3M Curos IV Needleless Connector Disinfecting Caps 270/Box3M Curos IV Needleless Connector Disinfecting Caps are medical devices designed to disinfect needleless connectors on intravenous (IV) tubing. These caps are designed to reduce the risk of catheter related bloodstream infections (CRBSIs) by providing a barrier of protection against microorganisms that can enter the IV tubing through the connector. They are also designed to help improve compliance with best practices for disinfection of IV connectors