Antitachycardiac stimulator

Details Antitachycardiac stimulator Antitachycardiac stimulator

2011-07-19

2011-07-19

Gedeon, Brian T (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S004000

Reexamination Certificate

active

07983752

ABSTRACT:
Implantable cardiac stimulator, with chamber stimulation unit connectable to left/right ventricular stimulation electrode to generate/deliver chamber stimulation pulses for stimulation of ventricle; ventricular sensing unit (VSU) to detect respective chamber contraction and deliver ventricular sensing signal when chamber contraction detected; optional atrial stimulation unit, connectable to atrial stimulation electrode to generate atrial stimulation pulses to stimulate atrium; atrial sensing unit, to detect atrial contraction, deliver atrial sensing signal indicating respective atrial event; tachycardia detection unit, connected to VSU to detect and categorize ventricular/supraventricular tachycardia; treatment control unit (TCU), triggers chamber stimulation unit to deliver antitachycardiac stimulation (ATP); analyzer unit, connected to atrial sensing unit and TCU. Analyzes atrial events from sensing unit before/during/after delivering antitachycardiac stimulation for atrial rhythm pattern during ventricular ATP by comparison atrial rhythm pattern immediately before ATP and to trigger TCU as function of ATP response signal representing comparison result for selection of the following antitachycardiac treatment.

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German Search Report for priority application, dated Mar. 12, 2009.

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