Heparin Caps (First Aid) Caring for Life are sterilized devices used in medical settings to provide heparin treatment. These caps are typically used for flushing intravenous (IV) lines or catheters to prevent clot formation and maintain patency. Each pack contains 100 sterilized heparin caps, ensuring safe and effective use for patients requiring intravenous therapy. Heparin is an anticoagulant that helps prevent blood clots, making these caps essential for maintaining the functionality of IV access points.