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Apparatus for occluding vessels

  • US 5,656,036 A
  • Filed: 09/12/1994
  • Issued: 08/12/1997
  • Est. Priority Date: 09/01/1992
  • Status: Expired due to Term
First Claim
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1. A vessel occluder for providing permanent occlusion of a vessel in a person, the vessel having an inner wall surface and having a body fluid flowing therethrough, comprising:

  • at least one metallic radially expandable, generally tubular shaped stent having first and second open ends, the tubular shaped stent having a first diameter which permits intraluminal delivery of the at least one tubular shaped stent into the vessel to be occluded;

    a flexible closure member, attached to the first open end of the at least one stent, and having a generally tubular shaped cross-sectional configuration with inner and outer wall surfaces and first and second ends, the first closure member end being closed and the second closure member end being open and in fluid communication with the first open end of the at least one stent, the closure member having a first diameter, which is substantially the same as the at least one tubular shaped stent first diameter; and

    the at least one tubular shaped stent and at least a portion of the flexible closure member having a second expanded permanent diameter, upon the application from the interior of the tubular shaped stent of a radially outwardly extending force, which second diameter is variable and controlled by an amount of force applied to the tubular shaped stent, which force deforms at least a portion of the at least one tubular shaped stent to permanently retain the at least one stent and the portion of the closure member with the second expanded permanent diameter, whereby upon expansion of the at least one stent, the closure member is permanently disposed in a sealing relationship with the inner wall surface of the vessel and occludes the vessel to prevent the body fluid from flowing past the closure member.

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