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Tourniquets, Pneumatic, Automated

Definition : Pneumatic tourniquets designed to circumferentially constrict/compress circumferentially an extremity for a limited period of time by applying a precise amount of pressure using an automated gas-inflated cuff. The pressure is applied upon the limb surface and underlying tissues using the cuff; pressure is then transferred to the blood vessels causing a temporary occlusion. The pressure should be at least equal or higher than the minimum required to occlude the blood flow (i.e., limb occlusion pressure or [LOP]). These tourniquets typically include an inflatable cuff and a compressed gas source. Automated tourniquets include a control unit that supplies the compressed gas from a gas cartridge, central supply system, a small gas container (e.g., a cylinder), or from an integral electric pump. Automated tourniquets also include controls, regulators, monitors for the applied pressure, and alarms for abnormal conditions; computerized automated tourniquets can perform self-calibration checks and display elapsed inflation time. Automated pneumatic tourniquets are used mainly during surgical procedures on the extremities enabling surgeons to perform delicate procedures in bloodless operative fields.

Entry Terms : "Tourniquets, Pneumatic, Automatic Rotating" , "Rotating Tourniquets" , "Automatic Rotating Tourniquets" , "Automated Pneumatic Tourniquets"

UMDC code : 27890

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