Insert for connecting a bone screw to a bone plate

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/80 (2006.01) A61B 17/86 (2006.01)

Patent

CA 2212818

The insert (1) is designed for connecting a bone screw to a bone plate having at least one plate hole with a circumferential projection restricting the profile of the plate hole. The insert (1) comprises an upper section (2), a lower section (3), a central axis (4) and a central hole (10) through said upper and lower sections (2, 3), said upper section (2) having an upwardly facing surface (5) for engaging a bone screw head, and a downward facing locking surface (6) for contacting the surface of the plate hole, and said lower section (3) having retaining means (20) for interlocking with the projection of the bone plate hole.

Cet élément d'insertion (1) est conçu pour relier une vis ostéologique à une plaque ostéologique présentant au moins un trou pourvu d'une partie saillante périphérique limitant le contour du trou de la plaque. Cet élément (1) comprend une section (2) supérieure, une section (3) inférieure, un axe (4) central ainsi qu'un trou (10) central traversant les sections (2, 3) supérieure et inférieure, la section (2) supérieure présentant une surface (5) dirigée vers le haut, destinée à entrer en contact avec une tête de vis ostéologique, ainsi qu'une surface (6) de blocage dirigée vers le bas, destinée à entrer en contact avec la surface du trou de de la plaque, la section (3) inférieure étant pourvue de moyens (20) de retenue destinés à s'enclencher sur la partie saillante du trou de la plaque.

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