A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/80 (2006.01) A61B 17/86 (2006.01)
Patent
CA 2596256
The present invention relates to an orthopedic plate and screw system and instruments for surgical fixation of a small bone or bones. The plate facilitates three dimensional contouring to provide for a variety of applications and to accommodate individual variation in bone shape. The plate has a modified x shape including a central trunk portion including one or more screw holes along a longitudinal axis and a set of divergent upper and an oppositely extending set of divergent lower arms, each arm including screw holes which are placed at a radially equal distance but which diverging asymmetrically from the longitudinal axis relative to its paired upper or lower mate. The screws of the system are self-starting, self-tapping screws including the option of partial or full cannulation.
L'invention concerne un système orthopédique plaque et vis et des instruments pour l'immobilisation chirurgicale de petit(s) os. Le système facilite l'établissement de contour 3D pour une gamme d'applications et l'adaptation aux variations individuelles de la forme des os. La plaque a une forme en x modifiée comprenant un tronc central à un ou plusieurs trous de vis le long d'un axe longitudinal et une série de bras supérieurs divergents et une série de bras inférieurs divergents d'extension opposée ; chaque bras comprend des trous de vis à distance radiale équivalente mais à divergence asymétrique par rapport à l'axe longitudinal relativement au bras supérieur ou inférieur correspondant de la paire. Les vis du système sont à auto-démarrage et auto-taraudage, avec option de canulation complète.
Ducharme Dustin
Kay David B.
Strnad Lee A.
Wynkoop G. Martin
Orthohelix Surgical Designs Inc.
Ridout & Maybee Llp
LandOfFree
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