Device with infusion holes for imaging inside a blood vessel

Details Device with infusion holes for imaging inside a blood vessel Device with infusion holes for imaging inside a blood vessel

A - Human Necessities

61

B

A61B 8/12 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2494714

An imaging device such as a catheter has a plurality of infusion holes adapted to infuse liquid into the blood stream while substantially preventing radial jetting. An example imaging catheter includes an elongated member, having distal and proximal ends, an axis, a lumen along the axis, and an outer surface. Preferably, a plurality of infusion holes are defined along the axis of said elongated member between the lumen and the outer surface. The plurality of infusion holes may be tapered from the outer surface to the lumen. Further, the plurality of infusion holes may be angled outwardly toward the proximal end of the elongated member. The size, shape, spacing and configuration of the infusion holes may be varied as desired.

L'invention porte sur un dispositif d'imagerie tel qu'un cathéter qui comporte une pluralité de trous adaptés pour introduire un liquide dans le flux sanguin et éviter sensiblement les projections radiales. Le cathéter d'imagerie de cette invention comprend un élément allongé pourvu d'extrémités distale et proximale, un axe, un lumen le long de l'axe et une surface externe. De préférence, une pluralité de trou d'infusion sont formés le long de l'axe de l'élément allongé entre le lumen et la surface externe. La pluralité de trous d'infusion peuvent être évasés de la surface externe au lumen. De plus, la pluralité de trous d'infusion peuvent former un angle vers l'extérieur et orienté vers l'extrémité proximale de l'élément allongé. La taille, la forme, l'écartement et la configuration des trous d'infusion peuvent varier.

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