Compression drill guide

Details Compression drill guide Compression drill guide

A - Human Necessities

61

B

A61B 17/56 (2006.01) A61B 17/17 (2006.01) B23B 49/02 (2006.01) B25H 1/00 (2006.01) A61B 17/80 (2006.01)

Patent

CA 2043967

A drill guide for drilling screw holes in bone fragments that are to be stabilized by means of a device composed of a compression plate and round-headed screws, the drill guide having a hollow outer cylinder and hollow inner cylinder, positioned so that the hollow inner cylinder can be slid axially within the outer cylinder by means of a spring mechanism, the plate-side end of the outer cylinder and the plateside of the inner cylinder having the shape of the spherical underside of the head and the shank of the screws to be used, respectively.

Guide-foret servant à percer des trous de vis dans des fragments d'os à stabiliser au moyen d'un dispositif composé d'une plaque de compression et de vis à tête ronde. Le guide-foret comprend un cylindre externe creux et un cylindre interne creux, placés de telle sorte que le cylindre interne peut se déplacer de façon axiale à l'intérieur du cylindre externe au moyen d'un mécanisme à ressort. Les extrémités du cylindre externe et du cylindre interne situées du côté de la plaque reproduisent respectivement la forme de la face inférieure sphérique de la tête et du corps des vis utilisées.

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