Device for finding the center and reading the setting of an implantable medical device

摘要

A centering tool and a combined centering-indicator tool (50) for finding the magnetic center and indicating the setting of an implantable adjustable valve (20). The centering and combined centering-indicator tools include a magnetic capsule (80) movable within a cavity (70) to a target (81) located on the tool when the magnetic capsule is centered over magnet of an adjustable valve.