An endoscope lens cleaning apparatus for removing surgical debris from an objective lens of an endoscope, comprising: an elongated sheath including an endoscope lumen having an endoscope path axis and an irrigation channel, each extending between an inlet end and an outlet end opposite the inlet end of the elongated sheath, wherein the outlet end defines a distal end of the endoscope lens cleaning apparatus, wherein at least one stand-off is formed within the elongated sheath along the outlet end, wherein the irrigation channel is configured parallel and adjoining to the endoscope lumen, wherein the irrigation channel is offset from the endoscope lumen along the endoscope path axis, wherein the endoscope lumen and the irrigation channel are fluidly open to one another when the endoscope lumen is in an empty state, and wherein the irrigation channel is fluidly sealed from the endoscope lumen between the at least one stand-off and the inlet end when the endoscope lumen is in an occupied state; and a connection assembly including a manifold housing forming a coupling port, an access port, and a fluid port, wherein an endoscope passageway extends between the coupling port and the access port and is configured to axially align with the endoscope lumen of the elongated sheath, and wherein a fluid passageway extends from the fluid port and is configured to align and fluidly connect with the irrigation channel, and wherein the endoscope passageway and the fluid passageway are fluidly open to one another in the empty state and fluidly sealed from one another in the occupied state, characterized in that the coupling port is removably coupled to and configured to mate with the inlet end of the elongated sheath. an elongated sheath including an endoscope lumen having an endoscope path axis and an irrigation channel, each extending between an inlet end and an outlet end opposite the inlet end of the elongated sheath, wherein the outlet end defines a distal end of the endoscope lens cleaning apparatus, wherein at least one stand-off is formed within the elongated sheath along the outlet end, wherein the irrigation channel is configured parallel and adjoining to the endoscope lumen, wherein the irrigation channel is offset from the endoscope lumen along the endoscope path axis, wherein the endoscope lumen and the irrigation channel are fluidly open to one another when the endoscope lumen is in an empty state, and wherein the irrigation channel is fluidly sealed from the endoscope lumen between the at least one stand-off and the inlet end when the endoscope lumen is in an occupied state; and a connection assembly including a manifold housing forming a coupling port, an access port, and a fluid port, wherein an endoscope passageway extends between the coupling port and the access port and is configured to axially align with the endoscope lumen of the elongated sheath, and wherein a fluid passageway extends from the fluid port and is configured to align and fluidly connect with the irrigation channel, and wherein the endoscope passageway and the fluid passageway are fluidly open to one another in the empty state and fluidly sealed from one another in the occupied state, characterized in that the coupling port is removably coupled to and configured to mate with the inlet end of the elongated sheath.