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Home Communications Rapid-response-system-for-the-detection-and-treatment-of-cardiac-events

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 Rapid response system for the detection and treatment of cardiac events

Details
Inventors: Fischell, Robert E.; Fischell, David R.; Fischell, Tim A.;
Assignee: Angel Medical Systems, Inc. (Tinton Falls, NJ)
Primary Examiner: Getzow; Scott M.
Assistant Examiner:
Attorney, Agent or Firm:

Disclosed is a system for detecting an acute myocardial infarction (i.e., a heart attack) at the earliest possible time and promptly warning the patient that he should immediately seek medical care. The present invention includes an implantable electronic system that can sense a change in the patient's electrogram that is indicative of a heart attack. If a heart attack is sensed, the device would then cause an implantable and/or externally located alarm to be actuated to warn the patient of his condition and a medical practitioner at a remote diagnostic center would receive the patient's electrogram for analysis. The patient or a caretaker would then be informed to self-inject medication through a subcutaneous, pass-through drug port that can be a separate device or integrated into the implanted device that is designed for the early detection of a heart attack. Since an implantable heart pacemaker or defibrillator already has within its structure many of the elements required for the device to recognize a heart attack, it would be expeditious to add a capability to these existing devices to detect a heart attack, have a pass-through drug port and provide an implantable and/or external alarm means to inform the patient to take appropriate action.

DETAILED DESCRIPTION One embodiment of the present invention is an implanted medical device that is an implanted cardiosaver, that can detect the occurrence of an acute myocardial infarction (AMI), i.
e.
, a heart attack, within less than five minutes after it occurs and then automatically alarm the patient that this event is occurring.
The patient's warning can come from an alarm means implanted in the patient's body and/or from an externally located alarm means that receives a wireless signal from the cardiosaver.
The cardiosaver system is designed to minimize damage to the patient's heart from an acute myocardial infarction (i.
e.
, a heart attack) by detecting the AMI at the earliest possible time and promptly warning the patient that he should immediately seek medical care.
To do this, in addition to the implanted cardiosaver, the cardiosaver system includes an external alarm system located external to the patient.
The external alarm system provides an external alarm capable of waking the patient if he is sleeping in addition to the internal alarm built into the implanted cardiosaver.
The external alarm system also has the capability to transmit the cardiac event alarm and recorded electrogram data collected by the implanted cardiosaver to a medical practitioner at a remotely located diagnostic center.
It is also envisioned that the external alarm system could also transmit patient information such as an identifying number, name, medical history and patient location in addition to the electrogram.
The external alarm system may be either a fixed location alarm system located at the patient's normal residence or a portable alarm system that can be carried by the patient.
The external alarm system is also capable of transmitting the patient's electrogram both prior to and in real time during the cardiac event to the medical practitioner.
A network operation support system at a network operation center is another important portion of the external equipment for the cardiosaver system.
The network operation support system receives cardiac event alarms from the external alarm system, identifies the patient, finds the next available medical practitioner at the cardiosaver diagnostic center and provides a display of the patient's medical record and electrogram data from the implanted cardiosaver for consideration by the medical practitioner



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