Essential tremor usually affects hands and arms on both sides of the body – one side more than the other. Israel’s Insightec (see here previously) has now received FDA approval to treat the second side of the brains of patients in the US a minimum of nine months after treatment of the first side.

https://insightec.com/insightec-receives-fda-approval-to-treat-essential-tremor-patients-second-side-expanding-total-available-market-in-united-states/