A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/127
A61M 25/00 (2006.01) A61M 29/02 (2006.01)
Patent
CA 2035851
A perfusion-type dilatation catheter which can be rapidly exchanged for another catheter without the need for exchange wires or guidewire extension wires. The dilatation catheter has an elongated catheter body with a distal guidewire port in the distal end of the catheter and a proximal guidewire port at least 10 cm but not more than 50 cm from the distal port. The catheter body has a first inflation lumen which extends from the proximal end of the catheter body to the interior of a dilatation balloon adjacent the distal end of the catheter body. A second, much shorter inner lumen is disposed between the proximal and distal guidewire ports and is adapted to slidably receive a guidewire. A plurality of perfusion ports are provided both proximal and distal to the balloon which are in fluid communication with the second inner lumen so that when the balloon is inflated within a patient's vascular system, blood will flow through the proximal perfusion ports and the second inner lumen and out the distal perfusion ports to minimize ischemic conditions distal to the catheter. A stiffening member is disposed within the catheter body proximal to the proximal guidewire port to provide improved pushability.
Advanced Cardiovascular Systems Inc.
Smart & Biggar
LandOfFree
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