Shareholders in Intuitive Surgical Inc. have filed a lawsuit alleging the company misled them about defects with its flagship product, which has been linked to 70 deaths and copious injuries, Courthouse News Service’s Securities Law Review reports.

Intuitive’s da Vinci Surgical System was introduced to the market in 1999. The system costs between $1 million and $2.3 million, and is meant to give surgeons increased vision and control while they’re performing operations.