Biological duct liner and installation catheter

A - Human Necessities – 61 – M

Patent

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A61M 29/00 (2006.01) A61F 2/06 (2006.01)

Patent

CA 2030196

An apparatus for correcting narrowing of a fluid vessel of the body comprising a catheter, for insertion into the blood vessel at a location remote from a region of narrowing, and a fluid vessel liner. The liner is comprised of a radially resiliently compressible tube having an elongated split along one side thereof. The edges of the sides of the liner on each side of the split overlap each other. The liner is contained within the catheter adjacent a tip of the catheter in a compressed condition. The catheter is constructed for expulsion of the liner from the catheter forward of the catheter at the region of narrowing, thereby facilitating expansion of the tube to a natural expanded condition so as to support the blood vessel from the interior to the diameter of the tube in its naturally expanded diameter.

Appareil pour corriger le rétrécissement d'un vaisseau comprenant un cathéter pour l'introduction dans le vaisseaux sanguin à un point éloigné de la région du rétrécissement, et d'un revêtement intérieur formé d'un tube compressible dans le plan radial et dont les bords se chevauchent. Le revêtement, introduit dans le cathéter, est comprimé à l'extrémité de ce dernier. Le cathéter est construit de manière à expulser le revêtement vers la région du rétrécissement, ce qui facilite l'expansion du revêtement dans sa forme naturelle de manière à constituer un support à l'intérieur du vaisseau sanguin ayant le diamètre naturel du revêtement.

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