Patent ID: 8439943

Claim:
A tourniquet, comprising: a strap; a first element including an upper case, a lower case coupled with the upper case, a cavity formed between the upper case and the lower case and a brake unit pivotally mounted in the cavity between the upper case and the lower case by an axle, the upper and lower cases being coupled with each other to form a latch slot holding at least one latch element, the upper case including a release button at one side thereof located above the brake unit for triggering the brake unit and the upper case including a detaching button at another side thereof, the detaching button being located above the latch element for triggering the latch element, and an upper opening between the release button and the detaching button being threaded through by one end of the strap, the lower case including a lower opening corresponding to the upper opening and being threaded through by the strap; the brake unit having a detent edge extending from one side of the axle to butt the strap and an actuating member extended from another side of the axle to be driven by the release button, the axle including two ends respectively coupled by an elastic element to drive the brake unit movably about the axle between the upper case and the lower case and to drive the detent edge to butt the strap through the direction from the upper opening towards the lower opening against the lower case; and a second element which is fastened to the strap including a coupling element latchable with the latch element of the first element.