Bending method of medical suture needle and medical suture needle
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United States of America Patent
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Sep 22, 2015
Grant Date -
Mar 18, 2010
app pub date -
Aug 29, 2007
filing date -
Aug 29, 2006
priority date (Note) -
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Abstract
A bending method for a straight needle-shaped material which has a thickness decreased from a body portion to a needle point that is inserted between a roller having a processing surface and a belt and is wound around the roller via a separating member. Then the roller is rotated and the belt is wound, thereby pressing and curving the straight needle-shaped material onto the processing surface. In a suture needle, a portion of a tip side including the needle point is formed as a non-restricted portion which is not restricted by the processing surface of the roller, and a portion except for the non-restricted portion is formed as a curved portion which is bent along the processing surface of the roller.
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