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US07604609B2 Bendable, reusable medical instruments with improved fatigue life 失效
可弯曲的,可重复使用的医疗器械具有改善的疲劳寿命

Bendable, reusable medical instruments with improved fatigue life
Abstract:
A needle device which is manufactured from shape memory or pseudo-elastic materials, such as Nickel Titanium alloys, is provided which may be formed and used repeatedly without adverse effects, such as permanent deformation or fatigue failure. The device in accordance with the present disclosure may be provided having an initial shape which a doctor may bend to a desired shape. The device may be easily returned to its initial shape after use by heating the device above a predetermined sterilization temperature. This cycle may be repeated during subsequent uses, substantially extending the life of the instrument, due to the reduced work hardening and enhanced fatigue properties of the Nickel Titanium device.
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