the.com/tourniquet

a deliberate trade — sacrifice the limb's blood to save the body's life

means a tight band twisted or cinched around a limb to compress the arteries and stop severe bleeding.

from From French tourniquet, from tourner, 'to turn' — because you tighten it by twisting, often with a stick wound round and round. The same turning root spins through 'tour,' 'tournament,' and 'turn' itself, all tracing back to Latin tornare, 'to turn on a lathe.'

old debate
Long feared to cost limbs; modern combat proved otherwise
time limit
Safe for roughly two hours before tissue suffers
war revival
Iraq and Afghanistan saved thousands, rewrote medical doctrine
twist mechanism
A windlass cranks pressure beyond bare hands' power
pain warning
Properly tight ones hurt enormously — that means working
for instance

battle of the somme — british surgeon peter bowman used tourniquets to save soldiers' limbs during the 1916 offensive, establishing military protocol

esmarch bandage — invented by german surgeon johann von esmarch in 1873, the first rubber tourniquet used in surgical practice

combat application tourniquet — us military issued cat tourniquet since 2005, credited with reducing combat amputations in iraq and afghanistan

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