Patent ID: 8333740

Claim:
A cannula system, comprising: a rigid cannula, including: a first end; a second end; an interior pathway extending from proximate the first end to the second end; an inlet at the first end, wherein the inlet includes at least a first hole and a second hole, and wherein a leading edge of the first and second holes defines a forward-most extent of the interior pathway of the cannula; an outlet at the second end; a handle, including: a first end; a second end; a receiving channel, wherein the receiving channel includes a first opening at the first end of the handle and a second opening at the second end of the channel, wherein the rigid cannula is received by the receiving channel and extends between the first and second ends of the handle, wherein the rigid cannula has an outer diameter, wherein at least a first section of the outer diameter of the rigid cannula has a non-circular cross section, and wherein at least a first section of the receiving channel of the handle has a non-circular cross section to receive the first section of the outer diameter of the cannula.