Patent ID: 6506180
Filing Date: 2003-01-14
Classification: A61M

Abstract:
A perfusion sleeve/placement catheter assembly designed to treat a diseased coronary artery, the assembly comprising:a perfusion sleeve apparatus comprising a first elongate shaft including a proximal end and a distal end, and having an inflation lumen extending along the longitudinal length of said shaft; said perfusion sleeve apparatus further comprising a composite balloon located near said distal end, said balloon comprised of an inner semi-rigid material and an outer expandable material, said inner material and said outer material having mating surfaces at their ends which are bonded together to form said composite balloon with selective expansion, said composite balloon defining an interior which is in communication with the distal end of said inflation lumen; said perfusion sleeve apparatus defining a blood flow channel; a placement catheter having a second elongate shaft, said shaft having a guidewire lumen integral therewith; said placement catheter including a second expandable balloon connected to a distal end of said second shaft, said expandable balloon of said placement catheter designed to engage an interior surface of said inner material of said composite balloon.