Patent ID: 6139524
Filing Date: 2000-10-31
Classification: A61F,A61M

Abstract:
A perfusion catheter comprising:an elongated catheter shaft having proximal and distal ends;an inner member, at least a portion of the inner member extending beyond the distal end of the catheter shaft, the inner member having proximal and distal ends;a catheter tip mounted on the distal end of the inner member;a sheath having proximal and distal ends, at least a portion of the sheath extending distally to cover at least a portion of the inner member extending beyond the distal end of the catheter shaft, the distal end of the sheath abutting the catheter tip to form a chamber extending between the inner member and the sheath and between the catheter tip and distal end of the catheter shaft, the sheath including at least one proximal perfusion opening in the portion of the sheath that covers at least a portion of the inner tube;the catheter tip including at least one distal perfusion opening therethrough opening directly into the chamber,whereby fluid may flow through the at least one distal perfusion opening, through the chamber and through the at least one proximal perfusion opening.