STYLET HAVING A ROUGHENED OUTER SURFACE
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United States of America Patent
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app pub date -
Aug 29, 2012
filing date -
Oct 30, 2006
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Abandoned
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Abstract
A stylet has a proximal end a distal end and an outer surface. The stylet is substantially cylindrical. The outer surface of the stylet is treated, or roughened, preferably by a glass peening or a bead blasting operation, such that its maximum profile peak height is greater than 30 μm, its roughness average is greater than 5 μm, and its root mean square roughness is greater than 8 μm. This results in reducing the removal force of the treated stylet from a silicone catheter.
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