Catheter tubing with extraluminal antimicrobial coating
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
May 16, 2017
filing date -
Apr 23, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Various methods can be employed to apply an antimicrobial coating to the outer surface of catheter tubing. The antimicrobial coating minimizes the risk of microbe colonization on the outer surface of the catheter tubing when the catheter tubing is positioned within the vasculature of a patient. A catheter can be manufactured using a pre-treatment process which applies the antimicrobial coating to the catheter tubing prior to applying a lubricant over top of the coating. The lubricant can function to retain the coating on the outer surface and also to limit the diffusion of the antimicrobial agent from the coating. A catheter can include an antimicrobial coating that does not block the visibility of flashback. Because the antimicrobial coating can be minimally transparent, the coating can be applied to the outer surface in a striped pattern or other pattern that leaves a portion of the outer surface uncoated or minimally coated. The flashback will then remain visible through the portions of the catheter tubing where no coating or minimal coating is present.
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