Orthopaedic screws

Details Orthopaedic screws Orthopaedic screws

Category

A - Human Necessities

Subcategory

61

Subsubcategory

L

IPC codes

A61L 27/56 (2006.01) A61B 17/86 (2006.01) A61L 27/40 (2006.01) A61L 27/50 (2006.01) A61L 27/54 (2006.01) A61M 31/00 (2006.01)

Type

Patent

Patent number

CA 2734254

Description

An orthopaedic screw having a plurality of regions, at least one of which may be porous. The orthopaedic screw includes a head, a tip and at least one thread. The porosity of the screw of the present invention can vary within the part or region, including changes in pore shape, size and density. These characteristics can vary along the length of the screw axis and/or radially (from the outer diameter to the axis). The orthopaedic screw may further include at least one solid region formed of any implantable polymer, reinforced polymer or metal.

La présente invention concerne une vis orthopédique dotée d'une pluralité de régions, au moins l'une desdites régions étant poreuse. Ladite vis orthopédique inclut une tête, une pointe et au moins un fil. La porosité de la vis de la présente invention peut présenter des variations dans ladite partie ou région, lesdites variations incluant des modifications de forme, de taille et de densité de pore. Ces caractéristiques peuvent varier sur la longueur de l'axe de vis et/ou radialement (depuis le diamètre externe jusqu'à l'axe).La vis orthopédique peut en outre inclure au moins une région solide formée de n'importe quel polymère implantable, polymère renforcé ou métal.

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