Patent ID: 8025662

Claim:
A surgical rotary reamer, comprising: a shaft having an end; a cutting head connected to said shaft end, said cutting head having a plurality of cutting teeth, at least one said cutting tooth having: only two extended cutting teeth, said two extended cutting teeth being a first extended cutting tooth and a second extended cutting tooth; only one recessed portion extending between said first and second extended cutting teeth, said recessed portion being elongate; a forward portion having a first cutting edge that cuts in a first rotary direction along a first axial direction and said first extended cutting tooth coupled therewith; a rearward portion having a second cutting edge that cuts in a second rotary direction along a second axial direction opposite said first axial direction and said second extended cutting tooth coupled therewith; and a mid-portion interconnecting said forward portion and said rearward portion, said mid-portion having only two transitional cutting tooth portions and only one said recessed portion, said recessed portion being between said transitional cutting tooth portions, said recessed portion including a first end and a second end opposing said first end, said first and second ends respectively connected to said transitional cutting tooth portions, said cutting head being coaxially connected to said shaft about an axis of the reamer, said recessed portion being substantially parallel with said axis running from said first end to said second end, said recessed portion having a length which is greater than said first extended cutting tooth and is greater than said second extended cutting tooth.