Surgical reamer

Details Surgical reamer Surgical reamer

1991-04-10

1993-03-02

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 79, 408209, A61F 504

Patent

active

051905485

ABSTRACT:
A surgical bone reamer includes a rotatable, elongated shank having a proximal end, a distal end and a longitudinal axis, and a reaming head mounted on the distal end. A plurality of equally spaced walls are radially disposed on the reaming head around the longitudinal axis, and tip edges for penetrating bone are defined on the radial walls to be disposed angularly with the longitudinal axis. Reaming edges joined to the tip edges extend longitudinally from the tip edges in the proximal direction parallel to and an equal radial distance from the longitudinal axis for reaming a cylindrical tunnel when the reaming head is rotated in bone. Tapered flutes disposed angularly between the tip edges and the radial walls permit bone to be evacuated through the reaming head when forming a tunnel in bone.

REFERENCES:
patent: 749624 (1904-01-01), McCullough
patent: 930477 (1909-08-01), Hudson
patent: 1721378 (1929-07-01), Draeger
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patent: 2725768 (1955-12-01), Jacot
patent: 2847885 (1958-08-01), Wagner
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patent: 3554192 (1971-01-01), Isberner
patent: 3783860 (1974-01-01), Burstein et al.
patent: 4341206 (1982-07-01), Perrett et al.
patent: 4806050 (1989-02-01), Bryant
Acufex Endoscopic Drill Guide system, Acufex Microsurgical, 1989.

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