Problems To provide an antibacterial agent, particularly a novel polypeptide compound having an antifungal action. The optimized plasma processing chamber includes at least an upper electrode, a powered lower electrode, a heating plate, a cooling plate, a plasma chamber lid, and clamp ring. The plurality of panels may be separated into individual panels by a plurality of stabilizers. Within the distributed plan, these processing elements are arranged into subjobs that are mapped to various sites within the system for execution. In one embodiment, a device for use in an intervertebral tissue removal procedure includes a cannula having a first end portion for insertion into tissue, a feed passage within the cannula, a return passage within the cannula, and a loosening member movable within the feed passage and the return passage and at least partially deployable away from the first end portion of the cannula.