Active perfusion dilatation catheter

Details Active perfusion dilatation catheter Active perfusion dilatation catheter

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61M 25/10 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2188407

The invention relates to an active perfusion dilation catheter (1). More particularly, the invention relates to an active perfusion dilation catheter (1) comprising a catheter shaft (2) having proximal and distal portions and one or more inflation lumens (5) extending therethrough; an inflatable dilatation balloon (3) positioned external to the distal portion of the catheter shaft (2) and in fluid communication with an inflation lumen (5); an occlusion balloon (4) positioned external to the distal portion of the catheter shaft (2) and proximal to the dilatation balloon (3) in fluid communication with an inflation lumen (5); and a perfusion lumen (6) at the distal portion of the catheter shaft (2), the perfusion lumen (6) having proximal (7) and distal (8) openings, the proximal opening (7) being located proximal to the occlusion balloon (4) and the distal opening (8) being located distal to the inflation balloon (3).

L'invention concerne un cathéter de perfusion active par dilatation (1). Elle concerne plus particulièrement un cathéter de perfusion active par dilatation (1) composé: d'une tige (2) pourvue de parties proximale et distale et d'une ou plusieurs lumières de gongflage (5) s'étendant à travers ladite tige; d'un ballonnet gonflable de dilatation (3) placé à l'extérieur de la partie distale de la tige (2) et en communication fluide avec une lumière de gonflage (5); d'un ballonnet d'occlusion (4) placé à l'extérieur de la partie distale de la tige (2) et en position proximale par rapport au ballonnet de dilatation (3) en communication fluide avec une lumière de gonflage (5); et d'une lumière de perfusion (6) située au niveau de l'extrémité distale de la tige (2) et possédant des ouvertures proximale (7) et distale (8), l'ouverture proximale (7) étant située en position proximale par rapport au ballonnet d'occlusion (4) et l'ouverture distale (8) étant située en position distale par rapport au ballonnet de gonflage (3).

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