Ligature (medicine)
In surgery or medical procedure, a ligature consists of a piece of thread (suture) tied around an anatomical structure, usually a blood vessel or another hollow structure (e.g. urethra) to shut it off. With a blood vessel the surgeon will clamp the vessel perpendicular to the axis of the artery or vein with a hemostat, then secure it by ligating it; i.e. using a piece of suture around it before dividing the structure and releasing the hemostat. It is different from a tourniquet in that the tourniquet will not be secured by knots and it can therefore be released/tightened at will.
The principle of ligation is attributed to Hippocrates and Galen,[1][2] later reintroduced some 1,500 years later by Ambroise Paré,[3] and finally it found its modern use in 1870–80, made popular by Jules-Émile Péan.
See also
References
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