Vertebral body spacer device

Details Vertebral body spacer device Vertebral body spacer device

1992-09-29

1995-05-09

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

606 60, 606 61, A61F 244

Patent

active

054136024

ABSTRACT:
A spacer device for supporting vertebral bodies, comprising a first supporting member to engage a first vertebral body, a second supporting member to engage a second vertebral body and an adjustment means including a sleeve having an internal thread and a pair of bolts each having an outer thread cooperating with said sleeve to adjust the supporting members in a predetermined distance with respect to each other, whereby the adjustment means is provided with clamping faces at either end, which adjustment faces are aligned with the axis of the sleeve and the bolts or alternatively are disposed parallel to said axis, the supporting members are provided with clamping faces extending substantially normally with respect to the supporting faces and a screw connection is provided for each supporting member to press the clamping faces of the adjustment means and the supporting member together in a predetermined position with respect to each other. The first and second supporting members are preferably plate shaped and in the shape of vertebral discs and have prongs which engage natural vertebral discs.

REFERENCES:
patent: 4553273 (1985-11-01), Wu
patent: 4657550 (1987-04-01), Daher

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