Surgical instruments traditionally used to abrade or cut tissue, such as scalpels and electrosurgery devices can create dirty liquid waste. For this reason, Biological contamination is a serious concern for patients, most especially if the error is not detected until after a procedure is performed. This poses a danger to healthcare workers as well as patients.

Sterile Filtration is a process of using activated carbon filters to remove water from sterilized liquid reagents.

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