Contoured reamer teeth

Details Contoured reamer teeth Contoured reamer teeth

2011-03-08

2011-03-08

Barrett, Thomas C (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

C606S08600R

Reexamination Certificate

active

07901406

ABSTRACT:
An acetabular reamer (10′) for cutting a required cut shape. The reamer 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 the teeth each 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. Such a configuration reduces the number of teeth required to cut the shape.

REFERENCES:
patent: 4116200 (1978-09-01), Braun et al.
patent: 5302234 (1994-04-01), Grace et al.
patent: 5968049 (1999-10-01), Da Rold
patent: 6001105 (1999-12-01), Salyer
patent: D468598 (2003-01-01), Mistretta
patent: 7850691 (2010-12-01), Lechot

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