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Single-bladder cuffs intended for a single-use (i.e., disposable) including an inflatable bladder and a standard (typically cylindrical or rectangular) shape that are designed to exert a pressure on the circumference of an extremity by means of a compressed gas delivered by a pneumatic tourniquet. These devices usually include one bladder within the cuff that is inflated through tubes (e.g., hoses) that run from the bladder connectors to the source of compressed air located in the control unit of the tourniquet. The cuff is fastened to the extremity using contact mechanisms (e.g., clips) and frequently secured with an external ribbon. Disposable single-bladder standard cuffs are usually supplied sterile in individual pouches for only one use and are not intended for sterilization processes at the healthcare facility; they are usually made of one integral unit with components (e.g., bladder) that cannot be replaced. The cuffs are used mainly during surgical procedures in the extremities using general anesthesia that need a completely sterile operating field. Disposable standard single-bladder cuffs are intended for use in specific extremity areas (e.g., arm, thigh, wrist, ankle) are available. Dedicated disposable non-standard cuffs with a smaller diameter distally than proximal when wrapped (i.e., contoured cuffs) are also available.
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