Tourniquet

Remove the tourniquet.

He applied a tourniquet before slitting his wrists.

This is a tourniquet.

Taylor says research has shown that compressing the femoral artery is more effective than applying pressure to a leg wound or using a makeshift tourniquet.

A blood-pressure band, or tourniquet, is placed about the arm, and the pressure increased until the forearm becomes cyanosed and the radial pulse is almost obliterated.

His forefathers had been, as a rule, professional men—physicians and lawyers; his grandfather died under the walls of Chapultepec Castle while twisting a tourniquet for a cursing dragoon; an uncle remained indefinitely at Malvern Hill;[…].

[…] Bull was in the bathroom taking his fix, clutching his old black necktie in his teeth for a tourniquet and jabbing with the needle into his woesome arm with the thousand holes;[…]

After he was done, Lillehei's assistants released the tourniquet around Gregory's venae cavae, allowing blood to return.