Thermal forming of refractory alloy surgical needles and fixture and apparatus
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United States of America Patent
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Nov 22, 2011
Grant Date -
Dec 4, 2008
app pub date -
Jun 1, 2007
filing date -
Jun 1, 2007
priority date (Note) -
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Abstract
A method of thermal forming of refractory alloy suture needles is disclosed. Needle blanks made from refractory alloys are used to form surgical needles, which are heated to a temperature above the ductile to brittle transition temperature but below the recrystallization temperature of the refractory alloy. The heated needle blanks are then mechanically formed into a surgical needle. A Fixture and an apparatus for forming refractory alloy surgical needles using this method are also disclosed.
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