Patent ID: 8344899

Claim:
A medical device for use in a patient emergency, the device meeting a readiness condition about a suitability of the device for the use and intended to be stored at a storage location, comprising: a battery; a sound producer powered by the battery; and a processor powered by the battery and configured to: determine whether the readiness condition is no longer met after being met for at least a certain time period of at least 15 days while being stored at the storage location, and cause, in response to so determining, the sound producer to emit a status alert for attracting the attention of a person close to the storage location so as to cause the person to act for the readiness condition to become met again, the status alert including notification periods during which an audible sound is emitted alternating with off periods during which substantially no audible sound is emitted, the off periods lasting at least 10 minutes each, the durations of two successive off periods being unequal to each other.