Process and composition for cleaning medical instruments with a composition containing a protease, monoquaternary ammonium biocide and an activity protector

摘要

A method for reducing the risk to health care workers when cleaning a medical instrument contaminated with an organic load including protein comprises treating the contaminated instrument with a liquid composition including a protease, a mono quaternary ammonium disinfectant and an activity protector. The activity protector is a kind and in a concentration so that the liquid provided hospital grade disinfection in the presence of the protease and organic load. Also describe is a liquid composition including a protease, a monoquaternary ammonium disinfectant and an activity protector a kind and in a concentration so that the liquid provided hospital grade disinfection in the presence of the protease and organic load. A method for cleaning surgical instruments includes immersing the instrument in the composition and then either sterilizing the instrument or rinsing the instrument with a sterile solvent.