Signoroni-type tourniquet, London, England, 1866-1880
The Signoroni-type tourniquet, designed by a Milanese surgeon, is horse-shoe shaped with adjustable pads. It is used in the treatment of heavy bleeding to stop the flow of blood. The pressure is concentrated on the artery and not the surrounding blood vessels as would be the case with earlier designs. Arnold & Sons were a major surgical instrument maker located in West Smithfield, London, where they were ideally placed to supply several nearby hospitals.
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Designed to compress the blood vessels of a limb. It consists of a bandage, pad and screw. By varying the tightness of the tourniquet, it is possible to control the circulation of blood for a short time.