Osteochondral allograft cartilage transplant workstation

Details Osteochondral allograft cartilage transplant workstation Osteochondral allograft cartilage transplant workstation

A - Human Necessities

61

B

A61B 17/15 (2006.01) A61B 17/285 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2622830

The invention is directed toward a portable surgical workstation and kit of accessory devises for cartilage implant formation comprising a base, a vise assembly mounted to the base, the vise assembly comprising a fixed jaw member and a moveable jaw member, each jaw member defining grasping surfaces for holding a bone workpiece. A shaft drive is threadably connected to the moveable jaw member and rotatably mounted in the fixed jaw member for transporting the moveable jaw toward and away from the fixed jaw. An articulated guide assembly is mounted to the fixed jaw member, the articulated guide means including a sleeve member and a plurality of moveable interconnected members selectively rotatable on a ball joint. A miter assembly defining a slot of a width to receive a surgical saw is mounted to at least one of the jaw members. The kit of accessory devices comprises a plurality of different diameter bushings which fit in the sleeve member and a plurality of different diameter cylindrical core cutter assemblies sized to fit in each respective sized bushing and a donor cutter guide adapted to fit in said sleeve.

L'invention porte sur une aire de travail chirurgicale portable et un jeu d'accessoires destinés à la création d'un implant de cartilage comprenant une base, une structure servant d'étau montée sur une base, cette structure d'étau comprenant un élément mâchoire fixe et un élément mâchoire mobile, chaque élément mâchoire comportant des surfaces de préhension permettant de tenir en place un morceau d'os. Un arbre d'entraînement est réuni par filetage à l'élément mâchoire mobile et monté par rotation dans l'élément mâchoire fixe pour rapprocher ou éloigner l'élément mâchoire mobile de l'élément mâchoire fixe. Une structure guide articulée est montée sur l'élément mâchoire fixe, l'élément de guidage articulé comprenant un manchon et plusieurs éléments mobiles intereliés, rotatifs de manière sélective sur un joint d'articulation à rotule. Un dispositif de coupe définissant une fente d'une largeur permettant de recevoir une scie chirurgicale est montée à au moins l'un des éléments mâchoires. Le jeu d'accessoires comprend plusieurs bagues de différents diamètres qui se placent dans le manchon et plusieurs dispositifs de prélèvement de carotte de différents diamètres adaptés à des bagues de la taille correspondante et un guide-lame adapté au manchon.

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