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Occlusion, anchoring, tensioning and flow direction apparatus and methods for use

  • US 6,635,068 B1
  • Filed: 02/09/1999
  • Issued: 10/21/2003
  • Est. Priority Date: 02/10/1998
  • Status: Expired due to Term
First Claim
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1. An improved medical device for use in the body, comprising:

  • a support element insertable into the body, said support element comprising a shaft and an elongate member, said support element having a distal end;

    an expandable element supported on said distal end of said support element, said expandable element movable from a radially compressed state, for insertion of said expandable element into the body, to a radially expanded state using the shaft and the elongate member to axially compress and thereby radially expand said expandable element;

    said expandable element comprising structural members which define openings therebetween;

    said expandable element having a radial dimension in the radially expanded state which is at least four times larger than when in the radially compressed state; and

    said expandable element comprising an expandable polymer at least substantially filling said openings to create a substantially non-porous expandable element when in the radially expanded state.

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