Helical graft

Details Helical graft Helical graft

Category

A - Human Necessities

Subcategory

61

Subsubcategory

F

IPC codes

A61F 2/06 (2006.01)

Type

Patent

Patent number

CA 2519406

Description

A graft comprising flow tubing having a tubing portion (1) defining a flow lumen, the flow lumen of said tubing portion being substantially free of ribs or grooves, wherein the centre line of the flow lumen follows a substantially helical path with a helix angle less than or equal to 65~, and wherein the amplitude (A) of the helix is less than or equal to one half of the internal diameter (Di) of the tubing portion.

La présente invention a trait à une prothèse vasculaire comportant un tube d'écoulement présentant une portion de tubulure (1) définissant une lumière d'écoulement, la lumière d'écoulement de ladite portion de tubulure étant sensiblement exempte de nervures ou de rainures, dans laquelle l'axe longitudinal de la lumière d'écoulement suit un trajet sensiblement hélicoïdal avec un angle d'hélice inférieur ou égal à 65·, et dans laquelle l'amplitude (A) de l'hélice est inférieure ou égale à la moitié du diamètre intérieur (Di) de la portion de tubulure.

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