Tungsten alloy suture needles

B - Operations – Transporting – 21 – G

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B21G 1/00 (2006.01) A61B 17/06 (2006.01) B21G 1/08 (2006.01)

Patent

CA 2711559

A method for making a curved tungsten alloy suture needle comprising the step of heating tungsten alloy needle blanks or a tungsten alloy suture needle to a temperature below the recrystallization temperature of the alloy. The tungsten alloy suture needles described herein have a desirable combination of stiffness, strength, ductility, and surface color.

La présente invention concerne un procédé de fabrication d'une aiguille en alliage de tungstène incurvée pour suture comprenant l'étape consistant à chauffer des ébauches d'aiguilles en alliage de tungstène ou une aiguille en alliage de tungstène pour suture à une température inférieure à la température de recristallisation de l'alliage. Les aiguilles en alliage de tungstène pour suture définies dans la description présentent une combinaison souhaitable de rigidité, de résistance, de ductilité et de couleur de surface.

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