A fully portable, transcranial Doppler (TCD) diagnostic ultrasound system assesses blood vessels in the brain in order to facilitate rapid triaging and monitoring of patients with brain disorders.
The Lucid M1 TCD ultrasound system is a battery-operated, medical-grade tablet device designed to non-invasively measure and display cerebral blood flow velocity over the head and neck using a reusable, non-sterile 2-MHz hand-held probe. It can also be used to perform bilateral cephalic monitoring by monitoring blood flow velocity in the temporal window, using a headset equipped with a pair of monitoring transducers.
Clinical measurements include maximum velocity, mean velocity, minimum velocity, pulsatility index, cerebrovascular reactivity, and emboli count. The system can be moved easily throughout a medical facility in a range of settings that require the rapid assessment of blood flow in the brain to expedite treatment. Many significant cerebral disorders, such as severe traumatic brain injury (TBI), are caused by blood flow disruption.
A unique feature of the Lucid M1 system is a modified M-mode display, which is a presentation of standard M-mode display information in a signal “strength versus depth” format. Using the modified M-mode display, the operator can quickly acquire the spectrogram signal and therefore perform a faster exam. Using this feature, the M-mode signal strength can be visualized along the horizontal axis, allowing depth of the sample gate to be set.
The Lucid system is the first truly portable ultrasound system to assess brain blood flow,
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