We reuse intravenous sets to create soft, flexible cannulas for ear washes. Cut a 6- or 7-in section from a used intravenous set, and push one end over a 12-ml syringe. Quickly burn the end with a lighter to soften the cut edges.

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A practical tip that doubles to recycle intravenous sets.

Idea Exchange: Easy-does-it ear wash cannulas

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