Bolt for orthopaedic surgical use

Details Bolt for orthopaedic surgical use Bolt for orthopaedic surgical use

1989-10-02

1991-06-25

Yu, Mickey

Surgery

Instruments

Orthopedic instrumentation

606 73, 411378, A61F 504, E01B 910

Patent

active

050263749

ABSTRACT:
The invention relates to a bolt for orthopaedic surgical use which can be combined with an external fixing device such as for example a monoaxial extender, having a substantially cylindrical upper portion 10 whose upper end 14 can be engaged by a suitable turning device. The bolt extends into a central portion 11 whose lateral surface has a cutting member 16 which extends parallel to the longitudinal axis of the bolt along the entire length of portion 11. Portion 11 then passes into a lower threaded portion 12 which ends in a point 13. Central portion 11 has a transverse cross-section substantially in the shape of a drop.

REFERENCES:
patent: 31749 (1899-10-01), North
patent: 411152 (1889-09-01), Kuhn
patent: 440331 (1890-11-01), Rogers
patent: 461621 (1891-10-01), Rogers
patent: 470804 (1892-03-01), Jones
patent: 1969796 (1934-08-01), Hoke
patent: 1988925 (1935-01-01), Thomson
patent: 3051169 (1962-08-01), Grath
patent: 3118444 (1964-01-01), Serrato, Jr.
patent: 4338054 (1982-07-01), Dahl
patent: 4653244 (1987-03-01), Farrell

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