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Cooling systems designed to keep water at a cold temperature and pump it though hoses to cooling garments (e.g., vests, ponchos) worn by surgeons and other operating room personnel while they are working in the operating room. These units are usually made of an insulated plastic box or cylinder with a tight-fitting lid that holds ice and water. The water is then pumped via an electrical pump in the cooling system through long hoses. These hoses are connected to the outside of the cooling system on one end and to the cooling clothing on the other end. The operating room personnel remain tethered to the cooling system by the long hoses while they are wearing the cooling clothing. Some cooling systems are portable; they use pumps that are operated by batteries. Some operating room personnel cooling systems have more than one outer hose connection port to connect to different pieces of cooling garments so that the unit can cool more than one person at the same time.
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