US Patent 7606618 Implantable medical device with notification system

An implantable medical device with a notification system. The device monitors itself and an implantee for one or more condition indicating notification and delivers the notification at a time the patient is determined to be wakeful and, optionally, at relative rest. The notification can be repeated periodically until acknowledged by the user or the system is evaluated and reprogrammed by the physician. A user input can be included to provide the device confirmation of receipt of the notification as well as to delay delivery of any indicated subsequent notifications. The notification is provided without requiring any additional or special dedicated hardware.