The cryostat has a hollow space arranged between an inner tank (112) and an outer tank. The inner tank has a bottom part (136), and a side wall (134) that is connected with the bottom part in a connection region (140). The inner tank has a circulating reinforcement element (142) in the region. The element has a fiber composite material with an anisotropic oriented fibrous material including a local orientation, which is oriented in circumferential direction of the cryostats. The fibrous material comprises a glass fiber material, carbon fiber material or mineral fiber material. Independent claims are also included for the following: (1) a bio-magnetic measuring system with a cryostat (2) a method for manufacturing a cryostat for use in a bio-magnetic measuring system.
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