An apparatus including an elongate body having a lumen extending therethrough and a steering wire associated with the distal portion of the elongate body. Also described is a regimen for treating a medical problem associated with less than healthy stomach tissue that is responsive to treatment with a triglyceride mixture as defined above, in amounts and at intervals effective to therapeutically improve the health of the stomach tissue. Position orientation calculation means calculates a position and an orientation of a player object in a virtual game space. Movable carts, such as an anesthesiology cart, are adapted for docking with said pods on the upper surface of said pods with connectors presented underneath said carts.