Bidirectional reaming cutter
AssigneeSymmetry Medical, Inc.
InventorsBrad Knisely, Tamela Garber
Life of this patent
Estimating the term…
Abstract
A surgical rotary reamer including a shaft and a cutting head connected to the shaft. The cutting head has a plurality of cutting teeth. At least one cutting tooth has a forward portion, a rearward portion and a mid-portion therebetween. The forward portion has a first cutting edge that cuts in a first rotary direction. The rearward portion has a second cutting edge that cuts in the first rotary direction and/or a second rotary direction. The mid-portion interconnects the forward portion and the rearward portion and includes a recessed portion.
Claims20
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:
- a forward portion having a first cutting edge that cuts in a first rotary direction;
- a rearward portion having a second cutting edge that cuts in at least one of said first rotary direction and a second rotary direction;
- and
- a mid-portion interconnecting said forward portion and said rearward portion, said mid-portion including a recessed portion.
A surgical reamer having a plurality of cutting teeth, at least one of the cutting teeth comprising:
- a forward portion including a first cutting edge that cuts in a first rotary direction;
- a rearward portion including a second cutting edge that cuts in at least one of said first rotary direction and a second rotary direction;
- and
- a recessed portion interconnecting said forward portion and said rearward portion.
A method of cutting a cavity in a bone, comprising the steps of:
- contacting the bone with a cutting head, said cutting head having a plurality of cutting teeth, at least one said cutting tooth having:
- a forward portion having a first cutting edge that cuts in a first rotary direction;
- a rearward portion having a second cutting edge that cuts in at least one of said first rotary direction and a second rotary direction;
- and
- a mid-portion interconnecting said forward portion and said rearward portion including a recessed portion;
- and
- rotating said cutter in a first rotary direction.
Dependencies are inferred from the claim text.