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Avoiding stress-induced martensitic transformation in nickel titanium alloys used in medical devices
Avoiding stress-induced martensitic transformation in nickel titanium alloys used in medical devices
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机译：避免医疗设备中使用的镍钛合金中应力引起的马氏体相变
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摘要
A process for assembling a medical device made from a nickel-titanium alloy for use in a mammalian body while avoiding the formation of stress-induced martensite and a medical device used in combination with a delivery system for deployment into the mammalian body are disclosed. By heating the nickel-titanium alloy of the medical device to a temperature above Md, and deforming and installing the device into a delivery system or holding capsule, it is possible to avoid the formation of stress-induced martensite in the stent, which stays in the austenitic phase throughout.
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机译：公开了一种组装用于哺乳动物体内的镍-钛合金制成的医疗器械的方法，同时避免了应力诱发的马氏体的形成，并且公开了一种与递送系统结合使用以部署到哺乳动物体内的医疗器械。通过将医疗设备的镍钛合金加热到M d 以上的温度，并将该设备变形并安装到输送系统或固定盒中，可以避免形成应力引起的应力。支架中的马氏体，始终保持在奥氏体相中。
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