Surgery – Instruments – Orthopedic instrumentation
Patent
1990-04-13
1991-11-26
Apley, Richard J.
Surgery
Instruments
Orthopedic instrumentation
606 73, 128 69, 411398, A61F 501
Patent
active
050679554
ABSTRACT:
This vertebral implant (1) comprises an osseous anchoring element (2), a body (3) having a channel (4) designed to be passed through by a rod (5), and a first screw (9) for securing with the rod, screwed through a clamp (20) able to slide on the rod and to take up a position in the body; this implant comprises at least one second screw (12, 13) for blocking the rod (5), passing through the body (3) laterally to the first screw (9) and engaged in a tapped hole (12a, 13a) inclined relative to the axis (XX) of the said first screw, these two screws (9, 12 or 13) being situated essentially in a phane perpendicular to the axis (YY) of the channel (4) and of the rod (5). The size of this implant is smaller than that of the known clamp and lock implants, and it can be put into position more easily and more quickly by the surgeon.
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Metal & Ceramic Biomaterials, vol. I, pp. 96-96, Copyright 1984.
Mecanique, No. 289, Jan. 1974, pp. 35-39; P. Rousseau: "Aciers Inoxydables a Hautes Caracteristiques".
Apley Richard J.
Dvorak Linda C. M.
Societe de Fabrication de Material Orthopedique
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