[Problem] To provide a maintenance system for a blood gas analysis device with which it is possible to, when a user using the blood gas analysis device notices an upcoming timing to replace consumables or a lack of reagents, place orders for consumables and reagents immediately there and then. [Solution] This maintenance system for a blood gas analysis device comprises a blood gas analysis device installed in a facility such as a hospital, and a server device configured so as to be able to communicate with the blood gas analysis device over a network via wireless or wired communication, wherein the blood gas analysis device comprises a consumables ordering unit that is equipped with a consumables ordering button for selecting consumables and transmitting consumables order information, said consumables ordering unit being configured such that when the consumables ordering button is pressed, an order e-mail including at least identification information for the corresponding blood gas analysis device and the consumables order information is generated automatically and transmitted to the server device via the network.
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