Contoured reamer teeth and method of manufacture

Details Contoured reamer teeth and method of manufacture Contoured reamer teeth and method of manufacture

2011-04-12

2011-04-12

Barrett, Thomas C (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

C606S08600R

Reexamination Certificate

active

07922722

ABSTRACT:
An acetabular reamer (10′) for cutting a required cut shape is described. The reamer (10′) has a cutting shell (12′) having a series of doubly curved cutting teeth (16′) thereon of a quantity to substantially reduce a cutting pressure on each tooth as well as to reduce a size of a typical chip generated upon cutting. Substantially all of the teeth have a matched arc cutting edge (20′) of substantial length that has a cutting profile which substantially matches a profile of a shape to be cut. The apertures in which the cutting edges are formed have at least one straight edge (80) by which a punch, used in the process of forming the edge, may be oriented. Such a configuration reduces the number of teeth required to cut the shape.

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