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Sealable endovascular implants and methods for their use

  • US 20090005760A1
  • Filed: 07/31/2007
  • Published: 01/01/2009
  • Est. Priority Date: 07/31/2006
  • Status: Active Grant
First Claim
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1. A sealable vascular endograft system for placement in a vascular defect, comprising:

  • an elongated main implant delivery catheter with an external end and an internal end for placement into a blood vessel with internal walls, said main implant delivery catheter further comprising;

    a main implant delivery catheter sheath which may be openable or removable at said internal end;

    a main implant delivery catheter lumen containing within a compressed or folded endovascular implant;

    said endovascular implant further comprising;

    a non-elastic tubular implant body with an elastic proximal end and an elastic distal end, said elastic proximal end terminating in a proximal sealable circumferential collar controlled by a proximal variable sealing device which is operated by a proximal control lead that traverses said main implant delivery catheter and exits at said external end for interface by an operator, such that said proximal sealable circumferential collar may be expanded or contracted by said operator to achieve a fluid-tight seal;

    between said proximal sealable circumferential collar and the internal walls of said blood vessel proximal to said vascular defect;

    said elastic distal end terminating in a distal sealable circumferential collar controlled by a distal variable sealing device which is operated by a distal control lead that exits said main implant delivery catheter at said external end for interface by said operator, such that said distal sealable circumferential collar may be expanded or contracted by said operator to achieve a fluid-tight seal between said distal sealable circumferential collar and the internal walls of said blood vessel distal to said vascular defect.

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