Surgery – Instruments – Orthopedic instrumentation
Patent
1995-06-07
1998-01-20
Buiz, Michael
Surgery
Instruments
Orthopedic instrumentation
606 86, 623 22, A61B 1700
Patent
active
057096880
ABSTRACT:
A method for making an acetabular reamer for an acetabular reamer comprising the steps of: fabricating a bowl shaped cup-blank having outer and inner bowl shaped surfaces, perforating a plurality of holes through the cup-blank, the holes each are surrounded by a curved margin, deforming outwardly of the outer surface a cutting portion of the margin of each of the holes, thereby forming cutting edges, the cutting portions are curved outwardly of the outer surface, the cutting edges are curved tangentially of the outer surface and disposed to cut upon rotation of the acetabular reamer. An acetabular reamer cup is also provided comprising a cutting bowl having a plurality of curved cutting edges, the cutting bowl has a plurality of openings preceding the cutting edges, the cutting bowl has a generally conical rise following the cutting edges, the cutting edges are spirally arranged about the axis of rotation of the cutting bowl, and a bottom adjoined to the cutting bowl, the bottom has a tool driver opening coaxial with the cutting bowl and the cutting edges.
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Buiz Michael
Leonardo Mark S.
Othy, Inc.
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