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Reduced Sliding Friction of Lubricant-Impregnated Catheters.

Weiwei ShiAbby R WhittingtonDavid C GrantJonathan B Boreyko
Published in: ACS omega (2024)
During urethral catheterization, sliding friction can cause discomfort and even hemorrhaging. In this report, we use a lubricant-impregnated polydimethylsiloxane coating to reduce the sliding friction of a catheter. Using a pig urethra attached to a microforce testing system, we found that a lubricant-impregnated catheter reduces the sliding friction during insertion by more than a factor of two. This suggests that slippery, lubricant-impregnated surfaces have the potential to enhance patient comfort and safety during catheterization.
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