RecruitingDevice studyMRgFUS Pallidotomy for the Treatment of Task Specific Focal Hand Dystonia (TSFD)The purpose of this study is to assess the safety and effectiveness of MRI-guided focused ultrasound (MRgFUS) for treating task specific focal hand dystonias (TSFD). TSFD is a type of dystonia that affects hand movements during specific tasks such as writing, playing instruments or typing, often causing involuntarily movements or cramping.