Bone milling instrument

Details Bone milling instrument Bone milling instrument

1987-09-24

1988-10-18

Hafer, Robert A.

Surgery

Truss

Perineal

409178, A61F 504

Patent

active

047779420

ABSTRACT:
The milling instrument has a caliper which is inserted into a medullary cavity and a spindle which is linked to the caliper at an angle. The spindle carries a milling cutter as well as a guide shoe at the distal end which slides within a guideway at the distal end of the caliper. The instrument is able to cut a circular arc corresponding to the boundary line between the spongiosa and cortical tissue in the region of the calcar arc.

REFERENCES:
patent: 272648 (1984-02-01), Bolesky et al.
patent: 273806 (1984-05-01), Bolesky et al.
patent: 4306550 (1981-12-01), Forte
patent: 4466429 (1984-08-01), Loscher et al.
patent: 4474177 (1984-10-01), Whiteside
patent: 4541423 (1985-09-01), Barber
patent: 4587964 (1986-05-01), Walker et al.
patent: 4706659 (1987-11-01), Mathews et al.

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