The Zimmer ATS 3000 is an automatic tourniquet system used in surgery to control blood flow, featuring dual-cuff capabilities and microprocessor controls. Key features include its innovative Limb Occlusion Pressure (LOP) Technology which calculates and reports the necessary cuff pressure for each individual patient, self-check calibration, a four-hour battery backup, and independent pressure and time regulation. It offers features like customizable “Protocols” for pressure and deflation and includes audible and visual alarms for enhanced safety.