Implantable Digital Device For Tissue Stimulation

1. An implantable digital comment form for atrial fibrillation treatment by electrical stimulation of a vagal nerve in a patient, the implantable digital stimulation remains comprising: a masses of electrodes at one or more intravascular locations in propinquity to a vagal nerve inside the patient; and an implantable stimulator comprising: (a) a nurse unit for controlling the electrical stimulation by programmable selection of at least some of the plurality of electrodes and by programmable selection of one of a plurality of stimulation waveforms, and (b) a stimulation signal generator connected to the control unit and producing stimulation signals that have segmented waveforms that are programmably selectable by the control unit; (c) an implantable sensing unit with internal reference to manage a heart rate of the patient during the stimulation treatment.

2. The implantable digital stimulation outline as recited in claim 1 wherein at least one of the plurality of electrodes is in cobblers last proximity to a identify being stimulated and at least another one of the plurality of electrode is remote from the site being simulated.

3. The implantable digital stimulation system as recited in claim 1 further comprising a low resistance power generator with an internal reference.

4. The implantable digital stimulation system as recited in claim 3 wherein a distal electrode is related to a container of the power generator.

5. The implantable digital stimulation system as recited in claim 3 wherein a distal electrode is mounted on a container of the power generator.

6. The implantable digital stimulation system as recited in claim 1 wherein at least one of the plurality of electrodes is located at a distal coronary sinus, proximal coronary sinus, jugular vein, capital vena cava and inferior vena cava.

7. The implantable digital stimulation system as recited in claim 6 wherein during the stimulation...

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