Implantable occluder devices for medical use

Details Implantable occluder devices for medical use Implantable occluder devices for medical use

A - Human Necessities

61

B

A61B 17/12 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2307764

A transcatheter occluding implant (50) is used to seal off a vessel lumen such as for arterial and venous embolisation, cutting off of supply to tumours, male and female sterilisation. There is illustrated a plug member of an open foam plastics material having good hysteresis properties in the form of a shaft (51) carrying annular supports (5). The implant (50) can be compressed into a very small size and then will expand to contact the internal bore of the vessel to form a force fit within the vessel lumen for secure anchoring of the implant. The open cell foam construction encourages tissue growth and thus further contributes to the stabilisation of the implant.

L'invention concerne un implant (50) d'occlusion du type transcathéter servant à obstruer la lumière d'un vaisseau, par exemple pour l'embolisation artérielle ou veineuse, le blocage de l'irrigation de tumeurs, la stérilisation masculine et féminine. L'invention concerne également un obturateur en matière plastique mousse à alvéoles ouvertes ayant de bonnes propriétés d'hystérèse qui a la forme d'une tige (51) munie de supports annulaires (52). L'implant (50) peut être comprimé et réduit jusqu'à atteindre une très petite taille puis s'agrandir de manière à entrer en contact avec la paroi interne du vaisseau et créer un ajustement serré à l'intérieur de la lumière du vaisseau afin d'assurer la fixation de l'implant. La construction en mousse à alvéoles ouvertes favorise la croissance tissulaire et contribue également à la stabilisation de l'implant.

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