Patent ID: 6482171
Filing Date: 2002-11-19
Classification: A61B,A61F,A61M

Abstract:
A method of forming a catheter for occluding a patient's ascending aorta and delivering cardioplegic fluid to the patient's heart, comprising the steps of:providing a single integrally formed structure having a first lumen and a second lumen, the first lumen having a cross-sectional size of 0.00754 to 0.01053 inch2; winding a helical reinforcing member around the single integrally formed structure, the helical reinforcing member having a thickness of between 0.006 and 0.012 and a height of between 0.002 and 0.004 inch; positioning an outer wall around the helical reinforcing member, the outer wall having an outer diameter of 0.131 to 0.140 inch; attaching an occluding member to the outer wall, the occluding member being movable from a collapsed condition to an expanded condition, the occluding member being configured to occlude a patient's ascending aorta when in the expanded condition.