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AssigneesMarc AUGOYARD, Jacques PEYROT, Tristan MEUSNIER, Memometal Technologies
InventorsMarc Augoyard, Jacques Peyrot, Tristan Meusnier, Bernard Prandi
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An intramedullar osteosynthetic device includes a body with an elongated shape and a flat cross-section having, in succession, from one of its ends, a first fixation zone cooperating with one of the bone parts to be immobilised, a median zone suitable for withstanding the shear and bending stresses, and a second fixation zone in the other bone part to be immobilised. Each of the fixation zones is made from a material suitable for enabling their deformation by thermal action (tepid memory) or mechanical action (superelasticity), to permit an introduction into the bone parts without pulpar approach, followed by a fixation in the bone parts, while avoiding any rotational movement, withstanding the tensile stresses, and maintaining a compressive force. At least one of the fixation zones has two tabs or fins and which are separable under the effect of the deformation.
Intramedullar osteosynthetic device for fixation of two bone parts to one another at a fracture site, comprising a body with an elongated shape and a flat cross-section having, in succession, from one end, a first fixation zone cooperating with one of the bone parts, a median zone suitable for withstanding shear and bending stresses, and a second fixation zone in an other bone part, each of the first fixation zones and the second fixation zone being made from a material enabling deformation by thermal action or mechanical action, to permit an introduction into the bone parts without pulpar approach, followed by a fixation in the bone parts, while avoiding any rotational movement, withstanding tensile stresses, and maintaining a compressive force, at least the first fixation zones having two tabs or fins and separable under effect of the deformation.
Dependencies are inferred from the claim text.