Patent ID: 7534204

Claim:
A device for facilitating a procedure on a heart, the device comprising: an elongate sheath having a proximal end, a distal end, a device passage lumen extending therethrough, and at least one inflation lumen, wherein the elongate sheath comprises an inner tubular member having an inner surface defining the device passage lumen, and an outer tubular member disposed over the inner tubular member, wherein the inflation lumen comprises an annular space between the inner tubular member and the outer tubular member; an expandable member coupled with the elongate sheath at or near the distal end, wherein the expandable member defines an aperture, is in fluid communication with the inflation lumen, and extends beyond the distal end of the device passage lumen; a visualization device disposed within the inflation lumen; and an instrument extendable through the device passage lumen and at least partially through the aperture for performing a procedure.