Venous Thromboses Clinical Trial
Official title:
A Crossover Study of the Hemodynamic Effect of the OsciPulse Device Compared to Reference Therapies
This study will evaluate the effects on venous blood flow of the investigational device, OsciPulse system, which is an external intermittent limb compression device. The study will enroll healthy human subjects who will have their deep venous blood flow measured by vascular ultrasound during immobility, use of the OsciPulse system, and use of two reference vascular compression devices. Our hypothesis is that the OsciPulse system will create distinct patterns of venous flow, specifically at the site of venous valves, in comparison to the reference compression devices.
Enrolled healthy subjects will undergo and initial vascular ultrasound imaging procedure to locate a deep venous valve in either the sapheno-femoral junction or femoral trifurcation sites. Once the imaging valve is identified the baseline level of venous flow will be collected in 30 s video clips of 2D color Doppler videos and spectral Doppler. Next, either the OsciPulse device, or one of the two reference therapy devices, will be applied by study personnel according to the device's specific instructions. The subject will wear the device during the capture of 1 spectral Doppler clip and three 30 s 2D color Doppler ultrasound clips on both the left and right leg. Next, the remaining two devices will be applied based on instructions, and vascular ultrasound clips captured for each. Completion of this visit protocol will be the end of the study. ;
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