Drill head and bone drill

Details Drill head and bone drill Drill head and bone drill

1977-06-29

1980-04-15

Kinsey, Russell R.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

408 42, 433114, A61C 112

Patent

active

041976452

ABSTRACT:
A drilling apparatus for the preparation of bone cavities includes a plurality of drills which are simultaneously driven in opposite direction with the cutting surfaces of each drill overlapping the cutting surfaces of at least one other drill to provide intersecting bone cavities. The drills may be driven by gearing located within the drill head or by gearing located in an attachment suitable for connection to a conventional drill head having a single output drive. The drills may be disposed along a straight or curved line or may be disposed in a triangular relationship with the axis of rotation of one of the drills being transversely movable relative to the axis of rotation of another drill.

REFERENCES:
patent: 1183535 (1916-05-01), Chayes
patent: 1441416 (1923-01-01), Goldstein et al.
patent: 1485647 (1924-03-01), Trust et al.
patent: 1695773 (1928-12-01), Morgan
patent: 1824398 (1931-09-01), Fleischhacker
patent: 2005849 (1935-06-01), Skinner
patent: 2835035 (1958-05-01), Rauscher
patent: 2908976 (1959-10-01), Flatland
patent: 2923060 (1960-02-01), Staunt
patent: 3037282 (1962-06-01), Aktarian et al.
patent: 3280351 (1966-10-01), Wolter et al.

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