Catheter assembly

Details Catheter assembly Catheter assembly

A - Human Necessities

61

M

A61M 25/00 (2006.01)

Patent

CA 2569792

Catheter having a proximal section and a distal section. The proximal section having at least a delivery lumen and a guidewire receiving lumen, the guidewire receiving lumen having a proximal guidewire exit port at a location proximal of the distal end of the proximal section. A reinforcing tubular member located in the proximal section delivery lumen extending from substantially the proximal end of the proximal section to a point distal to the proximal guidewire exit port, wherein the reinforcing tubular member transitions from relatively rigid to relatively more flexible from a proximal point to a distal point thereon and has an outer diameter equal to about the inner diameter of the delivery lumen for at least a portion of the reinforcing tubular member that extends distal to the proximal guidewire exit port. The distal section having at least a delivery lumen and a guidewire receiving lumen.

L'invention concerne un cathéter comportant une section proximale et une section distale. La section proximale comporte au moins une lumière de distribution et une lumière recevant un fil-guide, ladite lumière présentant un port de sortie de fil-guide proximal à proximité de l'extrémité distale de la section proximale. Un élément tubulaire de renfort, situé dans la section proximale de la lumière de distribution, s'étend de l'extrémité proximale de la section proximale vers un point distal du port de sortie de fil-guide proximal, ledit élément tubulaire de renfort étant relativement rigide sur un point proximal et devenant plus flexible à l'approche d'un point distal. Par ailleurs, l'élément tubulaire de renfort présente un diamètre extérieur environ égal au diamètre intérieur de la lumière de distribution sur au moins une partie de l'élément tubulaire de renfort s'étendant à distance du port de sortie de fil-guide proximal. La section distale comporte au moins une lumière de distribution et une lumière de réception de fil-guide.

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