Catheterization

Details Catheterization Catheterization

A - Human Necessities

61

M

128/80

A61M 5/00 (2006.01) A61M 25/00 (2006.01)

Patent

CA 1156891

CATHETERIZATION Abstract of the Disclosure At least part of an antimicrobial catheter for use in humans and lower animals comprises a permeable polymer. The polymer must be in contact with both the environment external to the catheter and with a liquid reservoir of antimicrobial agent flowing through the lumen of the catheter, said liquid reservoir comprising an aqueous solution containing at least a minimum lethal concentra- tion of a straight-chain carboxylic acid or carboxylic acid salt having from 4 to 9 carbon atoms. In use, the antimicrobial agent diffuses from the liquid reservoir through the polymer and provides a zone of microbial inhibition around the external surface of the catheter. The invention thus prevents nosocomial infections re- sulting from the use of catheters by inhibiting micro- organisms at and around the placement site of the catheter when the catheter is inserted into the body of a human or lower animal.

354577

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