| abstract |
The server 20 that monitors the use state of the oxygen concentrating device 10 that concentrates oxygen in the air and supplies it to the user includes operation information indicating the operating state of the communication unit 25 and the oxygen concentrating device 10, and The usage condition of the user using the oxygen concentrator 10 is measured by the measurement devices 11 and 12, and the communication unit 25 is used to receive the usage information, and at least one of the usage information and the operation information is a monitoring condition. If not satisfied, a processing unit 21 for generating message information and transmitting the message information and usage information and operation information using the communication unit 25 is provided. |