Patent ID: 6475228
Filing Date: 2002-11-05
Classification: A61B

Abstract:
A surgical tourniquet system, including an inflatable cuff that may be closed around a patient's limb so as to exert pressure on blood vessels within a portion of the limb, comprising;an inflatable cuff containing a first quantity of gas having a first internal pressure; an inflatable bladder containing a second quantity of gas having a second internal pressure; a first conduit between said inflatable cuff and said inflatable bladder; a first valve within said first conduit; and a controller connected to said first valve, wherein, when the pressure in said inflatable cuff is greater than that in said inflatable bladder, said controller decreases the pressure in said inflatable cuff by opening said first valve; and wherein, when the pressure in said inflatable cuff is less than that in said inflatable bladder, said controller increases the pressure in said inflatable cuff by opening said first valve.