Patent ID: 7708689

Claim:
An endoscope sheath comprising: a body portion; a tip portion having a distal end, a distal opening at the distal end, an intermediate sub-portion, and a proximal end, and affixed to or integral with the body portion at the proximal end, the tip portion comprising inner and outer cylinders aligned eccentrically by a separator and forming one or more angular gaps in between the inner and outer cylinders; a plurality of optical fibers extending lengthwise through the one or more angular gaps from the distal end of the tip portion to one or more illumination ports in the intermediate sub-portion; and one or more fluid ingress ports in the intermediate sub-portion located distally in relation to the one or more illumination ports; and one or more fluid egress ports in the intermediate sub-portion of the tip portion, wherein the one or more fluid egress ports are located at a line of tangency between the inner and outer cylinders.