Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical therapeutic systems
Reexamination Certificate
2006-04-04
2006-04-04
Getzow, Scott M. (Department: 3762)
Surgery: light, thermal, and electrical application
Light, thermal, and electrical application
Electrical therapeutic systems
Reexamination Certificate
active
07024241
ABSTRACT:
An implantable cardiac stimulation device is configured to generate multiphasic stimulation pulse waveforms. These multiphasic stimulation pulse waveforms are configured such that they can be substantially rejected within the intracardiac signal sensing circuitry. In certain implementations this allows for simultaneous stimulation therapy and sensing and analysis of intracardiac signals. In other implementations, the blanking interval associated with the intracardiac signal sensing circuitry may be reduced or eliminated. Furthermore, the fast recharge period may be reduced or eliminated, and/or the polarization at lead-tissue interface may be reduced or effectively eliminated by using multiphasic stimulation pulse waveforms. Such cardiac stimulation techniques are particularly useful in providing antitachycardia pacing (ATP) therapy, wherein pacing during a T wave can lead to fibrillation being triggered.
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Boileau Peter
Bornzin Gene A.
Getzow Scott M.
Pacesetter Inc.
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