Esmarch bandage

Wound dressing and medical tool

Esmarch bandage in its modern form is a narrow soft rubber bandage that is used to expel venous blood from a limb (exsanguinate) that has had its arterial supply cut off by a tourniquet. The limb is often elevated as the elastic pressure is applied. The exsanguination is necessary to enable some types of delicate reconstructive surgery where bleeding would obscure the working area. A bloodless area is also required to introduce local anaesthetic agents for a regional nerve block. This method was first described by Augustus Bier in 1908.

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