| abstract |
The server 20 monitoring the usage status of the oxygen concentrating device 10 for concentrating oxygen in the air and supplying it to the user includes the communication unit 25, operation information indicating the operating state of the oxygen concentrating device 10, and; Receiving, using the communication unit 25, use information in which the usage state of the user using the oxygen concentrating device 10 is measured by the measuring devices 11, 12, and at least one of the usage information and the operation information is a monitoring condition A processing unit (21) that generates message information and transmits the message information, usage information, and operation information using the communication unit (25) when not satisfied. |