Selective treatment of linear elastic materials to produce...

Details Selective treatment of linear elastic materials to produce... Selective treatment of linear elastic materials to produce...

2003-08-25

2008-11-25

Wyszomierski, George (Department: 1793)

Metal treatment

Stock

Mechanical memory

C148S902000, C606S200000, C623S001180

Reexamination Certificate

active

07455737

ABSTRACT:
Methods of selectively treating linear elastic materials to produce localized areas of superelasticity and/or shape-memory are disclosed. In an illustrative method, a linear elastic workpiece may be formed into a particular shape by cold-forming or other low-temperature process, and incorporated into a medical device such as an embolic protection filter, vena cava filter, stent or guidewire. A heat source may be used to apply thermal energy to selective areas of the workpiece, imparting superelasticity to the material.

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