Key result
Electronic-pneumatic ventricular assist driving systems synchronize pulsating pumps to the cardiac cycle, provide required time delays, and generate appropriate pneumatic waveforms.
Describes the development of a portable electronic-pneumatic driving system for left ventricular assist devices.
May facilitate portable LVAD support; leaves open clinical validation of safety and efficacy.
During the past few years, a number of left ventricular assist devices for diastolic augmentation have been developed which incorporate pneumatically driven pulsating pumps. The driving systems for these devices synchronize the pump to the cardiac cycle, provide any required time delay, and generate an appropriate pneumatic waveform.
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Welkowitz et al. (1969) studied this question. Electronic-pneumatic ventricular assist driving systems synchronize pulsating pumps to the cardiac cycle, provide required time delays, and generate appropriate pneumatic waveforms.
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