Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Patent
1998-04-06
2000-06-27
Jastrzab, Jeffrey R.
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
A61N 1368
Patent
active
060801875
ABSTRACT:
An interventional medical device has a capability to sense cardiac dysrhythmias and to selectively respond with one among a hierarchy of therapies appropriate to terminate the sensed dysrhythmia and return the heart of the patient in whom the device is adapted to be implanted to normal sinus rhythm. The device includes a therapy generator having a housing and electronics for conducting bidirectional communication with the patient. The bidirectional communication is carried out by detecting the occurrence of a predetermined dysrhytlnia, such as atrial fibrillation, to alert the patient of such occurrence, and by responding to instructions from the patient following such alert for addressing the detected predetermined dysrhythmia. The detection is performed by electrodes mounted directly on the header of the device housing to both detect occurrence of the atrial fibrillation and for alerting the patient thereof by stimulating body tissue such as pectoral muscle in the vicinity of the header electrodes. Response to patient-initiated instructions is implemented by triggering certain device functions such as storage of ECG events detected by the header electrodes, or deliver of a therapy appropriate to terminate the atrial defibrillation, or delay of delivery of the appropriate therapy, according to the nature of the patient-initiated instructions.
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Alt Eckhard
Stotts Lawrence J.
Intermedics Inc.
Jastrzab Jeffrey R.
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