Unilateral external fixation system for small bones
First Claim
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1. A versatile unilateral fixation system comprising:
- a rod element;
first and second blocks, each block defining at least one aperture through which a wire is securable, the wire being adapted to have one end thereof secured within a hand bone, with the wires securable to the two blocks being secured in different hand organs;
means for releasably attaching the two blocks to said rod so that the wires attached to the blocks are at a preselected orientation, with the distance between said blocks on said rod being controllable by rotating said rod;
a first rod accommodating cavity located within the first block;
wherein said rod defines a first end with means for facilitating said rod rotation with said first block proximal to said first end, and the second block defining a longitudinal blind ended cavity through which a distal end of said block extends, and said means for releasably attaching comprises means for fixedly attaching said block to said rod, for at least partially releasing said block so that said rod is free to rotate within said blind ended cavity without being removable therefrom.
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Abstract
A versatile unilateral fixation system for hand surgery includes a rod and at least first and second blocks with the distance between them being controllable by rotating the rod. Each block has at least one aperture through which a wire, which is adapted to be inserted into a hand bone segment, is securable by means of a setscrew. Additional blocks are includable to insert wires in different bone segments in different orientations.
82 Citations
17 Claims
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1. A versatile unilateral fixation system comprising:
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a rod element; first and second blocks, each block defining at least one aperture through which a wire is securable, the wire being adapted to have one end thereof secured within a hand bone, with the wires securable to the two blocks being secured in different hand organs; means for releasably attaching the two blocks to said rod so that the wires attached to the blocks are at a preselected orientation, with the distance between said blocks on said rod being controllable by rotating said rod; a first rod accommodating cavity located within the first block; wherein said rod defines a first end with means for facilitating said rod rotation with said first block proximal to said first end, and the second block defining a longitudinal blind ended cavity through which a distal end of said block extends, and said means for releasably attaching comprises means for fixedly attaching said block to said rod, for at least partially releasing said block so that said rod is free to rotate within said blind ended cavity without being removable therefrom. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification