Thermal forming of refractory alloy surgical needles
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United States of America Patent
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Sep 2, 2014
Grant Date -
Aug 2, 2012
app pub date -
Apr 4, 2012
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.
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