Bone fastening device

Details Bone fastening device Bone fastening device

1992-09-17

1994-08-09

DeMille, Danton D.

Surgery

Instruments

Orthopedic instrumentation

606 60, 411398, A61F 504

Patent

active

053362250

ABSTRACT:
A surgical bone screw having a head which has asymmetrical radii relative to the central axis of the screw. The cross-section of the head is configured as a lobular shape having a constant radii along one hemisphere of the head, and smaller radii along the opposing hemisphere of the head, with the smallest radius existing approximately perpendicular to the midline of the head member. The asymmetry of the head minimizes surface area of the screw protruding above the bone surface.

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patent: 4827917 (1989-05-01), Brumfield

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