The easiest, most intuitive tourniquet on the market...

...may well be the SmartPump system from Stryker. The cuff controls make changing time or pressure settings a snap, and an alert even sounds when a user inputs illogical instructions. Once in operation, the system detects pressure variances and automatically corrects to the target pressure. The system supports single cuff, Bier Block and bilateral procedures or simultaneous surgeries of both upper and lower extremity. There's also a 5-hour, internal battery backup.