Est. Priority Date: 12/21/2005
  • Status: Active Grant
First Claim
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1. An interventional catheter for use in a vessel, comprising:

  • an inner member having an exterior surface and a reduced diameter region;

    a filter disposed on the inner member at the reduced diameter region, the filter comprising a plurality of longitudinally extending struts and an annular distal circumferential ring; and

    a sheath slidably disposed on the inner member, the sheath movable from an extended position, wherein a distal end of the sheath retains the filter in a collapsed configuration, to a retracted position, wherein the filter is in a deployed configuration and the distal end of the sheath is located proximal to the filter, andwherein the filter is configured so that the annular distal circumferential ring contacts the exterior surface of the inner member before the longitudinally extending struts.

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