Implantable cardioverter defibrillator and system for testing same
First Claim
1. An in-vitro testing system to assist in the optimal programming of a cardiac pacemaker for use in conjunction with a heart, the system including:
- an input amplifier;
an input analog-to-digital subsystem connected to said input amplifier;
a storage apparatus for storing new incoming electrograms of a patient, said electrograms being defined by a series of digitized wave forms selected from the group consisting of normal and abnormal rhythms, said storage apparatus being connected to said analog-to-digital subsystem, said storage apparatus including system hardware for responding to system software, said storage apparatus further including system software for providing real-time capture and storage of said incoming electrograms;
a digital-to-analog subsystem connected to said storage apparatus;
an output-to-ICD attenuator connected to said digital-to-analog subsystem;
a programmable cardiac pacemaker connected to said output-to-ICD attenuator;
an analyzer for evaluating the response of said programmable cardiac pacemaker; and
leads for providing operative connection with the heart.
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Accused Products
Abstract
An in-vitro testing system to assist in optimal programming of an ICD is provided which avoids the inconvenience and health risk associated with repetitive inductions of an arrhythmia. The system includes a high speed computer having analog-to-digital and digital-to-analog subsystems. The system includes software which provides real-time capture and storage of a patient'"'"'s electrogram. Subsequently, the electrogram may be played and replayed into ICD software simulators at a variety of settings to determine candidate programming parameters. The system further includes an attenuator through which signals are fed on their way to an ICD. This arrangement provides a method by which validation of the simulation system may be achieved. The system also provides for the capture of output event markers simultaneously with the signal into a digital file for assessment of device performance.
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Citations
5 Claims
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1. An in-vitro testing system to assist in the optimal programming of a cardiac pacemaker for use in conjunction with a heart, the system including:
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an input amplifier;
an input analog-to-digital subsystem connected to said input amplifier;
a storage apparatus for storing new incoming electrograms of a patient, said electrograms being defined by a series of digitized wave forms selected from the group consisting of normal and abnormal rhythms, said storage apparatus being connected to said analog-to-digital subsystem, said storage apparatus including system hardware for responding to system software, said storage apparatus further including system software for providing real-time capture and storage of said incoming electrograms;
a digital-to-analog subsystem connected to said storage apparatus;
an output-to-ICD attenuator connected to said digital-to-analog subsystem;
a programmable cardiac pacemaker connected to said output-to-ICD attenuator;
an analyzer for evaluating the response of said programmable cardiac pacemaker; and
leads for providing operative connection with the heart. - View Dependent Claims (2, 3, 4, 5)
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Specification