Surgery – Instruments – Orthopedic instrumentation
Patent
1997-07-10
1998-11-10
Tucker, Guy V.
Surgery
Instruments
Orthopedic instrumentation
606 96, A61B 1756
Patent
active
058336915
ABSTRACT:
A device for coaxially drilling holes in fractured bones for intramedullary fixation includes of a frame (20) supporting a first V-shaped support (34) for a first part of a fractured bone and a second V-shaped support (56) for a second part of the fractured bone. The V-shaped supports are spaced from each other. The apparatus has a drilling head (28) with a calibrated pin (82) at the rear side of the drilling head (28). The drilling head is alternatingly installed in the aforementioned V-shaped supports (34 and 56) for drilling coaxial and strictly aligned holes in both parts of the fractured bone. The calibrated pin (82) has the same diameter as the drill bit (78) of the drilling head and is intended for insertion into the bone hole which is drilled first in order to support and align the drilling head (28) with the second part of the bone during drilling of the second hole. In operation, the surgeon supports the drilling head (28) with one hand and performs the feed of the bone toward the drill with another hand.
REFERENCES:
patent: 2434431 (1948-01-01), Pincock
patent: 4235428 (1980-11-01), Davis
patent: 4722331 (1988-02-01), Fox
patent: 4860735 (1989-08-01), Davey et al.
patent: 5228459 (1993-07-01), Caspari et al.
patent: 5409493 (1995-04-01), Greenberg
patent: 5649930 (1997-07-01), Kertzner
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