Patent ID: 8858546

Claim:
An instrument comprising: (a) an end effector, wherein the end effector comprises (i) a hollow, cylindrical body comprising an inner surface and an outer surface, (ii) an interior cavity defined by the inner surface of the cylindrical body, and (iii) a plurality of cutting features formed by the outer surface of the cylindrical body, wherein the plurality of cutting features are in communication with the interior cavity; (b) a vacuum cannula, wherein the vacuum cannula comprises an outer surface and an interior cavity, wherein at least a portion of the vacuum cannula is positioned within the interior cavity of the end effector; and (c) a medical fluid supply source, wherein the medical fluid supply source is in fluid communication with the end effector such that the end effector is operable to distribute a medical fluid from the medical fluid supply source to a target site via a delivery channel defined by the inner surface of the cylindrical body of the end effector and the outer surface of the vacuum cannula, wherein the medical fluid is further distributed to the target site through at least a portion of the plurality of cutting features of the end effector.