Method of preventing blockage in catheters

Drug – bio-affecting and body treating compositions – Solid synthetic organic polymer as designated organic active... – Monomer contains oxygen

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424 941, A61K 31145

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active

050716492

ABSTRACT:
In accordance with the present invention, a method is provided for preventing blockage of a catheter. The method comprises admixing an effective concentration of a surface-active copolymer to the fluid being delivered through the catheter.
The surface-active copolymer can be an ethylene oxide-propylene oxide condensation product with the following general formula:

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