Have you had success with the Cala Trio device for essential tremor?  

I have had a couple of patients who find it useful to calm their hand tremor for about 60-90 minutes after using the device. They may use it before they are going to an event, or before they plan to do an activity that involves the use of their dominant hand. (NOTE: You can only use it for one limb....

I have had a few patients find benefit from the Cala device (now called Cala kIQ). Most did not find much tremor relief or found the need to time stimulation sessions with ADL needs too arduous. It may be that certain tremor phenotypes benefit more than others. It would be nice to analyze the quali...