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Programmable arbitrary waveform generator for internal defibrillation research.

D J Dosdall¹, D E Rothe, J D Sweeney

¹Harrington Department of Bioengineering, Arizona State University, Tempe, AZ, USA.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

|February 3, 2007

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A new programmable generator creates custom experimental defibrillation shocks. This system precisely controls electrical parameters for internal defibrillation, advancing research in waveform efficacy.

Area of Science:

Biomedical Engineering
Cardiovascular Research

Background:

Defibrillation is critical for treating cardiac arrhythmias.
Current defibrillation waveforms are not always optimized for individual patients.
Accurate experimental waveform generation is needed to test new approaches.

Purpose of the Study:

To describe a programmable arbitrary waveform generator for creating experimental defibrillation shocks.
To enable precise control over electrical parameters for internal defibrillation.
To facilitate testing of novel defibrillation waveforms.

Main Methods:

A microcontroller-driven system was designed to generate arbitrary waveforms.
The system supports 10 channels, delivering up to 1000 Volts and 30 Amps.
Waveform parameters are controllable down to 100-microsecond intervals, with flexible anode/cathode configuration.

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Main Results:

The generator can deliver precisely controlled experimental defibrillation shocks.
It allows for flexible electrode combination and polarity.
Waveform parameters are highly customizable for experimental needs.

Conclusions:

This programmable generator provides a versatile platform for defibrillation research.
It can be used to validate computational models of defibrillation.
The system supports the development of personalized defibrillation strategies.