Device for articulation and relative locking of two pieces

Details Device for articulation and relative locking of two pieces Device for articulation and relative locking of two pieces

1990-09-27

1992-12-01

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 59, 403 55, 403165, A61B 1760

Patent

active

051676613

ABSTRACT:
This articulation device makes it possible to position a first elongated piece 20, which is capable of being pivoted through 360.degree. according to the arrow A, and a second piece 30, which is capable of swivelling about the shaft 40 according to the arrow B. These pieces are made integral with a U-shaped support 10, in relation to which they can be locked by shoes 60 and 70 which are held in position by a single securing screw 50. The pieces 20 and 30 can be connected to elements which are to be positioned, such as pins or connection rods which form part of an orthopaedic external fixing appliance consisting of pins inserted into bone fragments and of an external frame with connection rods.

REFERENCES:
patent: 361683 (1887-04-01), Eckhart
patent: 2323624 (1943-07-01), Schall
patent: 2887329 (1959-05-01), Blakely
patent: 4475546 (1984-10-01), Patton
patent: 4561797 (1985-12-01), Aldridge
patent: 4669907 (1987-06-01), Patton
patent: 4723804 (1988-02-01), Gatens
patent: 4988349 (1991-01-01), Pennig

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