Improved linear elastic member

Details Improved linear elastic member Improved linear elastic member

C - Chemistry, Metallurgy

22

F

C22F 1/10 (2006.01) A61M 25/09 (2006.01) C22F 1/00 (2006.01)

Patent

CA 2258021

An elongate elastic metal alloy member for use in a medical device. The elongate member may be formed from a linear elastic metal alloy which may be twisted such that the torsional elasticity of the member is removed while the longitudinal flexibility of the member is maintained. The elongate member may further be placed under tension, fixed to prevent rotation, and heat treated such that the stress caused by tensioning and twisting the member is relieved without transforming the linear elastic metal alloy into a super-elastic metal alloy. The resulting elongate elastic metal alloy member may have increased straightness and may be easier to grind.

Elément allongé en alliage métallique élastique destiné à être utilisé dans un dispositif médical. Ledit élément peut être formé à partir d'un alliage métallique élastique linéaire qui peut être tordu de telle manière que l'élasticité en torsion de l'élément est supprimée tandis que sa flexibilité longitudinale est maintenue. En outre, ledit élément allongé peut être placé en tension, fixé pour empêcher la rotation et traité thermiquement de façon à ce que la contrainte provoquée par la tension et la torsion de l'élément soit réduite sans qu'il y ait transformation de l'alliage métallique élastique linéaire en un alliage métallique super-élastique. L'élément allongé en alliage métallique élastique qui en résulte peut avoir une rectitude accrue et peut être plus facile à rectifier.

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