tourniquet

     

A tourniquet is a constricting or compressing evice used to control venous and arterial circulation to an extremity for a period of time. Pressure is applied circumferentially upon the skin and underlying tissues of a limb; this pressure is transferred to the walls of vessels, causing them to become temporarily occluded.

Trivia about tourniquet

  • It's a device such as a bandage twisted around a limb to control the flow of blood
  • The name of this device used to stop bleeding may come from a French word for "turn"
  • Purposely wrapped between the injury & heart, this tight band should only be removed by a doctor
  • J.L. Petit made the first screw type of this device to control bleeding in 1718; in 1997 a woman used dental floss
  • Direct pressure & elevation can control bleeding; this device -- a last resort -- can cause gangrene & the loss of the limb
  • It's a tightly wound bandage, used to stop severe bleeding

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