Patent ID: 6059748
Filing Date: 2000-05-09
Classification: A61M

Abstract:
An improved exchange catheter comprising:a flexible, elongate body configured to shield a guidewire from a guiding catheter having a proximal end, a distal end, a first port in the distal end at a distal extremity of the device, a second port spaced proximal to the distal end, a distal portion and a proximal portion, at least part of said distal portion having a radially enlarged section with a wall thickness and an outer diameter greater than said proximal portion and configured to facilitate slidable disposition within an inner lumen of a coronary guiding catheter;a guidewire lumen in fluid communication with the first and second ports and configured to slidably receive a guidewire therein, and extending in at least said distal portion so that at least a section of said guidewire lumen is defined by the radially enlarged section of the distal portion of the body.