A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/80 (2006.01)
Patent
CA 2544742
The invention relates to a plate which is used to stabilise distal radius fractures, comprising a longitudinal shaft (1) comprising an adjacent distal, anatomically preformed plate part (5). The envelope of the plate part has an essentially triangular shape, in addition to threaded bores (2,9) comprising threaded longitudinal axes; said threaded bores are embodied in a cone-like manner at least on the distal plate ends and are arranged in the shaft and in the distal plate part, said threaded longitudinal axes extending in a predominately non parallel manner in the distal plate part, and a right-angle bend (6) is formed between the shaft and the plate part. According to the invention, the triangular shape of the plate part or the respective envelope is irregular and the side of the triangle orientated away from the shaft comprises a plurality of conical threaded bores. The diameter of the bore of said conical threaded bores is less than the diameter of the screw holes in the shaft and the threaded longitudinal axes of the plurality of bores in the plate part on the shaft surface include an angle alpha which deviates by 90~.
L'invention concerne une plaque pour stabiliser des fractures distales de rayons, cette plaque comprenant une tige (1) allongée se prolongeant par une partie plaque (5) distale de forme anatomique, dont l'extrémité de l'enveloppe a une forme sensiblement triangulaire. Dans la tige et dans la partie plaque distale sont disposés des orifices taraudés (2,9) de type coniques au moins à l'extrémité distale de la plaque, les axes longitudinaux du taraudage n'étant sensiblement pas parallèle dans la partie plaque distale et un coude (6) étant formé entre la tige et la partie plaque. L'invention est caractérisée en ce que la forme triangulaire de la partie plaque ou l'extrémité de l'enveloppe a des côtés inégaux, la face du triangle opposée à la tige comportant une pluralité d'orifices taraudés coniques, dont le diamètre est inférieur à celui des trous de vis de la tige, les axes longitudinaux du taraudage de la pluralité des orifices dans la partie plaque formant avec la surface de la tige un angle alpha différent de 90·.
Dankwerth Ulrich
Ehrhardt Arnd
Finger Ulrich
Meyer Olaf
Koenigsee Implantate Und Instrumente Zur Osteosynthese Gmbh
Mccarthy Tetrault Llp
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