500 cc Infu-Surg™ Disposable Pressure Infuser Bag Simple to use-pressurizes or deflates easily with just one hand Easy to read color coded gauge Safety valve prevents over inflation Single patient use prevents cross contaminationDesigned for single patient use, the Infu-Surg may help prevent and control cross-contamination and hospital acquired infections. The Infu-Surg is a cost-effective, trusted product that medical professionals have relied on for decades.